C Options History — August 2009

In August 2009, C traded between $31.80 and $52.30. ATM implied volatility averaged 72.1%, placing in the 9.5% IV rank vs the trailing year. The 30-day expected move averaged 20.5%. IV traded below realized volatility by 2.9% (HV 20d: 75.0%). Max pain ranged from $40.00 to $50.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 11 of 21 days. Put/call ratio averaged 0.45.

Notable Days

  • 2009-08-07: Highest Volume — 223,195 contracts
  • 2009-08-05: Largest IV spike — 18.1% change
  • 2009-08-11: Highest IV Rank — 12.9%
  • 2009-08-05: Largest Expected Move — 22.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$42.05$31.80$52.30$31.80$50.00
Max Pain$40.48$40.00$50.00$40.00$50.00
ATM IV72.1%63.9%81.7%66.8%68.2%
Expected Move20.5%18.3%22.7%19.1%19.5%
HV 20d75.0%63.5%85.1%80.7%69.8%
HV 60d64.3%60.4%67.3%61.3%67.3%
IV Rank9.5%6.6%12.9%7.6%8.0%
IV Percentile15.6%7.1%26.6%13.9%9.9%
Term Structure1.2%-6.9%9.5%3.5%8.3%
VWIV74.8%65.1%84.3%67.2%71.5%
Skew 25d-2.9%-9.3%4.6%4.6%-1.3%
Skew 10d1.0%-14.7%30.8%29.2%-4.5%
Call IV 25d80.3%71.4%87.4%77.9%77.1%
Put IV 25d77.4%67.5%85.9%82.5%75.8%
Bid-Ask Spread %2.341.812.822.502.01
Gamma HHI0.410.280.490.280.37
Net GEX10.6M4.1M15.6M4.1M15.0M
Net DEX-528.3M-1.62B630.2M630.2M-1.33B
Net VEX-6.9M-8.7M-4.8M-4.8M-8.7M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.450.241.031.030.37
Total Volume124,356.71452,041223,19569,13594,631
Total OI1,643,214.811,380,3831,823,7311,688,0321,491,672

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call VolPut VolCall OIPut OI
2009-08-03$31.80$40.0066.8%19.1%80.7%7.6%67.2%4.6%3.5%4.1M630.2M-4.8M1.032.5034,10035,035911,946776,086
2009-08-04$32.50$40.0067.0%19.2%79.2%7.7%67.0%-2.6%1.6%4.1M533.7M-4.8M0.471.9035,32616,715901,660757,532
2009-08-05$35.80$40.0079.1%22.7%83.7%11.9%79.1%2.8%-2.4%5.8M125.2M-5.6M0.552.48128,30770,248911,649745,512
2009-08-06$38.00$40.0075.5%21.6%85.1%10.7%76.9%1.4%-2.5%7.0M-75.0M-6.2M0.522.05103,21053,872917,738756,945
2009-08-07$38.50$40.0081.6%22.6%82.6%12.8%84.3%-6.5%-4.5%7.1M-202.5M-6.4M0.372.06162,71760,478907,781743,842
2009-08-10$39.40$40.0077.1%21.5%80.4%11.2%79.3%-1.2%-2.4%8.5M-239.1M-6.5M0.292.8267,32419,782941,979750,981
2009-08-11$36.90$40.0081.7%21.8%84.6%12.9%80.5%-2.2%-2.4%6.9M10.9M-6.2M0.492.61107,77752,545951,152751,760
2009-08-12$39.80$40.0068.8%20.3%84.0%8.3%74.5%1.0%-0.7%9.8M-254.0M-6.3M0.472.6859,14627,849955,420760,013
2009-08-13$40.60$40.0072.3%20.7%81.3%9.6%75.3%3.8%-4.6%10.0M-294.3M-6.5M0.482.6462,08629,624960,331768,980
2009-08-14$40.40$40.0071.4%20.5%81.3%9.2%78.0%-7.7%-1.1%10.9M-370.1M-6.6M0.422.4687,98036,658970,607774,262
2009-08-17$40.00$40.0071.0%20.4%74.1%9.1%74.5%-5.6%1.5%13.0M-336.8M-6.6M0.402.6748,30819,207998,417776,349
2009-08-18$41.40$40.0069.9%20.0%69.6%8.7%77.2%-9.3%3.0%15.4M-544.3M-6.8M0.392.4150,24719,5211,005,032768,266
2009-08-19$41.30$40.0068.5%19.6%69.0%8.2%78.3%-9.0%2.2%15.2M-530.7M-6.7M0.402.2655,96422,2981,016,501773,541
2009-08-20$44.80$40.0074.7%21.4%71.3%10.4%77.8%-5.9%-0.2%10.2M-935.0M-7.3M0.242.04147,52635,6711,027,530779,726
2009-08-21$47.00$40.0079.0%22.6%70.3%11.9%80.3%-3.6%-6.9%11.2M-1.14B-7.8M0.372.73118,87544,1881,035,805787,926
2009-08-24$48.20$40.0075.3%21.6%68.6%10.6%76.9%-6.9%3.3%12.1M-1.14B-7.9M0.292.43116,79934,367829,131551,252
2009-08-25$47.50$40.0069.9%20.0%65.0%8.7%71.8%-2.4%4.9%12.9M-1.05B-8.1M0.591.8165,48138,831851,212564,066
2009-08-26$46.30$40.0065.8%18.9%63.5%7.3%67.2%-5.9%5.6%12.7M-899.1M-7.9M0.551.9950,93828,125854,664569,626
2009-08-27$50.50$40.0063.9%18.3%65.7%6.6%65.1%-1.5%9.4%15.4M-1.42B-8.4M0.262.20137,82636,480863,283579,716
2009-08-28$52.30$40.0066.4%19.0%65.6%7.5%68.6%-3.5%9.5%15.6M-1.62B-8.7M0.482.32131,74363,686882,483585,137
2009-08-31$50.00$50.0068.2%19.5%69.8%8.0%71.5%-1.3%8.3%15.0M-1.33B-8.7M0.372.0168,85525,776898,182593,490