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  <infoTable>
    <nameOfIssuer>CONOCOPHILLIPS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>20825C104</cusip>
    <value>155</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29900</sshPrnamt>
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    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>RADIUS HEALTH INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>750469207</cusip>
    <value>63</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GLOBAL X FDS</nameOfIssuer>
    <titleOfClass>GLOBAL X SILVER</titleOfClass>
    <cusip>37954Y848</cusip>
    <value>100</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PARTY CITY HOLDCO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>702149105</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIRSTENERGY CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>337932107</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN ELEC PWR CO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>025537101</cusip>
    <value>41</value>
    <shrsOrPrnAmt>
      <sshPrnamt>80800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>80800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>GAP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>364760108</cusip>
    <value>309</value>
    <shrsOrPrnAmt>
      <sshPrnamt>145800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>145800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JUNIPER NETWORKS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>48203R104</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CABOT OIL &amp; GAS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>127097103</cusip>
    <value>592</value>
    <shrsOrPrnAmt>
      <sshPrnamt>34469</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>34469</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DEVON ENERGY CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>25179M103</cusip>
    <value>2742</value>
    <shrsOrPrnAmt>
      <sshPrnamt>241774</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>241774</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STARWOOD PPTY TR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>85571B105</cusip>
    <value>239</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15980</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15980</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KALA PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>483119103</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENBRIDGE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29250N105</cusip>
    <value>59</value>
    <shrsOrPrnAmt>
      <sshPrnamt>69400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>69400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALIBABA GROUP HLDG LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>01609W102</cusip>
    <value>54454</value>
    <shrsOrPrnAmt>
      <sshPrnamt>252452</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>252452</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>EXPANDED TECH</titleOfClass>
    <cusip>464287515</cusip>
    <value>216</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOLDEN STAR RES LTD CDA</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>38119T807</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GLAXOSMITHKLINE PLC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>37733W105</cusip>
    <value>35</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QUOTIENT LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G73268107</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DEXCOM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>252131107</cusip>
    <value>740</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>81200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLUEBIRD BIO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09609G100</cusip>
    <value>1017</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16657</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16657</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APPLE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>037833100</cusip>
    <value>143108</value>
    <shrsOrPrnAmt>
      <sshPrnamt>906800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>906800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SMITH MICRO SOFTWARE INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>832154207</cusip>
    <value>68</value>
    <shrsOrPrnAmt>
      <sshPrnamt>113600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>113600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN INTL GROUP INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>026874784</cusip>
    <value>69</value>
    <shrsOrPrnAmt>
      <sshPrnamt>56900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>56900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALLIANCEBERNSTEIN HLDG L P</nameOfIssuer>
    <titleOfClass>UNIT LTD PARTN</titleOfClass>
    <cusip>01881G106</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ACTIVISION BLIZZARD INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00507V109</cusip>
    <value>40</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORMEDIX INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>21900C308</cusip>
    <value>33</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KIRKLAND LAKE GOLD LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>49741E100</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAUBMAN CTRS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>876664103</cusip>
    <value>2313</value>
    <shrsOrPrnAmt>
      <sshPrnamt>61258</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>61258</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NVENT ELECTRIC PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G6700G107</cusip>
    <value>63</value>
    <shrsOrPrnAmt>
      <sshPrnamt>500300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>500300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LYONDELLBASELL INDUSTRIES N</nameOfIssuer>
    <titleOfClass>SHS - A -</titleOfClass>
    <cusip>N53745100</cusip>
    <value>790</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12026</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12026</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIGNET JEWELERS LIMITED</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G81276100</cusip>
    <value>298</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29026</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29026</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AGNC INVT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00123Q104</cusip>
    <value>53</value>
    <shrsOrPrnAmt>
      <sshPrnamt>67900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>67900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FARFETCH LTD</nameOfIssuer>
    <titleOfClass>ORD SH CL A</titleOfClass>
    <cusip>30744W107</cusip>
    <value>1465</value>
    <shrsOrPrnAmt>
      <sshPrnamt>84810</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>84810</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLOOMIN BRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>094235108</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ROSS STORES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>778296103</cusip>
    <value>2479</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29086</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29086</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OMEROS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>682143102</cusip>
    <value>19</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BENEFYTT TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>08182C106</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>100500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>100500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MYLAN NV</nameOfIssuer>
    <titleOfClass>SHS EURO</titleOfClass>
    <cusip>N59465109</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PIONEER NAT RES CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>723787107</cusip>
    <value>568</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FUELCELL ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>35952H601</cusip>
    <value>15</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIVE NATION ENTERTAINMENT IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>538034109</cusip>
    <value>725</value>
    <shrsOrPrnAmt>
      <sshPrnamt>78400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>78400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOX INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>10316T104</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>54600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>54600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SEAGATE TECHNOLOGY PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G7945M107</cusip>
    <value>372</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>81200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EVOLUS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30052C107</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JINKOSOLAR HLDG CO LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>47759T100</cusip>
    <value>28</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OCWEN FINL CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>675746309</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TARGET CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87612E106</cusip>
    <value>352</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SYNCHRONY FINANCIAL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87165B103</cusip>
    <value>60</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SABRE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>78573M104</cusip>
    <value>4773</value>
    <shrsOrPrnAmt>
      <sshPrnamt>592200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>592200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEGG INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>163092109</cusip>
    <value>300</value>
    <shrsOrPrnAmt>
      <sshPrnamt>58500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>58500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEW GOLD INC CDA</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>644535106</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALPS ETF TR</nameOfIssuer>
    <titleOfClass>ALERIAN ENERGY</titleOfClass>
    <cusip>00162Q676</cusip>
    <value>344</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24736</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24736</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INTRA CELLULAR THERAPIES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46116X101</cusip>
    <value>640</value>
    <shrsOrPrnAmt>
      <sshPrnamt>322100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>322100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARRIOTT INTL INC NEW</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>571903202</cusip>
    <value>2078</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24243</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24243</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENERAL ELECTRIC CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>369604103</cusip>
    <value>1443</value>
    <shrsOrPrnAmt>
      <sshPrnamt>523500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>523500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MSCI EMG MKT ETF</titleOfClass>
    <cusip>464287234</cusip>
    <value>385</value>
    <shrsOrPrnAmt>
      <sshPrnamt>318400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>318400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEWELL BRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>651229106</cusip>
    <value>56</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CREDIT SUISSE GROUP</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>225401108</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>40700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>40700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORDSTROM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>655664100</cusip>
    <value>4402</value>
    <shrsOrPrnAmt>
      <sshPrnamt>284204</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>284204</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OLIN CORP</nameOfIssuer>
    <titleOfClass>COM PAR $1</titleOfClass>
    <cusip>680665205</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLOVIS ONCOLOGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>189464100</cusip>
    <value>36</value>
    <shrsOrPrnAmt>
      <sshPrnamt>72800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>72800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COMCAST CORP NEW</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>20030N101</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>49600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>49600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BUILDERS FIRSTSOURCE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>12008R107</cusip>
    <value>73</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NAVISTAR INTL CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>63934E108</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LAM RESEARCH CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>512807108</cusip>
    <value>571</value>
    <shrsOrPrnAmt>
      <sshPrnamt>9900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>9900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOLLAR TREE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>256746108</cusip>
    <value>63</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GILEAD SCIENCES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>375558103</cusip>
    <value>246</value>
    <shrsOrPrnAmt>
      <sshPrnamt>125200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>125200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOVAVAX INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>670002401</cusip>
    <value>1503</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIGNET JEWELERS LIMITED</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G81276100</cusip>
    <value>71</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TILRAY INC</nameOfIssuer>
    <titleOfClass>COM CL 2</titleOfClass>
    <cusip>88688T100</cusip>
    <value>62</value>
    <shrsOrPrnAmt>
      <sshPrnamt>100900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>100900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>TIPS BD ETF</titleOfClass>
    <cusip>464287176</cusip>
    <value>106</value>
    <shrsOrPrnAmt>
      <sshPrnamt>627100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>627100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PEPSICO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>713448108</cusip>
    <value>95</value>
    <shrsOrPrnAmt>
      <sshPrnamt>796300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>796300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ARCELORMITTAL SA LUXEMBOURG</nameOfIssuer>
    <titleOfClass>NY REGISTRY SH</titleOfClass>
    <cusip>03938L203</cusip>
    <value>172</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TOLL BROTHERS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>889478103</cusip>
    <value>907</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27821</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27821</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CME GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>12572Q105</cusip>
    <value>31</value>
    <shrsOrPrnAmt>
      <sshPrnamt>37500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>37500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QURATE RETAIL INC</nameOfIssuer>
    <titleOfClass>COM SER A</titleOfClass>
    <cusip>74915M100</cusip>
    <value>578</value>
    <shrsOrPrnAmt>
      <sshPrnamt>60863</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>60863</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CISCO SYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>17275R102</cusip>
    <value>123</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>UBS AG JERSEY BRH</nameOfIssuer>
    <titleOfClass>ETRAC WELLS BDCI</titleOfClass>
    <cusip>902641588</cusip>
    <value>331</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23980</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23980</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MCDONALDS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>580135101</cusip>
    <value>556</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANGLOGOLD ASHANTI LIMITED</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>035128206</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DECIPHERA PHARMACEUTICALS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>24344T101</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>101200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>101200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LEAR CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>521865204</cusip>
    <value>4578</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41991</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41991</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIRIUS XM HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>82968B103</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CROWDSTRIKE HLDGS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>22788C105</cusip>
    <value>992</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APPLIED GENETIC TECHNOLOGIES</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03820J100</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NIKOLA CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>654110105</cusip>
    <value>30499</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1175800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1175800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EXPEDIA GROUP INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>30212P303</cusip>
    <value>11520</value>
    <shrsOrPrnAmt>
      <sshPrnamt>140151</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>140151</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOKIA CORP</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>654902204</cusip>
    <value>39</value>
    <shrsOrPrnAmt>
      <sshPrnamt>102700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>102700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SOUTHWEST AIRLS CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>844741108</cusip>
    <value>3567</value>
    <shrsOrPrnAmt>
      <sshPrnamt>378200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>378200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QEP RESOURCES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74733V100</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANGI HOMESERVICES INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>00183L102</cusip>
    <value>174</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TEUCRIUM COMMODITY TR</nameOfIssuer>
    <titleOfClass>CORN FD SHS</titleOfClass>
    <cusip>88166A102</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BILIBILI INC</nameOfIssuer>
    <titleOfClass>SPONS ADS REP Z</titleOfClass>
    <cusip>090040106</cusip>
    <value>169</value>
    <shrsOrPrnAmt>
      <sshPrnamt>139500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>139500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BIOSIG TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>09073N201</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CANADA GOOSE HLDGS INC</nameOfIssuer>
    <titleOfClass>SHS SUB VTG</titleOfClass>
    <cusip>135086106</cusip>
    <value>967</value>
    <shrsOrPrnAmt>
      <sshPrnamt>73400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>73400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LOWES COS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>548661107</cusip>
    <value>272</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>L BRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>501797104</cusip>
    <value>847</value>
    <shrsOrPrnAmt>
      <sshPrnamt>429800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>429800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PPL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>69351T106</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORTHERN OIL &amp; GAS INC NEV</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>665531109</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PARETEUM CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>69946T207</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REVLON INC</nameOfIssuer>
    <titleOfClass>CL A NEW</titleOfClass>
    <cusip>761525609</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AKEBIA THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00972D105</cusip>
    <value>101</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BARCLAYS PLC</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>06738E204</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MSCI NORWAY ETF</titleOfClass>
    <cusip>46429B499</cusip>
    <value>240</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12669</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12669</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ELASTIC N V</nameOfIssuer>
    <titleOfClass>ORD SHS</titleOfClass>
    <cusip>N14506104</cusip>
    <value>730</value>
    <shrsOrPrnAmt>
      <sshPrnamt>395300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>395300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SEABRIDGE GOLD INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>811916105</cusip>
    <value>284</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16193</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16193</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PELOTON INTERACTIVE INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>70614W100</cusip>
    <value>856</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2176300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2176300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADVANCED MICRO DEVICES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>007903107</cusip>
    <value>1210</value>
    <shrsOrPrnAmt>
      <sshPrnamt>144900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>144900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ABBVIE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00287Y109</cusip>
    <value>292</value>
    <shrsOrPrnAmt>
      <sshPrnamt>96280</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>96280</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SYSCO CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>871829107</cusip>
    <value>15</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HERON THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>427746102</cusip>
    <value>107</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>U.S. REAL ES ETF</titleOfClass>
    <cusip>464287739</cusip>
    <value>5039</value>
    <shrsOrPrnAmt>
      <sshPrnamt>700000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>700000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENTEGRIS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29362U104</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KRAFT HEINZ CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>500754106</cusip>
    <value>152</value>
    <shrsOrPrnAmt>
      <sshPrnamt>87800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>87800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>SEMICONDUCTOR ET</titleOfClass>
    <cusip>92189F676</cusip>
    <value>72</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NIKE INC</nameOfIssuer>
    <titleOfClass>CL B</titleOfClass>
    <cusip>654106103</cusip>
    <value>171</value>
    <shrsOrPrnAmt>
      <sshPrnamt>40700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>40700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FLIR SYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>302445101</cusip>
    <value>202</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HARMONY GOLD MINING CO LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>413216300</cusip>
    <value>30</value>
    <shrsOrPrnAmt>
      <sshPrnamt>46000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>46000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR II</nameOfIssuer>
    <titleOfClass>SHT VIX ST TRM</titleOfClass>
    <cusip>74347W130</cusip>
    <value>66</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DROPBOX INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>26210C104</cusip>
    <value>35</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORCEPT THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>218352102</cusip>
    <value>180</value>
    <shrsOrPrnAmt>
      <sshPrnamt>300400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>300400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COPART INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>217204106</cusip>
    <value>1069</value>
    <shrsOrPrnAmt>
      <sshPrnamt>104400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>104400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMC NETWORKS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>00164V103</cusip>
    <value>623</value>
    <shrsOrPrnAmt>
      <sshPrnamt>100100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>100100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DATADOG INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>23804L103</cusip>
    <value>5513</value>
    <shrsOrPrnAmt>
      <sshPrnamt>63404</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>63404</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CVS HEALTH CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>126650100</cusip>
    <value>1449</value>
    <shrsOrPrnAmt>
      <sshPrnamt>365600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>365600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI STH AFR ETF</titleOfClass>
    <cusip>464286780</cusip>
    <value>54</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR DOW JONES INDL AVERAGE</nameOfIssuer>
    <titleOfClass>UT SER 1</titleOfClass>
    <cusip>78467X109</cusip>
    <value>595</value>
    <shrsOrPrnAmt>
      <sshPrnamt>102900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>102900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KINDER MORGAN INC DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>49456B101</cusip>
    <value>33</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAILORED BRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87403A107</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>47400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>47400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PENNSYLVANIA REAL ESTATE INV</nameOfIssuer>
    <titleOfClass>SH BEN INT</titleOfClass>
    <cusip>709102107</cusip>
    <value>64</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GERON CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>374163103</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ATARA BIOTHERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>046513107</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NXP SEMICONDUCTORS N V</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>N6596X109</cusip>
    <value>164</value>
    <shrsOrPrnAmt>
      <sshPrnamt>60000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>60000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN EXPRESS CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>025816109</cusip>
    <value>176</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BALLARD PWR SYS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>058586108</cusip>
    <value>15</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BK OF AMERICA CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>060505104</cusip>
    <value>1729</value>
    <shrsOrPrnAmt>
      <sshPrnamt>72797</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>72797</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LADDER CAP CORP</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>505743104</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEW ORIENTAL ED &amp; TECHNOLOGY</nameOfIssuer>
    <titleOfClass>SPON ADR</titleOfClass>
    <cusip>647581107</cusip>
    <value>32960</value>
    <shrsOrPrnAmt>
      <sshPrnamt>253089</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>253089</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PFIZER INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>717081103</cusip>
    <value>196</value>
    <shrsOrPrnAmt>
      <sshPrnamt>46400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>46400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CELLCOM ISRAEL LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>M2196U109</cusip>
    <value>24</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ROKU INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>77543R102</cusip>
    <value>158</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLOUDERA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>18914U100</cusip>
    <value>67</value>
    <shrsOrPrnAmt>
      <sshPrnamt>47500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>47500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KROGER CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>501044101</cusip>
    <value>65</value>
    <shrsOrPrnAmt>
      <sshPrnamt>45900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>45900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FRONTLINE LTD</nameOfIssuer>
    <titleOfClass>SHS NEW</titleOfClass>
    <cusip>G3682E192</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>82800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>82800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TRIPADVISOR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>896945201</cusip>
    <value>2233</value>
    <shrsOrPrnAmt>
      <sshPrnamt>117487</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>117487</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CARGURUS INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>141788109</cusip>
    <value>260</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1122100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1122100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIRST SOLAR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>336433107</cusip>
    <value>174</value>
    <shrsOrPrnAmt>
      <sshPrnamt>61900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>61900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ROCKWELL MED INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>774374102</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALBEMARLE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>012653101</cusip>
    <value>82</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORTEVA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>22052L104</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>90700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>90700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMAZON COM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>023135106</cusip>
    <value>1613</value>
    <shrsOrPrnAmt>
      <sshPrnamt>89500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>89500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CEMEX SAB DE CV</nameOfIssuer>
    <titleOfClass>SPON ADR NEW</titleOfClass>
    <cusip>151290889</cusip>
    <value>41</value>
    <shrsOrPrnAmt>
      <sshPrnamt>184100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>184100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MURPHY OIL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>626717102</cusip>
    <value>344</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24940</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24940</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FLEXSHARES TR</nameOfIssuer>
    <titleOfClass>MORNSTAR UPSTR</titleOfClass>
    <cusip>33939L407</cusip>
    <value>308</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11139</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11139</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ATHENE HLDG LTD</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>G0684D107</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CENTURYLINK INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>156700106</cusip>
    <value>26</value>
    <shrsOrPrnAmt>
      <sshPrnamt>121400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>121400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ATLASSIAN CORP PLC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>G06242104</cusip>
    <value>4286</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23773</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23773</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ORACLE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68389X105</cusip>
    <value>797</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14420</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14420</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR SER TR</nameOfIssuer>
    <titleOfClass>BLOOMBERG BRCLYS</titleOfClass>
    <cusip>78468R622</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALCOA CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>013872106</cusip>
    <value>82</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI HONG KG ETF</titleOfClass>
    <cusip>464286871</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAMPING WORLD HLDGS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>13462K109</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHINA MOBILE LIMITED</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>16941M109</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVITATION HOMES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46187W107</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GAMESTOP CORP NEW</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>36467W109</cusip>
    <value>2473</value>
    <shrsOrPrnAmt>
      <sshPrnamt>855600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>855600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IDEANOMICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45166V106</cusip>
    <value>15</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SCORPIO TANKERS INC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>Y7542C130</cusip>
    <value>90</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMC ENTMT HLDGS INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>00165C104</cusip>
    <value>311</value>
    <shrsOrPrnAmt>
      <sshPrnamt>87300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>87300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NUTRIEN LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>67077M108</cusip>
    <value>140</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TRILOGY METALS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>89621C105</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOYD GAMING CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>103304101</cusip>
    <value>703</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33619</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33619</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CENTERPOINT ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>15189T107</cusip>
    <value>3046</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2660100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2660100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIBANYE STILLWATER LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>82575P107</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AXALTA COATING SYS LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G0750C108</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>235800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>235800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TD AMERITRADE HLDG CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87236Y108</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PALO ALTO NETWORKS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>697435105</cusip>
    <value>149</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MEI PHARMA INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>55279B202</cusip>
    <value>64</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NIO INC</nameOfIssuer>
    <titleOfClass>SPON ADS</titleOfClass>
    <cusip>62914V106</cusip>
    <value>2498</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1023800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1023800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TORONTO DOMINION BK ONT</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>891160509</cusip>
    <value>18</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EXELON CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30161N101</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>20 YR TR BD ETF</titleOfClass>
    <cusip>464287432</cusip>
    <value>5012</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30573</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30573</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PINTEREST INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>72352L106</cusip>
    <value>90</value>
    <shrsOrPrnAmt>
      <sshPrnamt>34000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>34000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OVERSEAS SHIPHOLDING GROUP I</nameOfIssuer>
    <titleOfClass>CL A NEW</titleOfClass>
    <cusip>69036R863</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MERCK &amp; CO. INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>58933Y105</cusip>
    <value>125</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APACHE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>037411105</cusip>
    <value>173</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DXC TECHNOLOGY CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>23355L106</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ORACLE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68389X105</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BEYOND MEAT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>08862E109</cusip>
    <value>841</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>ULTRAPRO SHT QQQ</titleOfClass>
    <cusip>74347G408</cusip>
    <value>136</value>
    <shrsOrPrnAmt>
      <sshPrnamt>139125</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>139125</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CRISPR THERAPEUTICS AG</nameOfIssuer>
    <titleOfClass>NAMEN AKT</titleOfClass>
    <cusip>H17182108</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>8X8 INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>282914100</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>SHORT S&amp;P 500 NE</titleOfClass>
    <cusip>74347B425</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BANCO BRADESCO S A</nameOfIssuer>
    <titleOfClass>SP ADR PFD NEW</titleOfClass>
    <cusip>059460303</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10750</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10750</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BAKER HUGHES COMPANY</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>05722G100</cusip>
    <value>325</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1263700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1263700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SCHLUMBERGER LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>806857108</cusip>
    <value>121</value>
    <shrsOrPrnAmt>
      <sshPrnamt>66100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>66100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>SEMICONDUCTOR ET</titleOfClass>
    <cusip>92189F676</cusip>
    <value>283</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NETFLIX INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>64110L106</cusip>
    <value>2440</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPECTRUM PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>84763A108</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLEVELAND CLIFFS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>185899101</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16020</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16020</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COMERICA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>200340107</cusip>
    <value>208</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEW YORK MTG TR INC</nameOfIssuer>
    <titleOfClass>COM PAR $.02</titleOfClass>
    <cusip>649604501</cusip>
    <value>33</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STRATASYS LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>M85548101</cusip>
    <value>39</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DISCOVER FINL SVCS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>254709108</cusip>
    <value>67</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANTARES PHARMA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>036642106</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MODERNA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>60770K107</cusip>
    <value>161</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>81900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BILIBILI INC</nameOfIssuer>
    <titleOfClass>SPONS ADS REP Z</titleOfClass>
    <cusip>090040106</cusip>
    <value>1338</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28893</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28893</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>MTG REIT INCOME</titleOfClass>
    <cusip>92189F452</cusip>
    <value>767</value>
    <shrsOrPrnAmt>
      <sshPrnamt>56990</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>56990</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BURLINGTON STORES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>122017106</cusip>
    <value>165</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GEO GROUP INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>36162J106</cusip>
    <value>64</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COCA COLA CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>191216100</cusip>
    <value>232</value>
    <shrsOrPrnAmt>
      <sshPrnamt>126200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>126200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COCA COLA CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>191216100</cusip>
    <value>46</value>
    <shrsOrPrnAmt>
      <sshPrnamt>143200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>143200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SABRE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>78573M104</cusip>
    <value>1095</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1552800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1552800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PATTERSON UTI ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>703481101</cusip>
    <value>2019</value>
    <shrsOrPrnAmt>
      <sshPrnamt>4485300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>4485300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOW INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>260557103</cusip>
    <value>1415</value>
    <shrsOrPrnAmt>
      <sshPrnamt>214200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>214200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>THE TRADE DESK INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>88339J105</cusip>
    <value>3985</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLACKSTONE GROUP INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>09260D107</cusip>
    <value>289</value>
    <shrsOrPrnAmt>
      <sshPrnamt>383100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>383100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR SER TR</nameOfIssuer>
    <titleOfClass>NUVEEN BRC MUNIC</titleOfClass>
    <cusip>78468R721</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>155000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>155000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY AEROSPC 3X</titleOfClass>
    <cusip>25460E661</cusip>
    <value>20</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DHT HOLDINGS INC</nameOfIssuer>
    <titleOfClass>SHS NEW</titleOfClass>
    <cusip>Y2065G121</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PLAINS ALL AMERN PIPELINE L</nameOfIssuer>
    <titleOfClass>UNIT LTD PARTN</titleOfClass>
    <cusip>726503105</cusip>
    <value>55</value>
    <shrsOrPrnAmt>
      <sshPrnamt>46900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>46900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ACCELERATE DIAGNOSTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00430H102</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OCCIDENTAL PETE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>674599105</cusip>
    <value>308</value>
    <shrsOrPrnAmt>
      <sshPrnamt>538887</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>538887</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INTERNATIONAL BUSINESS MACHS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>459200101</cusip>
    <value>287</value>
    <shrsOrPrnAmt>
      <sshPrnamt>70600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>70600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADOBE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00724F101</cusip>
    <value>898</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>40434L105</cusip>
    <value>174</value>
    <shrsOrPrnAmt>
      <sshPrnamt>445800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>445800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IROBOT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>462726100</cusip>
    <value>284</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QUIDEL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74838J101</cusip>
    <value>2307</value>
    <shrsOrPrnAmt>
      <sshPrnamt>34900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>34900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NIO INC</nameOfIssuer>
    <titleOfClass>SPON ADS</titleOfClass>
    <cusip>62914V106</cusip>
    <value>75</value>
    <shrsOrPrnAmt>
      <sshPrnamt>167100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>167100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BROOKFIELD ASSET MGMT INC</nameOfIssuer>
    <titleOfClass>CL A LTD VT SH</titleOfClass>
    <cusip>112585104</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOX INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>10316T104</cusip>
    <value>96</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BIOCRYST PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09058V103</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BRIDGEBIO PHARMA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>10806X102</cusip>
    <value>294</value>
    <shrsOrPrnAmt>
      <sshPrnamt>132100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>132100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TELADOC HEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87918A105</cusip>
    <value>1763</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEMOCENTRYX INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>16383L106</cusip>
    <value>4636</value>
    <shrsOrPrnAmt>
      <sshPrnamt>450300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>450300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TRANSOCEAN LTD</nameOfIssuer>
    <titleOfClass>REG SHS</titleOfClass>
    <cusip>H8817H100</cusip>
    <value>242</value>
    <shrsOrPrnAmt>
      <sshPrnamt>124400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>124400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI TURKEY ETF</titleOfClass>
    <cusip>464286715</cusip>
    <value>41</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ARAMARK</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03852U106</cusip>
    <value>63</value>
    <shrsOrPrnAmt>
      <sshPrnamt>82600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>82600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>L BRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>501797104</cusip>
    <value>23981</value>
    <shrsOrPrnAmt>
      <sshPrnamt>5358000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>5358000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLOUDERA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>18914U100</cusip>
    <value>833</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2549800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2549800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QIWI PLC</nameOfIssuer>
    <titleOfClass>SPON ADR REP B</titleOfClass>
    <cusip>74735M108</cusip>
    <value>39</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KINDER MORGAN INC DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>49456B101</cusip>
    <value>43</value>
    <shrsOrPrnAmt>
      <sshPrnamt>68500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>68500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AGENUS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>00847G705</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEVRON CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>166764100</cusip>
    <value>305</value>
    <shrsOrPrnAmt>
      <sshPrnamt>64000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>64000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PARSLEY ENERGY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>701877102</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27080</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27080</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>ULTRAPRO SHT QQQ</titleOfClass>
    <cusip>74347G408</cusip>
    <value>172</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31025</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31025</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JD.COM INC</nameOfIssuer>
    <titleOfClass>SPON ADR CL A</titleOfClass>
    <cusip>47215P106</cusip>
    <value>593</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>PFD AND INCM SEC</titleOfClass>
    <cusip>464288687</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>BARCLAYS 7 10 YR</titleOfClass>
    <cusip>464287440</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MICROCHIP TECHNOLOGY INC.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>595017104</cusip>
    <value>1941</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18428</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18428</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INTL PAPER CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>460146103</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TEEKAY CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>Y8564W103</cusip>
    <value>19</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COPART INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>217204106</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHIMERA INVT CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>16934Q208</cusip>
    <value>1972</value>
    <shrsOrPrnAmt>
      <sshPrnamt>205192</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>205192</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES GOLD TRUST</nameOfIssuer>
    <titleOfClass>ISHARES</titleOfClass>
    <cusip>464285105</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>45900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>45900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>ULTRAPRO SHORT S</titleOfClass>
    <cusip>74347B268</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>37000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>37000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BEAZER HOMES USA INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>07556Q881</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>JR GOLD MINERS E</titleOfClass>
    <cusip>92189F791</cusip>
    <value>280</value>
    <shrsOrPrnAmt>
      <sshPrnamt>133300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>133300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PNC FINL SVCS GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>693475105</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HEXO CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>428304109</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CITRIX SYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>177376100</cusip>
    <value>1951</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13192</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13192</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CENTERPOINT ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>15189T107</cusip>
    <value>19180</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1027338</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1027338</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MOLSON COORS BEVERAGE CO</nameOfIssuer>
    <titleOfClass>CL B</titleOfClass>
    <cusip>60871R209</cusip>
    <value>356</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10351</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10351</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TATA MTRS LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>876568502</cusip>
    <value>59</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMAZON COM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>023135106</cusip>
    <value>41224</value>
    <shrsOrPrnAmt>
      <sshPrnamt>84700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>84700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CEMEX SAB DE CV</nameOfIssuer>
    <titleOfClass>SPON ADR NEW</titleOfClass>
    <cusip>151290889</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR SER TR</nameOfIssuer>
    <titleOfClass>S&amp;P REGL BKG</titleOfClass>
    <cusip>78464A698</cusip>
    <value>1034</value>
    <shrsOrPrnAmt>
      <sshPrnamt>624500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>624500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MYOVANT SCIENCES LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G637AM102</cusip>
    <value>47</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NIKOLA CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>654110105</cusip>
    <value>649</value>
    <shrsOrPrnAmt>
      <sshPrnamt>499100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>499100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STARWOOD PPTY TR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>85571B105</cusip>
    <value>57</value>
    <shrsOrPrnAmt>
      <sshPrnamt>34600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>34600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CARNIVAL CORP</nameOfIssuer>
    <titleOfClass>UNIT 99/99/9999</titleOfClass>
    <cusip>143658300</cusip>
    <value>5249</value>
    <shrsOrPrnAmt>
      <sshPrnamt>260600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>260600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>C H ROBINSON WORLDWIDE INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>12541W209</cusip>
    <value>102</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MEDTRONIC PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G5960L103</cusip>
    <value>47</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GSX TECHEDU INC</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>36257Y109</cusip>
    <value>5536</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1335800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1335800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>ULTSHRT QQQ</titleOfClass>
    <cusip>74347B243</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALPHABET INC</nameOfIssuer>
    <titleOfClass>CAP STK CL C</titleOfClass>
    <cusip>02079K107</cusip>
    <value>2746</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FORTINET INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>34959E109</cusip>
    <value>74</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LYONDELLBASELL INDUSTRIES N</nameOfIssuer>
    <titleOfClass>SHS - A -</titleOfClass>
    <cusip>N53745100</cusip>
    <value>106</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KOHLS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>500255104</cusip>
    <value>764</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36772</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36772</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SUNRUN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>86771W105</cusip>
    <value>694</value>
    <shrsOrPrnAmt>
      <sshPrnamt>553900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>553900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>POTLATCHDELTIC CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>737630103</cusip>
    <value>1298</value>
    <shrsOrPrnAmt>
      <sshPrnamt>220000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>220000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TRIPADVISOR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>896945201</cusip>
    <value>567</value>
    <shrsOrPrnAmt>
      <sshPrnamt>202800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>202800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JUMIA TECHNOLOGIES AG</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>48138M105</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PAN AMERN SILVER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>697900108</cusip>
    <value>2102</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81874</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>81874</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEW ORIENTAL ED &amp; TECHNOLOGY</nameOfIssuer>
    <titleOfClass>SPON ADR</titleOfClass>
    <cusip>647581107</cusip>
    <value>331</value>
    <shrsOrPrnAmt>
      <sshPrnamt>120300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>120300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MOMO INC</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>60879B107</cusip>
    <value>88</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AUTOZONE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>053332102</cusip>
    <value>147</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPLUNK INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>848637104</cusip>
    <value>227</value>
    <shrsOrPrnAmt>
      <sshPrnamt>6000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>6000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPROTT ETF TR</nameOfIssuer>
    <titleOfClass>GOLD MINERS ETF</titleOfClass>
    <cusip>85210B102</cusip>
    <value>580</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18354</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18354</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JAZZ PHARMACEUTICALS PLC</nameOfIssuer>
    <titleOfClass>SHS USD</titleOfClass>
    <cusip>G50871105</cusip>
    <value>1615</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14634</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14634</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SOUTHWESTERN ENERGY CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>845467109</cusip>
    <value>18</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAIWAN SEMICONDUCTOR MFG LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>874039100</cusip>
    <value>47</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANIKA THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>035255108</cusip>
    <value>1149</value>
    <shrsOrPrnAmt>
      <sshPrnamt>197500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>197500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PINDUODUO INC</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>722304102</cusip>
    <value>718</value>
    <shrsOrPrnAmt>
      <sshPrnamt>370200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>370200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEMOCENTRYX INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>16383L106</cusip>
    <value>195</value>
    <shrsOrPrnAmt>
      <sshPrnamt>121700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>121700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SHOPIFY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>82509L107</cusip>
    <value>398</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORDSTROM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>655664100</cusip>
    <value>19</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PAGSEGURO DIGITAL LTD</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>G68707101</cusip>
    <value>1997</value>
    <shrsOrPrnAmt>
      <sshPrnamt>56505</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>56505</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>PSHS ULTRA QQQ</titleOfClass>
    <cusip>74347R206</cusip>
    <value>545</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GREENBRIER COS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>393657101</cusip>
    <value>26</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APHRIA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03765K104</cusip>
    <value>70</value>
    <shrsOrPrnAmt>
      <sshPrnamt>132300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>132300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COLONY CAP INC NEW</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>19626G108</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COMCAST CORP NEW</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>20030N101</cusip>
    <value>57</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CME GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>12572Q105</cusip>
    <value>99</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BK OF AMERICA CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>060505104</cusip>
    <value>248</value>
    <shrsOrPrnAmt>
      <sshPrnamt>668200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>668200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DUPONT DE NEMOURS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>26614N102</cusip>
    <value>825</value>
    <shrsOrPrnAmt>
      <sshPrnamt>122597</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>122597</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHENIERE ENERGY INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>16411R208</cusip>
    <value>991</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20503</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20503</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STORE CAP CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>862121100</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COMSTOCK RES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>205768302</cusip>
    <value>388</value>
    <shrsOrPrnAmt>
      <sshPrnamt>88570</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>88570</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>3M CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>88579Y101</cusip>
    <value>546</value>
    <shrsOrPrnAmt>
      <sshPrnamt>85400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>85400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FREEPORT-MCMORAN INC</nameOfIssuer>
    <titleOfClass>CL B</titleOfClass>
    <cusip>35671D857</cusip>
    <value>145</value>
    <shrsOrPrnAmt>
      <sshPrnamt>137500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>137500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EROS INTL PLC</nameOfIssuer>
    <titleOfClass>SHS NEW</titleOfClass>
    <cusip>G3788M114</cusip>
    <value>24</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REDFIN CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75737F108</cusip>
    <value>237</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MERCADOLIBRE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>58733R102</cusip>
    <value>1018</value>
    <shrsOrPrnAmt>
      <sshPrnamt>129400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>129400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOOKING HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09857L108</cusip>
    <value>449</value>
    <shrsOrPrnAmt>
      <sshPrnamt>110500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>110500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NAVISTAR INTL CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>63934E108</cusip>
    <value>692</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24535</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24535</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NVIDIA CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>67066G104</cusip>
    <value>621</value>
    <shrsOrPrnAmt>
      <sshPrnamt>79100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>79100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TC ENERGY CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87807B107</cusip>
    <value>73</value>
    <shrsOrPrnAmt>
      <sshPrnamt>65400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>65400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ELANCO ANIMAL HEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>28414H103</cusip>
    <value>18</value>
    <shrsOrPrnAmt>
      <sshPrnamt>101700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>101700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REVANCE THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>761330109</cusip>
    <value>2356</value>
    <shrsOrPrnAmt>
      <sshPrnamt>96480</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>96480</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CARGURUS INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>141788109</cusip>
    <value>1849</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1194000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1194000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FERRARI N V</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>N3167Y103</cusip>
    <value>70</value>
    <shrsOrPrnAmt>
      <sshPrnamt>176100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>176100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>AGRIBUSINESS ETF</titleOfClass>
    <cusip>92189F700</cusip>
    <value>2585</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42968</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42968</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PG&amp;E CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>69331C108</cusip>
    <value>517</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1562500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1562500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TELLURIAN INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87968A104</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>70000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>70000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AGILE THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00847L100</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MICROSOFT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>594918104</cusip>
    <value>7303</value>
    <shrsOrPrnAmt>
      <sshPrnamt>328400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>328400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KRAFT HEINZ CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>500754106</cusip>
    <value>1089</value>
    <shrsOrPrnAmt>
      <sshPrnamt>34160</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>34160</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ICICI BANK LIMITED</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>45104G104</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TEVA PHARMACEUTICAL INDS LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>881624209</cusip>
    <value>173</value>
    <shrsOrPrnAmt>
      <sshPrnamt>122800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>122800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SANTANDER CONSUMER USA HDG I</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>80283M101</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>225100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>225100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APHRIA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03765K104</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>T-MOBILE US INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>872590104</cusip>
    <value>1273</value>
    <shrsOrPrnAmt>
      <sshPrnamt>186460</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>186460</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STARWOOD PPTY TR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>85571B105</cusip>
    <value>40</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI MEXICO ETF</titleOfClass>
    <cusip>464286822</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROPETRO HLDG CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74347M108</cusip>
    <value>48</value>
    <shrsOrPrnAmt>
      <sshPrnamt>100000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>100000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BP PLC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>055622104</cusip>
    <value>50</value>
    <shrsOrPrnAmt>
      <sshPrnamt>115700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>115700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RAYTHEON TECHNOLOGIES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75513E101</cusip>
    <value>641</value>
    <shrsOrPrnAmt>
      <sshPrnamt>49882</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>49882</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>1 3 YR TREAS BD</titleOfClass>
    <cusip>464287457</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAPRI HOLDINGS LIMITED</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G1890L107</cusip>
    <value>5012</value>
    <shrsOrPrnAmt>
      <sshPrnamt>320681</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>320681</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLUE APRON HLDGS INC</nameOfIssuer>
    <titleOfClass>CL A NEW</titleOfClass>
    <cusip>09523Q200</cusip>
    <value>37</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENTERPRISE PRODS PARTNERS L</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>293792107</cusip>
    <value>506</value>
    <shrsOrPrnAmt>
      <sshPrnamt>476300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>476300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IRON MTN INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46284V101</cusip>
    <value>67</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO EXCH TRADED FD TR II</nameOfIssuer>
    <titleOfClass>CEF INM COMPSI</titleOfClass>
    <cusip>46138E404</cusip>
    <value>449</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22628</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22628</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENERGY TRANSFER LP</nameOfIssuer>
    <titleOfClass>COM UT LTD PTN</titleOfClass>
    <cusip>29273V100</cusip>
    <value>1152</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1164700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1164700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>3-D SYS CORP DEL</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>88554D205</cusip>
    <value>19</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORNING INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>219350105</cusip>
    <value>43</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TENCENT MUSIC ENTMT GROUP</nameOfIssuer>
    <titleOfClass>SPON ADS</titleOfClass>
    <cusip>88034P109</cusip>
    <value>28</value>
    <shrsOrPrnAmt>
      <sshPrnamt>258700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>258700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIGNET JEWELERS LIMITED</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G81276100</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AFLAC INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>001055102</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ROYAL CARIBBEAN CRUISES LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>V7780T103</cusip>
    <value>2334</value>
    <shrsOrPrnAmt>
      <sshPrnamt>46397</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>46397</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOLAR LNG LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G9456A100</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADVANCE AUTO PARTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00751Y106</cusip>
    <value>19521</value>
    <shrsOrPrnAmt>
      <sshPrnamt>137037</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>137037</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>JPMORGAN USD EMG</titleOfClass>
    <cusip>464288281</cusip>
    <value>36</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BITAUTO HLDGS LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>091727107</cusip>
    <value>40</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MONSTER BEVERAGE CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>61174X109</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR II</nameOfIssuer>
    <titleOfClass>ULTRASHRT EURO</titleOfClass>
    <cusip>74347W882</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CARVANA CO</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>146869102</cusip>
    <value>30327</value>
    <shrsOrPrnAmt>
      <sshPrnamt>574800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>574800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SABRE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>78573M104</cusip>
    <value>1128</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1579100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1579100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SUNPOWER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>867652406</cusip>
    <value>18</value>
    <shrsOrPrnAmt>
      <sshPrnamt>34500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>34500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENDO INTL PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G30401106</cusip>
    <value>474</value>
    <shrsOrPrnAmt>
      <sshPrnamt>138081</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>138081</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORWEGIAN CRUISE LINE HLDG L</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G66721104</cusip>
    <value>207</value>
    <shrsOrPrnAmt>
      <sshPrnamt>289700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>289700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN EAGLE OUTFITTERS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02553E106</cusip>
    <value>35</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO EXCH TRADED FD TR II</nameOfIssuer>
    <titleOfClass>KBW PREM YIELD</titleOfClass>
    <cusip>46138E594</cusip>
    <value>363</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18871</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18871</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALTRIA GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02209S103</cusip>
    <value>133</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>81300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HSBC HLDGS PLC</nameOfIssuer>
    <titleOfClass>SPON ADR NEW</titleOfClass>
    <cusip>404280406</cusip>
    <value>57</value>
    <shrsOrPrnAmt>
      <sshPrnamt>85700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>85700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SOUTHERN CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>842587107</cusip>
    <value>81</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LUMBER LIQUIDATORS HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>55003T107</cusip>
    <value>115</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DXC TECHNOLOGY CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>23355L106</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TIFFANY &amp; CO NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>886547108</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>103100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>103100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CENTENE CORP DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>15135B101</cusip>
    <value>57</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVITAE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46185L103</cusip>
    <value>300</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INTEL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>458140100</cusip>
    <value>552</value>
    <shrsOrPrnAmt>
      <sshPrnamt>121500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>121500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STARBUCKS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>855244109</cusip>
    <value>4758</value>
    <shrsOrPrnAmt>
      <sshPrnamt>64662</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>64662</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CENTURYLINK INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>156700106</cusip>
    <value>132</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>NASDAQ BIOTECH</titleOfClass>
    <cusip>464287556</cusip>
    <value>122</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ACORDA THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00484M106</cusip>
    <value>164</value>
    <shrsOrPrnAmt>
      <sshPrnamt>251900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>251900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>TIPS BD ETF</titleOfClass>
    <cusip>464287176</cusip>
    <value>36217</value>
    <shrsOrPrnAmt>
      <sshPrnamt>294450</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>294450</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOLD RESOURCE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>38068T105</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MICHAELS COS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>59408Q106</cusip>
    <value>34</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI STH KOR ETF</titleOfClass>
    <cusip>464286772</cusip>
    <value>52</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EVENTBRITE INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>29975E109</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ACORDA THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00484M106</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ELASTIC N V</nameOfIssuer>
    <titleOfClass>ORD SHS</titleOfClass>
    <cusip>N14506104</cusip>
    <value>316</value>
    <shrsOrPrnAmt>
      <sshPrnamt>114200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>114200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANTHEM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>036752103</cusip>
    <value>229</value>
    <shrsOrPrnAmt>
      <sshPrnamt>9900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>9900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI GERMANY ETF</titleOfClass>
    <cusip>464286806</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HOME DEPOT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>437076102</cusip>
    <value>101</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BED BATH &amp; BEYOND INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>075896100</cusip>
    <value>292</value>
    <shrsOrPrnAmt>
      <sshPrnamt>144000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>144000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PENN NATL GAMING INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>707569109</cusip>
    <value>322</value>
    <shrsOrPrnAmt>
      <sshPrnamt>73000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>73000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY ENRGY BULL2X</titleOfClass>
    <cusip>25460G609</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AVIS BUDGET GROUP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>053774105</cusip>
    <value>165</value>
    <shrsOrPrnAmt>
      <sshPrnamt>59100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>59100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APPLE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>037833100</cusip>
    <value>7495</value>
    <shrsOrPrnAmt>
      <sshPrnamt>829000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>829000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES SILVER TR</nameOfIssuer>
    <titleOfClass>ISHARES</titleOfClass>
    <cusip>46428Q109</cusip>
    <value>1363</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1436400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1436400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HECLA MNG CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>422704106</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ABBVIE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00287Y109</cusip>
    <value>1633</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16633</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16633</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TPG RE FIN TR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87266M107</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROVENTION BIO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74374N102</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TANGER FACTORY OUTLET CTRS I</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>875465106</cusip>
    <value>174</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLEARWATER PAPER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>18538R103</cusip>
    <value>596</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16486</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16486</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOGO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>38046C109</cusip>
    <value>45</value>
    <shrsOrPrnAmt>
      <sshPrnamt>63400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>63400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIFTH THIRD BANCORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>316773100</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>IBOXX HI YD ETF</titleOfClass>
    <cusip>464288513</cusip>
    <value>186</value>
    <shrsOrPrnAmt>
      <sshPrnamt>659000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>659000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>JR GOLD MINERS E</titleOfClass>
    <cusip>92189F791</cusip>
    <value>2541</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51247</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51247</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TRIP COM GROUP LTD</nameOfIssuer>
    <titleOfClass>ADS</titleOfClass>
    <cusip>89677Q107</cusip>
    <value>114</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENERAL MTRS CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>37045V100</cusip>
    <value>265</value>
    <shrsOrPrnAmt>
      <sshPrnamt>189900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>189900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HCA HEALTHCARE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>40412C101</cusip>
    <value>337</value>
    <shrsOrPrnAmt>
      <sshPrnamt>131900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>131900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO EXCHANGE-TRADED FD T</nameOfIssuer>
    <titleOfClass>SR LN ETF</titleOfClass>
    <cusip>46138G508</cusip>
    <value>2552</value>
    <shrsOrPrnAmt>
      <sshPrnamt>3773100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>3773100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SERITAGE GROWTH PPTYS</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>81752R100</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMYRIS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>03236M200</cusip>
    <value>24</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DISH NETWORK CORPORATION</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>25470M109</cusip>
    <value>170</value>
    <shrsOrPrnAmt>
      <sshPrnamt>82100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>82100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TRIP COM GROUP LTD</nameOfIssuer>
    <titleOfClass>ADS</titleOfClass>
    <cusip>89677Q107</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI CDA ETF</titleOfClass>
    <cusip>464286509</cusip>
    <value>161</value>
    <shrsOrPrnAmt>
      <sshPrnamt>401200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>401200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>ULTRASHRT S&amp;P500</titleOfClass>
    <cusip>74347B383</cusip>
    <value>35</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORTEVA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>22052L104</cusip>
    <value>1522</value>
    <shrsOrPrnAmt>
      <sshPrnamt>56812</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>56812</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHIMERA INVT CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>16934Q208</cusip>
    <value>2782</value>
    <shrsOrPrnAmt>
      <sshPrnamt>391200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>391200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TESLA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>88160R101</cusip>
    <value>32899</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30467</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30467</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADMA BIOLOGICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>000899104</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIX FLAGS ENTMT CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>83001A102</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIBERTY GLOBAL PLC</nameOfIssuer>
    <titleOfClass>SHS CL C</titleOfClass>
    <cusip>G5480U120</cusip>
    <value>569</value>
    <shrsOrPrnAmt>
      <sshPrnamt>965300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>965300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FORMFACTOR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>346375108</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY S&amp;P500 BR 3X</titleOfClass>
    <cusip>25460E885</cusip>
    <value>55</value>
    <shrsOrPrnAmt>
      <sshPrnamt>77100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>77100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ASTRAZENECA PLC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>046353108</cusip>
    <value>1768</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33437</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33437</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HALLIBURTON CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>406216101</cusip>
    <value>52</value>
    <shrsOrPrnAmt>
      <sshPrnamt>56300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>56300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IRON MTN INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46284V101</cusip>
    <value>36</value>
    <shrsOrPrnAmt>
      <sshPrnamt>111200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>111200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARVELL TECHNOLOGY GROUP LTD</nameOfIssuer>
    <titleOfClass>ORD</titleOfClass>
    <cusip>G5876H105</cusip>
    <value>197</value>
    <shrsOrPrnAmt>
      <sshPrnamt>40300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>40300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ACTINIUM PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00507W107</cusip>
    <value>0</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GRUBHUB INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>400110102</cusip>
    <value>117</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAUBMAN CTRS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>876664103</cusip>
    <value>420</value>
    <shrsOrPrnAmt>
      <sshPrnamt>400100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>400100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JOHNSON &amp; JOHNSON</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>478160104</cusip>
    <value>3918</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27860</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27860</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FORESCOUT TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>34553D101</cusip>
    <value>718</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33885</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33885</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALPHABET INC</nameOfIssuer>
    <titleOfClass>CAP STK CL A</titleOfClass>
    <cusip>02079K305</cusip>
    <value>1989</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QUDIAN INC</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>747798106</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LAS VEGAS SANDS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>517834107</cusip>
    <value>2783</value>
    <shrsOrPrnAmt>
      <sshPrnamt>61105</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>61105</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PG&amp;E CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>69331C108</cusip>
    <value>1470</value>
    <shrsOrPrnAmt>
      <sshPrnamt>165764</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>165764</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVITAE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46185L103</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RH</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74967X103</cusip>
    <value>1828</value>
    <shrsOrPrnAmt>
      <sshPrnamt>45700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>45700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RLJ LODGING TR</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74965L101</cusip>
    <value>471</value>
    <shrsOrPrnAmt>
      <sshPrnamt>83700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>83700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>UNIQURE NV</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>N90064101</cusip>
    <value>1522</value>
    <shrsOrPrnAmt>
      <sshPrnamt>392500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>392500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CEDAR FAIR L P</nameOfIssuer>
    <titleOfClass>DEPOSITRY UNIT</titleOfClass>
    <cusip>150185106</cusip>
    <value>47</value>
    <shrsOrPrnAmt>
      <sshPrnamt>107000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>107000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DCP MIDSTREAM LLC</nameOfIssuer>
    <titleOfClass>COM UT LTD PTN</titleOfClass>
    <cusip>23311P100</cusip>
    <value>69</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REGIONS FINANCIAL CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>7591EP100</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DBX ETF TR</nameOfIssuer>
    <titleOfClass>XTRACK HRVST CSI</titleOfClass>
    <cusip>233051879</cusip>
    <value>635</value>
    <shrsOrPrnAmt>
      <sshPrnamt>667100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>667100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CITIGROUP INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>172967424</cusip>
    <value>1586</value>
    <shrsOrPrnAmt>
      <sshPrnamt>313600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>313600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SEA LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>81141R100</cusip>
    <value>7297</value>
    <shrsOrPrnAmt>
      <sshPrnamt>356000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>356000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PENN NATL GAMING INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>707569109</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JPMORGAN CHASE &amp; CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46625H100</cusip>
    <value>1242</value>
    <shrsOrPrnAmt>
      <sshPrnamt>396000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>396000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR SER TR</nameOfIssuer>
    <titleOfClass>NUVEEN BRC MUNIC</titleOfClass>
    <cusip>78468R721</cusip>
    <value>117</value>
    <shrsOrPrnAmt>
      <sshPrnamt>45000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>45000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ATLASSIAN CORP PLC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>G06242104</cusip>
    <value>1773</value>
    <shrsOrPrnAmt>
      <sshPrnamt>394500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>394500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LULULEMON ATHLETICA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>550021109</cusip>
    <value>406</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIAT CHRYSLER AUTOMOBILES N</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>N31738102</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ONEOK INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>682680103</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ATHENEX INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04685N103</cusip>
    <value>18</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PARATEK PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>699374302</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CALLON PETE CO DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>13123X102</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81625</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>81625</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DAILY FINL BEAR</titleOfClass>
    <cusip>25460E133</cusip>
    <value>31</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19920</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19920</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>OIL GAS BL 2X SH</titleOfClass>
    <cusip>25460G500</cusip>
    <value>64</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15170</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15170</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PRICE T ROWE GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74144T108</cusip>
    <value>296</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ICICI BANK LIMITED</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>45104G104</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AXONICS MODULATION TECHNOLOG</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>05465P101</cusip>
    <value>20</value>
    <shrsOrPrnAmt>
      <sshPrnamt>133600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>133600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HSBC HLDGS PLC</nameOfIssuer>
    <titleOfClass>SPON ADR NEW</titleOfClass>
    <cusip>404280406</cusip>
    <value>2096</value>
    <shrsOrPrnAmt>
      <sshPrnamt>89821</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>89821</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ON SEMICONDUCTOR CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>682189105</cusip>
    <value>1222</value>
    <shrsOrPrnAmt>
      <sshPrnamt>760600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>760600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FLUOR CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>343412102</cusip>
    <value>87</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KROGER CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>501044101</cusip>
    <value>437</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12912</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12912</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BIOCRYST PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09058V103</cusip>
    <value>45</value>
    <shrsOrPrnAmt>
      <sshPrnamt>59700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>59700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NANTKWEST INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>63016Q102</cusip>
    <value>91</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEVRO CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>64157F103</cusip>
    <value>507</value>
    <shrsOrPrnAmt>
      <sshPrnamt>173500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>173500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR GOLD TR</nameOfIssuer>
    <titleOfClass>GOLD SHS</titleOfClass>
    <cusip>78463V107</cusip>
    <value>2328</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13911</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13911</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAMECO CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>13321L108</cusip>
    <value>458</value>
    <shrsOrPrnAmt>
      <sshPrnamt>44676</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>44676</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CARETRUST REIT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>14174T107</cusip>
    <value>141</value>
    <shrsOrPrnAmt>
      <sshPrnamt>57800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>57800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>PSHS ULT S&amp;P 500</titleOfClass>
    <cusip>74347R107</cusip>
    <value>67</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ARBOR RLTY TR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>038923108</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN ELEC PWR CO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>025537101</cusip>
    <value>177</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONSTELLATION PHARMCETICLS I</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>210373106</cusip>
    <value>213</value>
    <shrsOrPrnAmt>
      <sshPrnamt>135600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>135600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMGEN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>031162100</cusip>
    <value>264</value>
    <shrsOrPrnAmt>
      <sshPrnamt>9500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>9500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IAC INTERACTIVECORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>44919P508</cusip>
    <value>959</value>
    <shrsOrPrnAmt>
      <sshPrnamt>100800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>100800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COGNIZANT TECHNOLOGY SOLUTIO</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>192446102</cusip>
    <value>65</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HALLIBURTON CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>406216101</cusip>
    <value>285</value>
    <shrsOrPrnAmt>
      <sshPrnamt>87600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>87600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOW INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>260557103</cusip>
    <value>1035</value>
    <shrsOrPrnAmt>
      <sshPrnamt>188000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>188000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>NASDAQ BIOTECH</titleOfClass>
    <cusip>464287556</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PINTEREST INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>72352L106</cusip>
    <value>5048</value>
    <shrsOrPrnAmt>
      <sshPrnamt>227681</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>227681</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KRAFT HEINZ CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>500754106</cusip>
    <value>534</value>
    <shrsOrPrnAmt>
      <sshPrnamt>209000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>209000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BAIDU INC</nameOfIssuer>
    <titleOfClass>SPON ADR REP A</titleOfClass>
    <cusip>056752108</cusip>
    <value>327</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOLDMAN SACHS GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>38141G104</cusip>
    <value>793</value>
    <shrsOrPrnAmt>
      <sshPrnamt>39600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>39600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORWEGIAN CRUISE LINE HLDG L</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G66721104</cusip>
    <value>2070</value>
    <shrsOrPrnAmt>
      <sshPrnamt>125990</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>125990</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AGNC INVT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00123Q104</cusip>
    <value>80</value>
    <shrsOrPrnAmt>
      <sshPrnamt>38700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>38700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FACEBOOK INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>30303M102</cusip>
    <value>538</value>
    <shrsOrPrnAmt>
      <sshPrnamt>86000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>86000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HANESBRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>410345102</cusip>
    <value>397</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35138</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35138</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MELCO RESORTS AND ENTMNT LTD</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>585464100</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INTRA CELLULAR THERAPIES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46116X101</cusip>
    <value>494</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19227</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19227</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>IBOXX HI YD ETF</titleOfClass>
    <cusip>464288513</cusip>
    <value>3612</value>
    <shrsOrPrnAmt>
      <sshPrnamt>4219700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>4219700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IAMGOLD CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>450913108</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY FIN BULL NEW</titleOfClass>
    <cusip>25459Y694</cusip>
    <value>333</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ROSS STORES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>778296103</cusip>
    <value>482</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SNAP INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>83304A106</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>39400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>39400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DELL TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>CL C</titleOfClass>
    <cusip>24703L202</cusip>
    <value>28</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SILVERCREST METALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>828363101</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BROOKFIELD PROPERTY PARTRS L</nameOfIssuer>
    <titleOfClass>UNIT LTD PARTN</titleOfClass>
    <cusip>G16249107</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CNX RESOURCES CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>12653C108</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>106200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>106200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EQT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>26884L109</cusip>
    <value>198</value>
    <shrsOrPrnAmt>
      <sshPrnamt>95000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>95000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERISOURCEBERGEN CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03073E105</cusip>
    <value>390</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EQUINOR ASA</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>29446M102</cusip>
    <value>199</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>81700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MATADOR RES CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>576485205</cusip>
    <value>78</value>
    <shrsOrPrnAmt>
      <sshPrnamt>104700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>104700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENERAL ELECTRIC CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>369604103</cusip>
    <value>1156</value>
    <shrsOrPrnAmt>
      <sshPrnamt>5209300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>5209300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAKEDA PHARMACEUTICAL CO LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>874060205</cusip>
    <value>862</value>
    <shrsOrPrnAmt>
      <sshPrnamt>531700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>531700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO QQQ TR</nameOfIssuer>
    <titleOfClass>UNIT SER 1</titleOfClass>
    <cusip>46090E103</cusip>
    <value>3814</value>
    <shrsOrPrnAmt>
      <sshPrnamt>172400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>172400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RADA ELECTR INDS LTD</nameOfIssuer>
    <titleOfClass>COM PAR NEW</titleOfClass>
    <cusip>M81863124</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INTRA CELLULAR THERAPIES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46116X101</cusip>
    <value>1323</value>
    <shrsOrPrnAmt>
      <sshPrnamt>640100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>640100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MERSANA THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>59045L106</cusip>
    <value>34</value>
    <shrsOrPrnAmt>
      <sshPrnamt>72000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>72000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HARMONY GOLD MINING CO LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>413216300</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COEUR MNG INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>192108504</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TEVA PHARMACEUTICAL INDS LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>881624209</cusip>
    <value>1560</value>
    <shrsOrPrnAmt>
      <sshPrnamt>126533</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>126533</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>SHORT S&amp;P 500 NE</titleOfClass>
    <cusip>74347B425</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GRUBHUB INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>400110102</cusip>
    <value>50</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APACHE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>037411105</cusip>
    <value>42</value>
    <shrsOrPrnAmt>
      <sshPrnamt>54300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>54300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SAREPTA THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>803607100</cusip>
    <value>955</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OPKO HEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68375N103</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>46200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>46200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMARIN CORP PLC</nameOfIssuer>
    <titleOfClass>SPONS ADR NEW</titleOfClass>
    <cusip>023111206</cusip>
    <value>60</value>
    <shrsOrPrnAmt>
      <sshPrnamt>131600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>131600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ETSY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29786A106</cusip>
    <value>2737</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25768</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25768</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES GOLD TRUST</nameOfIssuer>
    <titleOfClass>ISHARES</titleOfClass>
    <cusip>464285105</cusip>
    <value>374</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21992</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21992</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ROYAL GOLD INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>780287108</cusip>
    <value>63</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MCEWEN MNG INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>58039P107</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FORESCOUT TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>34553D101</cusip>
    <value>611</value>
    <shrsOrPrnAmt>
      <sshPrnamt>342100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>342100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BAUDAX BIO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>07160F107</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY GOLD INDX 2X</titleOfClass>
    <cusip>25460G781</cusip>
    <value>151</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17240</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17240</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RIO TINTO PLC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>767204100</cusip>
    <value>84</value>
    <shrsOrPrnAmt>
      <sshPrnamt>65000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>65000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DINE BRANDS GLOBAL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>254423106</cusip>
    <value>140</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DELTA AIR LINES INC DEL</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>247361702</cusip>
    <value>832</value>
    <shrsOrPrnAmt>
      <sshPrnamt>108100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>108100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SCORPIO TANKERS INC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>Y7542C130</cusip>
    <value>95</value>
    <shrsOrPrnAmt>
      <sshPrnamt>89200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>89200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IMMUNOMEDICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>452907108</cusip>
    <value>1656</value>
    <shrsOrPrnAmt>
      <sshPrnamt>133800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>133800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NRG ENERGY INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>629377508</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GLOBAL X FDS</nameOfIssuer>
    <titleOfClass>MSCI PAKISTAN</titleOfClass>
    <cusip>37954Y335</cusip>
    <value>256</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11413</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11413</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALPHA PRO TECH LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>020772109</cusip>
    <value>64</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MICRO FOCUS INTL PLC</nameOfIssuer>
    <titleOfClass>SPON ADR NEW</titleOfClass>
    <cusip>594837403</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEKTAR THERAPEUTICS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>640268108</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APTIV PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G6095L109</cusip>
    <value>277</value>
    <shrsOrPrnAmt>
      <sshPrnamt>45900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>45900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PLAINS GP HLDGS L P</nameOfIssuer>
    <titleOfClass>LTD PARTNR INT A</titleOfClass>
    <cusip>72651A207</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ELANCO ANIMAL HEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>28414H103</cusip>
    <value>2267</value>
    <shrsOrPrnAmt>
      <sshPrnamt>105701</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>105701</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ORGANOVO HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68620A104</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TECK RESOURCES LTD</nameOfIssuer>
    <titleOfClass>CL B</titleOfClass>
    <cusip>878742204</cusip>
    <value>43</value>
    <shrsOrPrnAmt>
      <sshPrnamt>49600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>49600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NUTANIX INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>67059N108</cusip>
    <value>209</value>
    <shrsOrPrnAmt>
      <sshPrnamt>147400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>147400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MALLINCKRODT PUB LTD CO</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G5785G107</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>76300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>76300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LYONDELLBASELL INDUSTRIES N</nameOfIssuer>
    <titleOfClass>SHS - A -</titleOfClass>
    <cusip>N53745100</cusip>
    <value>206</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SUNESIS PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>867328700</cusip>
    <value>0</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TD AMERITRADE HLDG CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87236Y108</cusip>
    <value>150</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ACCENTURE PLC IRELAND</nameOfIssuer>
    <titleOfClass>SHS CLASS A</titleOfClass>
    <cusip>G1151C101</cusip>
    <value>202</value>
    <shrsOrPrnAmt>
      <sshPrnamt>9200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>9200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PURE STORAGE INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>74624M102</cusip>
    <value>383</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22089</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22089</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOCUSIGN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>256163106</cusip>
    <value>1880</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIEBOLD NXDF INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>253651103</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PAGSEGURO DIGITAL LTD</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>G68707101</cusip>
    <value>41</value>
    <shrsOrPrnAmt>
      <sshPrnamt>78300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>78300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PEOPLES UNITED FINANCIAL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>712704105</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RED ROCK RESORTS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>75700L108</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KROGER CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>501044101</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ORGANIGRAM HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68620P101</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>PSHS ULTRA QQQ</titleOfClass>
    <cusip>74347R206</cusip>
    <value>63</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LANNET INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>516012101</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ERICSSON</nameOfIssuer>
    <titleOfClass>ADR B SEK 10</titleOfClass>
    <cusip>294821608</cusip>
    <value>446</value>
    <shrsOrPrnAmt>
      <sshPrnamt>47932</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>47932</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MONDELEZ INTL INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>609207105</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FLIR SYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>302445101</cusip>
    <value>487</value>
    <shrsOrPrnAmt>
      <sshPrnamt>176500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>176500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONOCOPHILLIPS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>20825C104</cusip>
    <value>1667</value>
    <shrsOrPrnAmt>
      <sshPrnamt>215000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>215000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KINROSS GOLD CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>496902404</cusip>
    <value>396</value>
    <shrsOrPrnAmt>
      <sshPrnamt>167900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>167900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SSR MNG INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>784730103</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>THE REALREAL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>88339P101</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TECK RESOURCES LTD</nameOfIssuer>
    <titleOfClass>CL B</titleOfClass>
    <cusip>878742204</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NVIDIA CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>67066G104</cusip>
    <value>4086</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CYMABAY THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>23257D103</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BAIDU INC</nameOfIssuer>
    <titleOfClass>SPON ADR REP A</titleOfClass>
    <cusip>056752108</cusip>
    <value>201</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SOUTH ST CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>840441109</cusip>
    <value>194</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ASCENA RETAIL GROUP INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>04351G200</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADVANCE AUTO PARTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00751Y106</cusip>
    <value>2751</value>
    <shrsOrPrnAmt>
      <sshPrnamt>123700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>123700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORTEVA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>22052L104</cusip>
    <value>111</value>
    <shrsOrPrnAmt>
      <sshPrnamt>93000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>93000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EROS INTL PLC</nameOfIssuer>
    <titleOfClass>SHS NEW</titleOfClass>
    <cusip>G3788M114</cusip>
    <value>56</value>
    <shrsOrPrnAmt>
      <sshPrnamt>85000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>85000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OASIS PETROLEUM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>674215108</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>53600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>53600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO QQQ TR</nameOfIssuer>
    <titleOfClass>UNIT SER 1</titleOfClass>
    <cusip>46090E103</cusip>
    <value>1975</value>
    <shrsOrPrnAmt>
      <sshPrnamt>509200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>509200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>NORTHERN OIL &amp; GAS INC NEV</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>665531109</cusip>
    <value>34</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1090000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1090000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>CLOROX CO DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>189054109</cusip>
    <value>278</value>
    <shrsOrPrnAmt>
      <sshPrnamt>338500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>338500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DILLARDS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>254067101</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>METLIFE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>59156R108</cusip>
    <value>59</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BROOKDALE SR LIVING INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>112463104</cusip>
    <value>18</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CIGNA CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>125523100</cusip>
    <value>50941</value>
    <shrsOrPrnAmt>
      <sshPrnamt>271468</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>271468</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORDIC AMERICAN TANKERS LIMI</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G65773106</cusip>
    <value>15</value>
    <shrsOrPrnAmt>
      <sshPrnamt>64200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>64200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STITCH FIX INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>860897107</cusip>
    <value>277</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11101</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11101</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SNAP INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>83304A106</cusip>
    <value>3209</value>
    <shrsOrPrnAmt>
      <sshPrnamt>283000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>283000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SYSCO CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>871829107</cusip>
    <value>75</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AUTOMATIC DATA PROCESSING IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>053015103</cusip>
    <value>396</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOSTON SCIENTIFIC CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>101137107</cusip>
    <value>43</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CRISPR THERAPEUTICS AG</nameOfIssuer>
    <titleOfClass>NAMEN AKT</titleOfClass>
    <cusip>H17182108</cusip>
    <value>330</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PFIZER INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>717081103</cusip>
    <value>571</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17477</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17477</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BUNGE LIMITED</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G16962105</cusip>
    <value>530</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12892</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12892</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MORGAN STANLEY</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>617446448</cusip>
    <value>340</value>
    <shrsOrPrnAmt>
      <sshPrnamt>117600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>117600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TJX COS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>872540109</cusip>
    <value>19</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CARVANA CO</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>146869102</cusip>
    <value>18177</value>
    <shrsOrPrnAmt>
      <sshPrnamt>151223</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>151223</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PEPSICO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>713448108</cusip>
    <value>433</value>
    <shrsOrPrnAmt>
      <sshPrnamt>795800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>795800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KRATOS DEFENSE &amp; SEC SOLUTIO</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>50077B207</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INTERNATIONAL GAME TECHNOLOG</nameOfIssuer>
    <titleOfClass>SHS USD</titleOfClass>
    <cusip>G4863A108</cusip>
    <value>19</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LOCKHEED MARTIN CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>539830109</cusip>
    <value>60</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI AUST ETF</titleOfClass>
    <cusip>464286103</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INOVIO PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>45773H201</cusip>
    <value>1078</value>
    <shrsOrPrnAmt>
      <sshPrnamt>101800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>101800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN INTL GROUP INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>026874784</cusip>
    <value>169</value>
    <shrsOrPrnAmt>
      <sshPrnamt>135600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>135600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI BRAZIL ETF</titleOfClass>
    <cusip>464286400</cusip>
    <value>418</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14531</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14531</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COTY INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>222070203</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>66700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>66700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONAGRA BRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>205887102</cusip>
    <value>5240</value>
    <shrsOrPrnAmt>
      <sshPrnamt>148979</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>148979</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STRYKER CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>863667101</cusip>
    <value>714</value>
    <shrsOrPrnAmt>
      <sshPrnamt>85000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>85000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MSCI EAFE ETF</titleOfClass>
    <cusip>464287465</cusip>
    <value>9247</value>
    <shrsOrPrnAmt>
      <sshPrnamt>151908</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>151908</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR SER TR</nameOfIssuer>
    <titleOfClass>S&amp;P REGL BKG</titleOfClass>
    <cusip>78464A698</cusip>
    <value>871</value>
    <shrsOrPrnAmt>
      <sshPrnamt>369700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>369700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MSCI EAFE ETF</titleOfClass>
    <cusip>464287465</cusip>
    <value>8602</value>
    <shrsOrPrnAmt>
      <sshPrnamt>727100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>727100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PLURISTEM THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>72940R300</cusip>
    <value>55</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CALIFORNIA RES CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>13057Q206</cusip>
    <value>390</value>
    <shrsOrPrnAmt>
      <sshPrnamt>109100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>109100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STATE STR CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>857477103</cusip>
    <value>126</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEW YORK MTG TR INC</nameOfIssuer>
    <titleOfClass>COM PAR $.02</titleOfClass>
    <cusip>649604501</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>80100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>80100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>IBOXX HI YD ETF</titleOfClass>
    <cusip>464288513</cusip>
    <value>2069</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25347</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25347</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMYRIS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>03236M200</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EQT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>26884L109</cusip>
    <value>5363</value>
    <shrsOrPrnAmt>
      <sshPrnamt>450690</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>450690</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHILDRENS PL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>168905107</cusip>
    <value>103</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONAGRA BRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>205887102</cusip>
    <value>40</value>
    <shrsOrPrnAmt>
      <sshPrnamt>75900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>75900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENIUS BRANDS INTL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>37229T301</cusip>
    <value>31</value>
    <shrsOrPrnAmt>
      <sshPrnamt>117700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>117700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CERUS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>157085101</cusip>
    <value>247</value>
    <shrsOrPrnAmt>
      <sshPrnamt>37380</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>37380</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FOOT LOCKER INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>344849104</cusip>
    <value>98</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TANZANIAN GOLD CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87601A107</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLACKSTONE GROUP INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>09260D107</cusip>
    <value>765</value>
    <shrsOrPrnAmt>
      <sshPrnamt>109800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>109800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOUYU INTERNATIONAL HLDNGS L</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>25985W105</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AVANTOR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>05352A100</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SOUTH ST CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>840441109</cusip>
    <value>878</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18425</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18425</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORTONLIFELOCK INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>668771108</cusip>
    <value>2010</value>
    <shrsOrPrnAmt>
      <sshPrnamt>101342</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>101342</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN EAGLE OUTFITTERS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02553E106</cusip>
    <value>26</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JD.COM INC</nameOfIssuer>
    <titleOfClass>SPON ADR CL A</titleOfClass>
    <cusip>47215P106</cusip>
    <value>718</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11935</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11935</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SILVERCREST METALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>828363101</cusip>
    <value>503</value>
    <shrsOrPrnAmt>
      <sshPrnamt>54899</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>54899</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ETF MANAGERS TR</nameOfIssuer>
    <titleOfClass>ETFMG ALTR HRVST</titleOfClass>
    <cusip>26924G508</cusip>
    <value>115</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COLLECTORS UNIVERSE INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>19421R200</cusip>
    <value>41</value>
    <shrsOrPrnAmt>
      <sshPrnamt>46400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>46400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MANNKIND CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>56400P706</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TJX COS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>872540109</cusip>
    <value>28</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PETROLEO BRASILEIRO SA PETRO</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>71654V408</cusip>
    <value>167</value>
    <shrsOrPrnAmt>
      <sshPrnamt>280600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>280600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LAUDER ESTEE COS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>518439104</cusip>
    <value>64</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>THOR INDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>885160101</cusip>
    <value>906</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FARFETCH LTD</nameOfIssuer>
    <titleOfClass>ORD SH CL A</titleOfClass>
    <cusip>30744W107</cusip>
    <value>101</value>
    <shrsOrPrnAmt>
      <sshPrnamt>813200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>813200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAMPING WORLD HLDGS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>13462K109</cusip>
    <value>202</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OPKO HEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68375N103</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPOTIFY TECHNOLOGY S A</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>L8681T102</cusip>
    <value>51</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>PSHS ULTSH 20YRS</titleOfClass>
    <cusip>74347B201</cusip>
    <value>130</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DBV TECHNOLOGIES S A</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>23306J101</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LAS VEGAS SANDS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>517834107</cusip>
    <value>789</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>81100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIRST SOLAR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>336433107</cusip>
    <value>57</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR S&amp;P 500 ETF TR</nameOfIssuer>
    <titleOfClass>TR UNIT</titleOfClass>
    <cusip>78462F103</cusip>
    <value>7333</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1570400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1570400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLACKBERRY LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09228F103</cusip>
    <value>148</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAMECO CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>13321L108</cusip>
    <value>69</value>
    <shrsOrPrnAmt>
      <sshPrnamt>49200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>49200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO EXCHANGE-TRADED FD T</nameOfIssuer>
    <titleOfClass>SOLAR ETF</titleOfClass>
    <cusip>46138G706</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENANTA PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29251M106</cusip>
    <value>282</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CBL &amp; ASSOC PPTYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>124830100</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>105600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>105600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AFLAC INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>001055102</cusip>
    <value>18</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY S&amp;P500 BR 3X</titleOfClass>
    <cusip>25460E885</cusip>
    <value>57</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FLY LEASING LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>34407D109</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FRONT YD RESIDENTIAL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>35904G107</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SAILPOINT TECHNLGIES HLDGS I</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>78781P105</cusip>
    <value>203</value>
    <shrsOrPrnAmt>
      <sshPrnamt>114800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>114800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENERGY TRANSFER LP</nameOfIssuer>
    <titleOfClass>COM UT LTD PTN</titleOfClass>
    <cusip>29273V100</cusip>
    <value>95</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2257200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2257200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MORGAN STANLEY</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>617446448</cusip>
    <value>577</value>
    <shrsOrPrnAmt>
      <sshPrnamt>116900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>116900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PAYCHEX INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>704326107</cusip>
    <value>141</value>
    <shrsOrPrnAmt>
      <sshPrnamt>144200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>144200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GAP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>364760108</cusip>
    <value>66</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DRX S&amp;P500BULL</titleOfClass>
    <cusip>25459W862</cusip>
    <value>82</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NAUTILUS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>63910B102</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MGM RESORTS INTERNATIONAL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>552953101</cusip>
    <value>348</value>
    <shrsOrPrnAmt>
      <sshPrnamt>638700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>638700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARATHON PETE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>56585A102</cusip>
    <value>2095</value>
    <shrsOrPrnAmt>
      <sshPrnamt>56038</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>56038</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIX FLAGS ENTMT CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>83001A102</cusip>
    <value>92</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>HIGH YLD MUN ETF</titleOfClass>
    <cusip>92189H409</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN TOWER CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03027X100</cusip>
    <value>28</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENPHASE ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29355A107</cusip>
    <value>67</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MALLINCKRODT PUB LTD CO</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G5785G107</cusip>
    <value>290</value>
    <shrsOrPrnAmt>
      <sshPrnamt>113100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>113100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DEXCOM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>252131107</cusip>
    <value>8913</value>
    <shrsOrPrnAmt>
      <sshPrnamt>64000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>64000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES SILVER TR</nameOfIssuer>
    <titleOfClass>ISHARES</titleOfClass>
    <cusip>46428Q109</cusip>
    <value>113</value>
    <shrsOrPrnAmt>
      <sshPrnamt>283200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>283200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AURORA CANNABIS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>05156X884</cusip>
    <value>103</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35436</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35436</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOVARTIS AG</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>66987V109</cusip>
    <value>63</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KIMCO RLTY CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>49446R109</cusip>
    <value>536</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41715</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41715</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>CHINA LG-CAP ETF</titleOfClass>
    <cusip>464287184</cusip>
    <value>814</value>
    <shrsOrPrnAmt>
      <sshPrnamt>382500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>382500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COMPASS DIVERSIFIED HOLDINGS</nameOfIssuer>
    <titleOfClass>SH BEN INT</titleOfClass>
    <cusip>20451Q104</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BEAZER HOMES USA INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>07556Q881</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROCTER AND GAMBLE CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>742718109</cusip>
    <value>390</value>
    <shrsOrPrnAmt>
      <sshPrnamt>532600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>532600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TELADOC HEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87918A105</cusip>
    <value>123</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SUMMIT MATLS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>86614U100</cusip>
    <value>152</value>
    <shrsOrPrnAmt>
      <sshPrnamt>62600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>62600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CO-DIAGNOSTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>189763105</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RUBICON PROJ INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>78112V102</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15356</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15356</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HERTZ GLOBAL HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>42806J106</cusip>
    <value>224</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2426800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2426800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO MORTGAGE CAPITAL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46131B100</cusip>
    <value>101</value>
    <shrsOrPrnAmt>
      <sshPrnamt>37200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>37200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLOUDFLARE INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>18915M107</cusip>
    <value>92</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALTERYX INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>02156B103</cusip>
    <value>62</value>
    <shrsOrPrnAmt>
      <sshPrnamt>171800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>171800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIBERTY GLOBAL PLC</nameOfIssuer>
    <titleOfClass>SHS CL C</titleOfClass>
    <cusip>G5480U120</cusip>
    <value>293</value>
    <shrsOrPrnAmt>
      <sshPrnamt>792500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>792500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MACYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>55616P104</cusip>
    <value>249</value>
    <shrsOrPrnAmt>
      <sshPrnamt>251700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>251700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MCDONALDS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>580135101</cusip>
    <value>448</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO EXCHANGE TRADED FD T</nameOfIssuer>
    <titleOfClass>S&amp;P500 EQL ENR</titleOfClass>
    <cusip>46137V365</cusip>
    <value>539</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19192</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19192</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DISH NETWORK CORPORATION</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>25470M109</cusip>
    <value>11142</value>
    <shrsOrPrnAmt>
      <sshPrnamt>322861</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>322861</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMPIO PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03209T109</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CALLON PETE CO DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>13123X102</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13875</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13875</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HEWLETT PACKARD ENTERPRISE C</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>42824C109</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DARDEN RESTAURANTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>237194105</cusip>
    <value>485</value>
    <shrsOrPrnAmt>
      <sshPrnamt>162300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>162300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CARRIER GLOBAL CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>14448C104</cusip>
    <value>30</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COSTCO WHSL CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>22160K105</cusip>
    <value>211</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>UNITED STS BRENT OIL FD LP</nameOfIssuer>
    <titleOfClass>UNIT</titleOfClass>
    <cusip>91167Q100</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSPECT CAP CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74348T102</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AFFIMED N V</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>N01045108</cusip>
    <value>33</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SANDSTORM GOLD LTD</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>80013R206</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SM ENERGY CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>78454L100</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DELL TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>CL C</titleOfClass>
    <cusip>24703L202</cusip>
    <value>562</value>
    <shrsOrPrnAmt>
      <sshPrnamt>89100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>89100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REGENERON PHARMACEUTICALS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75886F107</cusip>
    <value>1097</value>
    <shrsOrPrnAmt>
      <sshPrnamt>8700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>8700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COMPUGEN LTD</nameOfIssuer>
    <titleOfClass>ORD</titleOfClass>
    <cusip>M25722105</cusip>
    <value>306</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20347</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20347</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NIKOLA CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>654110105</cusip>
    <value>45063</value>
    <shrsOrPrnAmt>
      <sshPrnamt>667300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>667300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NCR CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>62886E108</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TENCENT MUSIC ENTMT GROUP</nameOfIssuer>
    <titleOfClass>SPON ADS</titleOfClass>
    <cusip>88034P109</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>142100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>142100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MILLENDO THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>60040X103</cusip>
    <value>270</value>
    <shrsOrPrnAmt>
      <sshPrnamt>153127</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>153127</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALTRIA GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02209S103</cusip>
    <value>248</value>
    <shrsOrPrnAmt>
      <sshPrnamt>55700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>55700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SALESFORCE COM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>79466L302</cusip>
    <value>492</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DRX S&amp;P500BULL</titleOfClass>
    <cusip>25459W862</cusip>
    <value>648</value>
    <shrsOrPrnAmt>
      <sshPrnamt>123700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>123700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BRISTOL-MYERS SQUIBB CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>110122108</cusip>
    <value>161</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HDFC BANK LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>40415F101</cusip>
    <value>792</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17427</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17427</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QIAGEN NV</nameOfIssuer>
    <titleOfClass>SHS NEW</titleOfClass>
    <cusip>N72482123</cusip>
    <value>411</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>81900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENPACT LIMITED</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G3922B107</cusip>
    <value>26</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RAYTHEON TECHNOLOGIES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75513E101</cusip>
    <value>1471</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23872</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23872</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TARGA RES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87612G101</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FRONT YD RESIDENTIAL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>35904G107</cusip>
    <value>1971</value>
    <shrsOrPrnAmt>
      <sshPrnamt>226550</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>226550</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DISNEY WALT CO</nameOfIssuer>
    <titleOfClass>COM DISNEY</titleOfClass>
    <cusip>254687106</cusip>
    <value>721</value>
    <shrsOrPrnAmt>
      <sshPrnamt>128200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>128200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NUTANIX INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>67059N108</cusip>
    <value>35</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOL LINHAS AEREAS INTELIGENT</nameOfIssuer>
    <titleOfClass>SPON ADR PFD NEW</titleOfClass>
    <cusip>38045R206</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CENTENNIAL RESOURCE DEV INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>15136A102</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN INTL GROUP INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>026874784</cusip>
    <value>599</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19207</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19207</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAILORED BRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87403A107</cusip>
    <value>20</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CINEMARK HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>17243V102</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SEABRIDGE GOLD INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>811916105</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STMICROELECTRONICS N V</nameOfIssuer>
    <titleOfClass>NY REGISTRY</titleOfClass>
    <cusip>861012102</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CARNIVAL CORP</nameOfIssuer>
    <titleOfClass>UNIT 99/99/9999</titleOfClass>
    <cusip>143658300</cusip>
    <value>1720</value>
    <shrsOrPrnAmt>
      <sshPrnamt>391500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>391500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STRATASYS LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>M85548101</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G491BT108</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SCIENTIFIC GAMES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>80874P109</cusip>
    <value>99</value>
    <shrsOrPrnAmt>
      <sshPrnamt>206000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>206000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SUMMIT HOTEL PPTYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>866082100</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CALIFORNIA RES CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>13057Q206</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>83800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>83800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HYATT HOTELS CORP</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>448579102</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>77800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>77800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RANGE RES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75281A109</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DRAFTKINGS INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>26142R104</cusip>
    <value>1096</value>
    <shrsOrPrnAmt>
      <sshPrnamt>136600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>136600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ARES CAPITAL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04010L103</cusip>
    <value>24</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CITIGROUP INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>172967424</cusip>
    <value>755</value>
    <shrsOrPrnAmt>
      <sshPrnamt>193600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>193600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SORRENTO THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>83587F202</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HDFC BANK LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>40415F101</cusip>
    <value>271</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PINDUODUO INC</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>722304102</cusip>
    <value>302</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORFOLK SOUTHERN CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>655844108</cusip>
    <value>19</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALPS ETF TR</nameOfIssuer>
    <titleOfClass>ALERIAN MLP</titleOfClass>
    <cusip>00162Q452</cusip>
    <value>6131</value>
    <shrsOrPrnAmt>
      <sshPrnamt>248403</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>248403</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ETF SER SOLUTIONS</nameOfIssuer>
    <titleOfClass>US GLB JETS</titleOfClass>
    <cusip>26922A842</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ORCHID IS CAP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68571X103</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>60700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>60700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PG&amp;E CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>69331C108</cusip>
    <value>7727</value>
    <shrsOrPrnAmt>
      <sshPrnamt>3586600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>3586600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>IBOXX INV CP ETF</titleOfClass>
    <cusip>464287242</cusip>
    <value>39</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PFIZER INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>717081103</cusip>
    <value>132</value>
    <shrsOrPrnAmt>
      <sshPrnamt>242300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>242300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STRATASYS LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>M85548101</cusip>
    <value>296</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18686</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18686</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOLLAR GEN CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>256677105</cusip>
    <value>47</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN EXPRESS CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>025816109</cusip>
    <value>153</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HSBC HLDGS PLC</nameOfIssuer>
    <titleOfClass>SPON ADR NEW</titleOfClass>
    <cusip>404280406</cusip>
    <value>712</value>
    <shrsOrPrnAmt>
      <sshPrnamt>175500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>175500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANHEUSER BUSCH INBEV SA/NV</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>03524A108</cusip>
    <value>804</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16318</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16318</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AURORA CANNABIS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>05156X884</cusip>
    <value>336</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27041</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27041</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BP PLC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>055622104</cusip>
    <value>776</value>
    <shrsOrPrnAmt>
      <sshPrnamt>252800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>252800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENERGY TRANSFER LP</nameOfIssuer>
    <titleOfClass>COM UT LTD PTN</titleOfClass>
    <cusip>29273V100</cusip>
    <value>4048</value>
    <shrsOrPrnAmt>
      <sshPrnamt>568542</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>568542</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ROYAL CARIBBEAN CRUISES LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>V7780T103</cusip>
    <value>493</value>
    <shrsOrPrnAmt>
      <sshPrnamt>553300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>553300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AXALTA COATING SYS LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G0750C108</cusip>
    <value>563</value>
    <shrsOrPrnAmt>
      <sshPrnamt>104300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>104300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HERTZ GLOBAL HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>42806J106</cusip>
    <value>2582</value>
    <shrsOrPrnAmt>
      <sshPrnamt>781500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>781500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONTINENTAL RES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>212015101</cusip>
    <value>580</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33086</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33086</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOGO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>38046C109</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KARYOPHARM THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>48576U106</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI SWITZERLAND</titleOfClass>
    <cusip>464286749</cusip>
    <value>1766</value>
    <shrsOrPrnAmt>
      <sshPrnamt>45331</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>45331</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HCA HEALTHCARE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>40412C101</cusip>
    <value>7859</value>
    <shrsOrPrnAmt>
      <sshPrnamt>80975</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>80975</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KOHLS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>500255104</cusip>
    <value>261</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>OIL SVCS ETF</titleOfClass>
    <cusip>92189H607</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>57520</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>57520</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENABLE MIDSTREAM PARTNERS LP</nameOfIssuer>
    <titleOfClass>COM UNIT RP IN</titleOfClass>
    <cusip>292480100</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY SMCAP BULL3X</titleOfClass>
    <cusip>25459W847</cusip>
    <value>376</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>1LIFE HEALTHCARE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68269G107</cusip>
    <value>81</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GLOBAL X FDS</nameOfIssuer>
    <titleOfClass>GBL X MSCI NIGER</titleOfClass>
    <cusip>37954Y665</cusip>
    <value>213</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22817</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22817</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIGITAL TURBINE INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>25400W102</cusip>
    <value>93</value>
    <shrsOrPrnAmt>
      <sshPrnamt>38600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>38600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OVINTIV INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>69047Q102</cusip>
    <value>51</value>
    <shrsOrPrnAmt>
      <sshPrnamt>45040</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>45040</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLOOM ENERGY CORP</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>093712107</cusip>
    <value>41</value>
    <shrsOrPrnAmt>
      <sshPrnamt>709600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>709600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DATADOG INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>23804L103</cusip>
    <value>109</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CERUS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>157085101</cusip>
    <value>36</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENPHASE ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29355A107</cusip>
    <value>433</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CITRIX SYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>177376100</cusip>
    <value>176</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMGEN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>031162100</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENERAL DYNAMICS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>369550108</cusip>
    <value>30</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FASTLY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>31188V100</cusip>
    <value>1188</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13960</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13960</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CENOVUS ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>15135U109</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>44000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>44000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ELECTRAMECCANICA VEHS CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>284849205</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RAYTHEON TECHNOLOGIES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75513E101</cusip>
    <value>52</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27327</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27327</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPIRIT AIRLS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>848577102</cusip>
    <value>94</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOVAGOLD RES INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>66987E206</cusip>
    <value>20</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DELEK US HLDGS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>24665A103</cusip>
    <value>60</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLOROX CO DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>189054109</cusip>
    <value>354</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BED BATH &amp; BEYOND INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>075896100</cusip>
    <value>1098</value>
    <shrsOrPrnAmt>
      <sshPrnamt>103618</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>103618</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STARBUCKS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>855244109</cusip>
    <value>1542</value>
    <shrsOrPrnAmt>
      <sshPrnamt>142600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>142600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ELECTRONIC ARTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>285512109</cusip>
    <value>39</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COMCAST CORP NEW</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>20030N101</cusip>
    <value>1623</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41643</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41643</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TANGER FACTORY OUTLET CTRS I</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>875465106</cusip>
    <value>19</value>
    <shrsOrPrnAmt>
      <sshPrnamt>44800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>44800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOVAVAX INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>670002401</cusip>
    <value>98</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SEA LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>81141R100</cusip>
    <value>19465</value>
    <shrsOrPrnAmt>
      <sshPrnamt>333500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>333500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR S&amp;P 500 ETF TR</nameOfIssuer>
    <titleOfClass>TR UNIT</titleOfClass>
    <cusip>78462F103</cusip>
    <value>3358</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1251300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1251300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>T2 BIOSYSTEMS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>89853L104</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FREEPORT-MCMORAN INC</nameOfIssuer>
    <titleOfClass>CL B</titleOfClass>
    <cusip>35671D857</cusip>
    <value>1114</value>
    <shrsOrPrnAmt>
      <sshPrnamt>96251</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>96251</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INPHI CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45772F107</cusip>
    <value>347</value>
    <shrsOrPrnAmt>
      <sshPrnamt>150800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>150800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EQUITRANS MIDSTREAM CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>294600101</cusip>
    <value>80</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26428</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26428</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>CHINA LG-CAP ETF</titleOfClass>
    <cusip>464287184</cusip>
    <value>76</value>
    <shrsOrPrnAmt>
      <sshPrnamt>49000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>49000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AVANTOR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>05352A100</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MSCI EAFE ETF</titleOfClass>
    <cusip>464287465</cusip>
    <value>8036</value>
    <shrsOrPrnAmt>
      <sshPrnamt>4246500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>4246500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BRISTOL-MYERS SQUIBB CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>110122108</cusip>
    <value>226</value>
    <shrsOrPrnAmt>
      <sshPrnamt>499800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>499800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FLUOR CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>343412102</cusip>
    <value>481</value>
    <shrsOrPrnAmt>
      <sshPrnamt>271900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>271900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PAN AMERN SILVER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>697900108</cusip>
    <value>229</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEW MTN FIN CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>647551100</cusip>
    <value>67</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SAGE THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>78667J108</cusip>
    <value>85</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>GLOBAL MATER ETF</titleOfClass>
    <cusip>464288695</cusip>
    <value>2773</value>
    <shrsOrPrnAmt>
      <sshPrnamt>44298</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>44298</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DECIPHERA PHARMACEUTICALS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>24344T101</cusip>
    <value>1562</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26163</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26163</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PLAYA HOTELS &amp; RESORTS NV</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>N70544106</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TRIVAGO N V</nameOfIssuer>
    <titleOfClass>SPON ADS A SHS</titleOfClass>
    <cusip>89686D105</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INSEEGO CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45782B104</cusip>
    <value>64</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ITAU UNIBANCO HLDG S A</nameOfIssuer>
    <titleOfClass>SPON ADR REP PFD</titleOfClass>
    <cusip>465562106</cusip>
    <value>420</value>
    <shrsOrPrnAmt>
      <sshPrnamt>104500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>104500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENDO INTL PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G30401106</cusip>
    <value>372</value>
    <shrsOrPrnAmt>
      <sshPrnamt>492900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>492900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>F5 NETWORKS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>315616102</cusip>
    <value>412</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FORTUNA SILVER MINES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>349915108</cusip>
    <value>102</value>
    <shrsOrPrnAmt>
      <sshPrnamt>59900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>59900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AUTOMATIC DATA PROCESSING IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>053015103</cusip>
    <value>2017</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13547</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13547</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ON SEMICONDUCTOR CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>682189105</cusip>
    <value>4637</value>
    <shrsOrPrnAmt>
      <sshPrnamt>233936</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>233936</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERIS BANCORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03076K108</cusip>
    <value>195</value>
    <shrsOrPrnAmt>
      <sshPrnamt>60000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>60000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STRYKER CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>863667101</cusip>
    <value>3183</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17667</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17667</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIBANYE STILLWATER LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>82575P107</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GREEN PLAINS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>393222104</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOVAVAX INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>670002401</cusip>
    <value>2808</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33691</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33691</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENIUS BRANDS INTL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>37229T301</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOCUSIGN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>256163106</cusip>
    <value>6137</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35639</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35639</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DORIAN LPG LTD</nameOfIssuer>
    <titleOfClass>SHS USD</titleOfClass>
    <cusip>Y2106R110</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COUPA SOFTWARE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>22266L106</cusip>
    <value>433</value>
    <shrsOrPrnAmt>
      <sshPrnamt>4000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>4000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>40434L105</cusip>
    <value>88</value>
    <shrsOrPrnAmt>
      <sshPrnamt>76100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>76100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MPLX LP</nameOfIssuer>
    <titleOfClass>COM UNIT REP LTD</titleOfClass>
    <cusip>55336V100</cusip>
    <value>125</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ASCENDIS PHARMA A S</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>04351P101</cusip>
    <value>204</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORMEDIX INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>21900C308</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BEYOND MEAT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>08862E109</cusip>
    <value>3700</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27617</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27617</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ARES CAPITAL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04010L103</cusip>
    <value>173</value>
    <shrsOrPrnAmt>
      <sshPrnamt>74100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>74100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AG MTG INVT TR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>001228105</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>61100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>61100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TRILLIUM THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>89620X506</cusip>
    <value>53</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RIO TINTO PLC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>767204100</cusip>
    <value>781</value>
    <shrsOrPrnAmt>
      <sshPrnamt>119200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>119200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EXPEDIA GROUP INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>30212P303</cusip>
    <value>2419</value>
    <shrsOrPrnAmt>
      <sshPrnamt>120300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>120300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SMILEDIRECTCLUB INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>83192H106</cusip>
    <value>15</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LILLY ELI &amp; CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>532457108</cusip>
    <value>195</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CO-DIAGNOSTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>189763105</cusip>
    <value>297</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15331</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15331</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENERSYS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29275Y102</cusip>
    <value>123</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APOLLO INVT CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>03761U502</cusip>
    <value>34</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ATHERSYS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04744L106</cusip>
    <value>37</value>
    <shrsOrPrnAmt>
      <sshPrnamt>99900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>99900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BALLARD PWR SYS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>058586108</cusip>
    <value>491</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31887</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31887</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TYSON FOODS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>902494103</cusip>
    <value>158</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIONS GATE ENTMNT CORP</nameOfIssuer>
    <titleOfClass>CL A VTG</titleOfClass>
    <cusip>535919401</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CNH INDL N V</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>N20944109</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI NETHERL ETF</titleOfClass>
    <cusip>464286814</cusip>
    <value>670</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20480</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20480</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOUYU INTERNATIONAL HLDNGS L</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>25985W105</cusip>
    <value>35</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JPMORGAN CHASE &amp; CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46625H100</cusip>
    <value>1589</value>
    <shrsOrPrnAmt>
      <sshPrnamt>358000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>358000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADAPTIMMUNE THERAPEUTICS PLC</nameOfIssuer>
    <titleOfClass>SPONDS ADR</titleOfClass>
    <cusip>00653A107</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CRONOS GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>22717L101</cusip>
    <value>30</value>
    <shrsOrPrnAmt>
      <sshPrnamt>122300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>122300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>IBOXX INV CP ETF</titleOfClass>
    <cusip>464287242</cusip>
    <value>203</value>
    <shrsOrPrnAmt>
      <sshPrnamt>536100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>536100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MSCI CHINA A</titleOfClass>
    <cusip>46434V514</cusip>
    <value>638</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20175</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20175</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SEAGATE TECHNOLOGY PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G7945M107</cusip>
    <value>1440</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29744</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29744</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PBF ENERGY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>69318G106</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ETSY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29786A106</cusip>
    <value>4183</value>
    <shrsOrPrnAmt>
      <sshPrnamt>252100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>252100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>1 3 YR TREAS BD</titleOfClass>
    <cusip>464287457</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO CURRENCYSHARES JAPAN</nameOfIssuer>
    <titleOfClass>JAPANESE YEN</titleOfClass>
    <cusip>46138W107</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONSTELLATION BRANDS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>21036P108</cusip>
    <value>61</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AT&amp;T INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00206R102</cusip>
    <value>2599</value>
    <shrsOrPrnAmt>
      <sshPrnamt>85989</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>85989</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOSTON PPTYS LTD PARTNERSHIP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>101121101</cusip>
    <value>54</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALPHA PRO TECH LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>020772109</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMC ENTMT HLDGS INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>00165C104</cusip>
    <value>53</value>
    <shrsOrPrnAmt>
      <sshPrnamt>106100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>106100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MSCI EMG MKT ETF</titleOfClass>
    <cusip>464287234</cusip>
    <value>1202</value>
    <shrsOrPrnAmt>
      <sshPrnamt>687000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>687000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TJX COS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>872540109</cusip>
    <value>842</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16650</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16650</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>ULTRAPRO SHORT S</titleOfClass>
    <cusip>74347B268</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GALECTIN THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>363225202</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>PFD AND INCM SEC</titleOfClass>
    <cusip>464288687</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEW ORIENTAL ED &amp; TECHNOLOGY</nameOfIssuer>
    <titleOfClass>SPON ADR</titleOfClass>
    <cusip>647581107</cusip>
    <value>112</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PARK HOTELS RESORTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>700517105</cusip>
    <value>39</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TEUCRIUM COMMODITY TR</nameOfIssuer>
    <titleOfClass>CORN FD SHS</titleOfClass>
    <cusip>88166A102</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HANESBRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>410345102</cusip>
    <value>93</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENERAL MLS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>370334104</cusip>
    <value>175</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ARCUS BIOSCIENCES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03969F109</cusip>
    <value>79</value>
    <shrsOrPrnAmt>
      <sshPrnamt>75400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>75400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BROADCOM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>11135F101</cusip>
    <value>234</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CABOT OIL &amp; GAS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>127097103</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REALTY INCOME CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>756109104</cusip>
    <value>43</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SOLAREDGE TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>83417M104</cusip>
    <value>356</value>
    <shrsOrPrnAmt>
      <sshPrnamt>5600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>5600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IQIYI INC</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>46267X108</cusip>
    <value>382</value>
    <shrsOrPrnAmt>
      <sshPrnamt>73000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>73000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIFE STORAGE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>53223X107</cusip>
    <value>146</value>
    <shrsOrPrnAmt>
      <sshPrnamt>44100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>44100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DAVE &amp; BUSTERS ENTMT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>238337109</cusip>
    <value>49</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>METLIFE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>59156R108</cusip>
    <value>1125</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30813</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30813</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LYFT INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>55087P104</cusip>
    <value>4998</value>
    <shrsOrPrnAmt>
      <sshPrnamt>151395</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>151395</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AFYA LTD</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>G01125106</cusip>
    <value>255</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ETF MANAGERS TR</nameOfIssuer>
    <titleOfClass>ETFMG ALTR HRVST</titleOfClass>
    <cusip>26924G508</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>101700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>101700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EDGEWELL PERS CARE CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>28035Q102</cusip>
    <value>74</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BANCO BBVA ARGENTINA S A</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>058934100</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENCORE CAP GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>292554102</cusip>
    <value>26</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HOLOGIC INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>436440101</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PLAINS GP HLDGS L P</nameOfIssuer>
    <titleOfClass>LTD PARTNR INT A</titleOfClass>
    <cusip>72651A207</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APPLIED MATLS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>038222105</cusip>
    <value>789</value>
    <shrsOrPrnAmt>
      <sshPrnamt>80900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>80900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APPLIED OPTOELECTRONICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03823U102</cusip>
    <value>18</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORENERGY INFRASTRUCTURE TR</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>21870U502</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EDITAS MEDICINE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>28106W103</cusip>
    <value>136</value>
    <shrsOrPrnAmt>
      <sshPrnamt>188600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>188600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MELCO RESORTS AND ENTMNT LTD</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>585464100</cusip>
    <value>39</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AURORA CANNABIS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>05156X884</cusip>
    <value>165</value>
    <shrsOrPrnAmt>
      <sshPrnamt>57724</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>57724</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAL EDUCATION GROUP</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>874080104</cusip>
    <value>395</value>
    <shrsOrPrnAmt>
      <sshPrnamt>222200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>222200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CEL SCI CORP</nameOfIssuer>
    <titleOfClass>COM PAR NEW</titleOfClass>
    <cusip>150837607</cusip>
    <value>1091</value>
    <shrsOrPrnAmt>
      <sshPrnamt>166200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>166200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORECIVIC INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>21871N101</cusip>
    <value>30</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PALO ALTO NETWORKS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>697435105</cusip>
    <value>143</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PLUG POWER INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>72919P202</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>37800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>37800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SCHWAB CHARLES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>808513105</cusip>
    <value>50</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIBERTY GLOBAL PLC</nameOfIssuer>
    <titleOfClass>SHS CL C</titleOfClass>
    <cusip>G5480U120</cusip>
    <value>7521</value>
    <shrsOrPrnAmt>
      <sshPrnamt>349662</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>349662</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RADA ELECTR INDS LTD</nameOfIssuer>
    <titleOfClass>COM PAR NEW</titleOfClass>
    <cusip>M81863124</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADURO BIOTECH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00739L101</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANTERO RESOURCES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03674X106</cusip>
    <value>374</value>
    <shrsOrPrnAmt>
      <sshPrnamt>147133</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>147133</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PENNYMAC MTG INVT TR</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>70931T103</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COCA COLA CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>191216100</cusip>
    <value>2601</value>
    <shrsOrPrnAmt>
      <sshPrnamt>58206</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>58206</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QUALCOMM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>747525103</cusip>
    <value>640</value>
    <shrsOrPrnAmt>
      <sshPrnamt>223000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>223000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ONEOK INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>682680103</cusip>
    <value>155</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CRISPR THERAPEUTICS AG</nameOfIssuer>
    <titleOfClass>NAMEN AKT</titleOfClass>
    <cusip>H17182108</cusip>
    <value>894</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12161</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12161</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONTINENTAL RES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>212015101</cusip>
    <value>215</value>
    <shrsOrPrnAmt>
      <sshPrnamt>59300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>59300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TOWER SEMICONDUCTOR LTD</nameOfIssuer>
    <titleOfClass>SHS NEW</titleOfClass>
    <cusip>M87915274</cusip>
    <value>45</value>
    <shrsOrPrnAmt>
      <sshPrnamt>62800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>62800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN AXLE &amp; MFG HLDGS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>024061103</cusip>
    <value>764</value>
    <shrsOrPrnAmt>
      <sshPrnamt>100508</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>100508</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MEDICAL PPTYS TRUST INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>58463J304</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO EXCHANGE-TRADED FD T</nameOfIssuer>
    <titleOfClass>SR LN ETF</titleOfClass>
    <cusip>46138G508</cusip>
    <value>7078</value>
    <shrsOrPrnAmt>
      <sshPrnamt>331508</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>331508</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>READY CAPITAL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75574U101</cusip>
    <value>18</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIRIUS XM HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>82968B103</cusip>
    <value>168</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1083100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1083100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CALAVO GROWERS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>128246105</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>40100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>40100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ETF SER SOLUTIONS</nameOfIssuer>
    <titleOfClass>US GLB JETS</titleOfClass>
    <cusip>26922A842</cusip>
    <value>59</value>
    <shrsOrPrnAmt>
      <sshPrnamt>34500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>34500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALASKA AIR GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>011659109</cusip>
    <value>239</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LINCOLN NATL CORP IND</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>534187109</cusip>
    <value>86</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAL EDUCATION GROUP</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>874080104</cusip>
    <value>1721</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25168</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25168</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TOWER SEMICONDUCTOR LTD</nameOfIssuer>
    <titleOfClass>SHS NEW</titleOfClass>
    <cusip>M87915274</cusip>
    <value>297</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15539</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15539</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIVONGO HEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>539183103</cusip>
    <value>444</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INFOSYS LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>456788108</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TOWER SEMICONDUCTOR LTD</nameOfIssuer>
    <titleOfClass>SHS NEW</titleOfClass>
    <cusip>M87915274</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CRESTWOOD EQUITY PARTNERS LP</nameOfIssuer>
    <titleOfClass>UNIT LTD PARTNER</titleOfClass>
    <cusip>226344208</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HAWAIIAN HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>419879101</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAPESTRY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>876030107</cusip>
    <value>96</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APOLLO GLOBAL MGMT INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>03768E105</cusip>
    <value>884</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17717</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17717</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLUEPRINT MEDICINES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09627Y109</cusip>
    <value>1093</value>
    <shrsOrPrnAmt>
      <sshPrnamt>61900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>61900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INFINERA CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45667G103</cusip>
    <value>247</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41675</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41675</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOEING CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>097023105</cusip>
    <value>2442</value>
    <shrsOrPrnAmt>
      <sshPrnamt>207900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>207900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI SINGPOR ETF</titleOfClass>
    <cusip>46434G780</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QURATE RETAIL INC</nameOfIssuer>
    <titleOfClass>COM SER A</titleOfClass>
    <cusip>74915M100</cusip>
    <value>226</value>
    <shrsOrPrnAmt>
      <sshPrnamt>209100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>209100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMKOR TECHNOLOGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>031652100</cusip>
    <value>54</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DISCOVER FINL SVCS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>254709108</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOEING CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>097023105</cusip>
    <value>5591</value>
    <shrsOrPrnAmt>
      <sshPrnamt>372300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>372300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NATIONAL OILWELL VARCO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>637071101</cusip>
    <value>37</value>
    <shrsOrPrnAmt>
      <sshPrnamt>174600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>174600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HEXO CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>428304109</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>159600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>159600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MOMO INC</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>60879B107</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLOUDFLARE INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>18915M107</cusip>
    <value>2439</value>
    <shrsOrPrnAmt>
      <sshPrnamt>67839</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>67839</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALBEMARLE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>012653101</cusip>
    <value>805</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10428</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10428</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TEEKAY TANKERS LTD</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>Y8565N300</cusip>
    <value>43</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DENNYS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>24869P104</cusip>
    <value>113</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONCHO RES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>20605P101</cusip>
    <value>267</value>
    <shrsOrPrnAmt>
      <sshPrnamt>471400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>471400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NUSTAR ENERGY LP</nameOfIssuer>
    <titleOfClass>UNIT COM</titleOfClass>
    <cusip>67058H102</cusip>
    <value>43</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ORCHID IS CAP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68571X103</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BROOKFIELD ASSET MGMT INC</nameOfIssuer>
    <titleOfClass>CL A LTD VT SH</titleOfClass>
    <cusip>112585104</cusip>
    <value>331</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10054</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10054</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HECLA MNG CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>422704106</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>91400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>91400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI BRAZIL ETF</titleOfClass>
    <cusip>464286400</cusip>
    <value>563</value>
    <shrsOrPrnAmt>
      <sshPrnamt>252700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>252700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAKEDA PHARMACEUTICAL CO LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>874060205</cusip>
    <value>858</value>
    <shrsOrPrnAmt>
      <sshPrnamt>545427</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>545427</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OKTA INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>679295105</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENDO INTL PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G30401106</cusip>
    <value>19</value>
    <shrsOrPrnAmt>
      <sshPrnamt>526400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>526400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DCP MIDSTREAM LLC</nameOfIssuer>
    <titleOfClass>COM UT LTD PTN</titleOfClass>
    <cusip>23311P100</cusip>
    <value>20</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SOLENO THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>834203200</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COUPA SOFTWARE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>22266L106</cusip>
    <value>81</value>
    <shrsOrPrnAmt>
      <sshPrnamt>59300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>59300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MADISON SQUARE GRDN SPRT COR</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>55825T103</cusip>
    <value>77</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TILRAY INC</nameOfIssuer>
    <titleOfClass>COM CL 2</titleOfClass>
    <cusip>88688T100</cusip>
    <value>336</value>
    <shrsOrPrnAmt>
      <sshPrnamt>45600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>45600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FUNKO INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>361008105</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CANADA GOOSE HLDGS INC</nameOfIssuer>
    <titleOfClass>SHS SUB VTG</titleOfClass>
    <cusip>135086106</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>GOLD MINERS ETF</titleOfClass>
    <cusip>92189F106</cusip>
    <value>2739</value>
    <shrsOrPrnAmt>
      <sshPrnamt>597300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>597300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ACTIVISION BLIZZARD INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00507V109</cusip>
    <value>248</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PAGSEGURO DIGITAL LTD</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>G68707101</cusip>
    <value>73</value>
    <shrsOrPrnAmt>
      <sshPrnamt>83800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>83800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FOSSIL GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>34988V106</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENBRIDGE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29250N105</cusip>
    <value>410</value>
    <shrsOrPrnAmt>
      <sshPrnamt>53500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>53500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BP PLC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>055622104</cusip>
    <value>1611</value>
    <shrsOrPrnAmt>
      <sshPrnamt>69095</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>69095</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR II</nameOfIssuer>
    <titleOfClass>SHT VIX ST TRM</titleOfClass>
    <cusip>74347W130</cusip>
    <value>2038</value>
    <shrsOrPrnAmt>
      <sshPrnamt>74200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>74200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CISCO SYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>17275R102</cusip>
    <value>310</value>
    <shrsOrPrnAmt>
      <sshPrnamt>115300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>115300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NUANCE COMMUNICATIONS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>67020Y100</cusip>
    <value>64</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MURPHY OIL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>626717102</cusip>
    <value>48</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLOVIS ONCOLOGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>189464100</cusip>
    <value>505</value>
    <shrsOrPrnAmt>
      <sshPrnamt>175700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>175700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALIBABA GROUP HLDG LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>01609W102</cusip>
    <value>9341</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1566600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1566600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FLUIDIGM CORP DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>34385P108</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR GOLD TR</nameOfIssuer>
    <titleOfClass>GOLD SHS</titleOfClass>
    <cusip>78463V107</cusip>
    <value>164</value>
    <shrsOrPrnAmt>
      <sshPrnamt>115700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>115700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STARBUCKS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>855244109</cusip>
    <value>108</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CBRE GROUP INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>12504L109</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MOSAIC CO NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>61945C103</cusip>
    <value>545</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43595</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43595</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CO-DIAGNOSTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>189763105</cusip>
    <value>28</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADVISORSHARES TR</nameOfIssuer>
    <titleOfClass>RANGER EQUITY BE</titleOfClass>
    <cusip>00768Y883</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENANTA PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29251M106</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SUNCOR ENERGY INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>867224107</cusip>
    <value>284</value>
    <shrsOrPrnAmt>
      <sshPrnamt>253600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>253600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIMON PPTY GROUP INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>828806109</cusip>
    <value>556</value>
    <shrsOrPrnAmt>
      <sshPrnamt>152600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>152600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY S&amp;P OIL GAS</titleOfClass>
    <cusip>25460E174</cusip>
    <value>40</value>
    <shrsOrPrnAmt>
      <sshPrnamt>57600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>57600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>O-I GLASS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>67098H104</cusip>
    <value>503</value>
    <shrsOrPrnAmt>
      <sshPrnamt>56047</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>56047</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EDGEWELL PERS CARE CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>28035Q102</cusip>
    <value>2151</value>
    <shrsOrPrnAmt>
      <sshPrnamt>69042</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>69042</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BRIGGS &amp; STRATTON CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>109043109</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HANNON ARMSTRONG SUST INFR C</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>41068X100</cusip>
    <value>125</value>
    <shrsOrPrnAmt>
      <sshPrnamt>53000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>53000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ARES CAPITAL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04010L103</cusip>
    <value>351</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24258</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24258</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SORRENTO THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>83587F202</cusip>
    <value>536</value>
    <shrsOrPrnAmt>
      <sshPrnamt>199700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>199700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONSTELLIUM SE</nameOfIssuer>
    <titleOfClass>CL A SHS</titleOfClass>
    <cusip>F21107101</cusip>
    <value>639</value>
    <shrsOrPrnAmt>
      <sshPrnamt>83263</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>83263</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KIRKLAND LAKE GOLD LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>49741E100</cusip>
    <value>368</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12703</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12703</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SEAGATE TECHNOLOGY PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G7945M107</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SOUTHERN CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>842587107</cusip>
    <value>31</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TOLL BROTHERS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>889478103</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EURONAV NV ANTWERPEN</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>B38564108</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APTIV PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G6095L109</cusip>
    <value>1266</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16247</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16247</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EXPRESS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30219E103</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BIOGEN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09062X103</cusip>
    <value>395</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEUROCRINE BIOSCIENCES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>64125C109</cusip>
    <value>1838</value>
    <shrsOrPrnAmt>
      <sshPrnamt>58700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>58700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>THE TRADE DESK INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>88339J105</cusip>
    <value>180</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RIOT BLOCKCHAIN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>767292105</cusip>
    <value>60</value>
    <shrsOrPrnAmt>
      <sshPrnamt>99100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>99100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEWY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>16679L109</cusip>
    <value>36</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COTY INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>222070203</cusip>
    <value>2067</value>
    <shrsOrPrnAmt>
      <sshPrnamt>424900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>424900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAESARS ENTMT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>127686103</cusip>
    <value>67</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TALOS ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87484T108</cusip>
    <value>53</value>
    <shrsOrPrnAmt>
      <sshPrnamt>125000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>125000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SQUARE INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>852234103</cusip>
    <value>98</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CIGNA CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>125523100</cusip>
    <value>1084</value>
    <shrsOrPrnAmt>
      <sshPrnamt>63000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>63000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEFS WHSE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>163086101</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEW YORK CMNTY BANCORP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>649445103</cusip>
    <value>99</value>
    <shrsOrPrnAmt>
      <sshPrnamt>64700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>64700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EBAY INC.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>278642103</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ASTRAZENECA PLC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>046353108</cusip>
    <value>97</value>
    <shrsOrPrnAmt>
      <sshPrnamt>57800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>57800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIBERTY GLOBAL PLC</nameOfIssuer>
    <titleOfClass>SHS CL A</titleOfClass>
    <cusip>G5480U104</cusip>
    <value>835</value>
    <shrsOrPrnAmt>
      <sshPrnamt>38217</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>38217</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MICRON TECHNOLOGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>595112103</cusip>
    <value>440</value>
    <shrsOrPrnAmt>
      <sshPrnamt>290500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>290500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPORTSMANS WHSE HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>84920Y106</cusip>
    <value>308</value>
    <shrsOrPrnAmt>
      <sshPrnamt>92700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>92700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CARVANA CO</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>146869102</cusip>
    <value>1778</value>
    <shrsOrPrnAmt>
      <sshPrnamt>502200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>502200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CANOPY GROWTH CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>138035100</cusip>
    <value>236</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BK OF AMERICA CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>060505104</cusip>
    <value>633</value>
    <shrsOrPrnAmt>
      <sshPrnamt>226800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>226800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LEVI STRAUSS &amp; CO NEW</nameOfIssuer>
    <titleOfClass>CL A COM STK</titleOfClass>
    <cusip>52736R102</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY SEMICNDTR BR</titleOfClass>
    <cusip>25460E182</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOBLE CORP PLC</nameOfIssuer>
    <titleOfClass>SHS USD</titleOfClass>
    <cusip>G65431101</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STEEL DYNAMICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>858119100</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALCOA CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>013872106</cusip>
    <value>72</value>
    <shrsOrPrnAmt>
      <sshPrnamt>66800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>66800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONDUENT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>206787103</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APOLLO GLOBAL MGMT INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>03768E105</cusip>
    <value>340</value>
    <shrsOrPrnAmt>
      <sshPrnamt>92000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>92000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OVERSTOCK COM INC DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>690370101</cusip>
    <value>242</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENERAL MTRS CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>37045V100</cusip>
    <value>1230</value>
    <shrsOrPrnAmt>
      <sshPrnamt>132300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>132300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OWENS &amp; MINOR INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>690732102</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SANDSTORM GOLD LTD</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>80013R206</cusip>
    <value>102</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANTERO MIDSTREAM CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03676B102</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIGITAL ALLY INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>25382P208</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MASCO CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>574599106</cusip>
    <value>63</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TESLA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>88160R101</cusip>
    <value>6490</value>
    <shrsOrPrnAmt>
      <sshPrnamt>628600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>628600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROOFPOINT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>743424103</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>38000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>38000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOOKING HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09857L108</cusip>
    <value>11582</value>
    <shrsOrPrnAmt>
      <sshPrnamt>73200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>73200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COEUR MNG INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>192108504</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MASTERCARD INCORPORATED</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>57636Q104</cusip>
    <value>387</value>
    <shrsOrPrnAmt>
      <sshPrnamt>90000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>90000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>RUSSELL 2000 ETF</titleOfClass>
    <cusip>464287655</cusip>
    <value>444</value>
    <shrsOrPrnAmt>
      <sshPrnamt>144600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>144600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FEDEX CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>31428X106</cusip>
    <value>294</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GULFPORT ENERGY CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>402635304</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SMITH &amp; WESSON BRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>831754106</cusip>
    <value>245</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FORD MTR CO DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>345370860</cusip>
    <value>606</value>
    <shrsOrPrnAmt>
      <sshPrnamt>99643</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>99643</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RAMBUS INC DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>750917106</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PALO ALTO NETWORKS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>697435105</cusip>
    <value>3047</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13267</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13267</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APPIAN CORP</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>03782L101</cusip>
    <value>39</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VIRGIN GALACTIC HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>92766K106</cusip>
    <value>563</value>
    <shrsOrPrnAmt>
      <sshPrnamt>34464</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>34464</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TENNECO INC</nameOfIssuer>
    <titleOfClass>CL A VTG COM STK</titleOfClass>
    <cusip>880349105</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QUDIAN INC</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>747798106</cusip>
    <value>113</value>
    <shrsOrPrnAmt>
      <sshPrnamt>115400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>115400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ARROWHEAD PHARMACEUTICALS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04280A100</cusip>
    <value>106</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PHILIP MORRIS INTL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>718172109</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AVIS BUDGET GROUP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>053774105</cusip>
    <value>5852</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1137000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1137000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARKER THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>57055L107</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLEVELAND CLIFFS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>185899101</cusip>
    <value>52</value>
    <shrsOrPrnAmt>
      <sshPrnamt>108860</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>108860</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANTERO RESOURCES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03674X106</cusip>
    <value>31</value>
    <shrsOrPrnAmt>
      <sshPrnamt>60400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>60400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>OIL GAS BL 2X SH</titleOfClass>
    <cusip>25460G500</cusip>
    <value>735</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21419</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21419</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BARRICK GOLD CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>067901108</cusip>
    <value>3598</value>
    <shrsOrPrnAmt>
      <sshPrnamt>430900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>430900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FASTLY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>31188V100</cusip>
    <value>997</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KRANESHARES TR</nameOfIssuer>
    <titleOfClass>CSI CHI INTERNET</titleOfClass>
    <cusip>500767306</cusip>
    <value>265</value>
    <shrsOrPrnAmt>
      <sshPrnamt>148100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>148100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MATADOR RES CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>576485205</cusip>
    <value>188</value>
    <shrsOrPrnAmt>
      <sshPrnamt>101800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>101800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARRIOTT INTL INC NEW</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>571903202</cusip>
    <value>161</value>
    <shrsOrPrnAmt>
      <sshPrnamt>376900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>376900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PARKER HANNIFIN CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>701094104</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PARK HOTELS RESORTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>700517105</cusip>
    <value>50</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BECTON DICKINSON &amp; CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>075887109</cusip>
    <value>162</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AUTOZONE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>053332102</cusip>
    <value>1666</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MSCI INDIA ETF</titleOfClass>
    <cusip>46429B598</cusip>
    <value>43</value>
    <shrsOrPrnAmt>
      <sshPrnamt>54700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>54700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TOLL BROTHERS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>889478103</cusip>
    <value>43</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SEAWORLD ENTMT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>81282V100</cusip>
    <value>49</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANHEUSER BUSCH INBEV SA/NV</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>03524A108</cusip>
    <value>180</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LAUDER ESTEE COS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>518439104</cusip>
    <value>217</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IMMUNOMEDICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>452907108</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>58800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>58800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SALESFORCE COM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>79466L302</cusip>
    <value>133</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28880</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28880</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>20 YR TR BD ETF</titleOfClass>
    <cusip>464287432</cusip>
    <value>3616</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1154500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1154500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ELDORADO RESORTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>28470R102</cusip>
    <value>102</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FUELCELL ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>35952H601</cusip>
    <value>234</value>
    <shrsOrPrnAmt>
      <sshPrnamt>103500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>103500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PARSLEY ENERGY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>701877102</cusip>
    <value>286</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26753</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26753</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AXALTA COATING SYS LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G0750C108</cusip>
    <value>4642</value>
    <shrsOrPrnAmt>
      <sshPrnamt>205864</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>205864</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOYD GAMING CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>103304101</cusip>
    <value>112</value>
    <shrsOrPrnAmt>
      <sshPrnamt>59100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>59100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>SP BIOTCH BL NEW</titleOfClass>
    <cusip>25490K323</cusip>
    <value>755</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PINTEREST INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>72352L106</cusip>
    <value>369</value>
    <shrsOrPrnAmt>
      <sshPrnamt>109200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>109200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>8X8 INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>282914100</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DARDEN RESTAURANTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>237194105</cusip>
    <value>444</value>
    <shrsOrPrnAmt>
      <sshPrnamt>89700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>89700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOPRO INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>38268T103</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIQUIDITY SERVICES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>53635B107</cusip>
    <value>26</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANNALY CAPITAL MANAGEMENT IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>035710409</cusip>
    <value>225</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1602700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1602700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MACERICH CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>554382101</cusip>
    <value>112</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENWORTH FINL INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>37247D106</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>64300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>64300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLOOM ENERGY CORP</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>093712107</cusip>
    <value>166</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ROYAL BK CDA</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>780087102</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CREDIT SUISSE NASSAU BRANCH</nameOfIssuer>
    <titleOfClass>XLNKS REIT ETN36</titleOfClass>
    <cusip>22539T282</cusip>
    <value>786</value>
    <shrsOrPrnAmt>
      <sshPrnamt>216419</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>216419</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>RUSSIA ETF</titleOfClass>
    <cusip>92189F403</cusip>
    <value>1041</value>
    <shrsOrPrnAmt>
      <sshPrnamt>410100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>410100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BEIGENE LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>07725L102</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO QQQ TR</nameOfIssuer>
    <titleOfClass>UNIT SER 1</titleOfClass>
    <cusip>46090E103</cusip>
    <value>10841</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43783</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43783</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHECK POINT SOFTWARE TECH LT</nameOfIssuer>
    <titleOfClass>ORD</titleOfClass>
    <cusip>M22465104</cusip>
    <value>2409</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22424</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22424</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROCTER AND GAMBLE CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>742718109</cusip>
    <value>902</value>
    <shrsOrPrnAmt>
      <sshPrnamt>493000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>493000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IOVANCE BIOTHERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>462260100</cusip>
    <value>15</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TUPPERWARE BRANDS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>899896104</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>55000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>55000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>T-MOBILE US INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>872590104</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41460</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41460</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HOWARD HUGHES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>44267D107</cusip>
    <value>1139</value>
    <shrsOrPrnAmt>
      <sshPrnamt>415400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>415400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIDELITY NATL INFORMATION SV</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>31620M106</cusip>
    <value>3495</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26068</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26068</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GAMESTOP CORP NEW</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>36467W109</cusip>
    <value>50</value>
    <shrsOrPrnAmt>
      <sshPrnamt>132200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>132200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CRONOS GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>22717L101</cusip>
    <value>40</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN AIRLS GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02376R102</cusip>
    <value>2805</value>
    <shrsOrPrnAmt>
      <sshPrnamt>906000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>906000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BEIGENE LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>07725L102</cusip>
    <value>139</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MADISON SQUARE GRDN SPRT COR</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>55825T103</cusip>
    <value>448</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>3M CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>88579Y101</cusip>
    <value>1702</value>
    <shrsOrPrnAmt>
      <sshPrnamt>168000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>168000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BANCO SANTANDER S.A.</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>05964H105</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>62700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>62700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PARSLEY ENERGY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>701877102</cusip>
    <value>124</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SOUTHWESTERN ENERGY CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>845467109</cusip>
    <value>901</value>
    <shrsOrPrnAmt>
      <sshPrnamt>352006</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>352006</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ARCELORMITTAL SA LUXEMBOURG</nameOfIssuer>
    <titleOfClass>NY REGISTRY SH</titleOfClass>
    <cusip>03938L203</cusip>
    <value>347</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32338</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32338</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>BARCLAYS 7 10 YR</titleOfClass>
    <cusip>464287440</cusip>
    <value>89</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BRAINSTORM CELL THERAPEUTICS</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>10501E201</cusip>
    <value>35</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IDEANOMICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45166V106</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>NATIONAL MUN ETF</titleOfClass>
    <cusip>464288414</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENVISTA HOLDINGS CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29415F104</cusip>
    <value>658</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31208</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31208</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEETAH MOBILE INC</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>163075104</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADOBE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00724F101</cusip>
    <value>152</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TRONOX HOLDINGS PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G9087Q102</cusip>
    <value>559</value>
    <shrsOrPrnAmt>
      <sshPrnamt>77424</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>77424</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NIKOLA CORP</nameOfIssuer>
    <titleOfClass>*W EXP 06/03/202</titleOfClass>
    <cusip>654110113</cusip>
    <value>6477</value>
    <shrsOrPrnAmt>
      <sshPrnamt>195084</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>195084</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GASLOG LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G37585109</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALLEGHENY TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>01741R102</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EDITAS MEDICINE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>28106W103</cusip>
    <value>50</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CVS HEALTH CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>126650100</cusip>
    <value>376</value>
    <shrsOrPrnAmt>
      <sshPrnamt>226400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>226400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PAGERDUTY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>69553P100</cusip>
    <value>292</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10211</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10211</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DELTA AIR LINES INC DEL</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>247361702</cusip>
    <value>1191</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42456</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42456</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KIMCO RLTY CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>49446R109</cusip>
    <value>18</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHENIERE ENERGY INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>16411R208</cusip>
    <value>266</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HUNTINGTON BANCSHARES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>446150104</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BIOGEN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09062X103</cusip>
    <value>101</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAPRI HOLDINGS LIMITED</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G1890L107</cusip>
    <value>42</value>
    <shrsOrPrnAmt>
      <sshPrnamt>66300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>66300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LOCKHEED MARTIN CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>539830109</cusip>
    <value>174</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>GOLD MINERS ETF</titleOfClass>
    <cusip>92189F106</cusip>
    <value>8667</value>
    <shrsOrPrnAmt>
      <sshPrnamt>236280</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>236280</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALLY FINL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02005N100</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOSTON SCIENTIFIC CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>101137107</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APACHE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>037411105</cusip>
    <value>475</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35203</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35203</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>ULTRAPRO QQQ</titleOfClass>
    <cusip>74347X831</cusip>
    <value>2097</value>
    <shrsOrPrnAmt>
      <sshPrnamt>92600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>92600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONTANGO OIL &amp; GAS CO</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>21075N204</cusip>
    <value>84</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>YAMANA GOLD INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>98462Y100</cusip>
    <value>331</value>
    <shrsOrPrnAmt>
      <sshPrnamt>60662</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>60662</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STAMPS COM INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>852857200</cusip>
    <value>348</value>
    <shrsOrPrnAmt>
      <sshPrnamt>6300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>6300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RANGE RES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75281A109</cusip>
    <value>704</value>
    <shrsOrPrnAmt>
      <sshPrnamt>125090</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>125090</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLOCK H &amp; R INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>093671105</cusip>
    <value>33</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AXSOME THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>05464T104</cusip>
    <value>1246</value>
    <shrsOrPrnAmt>
      <sshPrnamt>112300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>112300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>3-D SYS CORP DEL</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>88554D205</cusip>
    <value>33</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PHILLIPS 66</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>718546104</cusip>
    <value>88</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OASIS PETROLEUM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>674215108</cusip>
    <value>284</value>
    <shrsOrPrnAmt>
      <sshPrnamt>378333</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>378333</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CROWDSTRIKE HLDGS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>22788C105</cusip>
    <value>116</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APOLLO INVT CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>03761U502</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOSSAMER BIO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>38341P102</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALLY FINL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02005N100</cusip>
    <value>431</value>
    <shrsOrPrnAmt>
      <sshPrnamt>143100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>143100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PRECIGEN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74017N105</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BROADCOM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>11135F101</cusip>
    <value>391</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEPTUNE WELLNESS SOLUTIONS I</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>64079L105</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SHAKE SHACK INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>819047101</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PINDUODUO INC</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>722304102</cusip>
    <value>3890</value>
    <shrsOrPrnAmt>
      <sshPrnamt>45317</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>45317</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANNALY CAPITAL MANAGEMENT IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>035710409</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>106300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>106300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALIGN TECHNOLOGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>016255101</cusip>
    <value>204</value>
    <shrsOrPrnAmt>
      <sshPrnamt>5700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>5700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIGITAL TURBINE INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>25400W102</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MASTERCARD INCORPORATED</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>57636Q104</cusip>
    <value>1611</value>
    <shrsOrPrnAmt>
      <sshPrnamt>64700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>64700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADVANSIX INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00773T101</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPIRIT AIRLS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>848577102</cusip>
    <value>328</value>
    <shrsOrPrnAmt>
      <sshPrnamt>79200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>79200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOVAGOLD RES INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>66987E206</cusip>
    <value>214</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23281</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23281</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ARCELORMITTAL SA LUXEMBOURG</nameOfIssuer>
    <titleOfClass>NY REGISTRY SH</titleOfClass>
    <cusip>03938L203</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HONEYWELL INTL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>438516106</cusip>
    <value>79</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOAH HLDGS LTD</nameOfIssuer>
    <titleOfClass>SPON ADS CL A</titleOfClass>
    <cusip>65487X102</cusip>
    <value>3470</value>
    <shrsOrPrnAmt>
      <sshPrnamt>136257</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>136257</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY SMCAP BULL3X</titleOfClass>
    <cusip>25459W847</cusip>
    <value>384</value>
    <shrsOrPrnAmt>
      <sshPrnamt>125300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>125300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FASTLY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>31188V100</cusip>
    <value>157</value>
    <shrsOrPrnAmt>
      <sshPrnamt>39400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>39400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COSAN LTD</nameOfIssuer>
    <titleOfClass>SHS A</titleOfClass>
    <cusip>G25343107</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOLDMAN SACHS GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>38141G104</cusip>
    <value>3263</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16510</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16510</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARATHON PETE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>56585A102</cusip>
    <value>3696</value>
    <shrsOrPrnAmt>
      <sshPrnamt>158400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>158400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOYD GAMING CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>103304101</cusip>
    <value>31</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>20YR TRES BULL</titleOfClass>
    <cusip>25459W540</cusip>
    <value>140</value>
    <shrsOrPrnAmt>
      <sshPrnamt>135700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>135700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MANNKIND CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>56400P706</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>53900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>53900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COMMERCIAL METALS CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>201723103</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SYNCHRONY FINANCIAL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87165B103</cusip>
    <value>275</value>
    <shrsOrPrnAmt>
      <sshPrnamt>86900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>86900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TEEKAY CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>Y8564W103</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>O-I GLASS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>67098H104</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COMMSCOPE HLDG CO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>20337X109</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MACERICH CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>554382101</cusip>
    <value>705</value>
    <shrsOrPrnAmt>
      <sshPrnamt>78598</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>78598</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INTEL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>458140100</cusip>
    <value>80</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ABBOTT LABS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>002824100</cusip>
    <value>95</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BIG LOTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>089302103</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MOSAIC CO NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>61945C103</cusip>
    <value>140</value>
    <shrsOrPrnAmt>
      <sshPrnamt>37000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>37000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EMERSON ELEC CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>291011104</cusip>
    <value>42</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COMSTOCK RES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>205768302</cusip>
    <value>314</value>
    <shrsOrPrnAmt>
      <sshPrnamt>502000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>502000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MACYS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>55616P104</cusip>
    <value>909</value>
    <shrsOrPrnAmt>
      <sshPrnamt>172900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>172900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN AIRLS GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02376R102</cusip>
    <value>3339</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2489800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2489800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ASTRAZENECA PLC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>046353108</cusip>
    <value>178</value>
    <shrsOrPrnAmt>
      <sshPrnamt>59700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>59700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ITAU UNIBANCO HLDG S A</nameOfIssuer>
    <titleOfClass>SPON ADR REP PFD</titleOfClass>
    <cusip>465562106</cusip>
    <value>454</value>
    <shrsOrPrnAmt>
      <sshPrnamt>96763</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>96763</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FORD MTR CO DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>345370860</cusip>
    <value>206</value>
    <shrsOrPrnAmt>
      <sshPrnamt>147300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>147300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVITATION HOMES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46187W107</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>58100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>58100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARRIOTT INTL INC NEW</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>571903202</cusip>
    <value>277</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BANCO SANTANDER S.A.</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>05964H105</cusip>
    <value>72</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARATHON PETE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>56585A102</cusip>
    <value>721</value>
    <shrsOrPrnAmt>
      <sshPrnamt>226700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>226700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ROKU INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>77543R102</cusip>
    <value>596</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ORACLE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>68389X105</cusip>
    <value>80</value>
    <shrsOrPrnAmt>
      <sshPrnamt>47400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>47400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BIOHAVEN PHARMACTL HLDG CO L</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G11196105</cusip>
    <value>2080</value>
    <shrsOrPrnAmt>
      <sshPrnamt>150100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>150100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERICAN AXLE &amp; MFG HLDGS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>024061103</cusip>
    <value>69</value>
    <shrsOrPrnAmt>
      <sshPrnamt>425000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>425000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHINA MOBILE LIMITED</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>16941M109</cusip>
    <value>353</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>YAMANA GOLD INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>98462Y100</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>IQIYI INC</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>46267X108</cusip>
    <value>244</value>
    <shrsOrPrnAmt>
      <sshPrnamt>280400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>280400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DELEK US HLDGS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>24665A103</cusip>
    <value>242</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13910</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13910</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RED ROBIN GOURMET BURGERS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75689M101</cusip>
    <value>55</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EVERI HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30034T103</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TUTOR PERINI CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>901109108</cusip>
    <value>37</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NATURA &amp;CO HLDG S A</nameOfIssuer>
    <titleOfClass>ADS</titleOfClass>
    <cusip>63884N108</cusip>
    <value>367</value>
    <shrsOrPrnAmt>
      <sshPrnamt>127650</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>127650</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ABBOTT LABS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>002824100</cusip>
    <value>147</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALIBABA GROUP HLDG LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>01609W102</cusip>
    <value>742</value>
    <shrsOrPrnAmt>
      <sshPrnamt>97900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>97900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BED BATH &amp; BEYOND INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>075896100</cusip>
    <value>441</value>
    <shrsOrPrnAmt>
      <sshPrnamt>277000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>277000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEVRON CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>166764100</cusip>
    <value>428</value>
    <shrsOrPrnAmt>
      <sshPrnamt>37100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>37100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GLAXOSMITHKLINE PLC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>37733W105</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SQUARE INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>852234103</cusip>
    <value>811</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LAM RESEARCH CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>512807108</cusip>
    <value>80</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAUBMAN CTRS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>876664103</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>136700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>136700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANTERO RESOURCES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03674X106</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NUTRIEN LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>67077M108</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STITCH FIX INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>860897107</cusip>
    <value>125</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIRST MAJESTIC SILVER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>32076V103</cusip>
    <value>71</value>
    <shrsOrPrnAmt>
      <sshPrnamt>47200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>47200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BARRICK GOLD CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>067901108</cusip>
    <value>677</value>
    <shrsOrPrnAmt>
      <sshPrnamt>729700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>729700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BILIBILI INC</nameOfIssuer>
    <titleOfClass>SPONS ADS REP Z</titleOfClass>
    <cusip>090040106</cusip>
    <value>269</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MEDICAL PPTYS TRUST INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>58463J304</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR INDEX SHS FDS</nameOfIssuer>
    <titleOfClass>EURO STOXX 50</titleOfClass>
    <cusip>78463X202</cusip>
    <value>427</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12007</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12007</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR DOW JONES INDL AVERAGE</nameOfIssuer>
    <titleOfClass>UT SER 1</titleOfClass>
    <cusip>78467X109</cusip>
    <value>1456</value>
    <shrsOrPrnAmt>
      <sshPrnamt>90800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>90800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MICROVISION INC DEL</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>594960304</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>59300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>59300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPIRIT AEROSYSTEMS HLDGS INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>848574109</cusip>
    <value>1355</value>
    <shrsOrPrnAmt>
      <sshPrnamt>372400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>372400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REALTY INCOME CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>756109104</cusip>
    <value>96</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ERICSSON</nameOfIssuer>
    <titleOfClass>ADR B SEK 10</titleOfClass>
    <cusip>294821608</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PLANTRONICS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>727493108</cusip>
    <value>39</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GILEAD SCIENCES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>375558103</cusip>
    <value>348</value>
    <shrsOrPrnAmt>
      <sshPrnamt>80900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>80900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CSX CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>126408103</cusip>
    <value>78</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADT INC DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00090Q103</cusip>
    <value>26</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SMARTSHEET INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>83200N103</cusip>
    <value>52</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADIENT PLC</nameOfIssuer>
    <titleOfClass>ORD SHS</titleOfClass>
    <cusip>G0084W101</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ASSERTIO HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04546C106</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>37500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>37500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OCCIDENTAL PETE CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>674599105</cusip>
    <value>864</value>
    <shrsOrPrnAmt>
      <sshPrnamt>354924</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>354924</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DURECT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>266605104</cusip>
    <value>36</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>SP BIOTCH BL NEW</titleOfClass>
    <cusip>25490K323</cusip>
    <value>268</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BARCLAYS PLC</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>06738E204</cusip>
    <value>31</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOBLE CORP PLC</nameOfIssuer>
    <titleOfClass>SHS USD</titleOfClass>
    <cusip>G65431101</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORWEGIAN CRUISE LINE HLDG L</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G66721104</cusip>
    <value>569</value>
    <shrsOrPrnAmt>
      <sshPrnamt>414100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>414100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ERICSSON</nameOfIssuer>
    <titleOfClass>ADR B SEK 10</titleOfClass>
    <cusip>294821608</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NABRIVA THERAPEUTICS PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G63637105</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ARAMARK</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03852U106</cusip>
    <value>137</value>
    <shrsOrPrnAmt>
      <sshPrnamt>90100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>90100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PLUG POWER INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>72919P202</cusip>
    <value>343</value>
    <shrsOrPrnAmt>
      <sshPrnamt>154200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>154200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>US AER DEF ETF</titleOfClass>
    <cusip>464288760</cusip>
    <value>283</value>
    <shrsOrPrnAmt>
      <sshPrnamt>8800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>8800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ATHENEX INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04685N103</cusip>
    <value>28</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIAT CHRYSLER AUTOMOBILES N</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>N31738102</cusip>
    <value>19</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>B2GOLD CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>11777Q209</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AXONICS MODULATION TECHNOLOG</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>05465P101</cusip>
    <value>177</value>
    <shrsOrPrnAmt>
      <sshPrnamt>72300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>72300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MICROSOFT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>594918104</cusip>
    <value>376</value>
    <shrsOrPrnAmt>
      <sshPrnamt>93600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>93600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOKIA CORP</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>654902204</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>136600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>136600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEW RESIDENTIAL INVT CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>64828T201</cusip>
    <value>55</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>OIL SVCS ETF</titleOfClass>
    <cusip>92189H607</cusip>
    <value>1881</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15433</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15433</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ELASTIC N V</nameOfIssuer>
    <titleOfClass>ORD SHS</titleOfClass>
    <cusip>N14506104</cusip>
    <value>7278</value>
    <shrsOrPrnAmt>
      <sshPrnamt>78930</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>78930</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLEARWATER PAPER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>18538R103</cusip>
    <value>744</value>
    <shrsOrPrnAmt>
      <sshPrnamt>86000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>86000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>METLIFE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>59156R108</cusip>
    <value>219</value>
    <shrsOrPrnAmt>
      <sshPrnamt>83600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>83600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JOHNSON &amp; JOHNSON</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>478160104</cusip>
    <value>1136</value>
    <shrsOrPrnAmt>
      <sshPrnamt>76500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>76500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HC2 HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>404139107</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INTERNATIONAL BUSINESS MACHS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>459200101</cusip>
    <value>177</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AURINIA PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>05156V102</cusip>
    <value>31</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HUDSON TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>444144109</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORTHERN DYNASTY MINERALS LT</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>66510M204</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RESTAURANT BRANDS INTL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>76131D103</cusip>
    <value>53</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FARFETCH LTD</nameOfIssuer>
    <titleOfClass>ORD SH CL A</titleOfClass>
    <cusip>30744W107</cusip>
    <value>295</value>
    <shrsOrPrnAmt>
      <sshPrnamt>211100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>211100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EMERSON ELEC CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>291011104</cusip>
    <value>144</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BHP GROUP LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>088606108</cusip>
    <value>63</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DATADOG INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>23804L103</cusip>
    <value>2223</value>
    <shrsOrPrnAmt>
      <sshPrnamt>201900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>201900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QORVO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74736K101</cusip>
    <value>124</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LILLY ELI &amp; CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>532457108</cusip>
    <value>340</value>
    <shrsOrPrnAmt>
      <sshPrnamt>136000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>136000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SCHLUMBERGER LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>806857108</cusip>
    <value>474</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MERCK &amp; CO. INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>58933Y105</cusip>
    <value>150</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAPRI HOLDINGS LIMITED</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G1890L107</cusip>
    <value>7491</value>
    <shrsOrPrnAmt>
      <sshPrnamt>355400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>355400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PULTE GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>745867101</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAESARS ENTMT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>127686103</cusip>
    <value>177</value>
    <shrsOrPrnAmt>
      <sshPrnamt>160700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>160700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLACKBERRY LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09228F103</cusip>
    <value>67</value>
    <shrsOrPrnAmt>
      <sshPrnamt>82900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>82900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CMS ENERGY CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>125896100</cusip>
    <value>32</value>
    <shrsOrPrnAmt>
      <sshPrnamt>53400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>53400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GREAT PANTHER MNG LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>39115V101</cusip>
    <value>75</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LEVI STRAUSS &amp; CO NEW</nameOfIssuer>
    <titleOfClass>CL A COM STK</titleOfClass>
    <cusip>52736R102</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TATA MTRS LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>876568502</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STONECO LTD</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>G85158106</cusip>
    <value>982</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1117700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1117700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LILLY ELI &amp; CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>532457108</cusip>
    <value>7091</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43191</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43191</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FREEPORT-MCMORAN INC</nameOfIssuer>
    <titleOfClass>CL B</titleOfClass>
    <cusip>35671D857</cusip>
    <value>113</value>
    <shrsOrPrnAmt>
      <sshPrnamt>118300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>118300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BRINKER INTL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>109641100</cusip>
    <value>37</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TIVITY HEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>88870R102</cusip>
    <value>139</value>
    <shrsOrPrnAmt>
      <sshPrnamt>55500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>55500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEWMONT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>651639106</cusip>
    <value>271</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36016</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36016</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MFA FINL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>55272X102</cusip>
    <value>31</value>
    <shrsOrPrnAmt>
      <sshPrnamt>175500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>175500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AKAMAI TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00971T101</cusip>
    <value>100</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIRST TR EXCHNG TRADED FD VI</nameOfIssuer>
    <titleOfClass>CEF INCM OPPTY</titleOfClass>
    <cusip>33740F409</cusip>
    <value>505</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26858</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26858</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AZUL S A</nameOfIssuer>
    <titleOfClass>SPONSR ADR PFD</titleOfClass>
    <cusip>05501U106</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LINEAGE CELL THERAPEUTICS IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>53566P109</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GLOBUS MED INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>379577208</cusip>
    <value>67</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOVAGOLD RES INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>66987E206</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIDELITY NATL INFORMATION SV</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>31620M106</cusip>
    <value>70</value>
    <shrsOrPrnAmt>
      <sshPrnamt>59200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>59200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EURONAV NV ANTWERPEN</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>B38564108</cusip>
    <value>78</value>
    <shrsOrPrnAmt>
      <sshPrnamt>324600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>324600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>POWERSHARES DB MULTI-SECTOR</nameOfIssuer>
    <titleOfClass>AGRICULTURE FD</titleOfClass>
    <cusip>46140H106</cusip>
    <value>406</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30094</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30094</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MGM RESORTS INTERNATIONAL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>552953101</cusip>
    <value>241</value>
    <shrsOrPrnAmt>
      <sshPrnamt>178000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>178000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GERON CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>374163103</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SANGAMO THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>800677106</cusip>
    <value>52</value>
    <shrsOrPrnAmt>
      <sshPrnamt>46100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>46100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HANNON ARMSTRONG SUST INFR C</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>41068X100</cusip>
    <value>324</value>
    <shrsOrPrnAmt>
      <sshPrnamt>61600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>61600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PITNEY BOWES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>724479100</cusip>
    <value>35</value>
    <shrsOrPrnAmt>
      <sshPrnamt>65100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>65100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HERBALIFE NUTRITION LTD</nameOfIssuer>
    <titleOfClass>COM SHS</titleOfClass>
    <cusip>G4412G101</cusip>
    <value>165</value>
    <shrsOrPrnAmt>
      <sshPrnamt>74800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>74800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOCUSIGN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>256163106</cusip>
    <value>4529</value>
    <shrsOrPrnAmt>
      <sshPrnamt>255500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>255500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ICAD INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>44934S206</cusip>
    <value>21</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>3 7 YR TREAS BD</titleOfClass>
    <cusip>464288661</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REALOGY HLDGS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75605Y106</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOLDMAN SACHS GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>38141G104</cusip>
    <value>417</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SYNCHRONY FINANCIAL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87165B103</cusip>
    <value>265</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11962</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11962</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROCTER AND GAMBLE CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>742718109</cusip>
    <value>12690</value>
    <shrsOrPrnAmt>
      <sshPrnamt>106130</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>106130</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARATHON OIL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>565849106</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>135700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>135700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MGIC INVT CORP WIS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>552848103</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FERRARI N V</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>N3167Y103</cusip>
    <value>109</value>
    <shrsOrPrnAmt>
      <sshPrnamt>180200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>180200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AVEO PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>053588307</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16010</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16010</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MEDTRONIC PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G5960L103</cusip>
    <value>170</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BIODELIVERY SCIENCES INTL IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09060J106</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARINUS PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>56854Q101</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FACEBOOK INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>30303M102</cusip>
    <value>7554</value>
    <shrsOrPrnAmt>
      <sshPrnamt>266000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>266000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JETBLUE AWYS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>477143101</cusip>
    <value>69</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIVE PRIME THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>33830X104</cusip>
    <value>50</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOMINION ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>25746U109</cusip>
    <value>68</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DUKE ENERGY CORP NEW</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>26441C204</cusip>
    <value>52</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SMILEDIRECTCLUB INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>83192H106</cusip>
    <value>92</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CABOT OIL &amp; GAS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>127097103</cusip>
    <value>97</value>
    <shrsOrPrnAmt>
      <sshPrnamt>95500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>95500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SAGE THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>78667J108</cusip>
    <value>240</value>
    <shrsOrPrnAmt>
      <sshPrnamt>86400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>86400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>ULTRAPRO DOW 30</titleOfClass>
    <cusip>74347G309</cusip>
    <value>70</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>US OIL EQ&amp;SV ETF</titleOfClass>
    <cusip>464288844</cusip>
    <value>714</value>
    <shrsOrPrnAmt>
      <sshPrnamt>82982</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>82982</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SOUTHWESTERN ENERGY CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>845467109</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QUALCOMM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>747525103</cusip>
    <value>1962</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21514</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21514</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>3 7 YR TREAS BD</titleOfClass>
    <cusip>464288661</cusip>
    <value>33</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMC NETWORKS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>00164V103</cusip>
    <value>509</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21747</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21747</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RLJ LODGING TR</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74965L101</cusip>
    <value>691</value>
    <shrsOrPrnAmt>
      <sshPrnamt>73167</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>73167</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VIRGIN GALACTIC HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>92766K106</cusip>
    <value>643</value>
    <shrsOrPrnAmt>
      <sshPrnamt>241300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>241300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INTUITIVE SURGICAL INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>46120E602</cusip>
    <value>2833</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>3M CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>88579Y101</cusip>
    <value>4268</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27362</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27362</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENERPLUS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>292766102</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENLINK MIDSTREAM LLC</nameOfIssuer>
    <titleOfClass>COM UNIT REP LTD</titleOfClass>
    <cusip>29336T100</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>GOLD MINERS ETF</titleOfClass>
    <cusip>92189F106</cusip>
    <value>2050</value>
    <shrsOrPrnAmt>
      <sshPrnamt>587200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>587200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHENIERE ENERGY PARTNERS LP</nameOfIssuer>
    <titleOfClass>COM UNIT</titleOfClass>
    <cusip>16411Q101</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MICRON TECHNOLOGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>595112103</cusip>
    <value>526</value>
    <shrsOrPrnAmt>
      <sshPrnamt>312100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>312100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEESECAKE FACTORY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>163072101</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HUYA INC</nameOfIssuer>
    <titleOfClass>ADS REP SHS A</titleOfClass>
    <cusip>44852D108</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CENOVUS ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>15135U109</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HARLEY DAVIDSON INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>412822108</cusip>
    <value>48</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIMON PPTY GROUP INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>828806109</cusip>
    <value>5356</value>
    <shrsOrPrnAmt>
      <sshPrnamt>78327</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>78327</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CSI COMPRESSCO LP</nameOfIssuer>
    <titleOfClass>COM UNIT</titleOfClass>
    <cusip>12637A103</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MINERVA NEUROSCIENCES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>603380106</cusip>
    <value>16</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MICROCHIP TECHNOLOGY INC.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>595017104</cusip>
    <value>459</value>
    <shrsOrPrnAmt>
      <sshPrnamt>122400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>122400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ING GROEP N.V.</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>456837103</cusip>
    <value>49</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALPS ETF TR</nameOfIssuer>
    <titleOfClass>ALERIAN MLP</titleOfClass>
    <cusip>00162Q452</cusip>
    <value>1690</value>
    <shrsOrPrnAmt>
      <sshPrnamt>456300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>456300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY FIN BULL NEW</titleOfClass>
    <cusip>25459Y694</cusip>
    <value>195</value>
    <shrsOrPrnAmt>
      <sshPrnamt>77100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>77100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KIRKLAND LAKE GOLD LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>49741E100</cusip>
    <value>30</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ROYAL DUTCH SHELL PLC</nameOfIssuer>
    <titleOfClass>SPON ADR B</titleOfClass>
    <cusip>780259107</cusip>
    <value>24</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PAYPAL HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>70450Y103</cusip>
    <value>1937</value>
    <shrsOrPrnAmt>
      <sshPrnamt>74900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>74900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DISNEY WALT CO</nameOfIssuer>
    <titleOfClass>COM DISNEY</titleOfClass>
    <cusip>254687106</cusip>
    <value>818</value>
    <shrsOrPrnAmt>
      <sshPrnamt>177900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>177900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENTERPRISE PRODS PARTNERS L</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>293792107</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DROPBOX INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>26210C104</cusip>
    <value>694</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31897</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31897</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PAPA JOHNS INTL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>698813102</cusip>
    <value>115</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INSEEGO CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45782B104</cusip>
    <value>142</value>
    <shrsOrPrnAmt>
      <sshPrnamt>80900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>80900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INOVIO PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>45773H201</cusip>
    <value>152</value>
    <shrsOrPrnAmt>
      <sshPrnamt>107700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>107700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RITE AID CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>767754872</cusip>
    <value>257</value>
    <shrsOrPrnAmt>
      <sshPrnamt>101550</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>101550</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALTERYX INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>02156B103</cusip>
    <value>6500</value>
    <shrsOrPrnAmt>
      <sshPrnamt>173300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>173300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INFINERA CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45667G103</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOVER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>260003108</cusip>
    <value>60</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHURCH &amp; DWIGHT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>171340102</cusip>
    <value>72</value>
    <shrsOrPrnAmt>
      <sshPrnamt>34200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>34200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PRECIGEN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74017N105</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI STH KOR ETF</titleOfClass>
    <cusip>464286772</cusip>
    <value>41</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CATERPILLAR INC DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>149123101</cusip>
    <value>289</value>
    <shrsOrPrnAmt>
      <sshPrnamt>37500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>37500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SASOL LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>803866300</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SHOPIFY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>82509L107</cusip>
    <value>6237</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BALL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>058498106</cusip>
    <value>35</value>
    <shrsOrPrnAmt>
      <sshPrnamt>44000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>44000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARATHON OIL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>565849106</cusip>
    <value>35</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SUNRUN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>86771W105</cusip>
    <value>1190</value>
    <shrsOrPrnAmt>
      <sshPrnamt>580100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>580100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TRUIST FINL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>89832Q109</cusip>
    <value>56</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10458</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10458</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JETBLUE AWYS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>477143101</cusip>
    <value>49</value>
    <shrsOrPrnAmt>
      <sshPrnamt>51700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>51700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FLOOR &amp; DECOR HLDGS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>339750101</cusip>
    <value>262</value>
    <shrsOrPrnAmt>
      <sshPrnamt>212700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>212700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STMICROELECTRONICS N V</nameOfIssuer>
    <titleOfClass>NY REGISTRY</titleOfClass>
    <cusip>861012102</cusip>
    <value>77</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MSCI ARGENTINA</titleOfClass>
    <cusip>46435G276</cusip>
    <value>470</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22975</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22975</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DBX ETF TR</nameOfIssuer>
    <titleOfClass>XTRACK HRVST CSI</titleOfClass>
    <cusip>233051879</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>85000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>85000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY SCOND 3XBU</titleOfClass>
    <cusip>25459W458</cusip>
    <value>1316</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>UBS AG LONDON BRANCH</nameOfIssuer>
    <titleOfClass>ETRACS ALER MLP</titleOfClass>
    <cusip>90274D382</cusip>
    <value>659</value>
    <shrsOrPrnAmt>
      <sshPrnamt>57602</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>57602</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSPECT CAP CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74348T102</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>56100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>56100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FRANCO NEV CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>351858105</cusip>
    <value>96</value>
    <shrsOrPrnAmt>
      <sshPrnamt>111800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>111800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BAKER HUGHES COMPANY</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>05722G100</cusip>
    <value>1569</value>
    <shrsOrPrnAmt>
      <sshPrnamt>168500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>168500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NGL ENERGY PARTNERS LP</nameOfIssuer>
    <titleOfClass>COM UNIT REPST</titleOfClass>
    <cusip>62913M107</cusip>
    <value>43</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TERADYNE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>880770102</cusip>
    <value>193</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES SILVER TR</nameOfIssuer>
    <titleOfClass>ISHARES</titleOfClass>
    <cusip>46428Q109</cusip>
    <value>1309</value>
    <shrsOrPrnAmt>
      <sshPrnamt>76948</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>76948</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIREEYE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>31816Q101</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SONOS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>83570H108</cusip>
    <value>306</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20924</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20924</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>NATIONAL MUN ETF</titleOfClass>
    <cusip>464288414</cusip>
    <value>41</value>
    <shrsOrPrnAmt>
      <sshPrnamt>60500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>60500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BEYOND MEAT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>08862E109</cusip>
    <value>819</value>
    <shrsOrPrnAmt>
      <sshPrnamt>58900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>58900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VIRGIN GALACTIC HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>92766K106</cusip>
    <value>135</value>
    <shrsOrPrnAmt>
      <sshPrnamt>127100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>127100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HUMANA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>444859102</cusip>
    <value>121</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SANGAMO THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>800677106</cusip>
    <value>77</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MSCI UK ETF NEW</titleOfClass>
    <cusip>46435G334</cusip>
    <value>71</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEESECAKE FACTORY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>163072101</cusip>
    <value>116</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DEUTSCHE BANK A G</nameOfIssuer>
    <titleOfClass>NAMEN AKT</titleOfClass>
    <cusip>D18190898</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MACERICH CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>554382101</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>38300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>38300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>US HOME CONS ETF</titleOfClass>
    <cusip>464288752</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AUTODESK INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>052769106</cusip>
    <value>236</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHINA MOBILE LIMITED</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>16941M109</cusip>
    <value>1333</value>
    <shrsOrPrnAmt>
      <sshPrnamt>39621</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>39621</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FEDEX CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>31428X106</cusip>
    <value>321</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KEYCORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>493267108</cusip>
    <value>25</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORNING INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>219350105</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALTRIA GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02209S103</cusip>
    <value>1215</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30961</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30961</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SM ENERGY CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>78454L100</cusip>
    <value>42</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PELOTON INTERACTIVE INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>70614W100</cusip>
    <value>14919</value>
    <shrsOrPrnAmt>
      <sshPrnamt>843000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>843000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STONEMOR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>86184W106</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COTY INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>222070203</cusip>
    <value>1189</value>
    <shrsOrPrnAmt>
      <sshPrnamt>266061</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>266061</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>YAMANA GOLD INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>98462Y100</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BAUSCH HEALTH COS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>071734107</cusip>
    <value>14</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MYLAN NV</nameOfIssuer>
    <titleOfClass>SHS EURO</titleOfClass>
    <cusip>N59465109</cusip>
    <value>2491</value>
    <shrsOrPrnAmt>
      <sshPrnamt>581800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>581800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI SPAIN ETF</titleOfClass>
    <cusip>464286764</cusip>
    <value>498</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22152</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22152</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI BRAZIL ETF</titleOfClass>
    <cusip>464286400</cusip>
    <value>149</value>
    <shrsOrPrnAmt>
      <sshPrnamt>146900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>146900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COLGATE PALMOLIVE CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>194162103</cusip>
    <value>36</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FORD MTR CO DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>345370860</cusip>
    <value>158</value>
    <shrsOrPrnAmt>
      <sshPrnamt>259200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>259200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ASCENDIS PHARMA A S</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>04351P101</cusip>
    <value>882</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MFA FINL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>55272X102</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SLEEP NUMBER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>83125X103</cusip>
    <value>419</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10064</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10064</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BAOZUN INC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>06684L103</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SAREPTA THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>803607100</cusip>
    <value>51</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MAG SILVER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>55903Q104</cusip>
    <value>47</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CSI COMPRESSCO LP</nameOfIssuer>
    <titleOfClass>COM UNIT</titleOfClass>
    <cusip>12637A103</cusip>
    <value>37</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEW AGE BEVERAGES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>64157V108</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>47400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>47400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CIGNA CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>125523100</cusip>
    <value>156</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALPHABET INC</nameOfIssuer>
    <titleOfClass>CAP STK CL A</titleOfClass>
    <cusip>02079K305</cusip>
    <value>687</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INPHI CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>45772F107</cusip>
    <value>1252</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10655</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10655</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENTEGRIS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29362U104</cusip>
    <value>817</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13829</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13829</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALPS ETF TR</nameOfIssuer>
    <titleOfClass>ALERIAN MLP</titleOfClass>
    <cusip>00162Q452</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>45580</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>45580</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GLOBALSTAR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>378973408</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INDEXIQ ETF TR</nameOfIssuer>
    <titleOfClass>US RL EST SMCP</titleOfClass>
    <cusip>45409B628</cusip>
    <value>251</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13839</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13839</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FITBIT INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>33812L102</cusip>
    <value>138</value>
    <shrsOrPrnAmt>
      <sshPrnamt>500400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>500400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORTHERN DYNASTY MINERALS LT</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>66510M204</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NUCOR CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>670346105</cusip>
    <value>24</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SONOS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>83570H108</cusip>
    <value>44</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GLU MOBILE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>379890106</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>40600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>40600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EATON CORP PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G29183103</cusip>
    <value>35</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RED ROCK RESORTS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>75700L108</cusip>
    <value>17</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAPITAL ONE FINL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>14040H105</cusip>
    <value>292</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KOHLS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>500255104</cusip>
    <value>36</value>
    <shrsOrPrnAmt>
      <sshPrnamt>35000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>35000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>JR GOLD MINERS E</titleOfClass>
    <cusip>92189F791</cusip>
    <value>265</value>
    <shrsOrPrnAmt>
      <sshPrnamt>71000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>71000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JOUNCE THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>481116101</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REGIONS FINANCIAL CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>7591EP100</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HOWARD HUGHES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>44267D107</cusip>
    <value>4873</value>
    <shrsOrPrnAmt>
      <sshPrnamt>163900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>163900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AVADEL PHARMACEUTICALS PLC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>05337M104</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHIMERA INVT CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>16934Q208</cusip>
    <value>166</value>
    <shrsOrPrnAmt>
      <sshPrnamt>105400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>105400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROTALIX BIOTHERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74365A309</cusip>
    <value>112</value>
    <shrsOrPrnAmt>
      <sshPrnamt>140600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>140600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORDIC AMERICAN TANKERS LIMI</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G65773106</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>53100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>53100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SUNCOR ENERGY INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>867224107</cusip>
    <value>139</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIRST TR S&amp;P REIT INDEX FD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>33734G108</cusip>
    <value>685</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32730</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32730</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MONTAGE RES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>61179L100</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ELDORADO GOLD CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>284902509</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEMOURS CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>163851108</cusip>
    <value>204</value>
    <shrsOrPrnAmt>
      <sshPrnamt>496000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>496000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EMBRAER S.A.</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>29082A107</cusip>
    <value>15</value>
    <shrsOrPrnAmt>
      <sshPrnamt>34000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>34000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENBRIDGE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29250N105</cusip>
    <value>601</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19756</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19756</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR GOLD TR</nameOfIssuer>
    <titleOfClass>GOLD SHS</titleOfClass>
    <cusip>78463V107</cusip>
    <value>15073</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2687300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2687300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>CASSAVA SCIENCES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>14817C107</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>154400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>154400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>TIFFANY &amp; CO NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>886547108</cusip>
    <value>2125</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17424</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17424</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>INVESCO EXCHANGE-TRADED FD T</nameOfIssuer>
    <titleOfClass>GBL CLEAN ENRG</titleOfClass>
    <cusip>46138G847</cusip>
    <value>420</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26463</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26463</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>NETFLIX INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>64110L106</cusip>
    <value>313</value>
    <shrsOrPrnAmt>
      <sshPrnamt>43000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>43000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>TAIWAN SEMICONDUCTOR MFG LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>874039100</cusip>
    <value>1921</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33834</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33834</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>AT&amp;T INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00206R102</cusip>
    <value>474</value>
    <shrsOrPrnAmt>
      <sshPrnamt>464600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>464600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CURIS INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>231269200</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DEVON ENERGY CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>25179M103</cusip>
    <value>858</value>
    <shrsOrPrnAmt>
      <sshPrnamt>5600400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>5600400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TARGET CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87612E106</cusip>
    <value>78</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SMILEDIRECTCLUB INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>83192H106</cusip>
    <value>261</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33067</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33067</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TYSON FOODS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>902494103</cusip>
    <value>26</value>
    <shrsOrPrnAmt>
      <sshPrnamt>62800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>62800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BANCO SANTANDER S.A.</nameOfIssuer>
    <titleOfClass>ADR</titleOfClass>
    <cusip>05964H105</cusip>
    <value>225</value>
    <shrsOrPrnAmt>
      <sshPrnamt>93553</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>93553</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EXPEDIA GROUP INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>30212P303</cusip>
    <value>1934</value>
    <shrsOrPrnAmt>
      <sshPrnamt>258200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>258200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHEWY INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>16679L109</cusip>
    <value>148</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SKYWORKS SOLUTIONS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>83088M102</cusip>
    <value>438</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI JPN ETF NEW</titleOfClass>
    <cusip>46434G822</cusip>
    <value>15</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TALOS ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87484T108</cusip>
    <value>302</value>
    <shrsOrPrnAmt>
      <sshPrnamt>470200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>470200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CAPITAL ONE FINL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>14040H105</cusip>
    <value>186</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HONEYWELL INTL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>438516106</cusip>
    <value>98</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TRANSOCEAN LTD</nameOfIssuer>
    <titleOfClass>REG SHS</titleOfClass>
    <cusip>H8817H100</cusip>
    <value>45</value>
    <shrsOrPrnAmt>
      <sshPrnamt>318600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>318600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SCIENTIFIC GAMES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>80874P109</cusip>
    <value>1840</value>
    <shrsOrPrnAmt>
      <sshPrnamt>119016</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>119016</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BROOKFIELD PROPERTY PARTRS L</nameOfIssuer>
    <titleOfClass>UNIT LTD PARTN</titleOfClass>
    <cusip>G16249107</cusip>
    <value>119</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QORVO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74736K101</cusip>
    <value>120</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TEVA PHARMACEUTICAL INDS LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>881624209</cusip>
    <value>152</value>
    <shrsOrPrnAmt>
      <sshPrnamt>498400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>498400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLUEBIRD BIO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09609G100</cusip>
    <value>344</value>
    <shrsOrPrnAmt>
      <sshPrnamt>62300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>62300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HORIZON THERAPEUTICS PUB LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G46188101</cusip>
    <value>1551</value>
    <shrsOrPrnAmt>
      <sshPrnamt>333600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>333600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLINK CHARGING CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09354A100</cusip>
    <value>57</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GDS HLDGS LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>36165L108</cusip>
    <value>375</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OASIS PETROLEUM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>674215108</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SIMON PPTY GROUP INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>828806109</cusip>
    <value>8534</value>
    <shrsOrPrnAmt>
      <sshPrnamt>147400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>147400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AUTODESK INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>052769106</cusip>
    <value>28</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>ULTRASHRT S&amp;P500</titleOfClass>
    <cusip>74347B383</cusip>
    <value>46</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TURTLE BEACH CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>900450206</cusip>
    <value>41</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADVANCED MICRO DEVICES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>007903107</cusip>
    <value>103</value>
    <shrsOrPrnAmt>
      <sshPrnamt>72900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>72900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SOUTHWEST AIRLS CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>844741108</cusip>
    <value>2341</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1042000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1042000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ABERCROMBIE &amp; FITCH CO</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>002896207</cusip>
    <value>241</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22638</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22638</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DISCOVER FINL SVCS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>254709108</cusip>
    <value>4297</value>
    <shrsOrPrnAmt>
      <sshPrnamt>85776</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>85776</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PETROLEO BRASILEIRO SA PETRO</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>71654V408</cusip>
    <value>182</value>
    <shrsOrPrnAmt>
      <sshPrnamt>156400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>156400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ELECTRONIC ARTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>285512109</cusip>
    <value>111</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>UNIQURE NV</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>N90064101</cusip>
    <value>102</value>
    <shrsOrPrnAmt>
      <sshPrnamt>544500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>544500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CELSION CORP</nameOfIssuer>
    <titleOfClass>COM PAR NEW</titleOfClass>
    <cusip>15117N503</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LULULEMON ATHLETICA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>550021109</cusip>
    <value>67</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALPHABET INC</nameOfIssuer>
    <titleOfClass>CAP STK CL C</titleOfClass>
    <cusip>02079K107</cusip>
    <value>1796</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LYFT INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>55087P104</cusip>
    <value>557</value>
    <shrsOrPrnAmt>
      <sshPrnamt>208300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>208300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORTONLIFELOCK INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>668771108</cusip>
    <value>957</value>
    <shrsOrPrnAmt>
      <sshPrnamt>377300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>377300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PRUDENTIAL FINL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>744320102</cusip>
    <value>117</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR INDEX SHS FDS</nameOfIssuer>
    <titleOfClass>EURO STOXX 50</titleOfClass>
    <cusip>78463X202</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOLLAR GEN CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>256677105</cusip>
    <value>4240</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22255</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22255</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HI-CRUSH PARTNERS LP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>428337109</cusip>
    <value>22</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CANOPY GROWTH CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>138035100</cusip>
    <value>20</value>
    <shrsOrPrnAmt>
      <sshPrnamt>57000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>57000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ROYAL CARIBBEAN CRUISES LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>V7780T103</cusip>
    <value>486</value>
    <shrsOrPrnAmt>
      <sshPrnamt>242300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>242300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BLUE APRON HLDGS INC</nameOfIssuer>
    <titleOfClass>CL A NEW</titleOfClass>
    <cusip>09523Q200</cusip>
    <value>27</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPDR SER TR</nameOfIssuer>
    <titleOfClass>S&amp;P BK ETF</titleOfClass>
    <cusip>78464A797</cusip>
    <value>692</value>
    <shrsOrPrnAmt>
      <sshPrnamt>273200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>273200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DAVE &amp; BUSTERS ENTMT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>238337109</cusip>
    <value>37</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COMMUNITY HEALTH SYS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>203668108</cusip>
    <value>9</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHIPOTLE MEXICAN GRILL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>169656105</cusip>
    <value>187</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EXELIXIS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>30161Q104</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DXC TECHNOLOGY CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>23355L106</cusip>
    <value>203</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12294</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12294</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AKCEA THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00972L107</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIBERTY GLOBAL PLC</nameOfIssuer>
    <titleOfClass>SHS CL A</titleOfClass>
    <cusip>G5480U104</cusip>
    <value>319</value>
    <shrsOrPrnAmt>
      <sshPrnamt>65000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>65000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FUELCELL ENERGY INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>35952H601</cusip>
    <value>13</value>
    <shrsOrPrnAmt>
      <sshPrnamt>40300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>40300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DOLLAR GEN CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>256677105</cusip>
    <value>87</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALLY FINL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>02005N100</cusip>
    <value>1691</value>
    <shrsOrPrnAmt>
      <sshPrnamt>85261</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>85261</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>JD.COM INC</nameOfIssuer>
    <titleOfClass>SPON ADR CL A</titleOfClass>
    <cusip>47215P106</cusip>
    <value>80</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOLD FIELDS LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>38059T106</cusip>
    <value>79</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REATA PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>75615P103</cusip>
    <value>58</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MATTEL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>577081102</cusip>
    <value>30</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CENTENE CORP DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>15135B101</cusip>
    <value>28</value>
    <shrsOrPrnAmt>
      <sshPrnamt>17700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>17700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CORBUS PHARMACEUTICALS HLDGS</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>21833P103</cusip>
    <value>521</value>
    <shrsOrPrnAmt>
      <sshPrnamt>190800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>190800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NORDSTROM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>655664100</cusip>
    <value>1249</value>
    <shrsOrPrnAmt>
      <sshPrnamt>481400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>481400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DRIVE SHACK INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>262077100</cusip>
    <value>3</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PEPSICO INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>713448108</cusip>
    <value>10113</value>
    <shrsOrPrnAmt>
      <sshPrnamt>76464</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>76464</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIANA SHIPPING INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>Y2066G104</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DISNEY WALT CO</nameOfIssuer>
    <titleOfClass>COM DISNEY</titleOfClass>
    <cusip>254687106</cusip>
    <value>9400</value>
    <shrsOrPrnAmt>
      <sshPrnamt>84293</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>84293</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>VANECK VECTORS ETF TR</nameOfIssuer>
    <titleOfClass>EGYPT INDX ETF</titleOfClass>
    <cusip>92189F775</cusip>
    <value>362</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15470</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15470</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR II</nameOfIssuer>
    <titleOfClass>ULSHT BLOOMB OIL</titleOfClass>
    <cusip>74347W668</cusip>
    <value>30</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>ELDORADO RESORTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>28470R102</cusip>
    <value>49</value>
    <shrsOrPrnAmt>
      <sshPrnamt>13400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>13400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BANCO BRADESCO S A</nameOfIssuer>
    <titleOfClass>SP ADR PFD NEW</titleOfClass>
    <cusip>059460303</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12210</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12210</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALKERMES PLC</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G01767105</cusip>
    <value>164</value>
    <shrsOrPrnAmt>
      <sshPrnamt>214500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>214500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ADVANCE AUTO PARTS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00751Y106</cusip>
    <value>515</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENERAL MTRS CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>37045V100</cusip>
    <value>1997</value>
    <shrsOrPrnAmt>
      <sshPrnamt>78926</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>78926</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NAVIENT CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>63938C108</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TENNECO INC</nameOfIssuer>
    <titleOfClass>CL A VTG COM STK</titleOfClass>
    <cusip>880349105</cusip>
    <value>26</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIFE STORAGE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>53223X107</cusip>
    <value>1060</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11166</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11166</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MAG SILVER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>55903Q104</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>20YR TRES BULL</titleOfClass>
    <cusip>25459W540</cusip>
    <value>503</value>
    <shrsOrPrnAmt>
      <sshPrnamt>66800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>66800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LYFT INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>55087P104</cusip>
    <value>1522</value>
    <shrsOrPrnAmt>
      <sshPrnamt>293300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>293300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>APOLLO COML REAL EST FIN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03762U105</cusip>
    <value>15</value>
    <shrsOrPrnAmt>
      <sshPrnamt>19200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>19200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENANTA PHARMACEUTICALS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29251M106</cusip>
    <value>1064</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21189</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21189</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AT HOME GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04650Y100</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SQUARE INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>852234103</cusip>
    <value>2943</value>
    <shrsOrPrnAmt>
      <sshPrnamt>28048</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>28048</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RANGE RES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75281A109</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI FRNTR100ETF</titleOfClass>
    <cusip>464286145</cusip>
    <value>743</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30708</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30708</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CHIPOTLE MEXICAN GRILL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>169656105</cusip>
    <value>2163</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SCHWAB CHARLES CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>808513105</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>OKTA INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>679295105</cusip>
    <value>261</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LENDINGTREE INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>52603B107</cusip>
    <value>639</value>
    <shrsOrPrnAmt>
      <sshPrnamt>61500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>61500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>20 YR TR BD ETF</titleOfClass>
    <cusip>464287432</cusip>
    <value>1663</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1283100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1283100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FOOT LOCKER INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>344849104</cusip>
    <value>652</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22346</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22346</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MODERNA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>60770K107</cusip>
    <value>1535</value>
    <shrsOrPrnAmt>
      <sshPrnamt>204800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>204800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI AUST ETF</titleOfClass>
    <cusip>464286103</cusip>
    <value>1599</value>
    <shrsOrPrnAmt>
      <sshPrnamt>82953</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>82953</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LIVE NATION ENTERTAINMENT IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>538034109</cusip>
    <value>2594</value>
    <shrsOrPrnAmt>
      <sshPrnamt>516200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>516200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONCHO RES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>20605P101</cusip>
    <value>1100</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21358</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21358</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PRETIUM RES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74139C102</cusip>
    <value>26</value>
    <shrsOrPrnAmt>
      <sshPrnamt>124300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>124300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DHT HOLDINGS INC</nameOfIssuer>
    <titleOfClass>SHS NEW</titleOfClass>
    <cusip>Y2065G121</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIRST MAJESTIC SILVER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>32076V103</cusip>
    <value>238</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23945</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23945</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EURONAV NV ANTWERPEN</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>B38564108</cusip>
    <value>460</value>
    <shrsOrPrnAmt>
      <sshPrnamt>56451</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>56451</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GOODYEAR TIRE &amp; RUBR CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>382550101</cusip>
    <value>38</value>
    <shrsOrPrnAmt>
      <sshPrnamt>38400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>38400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TAL EDUCATION GROUP</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>874080104</cusip>
    <value>88</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NUANCE COMMUNICATIONS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>67020Y100</cusip>
    <value>63</value>
    <shrsOrPrnAmt>
      <sshPrnamt>252800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>252800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KOSMOS ENERGY LTD</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>500688106</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NOKIA CORP</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>654902204</cusip>
    <value>1924</value>
    <shrsOrPrnAmt>
      <sshPrnamt>437206</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>437206</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MAXAR TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>57778K105</cusip>
    <value>77</value>
    <shrsOrPrnAmt>
      <sshPrnamt>20800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>20800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>ULTRAPRO QQQ</titleOfClass>
    <cusip>74347X831</cusip>
    <value>106</value>
    <shrsOrPrnAmt>
      <sshPrnamt>39400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>39400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KINROSS GOLD CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>496902404</cusip>
    <value>8</value>
    <shrsOrPrnAmt>
      <sshPrnamt>82200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>82200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REDWOOD TR INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>758075402</cusip>
    <value>67</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LAS VEGAS SANDS CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>517834107</cusip>
    <value>70</value>
    <shrsOrPrnAmt>
      <sshPrnamt>81800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>81800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARVELL TECHNOLOGY GROUP LTD</nameOfIssuer>
    <titleOfClass>ORD</titleOfClass>
    <cusip>G5876H105</cusip>
    <value>1037</value>
    <shrsOrPrnAmt>
      <sshPrnamt>29568</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>29568</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CANADA GOOSE HLDGS INC</nameOfIssuer>
    <titleOfClass>SHS SUB VTG</titleOfClass>
    <cusip>135086106</cusip>
    <value>541</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23334</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23334</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DELTA AIR LINES INC DEL</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>247361702</cusip>
    <value>555</value>
    <shrsOrPrnAmt>
      <sshPrnamt>150100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>150100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TELLURIAN INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>87968A104</cusip>
    <value>87</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANNALY CAPITAL MANAGEMENT IN</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>035710409</cusip>
    <value>936</value>
    <shrsOrPrnAmt>
      <sshPrnamt>142688</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>142688</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HOLOGIC INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>436440101</cusip>
    <value>79</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>EBAY INC.</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>278642103</cusip>
    <value>448</value>
    <shrsOrPrnAmt>
      <sshPrnamt>48700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>48700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO LTD</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>G491BT108</cusip>
    <value>60</value>
    <shrsOrPrnAmt>
      <sshPrnamt>30100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>30100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NIELSEN HLDGS PLC</nameOfIssuer>
    <titleOfClass>SHS EUR</titleOfClass>
    <cusip>G6518L108</cusip>
    <value>526</value>
    <shrsOrPrnAmt>
      <sshPrnamt>147400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>147400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>QUALCOMM INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>747525103</cusip>
    <value>882</value>
    <shrsOrPrnAmt>
      <sshPrnamt>69100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>69100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NIKE INC</nameOfIssuer>
    <titleOfClass>CL B</titleOfClass>
    <cusip>654106103</cusip>
    <value>265</value>
    <shrsOrPrnAmt>
      <sshPrnamt>73000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>73000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FRONT YD RESIDENTIAL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>35904G107</cusip>
    <value>107</value>
    <shrsOrPrnAmt>
      <sshPrnamt>40600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>40600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>COSTCO WHSL CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>22160K105</cusip>
    <value>157</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>TESLA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>88160R101</cusip>
    <value>86289</value>
    <shrsOrPrnAmt>
      <sshPrnamt>264900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>264900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DENBURY RES INC</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>247916208</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DYNAVAX TECHNOLOGIES CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>268158201</cusip>
    <value>47</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>RUSSELL 2000 ETF</titleOfClass>
    <cusip>464287655</cusip>
    <value>1127</value>
    <shrsOrPrnAmt>
      <sshPrnamt>162900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>162900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DRAFTKINGS INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>26142R104</cusip>
    <value>180</value>
    <shrsOrPrnAmt>
      <sshPrnamt>113500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>113500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ATHERSYS INC NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04744L106</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENVISTA HOLDINGS CORPORATION</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>29415F104</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HANESBRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>410345102</cusip>
    <value>46</value>
    <shrsOrPrnAmt>
      <sshPrnamt>225800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>225800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIDELITY COVINGTON TR</nameOfIssuer>
    <titleOfClass>MSCI RL EST ETF</titleOfClass>
    <cusip>316092857</cusip>
    <value>421</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18005</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18005</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STONECO LTD</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>G85158106</cusip>
    <value>4353</value>
    <shrsOrPrnAmt>
      <sshPrnamt>112299</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>112299</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DEVON ENERGY CORP NEW</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>25179M103</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>LENDINGCLUB CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>52603A208</cusip>
    <value>51</value>
    <shrsOrPrnAmt>
      <sshPrnamt>22700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>22700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MILLENDO THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>60040X103</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>STANLEY BLACK &amp; DECKER INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>854502101</cusip>
    <value>51</value>
    <shrsOrPrnAmt>
      <sshPrnamt>258700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>258700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ABBVIE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00287Y109</cusip>
    <value>913</value>
    <shrsOrPrnAmt>
      <sshPrnamt>86616</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>86616</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MERCADOLIBRE INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>58733R102</cusip>
    <value>214</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SSR MNG INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>784730103</cusip>
    <value>29</value>
    <shrsOrPrnAmt>
      <sshPrnamt>23200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>23200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>B2GOLD CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>11777Q209</cusip>
    <value>5</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PLANET FITNESS INC</nameOfIssuer>
    <titleOfClass>CL A</titleOfClass>
    <cusip>72703H101</cusip>
    <value>34</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BUNGE LIMITED</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>G16962105</cusip>
    <value>133</value>
    <shrsOrPrnAmt>
      <sshPrnamt>16600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>16600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CATERPILLAR INC DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>149123101</cusip>
    <value>251</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INTL PAPER CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>460146103</cusip>
    <value>384</value>
    <shrsOrPrnAmt>
      <sshPrnamt>124600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>124600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOEING CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>097023105</cusip>
    <value>13714</value>
    <shrsOrPrnAmt>
      <sshPrnamt>74817</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>74817</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SPOTIFY TECHNOLOGY S A</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>L8681T102</cusip>
    <value>594</value>
    <shrsOrPrnAmt>
      <sshPrnamt>21300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>21300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>FIRST MAJESTIC SILVER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>32076V103</cusip>
    <value>77</value>
    <shrsOrPrnAmt>
      <sshPrnamt>34800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>34800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GENWORTH FINL INC</nameOfIssuer>
    <titleOfClass>COM CL A</titleOfClass>
    <cusip>37247D106</cusip>
    <value>1221</value>
    <shrsOrPrnAmt>
      <sshPrnamt>1955900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>1955900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLOUDFLARE INC</nameOfIssuer>
    <titleOfClass>CL A COM</titleOfClass>
    <cusip>18915M107</cusip>
    <value>546</value>
    <shrsOrPrnAmt>
      <sshPrnamt>2704100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>2704100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GSX TECHEDU INC</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>36257Y109</cusip>
    <value>1962</value>
    <shrsOrPrnAmt>
      <sshPrnamt>199500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>199500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MARVELL TECHNOLOGY GROUP LTD</nameOfIssuer>
    <titleOfClass>ORD</titleOfClass>
    <cusip>G5876H105</cusip>
    <value>30</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RUTHS HOSPITALITY GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>783332109</cusip>
    <value>12</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>RH</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>74967X103</cusip>
    <value>2485</value>
    <shrsOrPrnAmt>
      <sshPrnamt>46100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>46100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PAYPAL HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>70450Y103</cusip>
    <value>69</value>
    <shrsOrPrnAmt>
      <sshPrnamt>32400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>32400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BRAINSTORM CELL THERAPEUTICS</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>10501E201</cusip>
    <value>114</value>
    <shrsOrPrnAmt>
      <sshPrnamt>37300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>37300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMARIN CORP PLC</nameOfIssuer>
    <titleOfClass>SPONS ADR NEW</titleOfClass>
    <cusip>023111206</cusip>
    <value>158</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>KELLOGG CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>487836108</cusip>
    <value>798</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12075</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12075</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HOME DEPOT INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>437076102</cusip>
    <value>2473</value>
    <shrsOrPrnAmt>
      <sshPrnamt>68500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>68500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DIREXION SHS ETF TR</nameOfIssuer>
    <titleOfClass>DLY TECH BULL 3X</titleOfClass>
    <cusip>25459W102</cusip>
    <value>320</value>
    <shrsOrPrnAmt>
      <sshPrnamt>6500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>6500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>HIMAX TECHNOLOGIES INC</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>43289P106</cusip>
    <value>15</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25900</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25900</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CATERPILLAR INC DEL</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>149123101</cusip>
    <value>1549</value>
    <shrsOrPrnAmt>
      <sshPrnamt>12249</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>12249</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SUNRUN INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>86771W105</cusip>
    <value>367</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18599</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18599</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>U.S. ENERGY ETF</titleOfClass>
    <cusip>464287796</cusip>
    <value>833</value>
    <shrsOrPrnAmt>
      <sshPrnamt>41621</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>41621</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AT&amp;T INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>00206R102</cusip>
    <value>1503</value>
    <shrsOrPrnAmt>
      <sshPrnamt>627200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>627200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BHP GROUP LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>088606108</cusip>
    <value>112</value>
    <shrsOrPrnAmt>
      <sshPrnamt>26500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>26500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ANHEUSER BUSCH INBEV SA/NV</nameOfIssuer>
    <titleOfClass>SPONSORED ADR</titleOfClass>
    <cusip>03524A108</cusip>
    <value>66</value>
    <shrsOrPrnAmt>
      <sshPrnamt>42500</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>42500</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO EXCHANGE-TRADED FD T</nameOfIssuer>
    <titleOfClass>SR LN ETF</titleOfClass>
    <cusip>46138G508</cusip>
    <value>6</value>
    <shrsOrPrnAmt>
      <sshPrnamt>101800</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>101800</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO EXCH TRADED FD TR II</nameOfIssuer>
    <titleOfClass>GLOBAL WATER</titleOfClass>
    <cusip>46138E651</cusip>
    <value>701</value>
    <shrsOrPrnAmt>
      <sshPrnamt>24404</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>24404</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SCHWAB STRATEGIC TR</nameOfIssuer>
    <titleOfClass>US REIT ETF</titleOfClass>
    <cusip>808524847</cusip>
    <value>2078</value>
    <shrsOrPrnAmt>
      <sshPrnamt>58998</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>58998</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>MIRATI THERAPEUTICS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>60468T105</cusip>
    <value>217</value>
    <shrsOrPrnAmt>
      <sshPrnamt>50100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>50100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>UNIQURE NV</nameOfIssuer>
    <titleOfClass>SHS</titleOfClass>
    <cusip>N90064101</cusip>
    <value>11169</value>
    <shrsOrPrnAmt>
      <sshPrnamt>247868</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>247868</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SERVICENOW INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>81762P102</cusip>
    <value>407</value>
    <shrsOrPrnAmt>
      <sshPrnamt>7200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>7200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CONAGRA BRANDS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>205887102</cusip>
    <value>23</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PROSHARES TR</nameOfIssuer>
    <titleOfClass>PSHS ULTSH 20YRS</titleOfClass>
    <cusip>74347B201</cusip>
    <value>7</value>
    <shrsOrPrnAmt>
      <sshPrnamt>31400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>31400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>CLOUDERA INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>18914U100</cusip>
    <value>2283</value>
    <shrsOrPrnAmt>
      <sshPrnamt>179518</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>179518</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>BOOKING HOLDINGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>09857L108</cusip>
    <value>53593</value>
    <shrsOrPrnAmt>
      <sshPrnamt>33657</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>33657</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ENCORE CAP GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>292554102</cusip>
    <value>159</value>
    <shrsOrPrnAmt>
      <sshPrnamt>68300</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>68300</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>AMERIS BANCORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>03076K108</cusip>
    <value>613</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25978</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25978</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MORTGE REL ETF</titleOfClass>
    <cusip>46435G342</cusip>
    <value>78</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>REMARK HLDGS INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>75955K102</cusip>
    <value>10</value>
    <shrsOrPrnAmt>
      <sshPrnamt>18000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>18000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ALASKA AIR GROUP INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>011659109</cusip>
    <value>444</value>
    <shrsOrPrnAmt>
      <sshPrnamt>198700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>198700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ASPIRA WOMENS HEALTH INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>04537Y109</cusip>
    <value>11</value>
    <shrsOrPrnAmt>
      <sshPrnamt>25200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>25200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>INVESCO MORTGAGE CAPITAL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>46131B100</cusip>
    <value>46</value>
    <shrsOrPrnAmt>
      <sshPrnamt>137600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>137600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>GOODYEAR TIRE &amp; RUBR CO</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>382550101</cusip>
    <value>85</value>
    <shrsOrPrnAmt>
      <sshPrnamt>36200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>36200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>TAIWAN SEMICONDUCTOR MFG LTD</nameOfIssuer>
    <titleOfClass>SPONSORED ADS</titleOfClass>
    <cusip>874039100</cusip>
    <value>76</value>
    <shrsOrPrnAmt>
      <sshPrnamt>38100</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>38100</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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    <nameOfIssuer>ISHARES TR</nameOfIssuer>
    <titleOfClass>MSCI UK ETF NEW</titleOfClass>
    <cusip>46435G334</cusip>
    <value>383</value>
    <shrsOrPrnAmt>
      <sshPrnamt>14867</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>14867</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEW RESIDENTIAL INVT CORP</nameOfIssuer>
    <titleOfClass>COM NEW</titleOfClass>
    <cusip>64828T201</cusip>
    <value>24</value>
    <shrsOrPrnAmt>
      <sshPrnamt>94600</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
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    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>94600</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PAN AMERN SILVER CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>697900108</cusip>
    <value>49</value>
    <shrsOrPrnAmt>
      <sshPrnamt>49700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>49700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>NEWMONT CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>651639106</cusip>
    <value>64</value>
    <shrsOrPrnAmt>
      <sshPrnamt>27864</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>27864</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
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  <infoTable>
    <nameOfIssuer>JOHNSON &amp; JOHNSON</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>478160104</cusip>
    <value>209</value>
    <shrsOrPrnAmt>
      <sshPrnamt>49200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>49200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>DEUTSCHE BANK A G</nameOfIssuer>
    <titleOfClass>NAMEN AKT</titleOfClass>
    <cusip>D18190898</cusip>
    <value>931</value>
    <shrsOrPrnAmt>
      <sshPrnamt>703700</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>703700</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>SEACHANGE INTL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>811699107</cusip>
    <value>1</value>
    <shrsOrPrnAmt>
      <sshPrnamt>15000</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Call</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>15000</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>ISHARES INC</nameOfIssuer>
    <titleOfClass>MSCI TAIWAN ETF</titleOfClass>
    <cusip>46434G772</cusip>
    <value>4</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10200</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10200</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>PRUDENTIAL FINL INC</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>744320102</cusip>
    <value>127</value>
    <shrsOrPrnAmt>
      <sshPrnamt>10400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>10400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
  <infoTable>
    <nameOfIssuer>GLADSTONE CAPITAL CORP</nameOfIssuer>
    <titleOfClass>COM</titleOfClass>
    <cusip>376535100</cusip>
    <value>2</value>
    <shrsOrPrnAmt>
      <sshPrnamt>11400</sshPrnamt>
      <sshPrnamtType>SH</sshPrnamtType>
    </shrsOrPrnAmt>
    <putCall>Put</putCall>
    <investmentDiscretion>SOLE</investmentDiscretion>
    <votingAuthority>
      <Sole>11400</Sole>
      <Shared>0</Shared>
      <None>0</None>
    </votingAuthority>
  </infoTable>
</informationTable>
