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       <cusip>444859102</cusip>
       <value>637</value>
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           <sshPrnamt>3600</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>3600</Sole>
           <Shared>0</Shared>
           <None>0</None>
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       <nameOfIssuer>HYG</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>464288513</cusip>
       <value>2042</value>
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           <sshPrnamt>23400</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>23400</Sole>
           <Shared>0</Shared>
           <None>0</None>
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       <nameOfIssuer>IAC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>44919P508</cusip>
       <value>1249</value>
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           <sshPrnamt>20000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>20000</Sole>
           <Shared>0</Shared>
           <None>0</None>
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       <nameOfIssuer>IAG</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>450913108</cusip>
       <value>105</value>
       <shrsOrPrnAmt>
           <sshPrnamt>25913</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>25913</Sole>
           <Shared>0</Shared>
           <None>0</None>
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       <nameOfIssuer>IAU</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>464285105</cusip>
       <value>335</value>
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           <sshPrnamt>26400</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Call</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>26400</Sole>
           <Shared>0</Shared>
           <None>0</None>
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       <nameOfIssuer>IBB</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>464287556</cusip>
       <value>579</value>
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           <sshPrnamt>2000</sshPrnamt>
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       <putCall>Call</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>2000</Sole>
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           <None>0</None>
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       <nameOfIssuer>IBB</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>464287556</cusip>
       <value>492</value>
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           <sshPrnamt>1700</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>1700</Sole>
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           <None>0</None>
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       <nameOfIssuer>IBM</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>459200101</cusip>
       <value>57996</value>
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           <sshPrnamt>365100</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Call</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>365100</Sole>
           <Shared>0</Shared>
           <None>0</None>
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       <nameOfIssuer>IBM</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>459200101</cusip>
       <value>10802</value>
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           <sshPrnamt>68000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>68000</Sole>
           <Shared>0</Shared>
           <None>0</None>
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       <nameOfIssuer>IBN</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>45104G104</cusip>
       <value>194</value>
       <shrsOrPrnAmt>
           <sshPrnamt>25990</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>25990</Sole>
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           <None>0</None>
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       <nameOfIssuer>IBN</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>45104G104</cusip>
       <value>224</value>
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           <sshPrnamt>30000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>30000</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
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       <nameOfIssuer>ICE</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>45866F104</cusip>
       <value>377</value>
       <shrsOrPrnAmt>
           <sshPrnamt>1400</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Call</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>1400</Sole>
           <Shared>0</Shared>
           <None>0</None>
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       <nameOfIssuer>ICE</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>45866F104</cusip>
       <value>1643</value>
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           <sshPrnamt>6100</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>6100</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
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       <nameOfIssuer>ICPT</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>45845P108</cusip>
       <value>988</value>
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           <sshPrnamt>6000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Call</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>6000</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
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       <nameOfIssuer>IDCC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>45867G101</cusip>
       <value>269</value>
       <shrsOrPrnAmt>
           <sshPrnamt>3400</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>3400</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
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       <nameOfIssuer>IMPV</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>45321L100</cusip>
       <value>354</value>
       <shrsOrPrnAmt>
           <sshPrnamt>6600</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Call</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>6600</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
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       <nameOfIssuer>INFY</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>456788108</cusip>
       <value>158</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>
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   <infoTable>
       <nameOfIssuer>INTC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>458140100</cusip>
       <value>15810</value>
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           <sshPrnamt>418800</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Call</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>418800</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
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   <infoTable>
       <nameOfIssuer>INTC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>458140100</cusip>
       <value>1223</value>
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           <sshPrnamt>32400</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>32400</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
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       <titleOfClass>COM</titleOfClass>
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       <value>1800</value>
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           <sshPrnamt>16360</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>16360</Sole>
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           <None>0</None>
       </votingAuthority>
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   <infoTable>
       <nameOfIssuer>INTU</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
       <cusip>461202103</cusip>
       <value>2200</value>
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           <sshPrnamt>20000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>20000</Sole>
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           <None>0</None>
       </votingAuthority>
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           <sshPrnamt>26200</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Call</putCall>
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       <votingAuthority>
           <Sole>26200</Sole>
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           <None>0</None>
       </votingAuthority>
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       <titleOfClass>COM</titleOfClass>
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       <value>857</value>
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           <sshPrnamt>16830</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>16830</Sole>
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           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
       <nameOfIssuer>IOC</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
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       <value>2760</value>
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           <sshPrnamt>54200</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>54200</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
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   <infoTable>
       <nameOfIssuer>IONS</nameOfIssuer>
       <titleOfClass>COM</titleOfClass>
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       <value>278</value>
       <shrsOrPrnAmt>
           <sshPrnamt>7600</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Call</putCall>
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       <votingAuthority>
           <Sole>7600</Sole>
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           <None>0</None>
       </votingAuthority>
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   <infoTable>
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       <titleOfClass>COM</titleOfClass>
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       <value>748</value>
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           <sshPrnamt>15600</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Call</putCall>
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       <votingAuthority>
           <Sole>15600</Sole>
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           <None>0</None>
       </votingAuthority>
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       <titleOfClass>COM</titleOfClass>
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           <sshPrnamt>4000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Put</putCall>
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       <votingAuthority>
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           <None>0</None>
       </votingAuthority>
   </infoTable>
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       <titleOfClass>COM</titleOfClass>
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       <value>241</value>
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           <sshPrnamt>11000</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Call</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>11000</Sole>
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           <None>0</None>
       </votingAuthority>
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       <titleOfClass>COM</titleOfClass>
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       <value>362</value>
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           <sshPrnamt>500</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Call</putCall>
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       <votingAuthority>
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           <None>0</None>
       </votingAuthority>
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   <infoTable>
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       <titleOfClass>COM</titleOfClass>
       <cusip>46120E602</cusip>
       <value>217</value>
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           <sshPrnamt>300</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>300</Sole>
           <Shared>0</Shared>
           <None>0</None>
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       <titleOfClass>COM</titleOfClass>
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       <value>244</value>
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           <sshPrnamt>1965</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
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           <None>0</None>
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       <value>5689</value>
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           <sshPrnamt>45800</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Call</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
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           <None>0</None>
       </votingAuthority>
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   <infoTable>
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       <titleOfClass>COM</titleOfClass>
       <cusip>464287655</cusip>
       <value>5801</value>
       <shrsOrPrnAmt>
           <sshPrnamt>46700</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>46700</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
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       <titleOfClass>COM</titleOfClass>
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       <value>371</value>
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           <sshPrnamt>4600</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Call</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>4600</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
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       <titleOfClass>COM</titleOfClass>
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       <value>788</value>
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           <sshPrnamt>45718</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>45718</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
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       <titleOfClass>COM</titleOfClass>
       <cusip>477143101</cusip>
       <value>633</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>
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       <titleOfClass>COM</titleOfClass>
       <cusip>477143101</cusip>
       <value>878</value>
       <shrsOrPrnAmt>
           <sshPrnamt>50900</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Put</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>50900</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
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       <titleOfClass>COM</titleOfClass>
       <cusip>G51502105</cusip>
       <value>1438</value>
       <shrsOrPrnAmt>
           <sshPrnamt>30913</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
       </shrsOrPrnAmt>
       <putCall>Call</putCall>
       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
           <Sole>30913</Sole>
           <Shared>0</Shared>
           <None>0</None>
       </votingAuthority>
   </infoTable>
   <infoTable>
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       <titleOfClass>COM</titleOfClass>
       <cusip>708160106</cusip>
       <value>126</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>
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       <titleOfClass>COM</titleOfClass>
       <cusip>708160106</cusip>
       <value>392</value>
       <shrsOrPrnAmt>
           <sshPrnamt>42500</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Put</putCall>
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           <sshPrnamt>24900</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Call</putCall>
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       <putCall>Put</putCall>
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           <None>0</None>
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           <sshPrnamt>26672</sshPrnamt>
           <sshPrnamtType>SH</sshPrnamtType>
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       <investmentDiscretion>SOLE</investmentDiscretion>
       <votingAuthority>
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           <None>0</None>
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           <None>0</None>
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           <sshPrnamtType>SH</sshPrnamtType>
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       <votingAuthority>
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           <sshPrnamtType>SH</sshPrnamtType>
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           <sshPrnamtType>SH</sshPrnamtType>
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       <putCall>Put</putCall>
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           <sshPrnamtType>SH</sshPrnamtType>
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           <sshPrnamtType>SH</sshPrnamtType>
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</informationTable>
