C Options History — October 2009

In October 2009, C traded between $40.80 and $50.00. ATM implied volatility averaged 58.6%, placing in the 4.2% IV rank vs the trailing year. The 30-day expected move averaged 14.9%. IV traded above realized volatility by 5.9% (HV 20d: 52.7%). Max pain ranged from $40.00 to $50.00. Net GEX was positive for 22 of 22 trading days. Term structure was in contango for 19 of 22 days. Put/call ratio averaged 0.49.

Notable Days

  • 2009-10-14: Highest Volume — 109,830 contracts
  • 2009-10-15: Largest IV drop — 45.3% change
  • 2009-10-14: Highest IV Rank — 12.8%
  • 2009-10-01: Largest Expected Move — 20.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$45.26$40.80$50.00$45.30$40.90
Max Pain$49.09$40.00$50.00$50.00$50.00
ATM IV58.6%40.2%88.3%72.4%54.8%
Expected Move14.9%11.5%20.7%20.7%15.7%
HV 20d52.7%44.1%64.3%64.3%47.8%
HV 60d68.0%62.6%74.7%74.7%62.6%
IV Rank4.2%0.0%12.8%7.1%5.0%
IV Percentile9.8%0.0%36.9%19.0%4.8%
Term Structure0.9%-6.3%3.3%-6.3%0.5%
VWIV52.9%42.5%71.0%71.0%54.9%
Skew 25d-3.0%-9.1%2.6%-6.1%2.6%
Skew 10d-4.7%-23.0%44.4%-21.5%8.3%
Call IV 25d55.9%42.6%75.7%75.7%61.3%
Put IV 25d52.9%40.7%69.6%69.6%63.8%
Bid-Ask Spread %2.091.322.782.492.48
Gamma HHI0.400.320.560.320.35
Net GEX13.6M5.7M30.8M9.6M6.0M
Net DEX-598.1M-1.22B-191.3M-657.9M-208.4M
Net VEX-8.6M-9.3M-7.7M-8.9M-8.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.490.200.980.620.98
Total Volume60,065.63627,874109,83046,94753,144
Total OI1,292,578.1821,192,9801,378,5961,228,6551,324,103

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2009-10-01$45.30$50.0072.4%20.7%64.3%7.1%71.0%-6.1%-6.3%9.6M-657.9M-8.9M0.622.4928,92018,027774,459454,196
2009-10-02$45.20$50.0066.5%19.1%62.1%4.9%66.4%-1.3%-1.8%9.7M-606.2M-8.8M0.442.2648,66621,394780,413461,844
2009-10-05$46.70$40.0065.4%17.8%63.0%4.5%63.4%-2.4%3.3%12.8M-722.7M-8.9M0.422.2619,6328,242790,332466,904
2009-10-06$46.70$40.0060.0%17.1%61.7%2.6%60.3%-1.5%2.0%14.0M-695.0M-8.7M0.231.9963,42914,410794,159469,330
2009-10-07$46.40$50.0071.1%16.8%61.7%6.6%58.4%-2.3%0.4%14.0M-732.2M-8.9M0.442.7838,77516,930816,220472,048
2009-10-08$46.50$50.0071.0%15.9%61.3%6.6%55.9%-4.4%0.6%15.4M-681.6M-8.8M0.481.9445,43121,999824,054476,545
2009-10-09$46.30$50.0069.3%15.3%60.4%6.0%53.1%-5.3%1.9%16.2M-660.1M-8.9M0.272.2138,59210,266838,897480,124
2009-10-12$47.70$50.0086.4%16.2%60.8%12.1%56.8%-3.2%0.6%21.2M-917.5M-9.2M0.201.6549,09310,026853,102482,093
2009-10-13$48.30$50.0086.2%15.6%49.3%12.1%55.0%-5.0%0.8%25.6M-1.01B-9.3M0.431.6948,41420,802865,094484,566
2009-10-14$50.00$50.0088.3%15.6%50.0%12.8%55.4%-2.9%-1.0%30.8M-1.22B-9.3M0.222.6589,68720,143866,929492,280
2009-10-15$47.50$50.0048.3%13.8%51.7%0.0%48.3%-3.1%1.9%27.6M-765.8M-8.7M0.292.0082,52024,080877,017497,440
2009-10-16$45.90$50.0046.8%13.4%51.4%0.0%47.2%-0.2%1.9%11.5M-546.6M-8.4M0.722.0836,32826,004876,363502,233
2009-10-19$45.40$50.0043.2%12.4%49.9%0.0%43.5%-0.7%2.3%11.4M-528.9M-8.2M0.532.0328,52715,034769,427423,553
2009-10-20$44.30$50.0045.6%13.1%47.4%0.8%47.2%-1.8%1.5%9.0M-385.1M-7.7M0.331.4760,85020,302775,620430,568
2009-10-21$44.20$50.0041.6%11.9%46.4%0.0%44.0%-3.4%1.4%10.3M-427.6M-7.9M0.341.7759,91920,144808,019435,021
2009-10-22$44.60$50.0040.2%11.5%46.0%0.0%42.5%-1.8%0.6%11.1M-481.3M-8.4M0.422.2723,84110,011838,897443,515
2009-10-23$44.60$50.0042.6%12.2%45.8%0.8%47.9%-5.2%1.7%11.5M-558.3M-8.8M0.921.3219,59317,936844,608447,591
2009-10-26$42.70$50.0045.8%13.1%45.6%1.9%47.6%-7.4%3.0%8.3M-379.4M-8.4M0.571.9931,96118,138847,102444,811
2009-10-27$42.70$50.0044.1%12.6%44.1%1.3%45.0%-9.1%1.9%8.1M-366.6M-8.2M0.481.8624,42711,686849,834442,845
2009-10-28$40.80$50.0050.7%14.5%44.4%3.6%51.0%1.9%0.6%5.7M-191.3M-7.9M0.902.5829,04626,183853,456446,837
2009-10-29$43.10$50.0048.5%13.9%44.4%2.9%49.6%-2.2%2.7%8.7M-420.8M-8.7M0.462.1233,50615,386859,584454,687
2009-10-30$40.90$50.0054.8%15.7%47.8%5.0%54.9%2.6%0.5%6.0M-208.4M-8.2M0.982.4826,86226,282868,042456,061