SPY Options History — February 2008

In February 2008, SPY traded between $133.05 and $139.58. ATM implied volatility averaged 24.2%, placing in the 72.2% IV rank vs the trailing year. The 30-day expected move averaged 6.9%. IV traded above realized volatility by 2.9% (HV 20d: 21.2%). Max pain ranged from $137.00 to $142.00. Net GEX was positive for 0 of 20 trading days. Term structure was in contango for 5 of 20 days. Put/call ratio averaged 1.81.

Notable Days

  • 2008-02-07: Highest Volume — 1,332,175 contracts
  • 2008-02-13: Largest IV drop — 15.9% change
  • 2008-02-06: Highest IV Rank — 93.3%
  • 2008-02-06: Largest Expected Move — 7.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$135.67$133.05$139.58$139.58$133.82
Max Pain$140.75$137.00$142.00$137.00$141.00
ATM IV24.2%20.6%28.5%22.0%24.4%
Expected Move6.9%5.9%7.8%6.3%7.0%
HV 20d21.2%17.5%24.6%24.0%18.2%
HV 60d21.0%19.0%22.4%22.4%19.5%
IV Rank72.2%54.1%93.3%63.3%72.6%
IV Percentile82.6%63.1%99.6%74.6%86.5%
Term Structure-0.1%-0.6%0.9%0.5%0.4%
VWIV24.6%21.0%27.5%23.0%24.7%
Skew 25d7.0%5.7%8.2%6.2%6.4%
Skew 10d11.9%8.8%14.2%11.6%8.8%
Call IV 25d20.4%17.4%22.9%19.3%21.2%
Put IV 25d27.4%23.2%31.1%25.5%27.6%
Bid-Ask Spread %3.512.045.612.044.30
Gamma HHI0.060.040.240.040.05
Net GEX-1.06B-1.66B-641.5M-641.5M-1.18B
Net DEX16.43B5.51B24.05B5.51B22.32B
Net VEX-180.7M-185.6M-178.1M-185.6M-180.9M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.811.222.881.221.40
Total Volume888,208.9547,3741,332,1751,006,468928,474
Total OI10,156,958.58,958,50311,512,9109,783,77010,118,489

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2008-02-01$139.58$137.0022.0%6.3%24.0%63.3%23.0%6.2%0.5%-641.5M5.51B-185.6M1.222.04N/AN/A453,432553,0363,891,1935,892,577
2008-02-04$137.82$142.0024.9%7.0%22.8%76.8%24.5%7.8%-0.3%-841.7M10.64B-183.0M1.923.48N/AN/A247,056474,3333,932,2826,012,812
2008-02-05$134.13$142.0028.1%7.7%24.6%91.3%26.6%8.0%-0.5%-1.13B20.51B-178.8M1.943.40N/AN/A428,052829,5613,996,7086,111,939
2008-02-06$133.05$142.0028.5%7.8%24.2%93.3%27.5%8.2%-0.6%-1.21B23.90B-178.6M1.852.97N/AN/A375,709694,2704,080,0136,207,963
2008-02-07$133.93$142.0026.7%7.5%23.9%84.7%26.8%8.1%-0.4%-1.20B21.35B-181.9M1.763.70N/AN/A482,061850,1144,132,6476,331,773
2008-02-08$133.07$142.0026.6%7.7%23.7%83.8%26.7%7.8%-0.5%-1.32B24.05B-180.3M1.685.51N/AN/A348,789584,5264,216,4316,468,892
2008-02-11$133.75$141.0026.5%7.5%23.8%83.5%26.7%8.0%-0.3%-1.30B21.99B-178.1M1.603.36N/AN/A306,733490,5064,311,1526,573,632
2008-02-12$134.99$140.0025.7%7.2%23.9%79.8%25.6%7.9%-0.4%-1.16B18.08B-179.7M1.863.37N/AN/A437,763812,8084,368,6866,629,795
2008-02-13$136.37$140.0021.6%6.9%23.0%60.4%24.9%7.4%-0.3%-1.00B13.72B-183.0M1.652.81N/AN/A291,520481,2224,452,5146,821,019
2008-02-14$135.17$140.0024.7%7.1%23.1%74.8%24.6%7.2%-0.2%-1.11B17.83B-180.8M1.253.56N/AN/A461,483578,5024,503,6076,835,633
2008-02-15$135.14$140.0024.3%7.0%21.0%73.2%25.2%7.0%-0.3%-1.66B17.61B-179.4M1.843.33N/AN/A348,492640,3284,589,9176,922,993
2008-02-19$135.52$140.0024.1%6.9%20.6%72.0%24.9%6.8%-0.2%-944.8M15.37B-179.4M2.113.02N/AN/A202,678427,7223,438,1935,520,310
2008-02-20$135.92$140.0023.4%6.7%20.1%68.7%24.2%6.5%-0.4%-931.3M14.74B-179.7M1.932.69N/AN/A241,297465,6113,509,5305,590,612
2008-02-21$134.79$140.0023.9%6.8%18.7%70.7%23.8%6.6%-0.4%-1.05B17.93B-178.3M2.022.79N/AN/A187,748378,9313,549,8935,709,382
2008-02-22$135.62$140.0022.7%6.5%18.6%65.0%23.6%6.4%-0.3%-994.5M15.81B-178.8M1.952.94N/AN/A271,396528,0763,598,0315,743,347
2008-02-25$137.33$140.0021.6%6.2%18.2%58.8%22.5%6.1%-0.3%-930.2M12.70B-179.7M1.692.73N/AN/A312,495527,4033,625,6745,916,183
2008-02-26$138.36$142.0020.6%5.9%17.5%54.1%21.6%5.8%0.9%-819.2M9.75B-181.1M1.845.61N/AN/A307,981565,4573,708,8345,988,660
2008-02-27$138.22$142.0021.1%6.0%17.5%56.7%21.0%5.9%0.5%-796.6M10.42B-182.9M1.864.16N/AN/A245,582455,6573,812,2376,039,772
2008-02-28$136.87$142.0021.8%6.2%17.6%59.9%24.2%5.7%0.6%-932.8M14.38B-183.9M2.884.42N/AN/A141,246406,1283,878,2106,107,635
2008-02-29$133.82$141.0024.4%7.0%18.2%72.6%24.7%6.4%0.4%-1.18B22.32B-180.9M1.404.30N/AN/A387,195541,2793,897,9786,220,511