SPY Options History — August 2010

In August 2010, SPY traded between $105.23 and $112.99. ATM implied volatility averaged 22.4%, placing in the 35.1% IV rank vs the trailing year. The 30-day expected move averaged 6.3%. IV traded above realized volatility by 4.3% (HV 20d: 18.1%). Max pain ranged from $109.00 to $112.00. Net GEX was positive for 0 of 22 trading days. Term structure was in contango for 21 of 22 days. Put/call ratio averaged 1.67.

Notable Days

  • 2010-08-19: Highest Volume — 2,335,992 contracts
  • 2010-08-10: Largest IV spike — 18.9% change
  • 2010-08-26: Highest IV Rank — 42.7%
  • 2010-08-26: Largest Expected Move — 7.0%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$109.05$105.23$112.99$112.76$105.31
Max Pain$110.95$109.00$112.00$109.00$110.00
ATM IV22.4%17.3%24.7%21.1%24.5%
Expected Move6.3%5.2%7.0%5.2%7.0%
HV 20d18.1%16.0%21.0%20.7%16.1%
HV 60d22.8%19.8%25.7%25.7%19.8%
IV Rank35.1%18.7%42.7%31.1%42.1%
IV Percentile70.3%25.8%86.1%59.1%85.7%
Term Structure0.6%-0.1%1.6%1.5%0.0%
VWIV23.2%19.5%27.8%19.8%23.9%
Skew 25d6.5%4.8%7.7%4.9%7.1%
Skew 10d13.1%8.8%16.8%9.7%12.7%
Call IV 25d19.2%16.1%21.7%16.1%20.8%
Put IV 25d25.8%21.0%28.7%21.0%27.9%
Bid-Ask Spread %2.991.786.312.065.68
Gamma HHI0.060.040.090.040.07
Net GEX-1.75B-2.80B-556.5M-593.6M-2.18B
Net DEX18.16B394.7M32.52B668.9M29.93B
Net VEX-188.3M-196.1M-177.8M-189.0M-187.6M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.671.132.411.861.16
Total Volume1,635,460.955888,1942,335,9921,262,3131,625,298
Total OI16,619,480.59114,423,98818,469,06415,630,82916,545,853

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2010-08-02$112.76$109.0021.1%5.2%20.7%31.1%19.8%4.9%1.5%-593.6M668.9M-189.0M1.862.06N/AN/A441,650820,6634,741,67210,889,157
2010-08-03$112.22$110.0021.7%5.4%21.0%33.1%19.9%4.9%1.6%-857.5M3.44B-193.7M1.911.91N/AN/A403,558769,4144,779,86511,196,037
2010-08-04$112.97$110.0021.6%5.2%18.5%32.6%19.5%4.8%1.6%-556.5M394.7M-191.7M1.552.08N/AN/A367,862571,7054,880,15011,386,290
2010-08-05$112.85$110.0019.3%5.3%18.4%25.2%19.5%4.8%1.3%-738.8M1.61B-193.2M1.731.78N/AN/A396,241684,3664,906,33011,486,907
2010-08-06$112.39$112.0017.3%5.8%18.5%18.7%21.3%6.3%0.5%-989.8M3.18B-192.6M2.062.82N/AN/A709,5821,463,3784,999,98711,627,028
2010-08-09$112.99$112.0018.7%5.7%18.5%23.0%21.5%6.1%0.5%-674.2M986.4M-189.4M1.282.19N/AN/A389,747498,4474,977,75211,671,724
2010-08-10$112.38$112.0022.2%5.8%18.0%34.6%21.5%6.2%0.7%-925.3M3.77B-190.1M1.583.54N/AN/A552,277873,8755,063,01011,766,828
2010-08-11$109.30$112.0022.9%6.6%20.8%36.7%23.8%6.9%0.3%-2.31B20.71B-192.5M2.022.19N/AN/A756,0931,527,0105,144,22811,934,843
2010-08-12$108.63$112.0023.3%6.7%20.9%38.1%24.4%7.2%0.2%-2.37B24.13B-195.4M1.502.13N/AN/A737,0811,106,2695,297,16612,143,261
2010-08-13$108.31$112.0024.3%7.0%18.3%41.4%25.4%7.7%0.1%-2.31B25.12B-196.1M1.943.49N/AN/A509,036989,6665,373,23212,251,627
2010-08-16$108.26$112.0023.8%6.8%18.2%39.9%25.2%7.3%0.5%-2.29B23.83B-189.7M2.412.25N/AN/A399,185961,6315,278,28212,159,890
2010-08-17$109.59$112.0021.5%6.2%18.2%32.2%23.5%6.6%0.9%-1.91B16.96B-187.5M1.781.96N/AN/A644,4731,144,5705,326,57912,370,866
2010-08-18$109.79$111.0021.2%6.1%17.5%31.4%22.8%6.0%0.7%-2.13B15.55B-177.8M1.602.53N/AN/A525,971839,9685,410,94312,586,113
2010-08-19$107.88$111.0023.4%6.7%16.9%38.6%24.7%7.0%0.2%-2.80B27.48B-187.1M1.732.80N/AN/A856,7781,479,2145,470,28012,712,569
2010-08-20$107.53$111.0022.4%6.4%16.6%35.2%24.0%7.2%0.7%-2.69B28.79B-187.0M1.791.95N/AN/A747,7221,337,3125,599,74612,869,318
2010-08-23$107.12$110.0022.9%6.6%16.0%36.8%23.5%7.3%0.5%-1.88B24.34B-181.2M1.511.86N/AN/A537,264809,9594,274,14810,149,840
2010-08-24$105.53$110.0024.3%7.0%16.6%41.6%25.3%7.2%-0.1%-2.14B30.81B-183.4M1.972.27N/AN/A774,2971,524,7984,453,75810,441,699
2010-08-25$105.94$110.0024.3%7.0%16.7%41.3%25.3%7.3%0.1%-2.08B29.26B-185.9M1.532.67N/AN/A759,6321,162,2564,674,37210,724,521
2010-08-26$105.23$111.0024.7%7.0%16.8%42.7%27.8%7.0%0.6%-2.40B32.52B-184.8M1.556.31N/AN/A670,1991,039,9734,856,02810,916,210
2010-08-27$106.86$111.0022.3%6.4%17.9%35.0%22.0%6.9%0.5%-1.15B24.34B-186.8M1.255.78N/AN/A1,031,6991,287,9005,043,14111,129,782
2010-08-30$105.31$111.0024.4%7.0%16.1%41.7%26.2%6.9%0.3%-2.45B31.66B-179.7M1.135.47N/AN/A587,596664,5264,989,70511,127,836
2010-08-31$105.31$110.0024.5%7.0%16.1%42.1%23.9%7.1%0.0%-2.18B29.93B-187.6M1.165.68N/AN/A752,060873,2385,199,96111,345,892