SPY Options History — September 2010

In September 2010, SPY traded between $108.46 and $114.82. ATM implied volatility averaged 19.2%, placing in the 24.9% IV rank vs the trailing year. The 30-day expected move averaged 5.5%. IV traded above realized volatility by 1.2% (HV 20d: 18.0%). Max pain ranged from $110.00 to $113.00. Net GEX was positive for 0 of 21 trading days. Term structure was in contango for 21 of 21 days. Put/call ratio averaged 1.87.

Notable Days

  • 2010-09-16: Highest Volume — 7,720,831 contracts
  • 2010-09-27: Largest IV spike — 19.1% change
  • 2010-09-01: Highest IV Rank — 33.4%
  • 2010-09-01: Largest Expected Move — 6.3%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$112.46$108.46$114.82$108.46$114.13
Max Pain$111.48$110.00$113.00$111.00$113.00
ATM IV19.2%17.4%21.8%21.8%19.2%
Expected Move5.5%5.0%6.3%6.3%5.5%
HV 20d18.0%13.1%21.0%19.6%13.1%
HV 60d19.3%17.4%20.6%20.6%17.4%
IV Rank24.9%18.9%33.4%33.4%24.6%
IV Percentile42.5%26.6%68.3%68.3%43.3%
Term Structure1.6%0.5%2.3%0.5%2.3%
VWIV20.6%19.4%24.7%24.7%19.5%
Skew 25d5.6%4.7%6.4%6.4%4.9%
Skew 10d10.9%8.6%14.9%11.6%9.9%
Call IV 25d16.7%15.5%18.8%18.8%17.1%
Put IV 25d22.3%20.8%25.2%25.2%21.9%
Bid-Ask Spread %2.901.636.666.662.56
Gamma HHI0.060.040.130.060.05
Net GEX-945.6M-1.55B-37.6M-1.32B-1.55B
Net DEX3.89B-3.17B15.19B15.19B4.09B
Net VEX-175.0M-186.7M-159.3M-186.7M-186.1M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.870.212.571.811.38
Total Volume1,911,143.3331,084,4787,720,8311,911,2662,564,698
Total OI16,791,580.04813,712,90519,030,32616,904,94816,491,319

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2010-09-01$108.46$111.0021.8%6.3%19.6%33.4%24.7%6.4%0.5%-1.32B15.19B-186.7M1.816.66N/AN/A680,3831,230,8835,367,98611,536,962
2010-09-02$109.47$111.0020.5%5.9%20.0%29.1%23.1%5.5%0.6%-1.17B10.22B-181.8M1.825.22N/AN/A582,8201,059,2475,491,28811,745,964
2010-09-03$110.89$111.0017.7%5.1%20.6%19.9%20.5%4.7%1.5%-37.6M2.38B-173.8M1.294.24N/AN/A931,9571,203,2785,540,82211,935,769
2010-09-07$109.64$111.0019.6%5.6%20.8%26.2%20.4%5.4%1.1%-1.53B11.96B-173.8M2.574.49N/AN/A399,9891,029,3515,387,78511,690,597
2010-09-08$110.41$111.0019.4%5.6%21.0%25.3%21.2%5.4%1.3%-1.34B8.55B-173.8M2.533.62N/AN/A307,455777,0235,437,34912,066,697
2010-09-09$110.92$110.0019.6%5.6%18.5%26.2%21.0%6.1%1.7%-1.46B5.88B-168.7M1.932.88N/AN/A452,527875,2005,464,37312,382,152
2010-09-10$111.48$110.0019.3%5.5%18.4%25.1%21.1%6.2%1.9%-777.0M3.45B-171.2M2.572.84N/AN/A365,709939,3255,527,83912,612,975
2010-09-13$112.72$110.0017.8%5.1%18.6%20.3%19.4%5.4%2.0%-534.9M-3.17B-159.3M1.462.41N/AN/A609,216887,9235,441,13812,746,476
2010-09-14$112.65$110.0018.2%5.2%18.6%21.4%20.7%5.4%1.7%-525.5M-2.26B-159.3M2.112.30N/AN/A410,697866,9295,511,15512,839,751
2010-09-15$113.08$111.0018.7%5.4%18.2%23.2%20.3%5.9%1.6%-593.2M-2.72B-164.6M1.892.07N/AN/A519,847982,3205,589,96713,191,538
2010-09-16$113.05$111.0018.4%5.3%18.2%22.2%20.8%5.9%1.7%-555.5M-1.93B-169.0M0.213.52N/AN/A6,385,4051,335,4265,627,29513,403,031
2010-09-17$112.49$112.0018.9%5.4%17.0%23.9%20.3%6.3%1.9%-1.34B10.43B-173.3M2.482.58N/AN/A597,5571,482,5774,824,99213,705,756
2010-09-20$114.21$112.0018.0%5.2%17.5%20.8%19.5%5.5%2.0%-656.8M573.5M-170.3M2.032.19N/AN/A677,1361,372,2793,770,2969,942,609
2010-09-21$113.98$112.0018.8%5.4%17.4%23.3%20.2%5.8%1.5%-784.2M1.54B-173.8M2.042.09N/AN/A537,0141,093,6293,961,28810,383,186
2010-09-22$113.42$112.0019.2%5.5%16.3%24.8%19.4%5.6%1.6%-1.21B5.08B-181.3M2.081.63N/AN/A520,6931,081,2074,085,12910,800,680
2010-09-23$112.50$112.0020.7%5.9%16.9%29.6%22.3%6.2%1.2%-1.45B9.46B-186.5M2.072.60N/AN/A422,131873,1994,190,07110,901,657
2010-09-24$114.82$112.0017.4%5.0%17.5%18.9%19.4%5.3%2.2%-299.4M-1.91B-175.5M1.481.75N/AN/A757,0791,121,7324,261,46911,052,686
2010-09-27$114.27$113.0020.7%5.4%17.3%29.8%19.9%5.1%1.7%-885.7M1.94B-179.4M1.701.70N/AN/A491,116832,4594,277,57911,226,009
2010-09-28$114.67$113.0019.5%5.2%16.0%25.7%19.6%5.2%2.1%-858.8M1.07B-181.2M2.211.72N/AN/A454,5821,004,1884,467,10811,476,347
2010-09-29$114.47$113.0020.3%5.6%16.0%28.4%20.0%5.1%2.0%-965.8M1.88B-185.8M1.661.79N/AN/A533,515884,3094,560,91311,705,178
2010-09-30$114.13$113.0019.2%5.5%13.1%24.6%19.5%4.9%2.3%-1.55B4.09B-186.1M1.382.56N/AN/A1,076,1151,488,5834,629,46411,861,855