S Options History — August 2007

In August 2007, S traded between $18.20 and $20.62. ATM implied volatility averaged 40.2%, placing in the 56.8% IV rank vs the trailing year. The 30-day expected move averaged 10.6%. IV traded above realized volatility by 8.9% (HV 20d: 31.3%). Max pain ranged from $20.00 to $25.00. Net GEX was positive for 6 of 23 trading days. Term structure was in contango for 8 of 23 days. Put/call ratio averaged 1.54.

Notable Days

  • 2007-08-08: Highest Volume — 53,390 contracts
  • 2007-08-08: Largest IV drop — 31.4% change
  • 2007-08-01: Highest IV Rank — 100.0%
  • 2007-08-03: Largest Expected Move — 13.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$19.11$18.20$20.62$20.62$18.92
Max Pain$20.65$20.00$25.00$20.00$20.00
ATM IV40.2%29.3%58.8%46.2%29.6%
Expected Move10.6%8.4%13.3%13.3%8.5%
HV 20d31.3%24.6%35.0%24.6%32.4%
HV 60d28.1%25.5%29.7%25.5%28.1%
IV Rank56.8%20.9%100.0%100.0%21.7%
IV Percentile83.6%52.7%100.0%100.0%52.7%
Term Structure-2.2%-9.5%3.7%-9.5%2.9%
VWIV37.8%30.0%48.3%47.3%31.4%
Skew 25d-0.1%-4.3%3.9%3.6%-4.3%
Skew 10d-2.4%-18.0%13.3%-3.3%-13.9%
Call IV 25d38.7%31.9%52.4%43.7%34.0%
Put IV 25d38.7%29.6%49.8%47.3%29.6%
Bid-Ask Spread %18.2710.6824.9023.4720.18
Gamma HHI0.180.150.200.200.18
Net GEX-240.0K-2.3M3.3M3.3M-564.6K
Net DEX39.8M-150.5M165.8M-150.5M58.5M
Net VEX-3.5M-3.9M-3.2M-3.9M-3.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.540.144.570.721.91
Total Volume16,620.5221,05953,39022,1026,152
Total OI874,467.522795,953955,782883,257811,015

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2007-08-01$20.62$20.0046.2%13.3%24.6%100.0%47.3%3.6%-9.5%3.3M-150.5M-3.9M0.7223.47N/AN/A12,8799,223463,170420,087
2007-08-02$20.57$20.0046.0%13.2%24.6%99.0%48.3%-3.3%-9.4%2.9M-145.2M-3.9M0.3115.51N/AN/A7,7142,388463,478426,232
2007-08-03$19.77$20.0046.3%13.3%27.5%100.0%47.7%-2.6%-8.3%1.2M-32.4M-3.8M0.7816.06N/AN/A27,72921,526468,358425,302
2007-08-06$19.90$25.0051.0%11.5%27.3%100.0%40.9%3.3%-5.3%1.4M-53.4M-3.8M0.7222.03N/AN/A9,1716,639474,468433,756
2007-08-07$20.22$22.5055.2%11.6%28.2%100.0%40.7%1.8%-6.8%2.3M-107.9M-3.8M0.7219.07N/AN/A24,15917,433478,053438,059
2007-08-08$19.77$22.5037.9%9.4%26.7%48.6%32.6%0.4%-2.5%-510.3K-2.1M-3.7M0.4118.14N/AN/A37,73815,652488,651445,002
2007-08-09$18.90$22.5039.8%10.2%30.0%54.5%35.9%0.6%-2.7%-1.4M88.6M-3.5M2.9815.84N/AN/A10,84132,256493,576446,426
2007-08-10$18.85$22.5038.8%11.3%29.9%51.3%39.7%-0.8%-4.0%-1.5M91.5M-3.7M1.1813.42N/AN/A6,2397,375498,235457,547
2007-08-13$19.49$20.0048.4%10.5%30.4%80.0%38.4%1.8%-2.2%156.9K1.7M-3.7M0.5310.68N/AN/A7,4913,944501,109454,552
2007-08-14$18.71$20.0058.8%11.4%32.7%100.0%35.8%-2.0%-3.3%-843.6K81.4M-3.5M4.2313.64N/AN/A2,1979,302502,439437,382
2007-08-15$18.63$20.0050.7%11.6%32.6%78.4%47.0%-1.2%-3.3%-2.0M102.8M-3.4M1.6424.90N/AN/A3,0955,091504,249436,897
2007-08-16$18.20$20.0043.0%12.3%33.0%57.8%44.2%3.7%-4.6%-2.3M165.8M-3.3M0.2221.43N/AN/A22,7645,108504,116439,871
2007-08-17$18.32$20.0041.7%12.0%33.4%54.3%42.4%-0.1%-2.1%-1.3M161.7M-3.3M3.3319.08N/AN/A2,3867,937499,121440,368
2007-08-20$18.26$20.0038.1%10.9%33.2%44.6%37.0%3.9%-1.6%-1.4M115.3M-3.2M0.3322.65N/AN/A5,5231,802403,655392,298
2007-08-21$18.54$20.0036.5%10.5%34.4%40.2%35.7%3.5%-1.6%-844.4K87.7M-3.3M3.6122.20N/AN/A1,9737,118408,036391,999
2007-08-22$18.63$20.0031.9%9.2%34.7%28.0%33.2%1.6%1.9%-993.1K85.5M-3.2M0.6215.24N/AN/A3,9672,472408,644396,826
2007-08-23$18.58$20.0031.7%9.1%33.0%27.4%31.9%-0.1%2.0%-951.3K85.9M-3.2M4.5716.60N/AN/A9454,317409,535395,301
2007-08-24$18.95$20.0029.3%8.4%34.1%20.9%30.0%-1.3%3.7%-446.8K53.6M-3.3M1.1216.95N/AN/A2,0452,288410,058398,409
2007-08-27$18.91$20.0029.6%8.5%33.3%21.7%32.9%-3.0%2.1%-330.7K51.7M-3.3M0.7920.91N/AN/A2,8202,216411,670399,919
2007-08-28$18.63$20.0032.9%9.4%33.1%30.8%35.7%-3.5%1.5%-785.3K75.3M-3.2M0.1421.81N/AN/A4,715649411,013400,412
2007-08-29$19.15$20.0030.5%8.7%34.9%24.1%30.9%0.2%1.0%-45.1K39.6M-3.2M1.6014.94N/AN/A5,3608,574412,114399,832
2007-08-30$18.93$20.0030.2%8.7%35.0%23.4%30.2%-3.5%1.4%-569.9K60.8M-3.2M2.9815.38N/AN/A266793409,814401,699
2007-08-31$18.92$20.0029.6%8.5%32.4%21.7%31.4%-4.3%2.9%-564.6K58.5M-3.2M1.9120.18N/AN/A2,1124,040409,301401,714