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<informationTable xmlns="http://www.sec.gov/edgar/document/thirteenf/informationtable" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"><infoTable><nameOfIssuer>ADOBE SYS INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>00724F101</cusip><value>4355</value><shrsOrPrnAmt><sshPrnamt>59900</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>59900</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ADOBE SYS INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>00724F101</cusip><value>3235</value><shrsOrPrnAmt><sshPrnamt>44500</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>44500</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AFLAC INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>001055102</cusip><value>5468</value><shrsOrPrnAmt><sshPrnamt>89500</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>89500</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AFLAC INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>001055102</cusip><value>1146</value><shrsOrPrnAmt><sshPrnamt>18754</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>18754</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AFLAC INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>001055102</cusip><value>3751</value><shrsOrPrnAmt><sshPrnamt>61400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>61400</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ALLSTATE CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>020002101</cusip><value>5149</value><shrsOrPrnAmt><sshPrnamt>73300</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>73300</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AMERICAN EXPRESS CO</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>025816109</cusip><value>381</value><shrsOrPrnAmt><sshPrnamt>4100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>4100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>AMERICAN EXPRESS CO</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>025816109</cusip><value>3954</value><shrsOrPrnAmt><sshPrnamt>42500</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>42500</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>APACHE CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>037411105</cusip><value>658</value><shrsOrPrnAmt><sshPrnamt>10500</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>10500</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>APACHE CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>037411105</cusip><value>1103</value><shrsOrPrnAmt><sshPrnamt>17600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>17600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>APACHE CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>037411105</cusip><value>1103</value><shrsOrPrnAmt><sshPrnamt>17600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>17600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>ARCELORMITTAL SA LUXEMBOURG</nameOfIssuer><titleOfClass>MAND CV NT 16</titleOfClass><cusip>L0302D178</cusip><value>2630</value><shrsOrPrnAmt><sshPrnamt>150000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>150000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BARCLAYS BK PLC</nameOfIssuer><titleOfClass>IPATH S&amp;P500 VIX</titleOfClass><cusip>06742E711</cusip><value>1029</value><shrsOrPrnAmt><sshPrnamt>32672</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>32672</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BARCLAYS BK PLC</nameOfIssuer><titleOfClass>IPATH S&amp;P500 VIX</titleOfClass><cusip>06742E711</cusip><value>23636</value><shrsOrPrnAmt><sshPrnamt>750100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>750100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BAXTER INTL INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>071813109</cusip><value>337</value><shrsOrPrnAmt><sshPrnamt>4600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>4600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BHP BILLITON LTD</nameOfIssuer><titleOfClass>SPONSORED ADR</titleOfClass><cusip>088606108</cusip><value>2039</value><shrsOrPrnAmt><sshPrnamt>43100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>43100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BHP BILLITON LTD</nameOfIssuer><titleOfClass>SPONSORED ADR</titleOfClass><cusip>088606108</cusip><value>2038</value><shrsOrPrnAmt><sshPrnamt>43068</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>43068</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BHP BILLITON LTD</nameOfIssuer><titleOfClass>SPONSORED ADR</titleOfClass><cusip>088606108</cusip><value>5953</value><shrsOrPrnAmt><sshPrnamt>125800</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>125800</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BIOGEN IDEC INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>09062X103</cusip><value>13816</value><shrsOrPrnAmt><sshPrnamt>40700</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>40700</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BIOGEN IDEC INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>09062X103</cusip><value>8622</value><shrsOrPrnAmt><sshPrnamt>25400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>25400</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BOEING CO</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>097023105</cusip><value>286</value><shrsOrPrnAmt><sshPrnamt>2200</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>2200</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BOEING CO</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>097023105</cusip><value>273</value><shrsOrPrnAmt><sshPrnamt>2100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>2100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BRISTOL MYERS SQUIBB CO</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>110122108</cusip><value>7379</value><shrsOrPrnAmt><sshPrnamt>125000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>125000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BRISTOL MYERS SQUIBB CO</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>110122108</cusip><value>23736</value><shrsOrPrnAmt><sshPrnamt>402100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>402100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BROADCOM CORP</nameOfIssuer><titleOfClass>CL A</titleOfClass><cusip>111320107</cusip><value>6110</value><shrsOrPrnAmt><sshPrnamt>141000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>141000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>BROADCOM CORP</nameOfIssuer><titleOfClass>CL A</titleOfClass><cusip>111320107</cusip><value>3614</value><shrsOrPrnAmt><sshPrnamt>83400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>83400</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CALIFORNIA RES CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>13057Q107</cusip><value>80</value><shrsOrPrnAmt><sshPrnamt>14500</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>14500</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CAPITAL ONE FINL CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>14040H105</cusip><value>5234</value><shrsOrPrnAmt><sshPrnamt>63400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>63400</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CAPITAL ONE FINL CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>14040H105</cusip><value>4672</value><shrsOrPrnAmt><sshPrnamt>56600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>56600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CATERPILLAR INC DEL</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>149123101</cusip><value>293</value><shrsOrPrnAmt><sshPrnamt>3200</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>3200</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CHEVRON CORP NEW</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>166764100</cusip><value>2872</value><shrsOrPrnAmt><sshPrnamt>25600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>25600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CHIPOTLE MEXICAN GRILL INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>169656105</cusip><value>6434</value><shrsOrPrnAmt><sshPrnamt>9400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>9400</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CHIPOTLE MEXICAN GRILL INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>169656105</cusip><value>6092</value><shrsOrPrnAmt><sshPrnamt>8900</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>8900</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CISCO SYS INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>17275R102</cusip><value>2325</value><shrsOrPrnAmt><sshPrnamt>83600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>83600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CITIGROUP INC</nameOfIssuer><titleOfClass>COM NEW</titleOfClass><cusip>172967424</cusip><value>4231</value><shrsOrPrnAmt><sshPrnamt>78200</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>78200</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CITIGROUP INC</nameOfIssuer><titleOfClass>COM NEW</titleOfClass><cusip>172967424</cusip><value>5146</value><shrsOrPrnAmt><sshPrnamt>95100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>95100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CME GROUP INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>12572Q105</cusip><value>4229</value><shrsOrPrnAmt><sshPrnamt>47700</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>47700</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>COACH INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>189754104</cusip><value>342</value><shrsOrPrnAmt><sshPrnamt>9100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>9100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>COACH INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>189754104</cusip><value>894</value><shrsOrPrnAmt><sshPrnamt>23800</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>23800</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CONOCOPHILLIPS</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>20825C104</cusip><value>793</value><shrsOrPrnAmt><sshPrnamt>11485</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>11485</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CONOCOPHILLIPS</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>20825C104</cusip><value>808</value><shrsOrPrnAmt><sshPrnamt>11700</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>11700</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CORNING INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>219350105</cusip><value>3678</value><shrsOrPrnAmt><sshPrnamt>160400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>160400</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CORNING INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>219350105</cusip><value>5299</value><shrsOrPrnAmt><sshPrnamt>231100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>231100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>COVIDIEN PLC</nameOfIssuer><titleOfClass>SHS</titleOfClass><cusip>G2554F113</cusip><value>20732</value><shrsOrPrnAmt><sshPrnamt>202700</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>202700</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>COVIDIEN PLC</nameOfIssuer><titleOfClass>SHS</titleOfClass><cusip>G2554F113</cusip><value>4603</value><shrsOrPrnAmt><sshPrnamt>45000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>45000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CSX CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>126408103</cusip><value>5358</value><shrsOrPrnAmt><sshPrnamt>147900</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>147900</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CSX CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>126408103</cusip><value>1848</value><shrsOrPrnAmt><sshPrnamt>51000</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>51000</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CUMMINS INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>231021106</cusip><value>231</value><shrsOrPrnAmt><sshPrnamt>1600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>1600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>CUMMINS INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>231021106</cusip><value>231</value><shrsOrPrnAmt><sshPrnamt>1600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>1600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>DEERE &amp; CO</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>244199105</cusip><value>217</value><shrsOrPrnAmt><sshPrnamt>2457</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>50500</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>EBAY INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>278642103</cusip><value>286</value><shrsOrPrnAmt><sshPrnamt>5100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>5100</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>EBAY INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>278642103</cusip><value>253</value><shrsOrPrnAmt><sshPrnamt>4500</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>388700</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>FORD MTR CO DEL</nameOfIssuer><titleOfClass>COM PAR $0.01</titleOfClass><cusip>345370860</cusip><value>2816</value><shrsOrPrnAmt><sshPrnamt>181700</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>181700</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>FREEPORT-MCMORAN INC</nameOfIssuer><titleOfClass>CL B</titleOfClass><cusip>35671D857</cusip><value>1688</value><shrsOrPrnAmt><sshPrnamt>72246</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>218200</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>GENERAL ELECTRIC CO</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>369604103</cusip><value>299</value><shrsOrPrnAmt><sshPrnamt>11816</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>147600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>GOLDMAN SACHS GROUP INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>38141G104</cusip><value>4148</value><shrsOrPrnAmt><sshPrnamt>21400</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>95200</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>HALLIBURTON CO</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>406216101</cusip><value>3504</value><shrsOrPrnAmt><sshPrnamt>89100</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>34900</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>HESS CORP</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>42809H107</cusip><value>1807</value><shrsOrPrnAmt><sshPrnamt>24483</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>2600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>METLIFE INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>59156R108</cusip><value>752</value><shrsOrPrnAmt><sshPrnamt>13900</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>10600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>PHILIP MORRIS INTL INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>718172109</cusip><value>945</value><shrsOrPrnAmt><sshPrnamt>11600</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Call</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
		</otherManager><votingAuthority><Sole>11600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>PHILIP MORRIS INTL INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>718172109</cusip><value>247</value><shrsOrPrnAmt><sshPrnamt>3030</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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		</otherManager><votingAuthority><Sole>57600</Sole><Shared>0</Shared><None>0</None></votingAuthority></infoTable><infoTable><nameOfIssuer>QUALCOMM INC</nameOfIssuer><titleOfClass>COM</titleOfClass><cusip>747525103</cusip><value>1033</value><shrsOrPrnAmt><sshPrnamt>13900</sshPrnamt><sshPrnamtType>SH</sshPrnamtType></shrsOrPrnAmt><putCall>Put</putCall><investmentDiscretion>SOLE</investmentDiscretion><otherManager>
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