SPY Options History — October 2014

In October 2014, SPY traded between $185.58 and $201.75. ATM implied volatility averaged 15.5%, placing in the 60.0% IV rank vs the trailing year. The 30-day expected move averaged 4.6%. IV traded below realized volatility by 1.1% (HV 20d: 16.6%). Max pain ranged from $190.00 to $197.00. Net GEX was positive for 5 of 23 trading days. Term structure was in contango for 9 of 23 days. Put/call ratio averaged 1.82.

Notable Days

  • 2014-10-15: Highest Volume — 7,215,798 contracts
  • 2014-10-09: Largest IV spike — 26.6% change
  • 2014-10-13: Highest IV Rank — 100.0%
  • 2014-10-15: Largest Expected Move — 5.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$193.67$185.58$201.75$194.63$201.75
Max Pain$193.43$190.00$197.00$197.00$193.00
ATM IV15.5%12.2%21.6%14.8%12.2%
Expected Move4.6%4.0%5.5%4.3%4.0%
HV 20d16.6%10.3%20.1%10.3%19.6%
HV 60d12.2%9.5%13.9%9.5%13.5%
IV Rank60.0%31.9%100.0%60.0%31.9%
IV Percentile90.4%71.4%100.0%95.2%71.4%
Term Structure-0.2%-1.7%0.5%0.1%0.5%
VWIV17.4%14.5%22.2%18.2%14.5%
Skew 25d6.1%3.7%9.0%5.6%3.7%
Skew 10d11.6%7.6%17.9%10.8%7.8%
Call IV 25d12.9%10.3%17.9%12.1%10.4%
Put IV 25d19.0%14.1%26.9%17.7%14.1%
Bid-Ask Spread %5.961.8823.153.541.88
Gamma HHI0.050.030.090.050.05
Net GEX-5.32B-11.80B4.80B-10.35B4.80B
Net DEX33.72B-54.06B104.97B55.08B-54.06B
Net VEX-381.8M-413.5M-359.5M-369.4M-371.4M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.821.142.952.501.24
Total Volume3,702,403.7391,807,3487,215,7984,224,3674,137,953
Total OI22,218,976.8719,640,47825,221,02419,670,22123,925,650

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2014-10-01$194.63$197.0014.8%4.3%10.3%60.0%18.2%5.6%0.1%-10.35B55.08B-369.4M2.503.54N/AN/A1,206,1453,018,2225,213,98814,456,233
2014-10-02$194.38$197.0013.9%4.3%10.3%52.9%16.0%5.1%0.2%-10.95B55.68B-371.5M1.944.09N/AN/A1,298,7212,518,0575,574,56615,029,418
2014-10-03$196.52$196.0012.8%4.0%11.1%43.0%15.6%4.8%0.1%-10.19B29.58B-366.9M1.925.80N/AN/A1,101,0022,111,2685,932,34315,304,662
2014-10-06$196.11$196.0013.6%4.1%11.1%49.6%16.6%5.3%-0.1%-7.89B32.44B-361.0M1.716.16N/AN/A668,1081,139,2405,617,59614,713,997
2014-10-07$193.37$196.0015.2%4.4%11.9%63.9%15.9%5.7%-0.2%-10.45B58.85B-359.5M1.977.67N/AN/A947,0491,865,0785,787,20214,871,550
2014-10-08$196.79$195.0013.1%4.1%13.6%45.7%16.1%5.1%-0.1%-6.67B23.08B-359.8M1.543.71N/AN/A1,546,3402,383,8066,066,51915,190,412
2014-10-09$192.93$195.0016.6%4.5%15.2%80.0%16.2%6.3%-0.4%-10.98B62.44B-376.1M1.6612.31N/AN/A1,865,2393,098,2666,338,43515,524,312
2014-10-10$190.18$195.0017.4%5.0%15.8%90.8%18.7%7.2%-0.9%-11.80B90.75B-382.6M2.0123.15N/AN/A1,670,0813,358,4416,983,44815,741,990
2014-10-13$187.25$195.0021.6%5.4%16.4%100.0%19.3%8.4%-0.8%-9.77B102.13B-372.5M2.957.69N/AN/A1,392,5194,110,5076,771,28415,212,318
2014-10-14$189.50$195.0018.5%5.0%16.9%77.7%17.4%7.4%-0.3%-9.94B82.32B-384.5M2.265.43N/AN/A827,1671,871,6867,199,26515,532,214
2014-10-15$186.43$194.0021.0%5.5%17.4%95.7%20.2%8.9%-0.5%-9.52B104.97B-388.3M2.427.67N/AN/A2,112,5005,103,2987,521,73316,177,196
2014-10-16$185.58$192.0021.6%5.4%17.1%99.9%21.6%9.0%-1.7%-8.39B102.26B-388.3M2.189.45N/AN/A1,541,7243,364,7368,108,61316,330,794
2014-10-17$188.69$191.0018.2%5.0%18.6%75.9%18.9%8.3%-1.1%-6.63B73.75B-387.0M1.6712.42N/AN/A1,887,3483,152,8558,444,53116,776,493
2014-10-20$190.36$191.0016.2%4.9%19.0%61.4%17.6%6.8%0.0%-3.87B32.54B-380.0M1.143.51N/AN/A1,224,5381,392,8546,555,91413,084,564
2014-10-21$193.71$190.0014.4%4.5%20.1%48.0%22.2%6.3%-0.1%-1.62B7.14B-380.1M1.212.47N/AN/A1,846,1492,239,5767,078,04513,432,140
2014-10-22$192.70$190.0016.1%4.7%19.8%60.6%17.4%6.3%-0.2%-2.54B16.53B-404.1M1.962.91N/AN/A1,198,2062,343,2198,098,13814,002,551
2014-10-23$194.78$191.0014.6%4.5%19.6%49.7%15.8%5.5%-0.2%-1.06B-210.8M-408.8M1.622.72N/AN/A1,242,2672,016,1808,462,62214,634,319
2014-10-24$196.36$192.0014.2%4.5%19.7%46.2%17.1%5.3%-0.1%811.9M-13.77B-413.5M1.212.17N/AN/A1,436,8751,743,3898,590,27015,021,256
2014-10-27$196.32$192.0013.9%4.4%19.7%44.5%16.2%5.1%0.3%-757.9M-6.84B-395.9M1.563.62N/AN/A800,1081,248,1358,134,15614,387,279
2014-10-28$198.41$192.0012.4%4.2%20.0%33.2%16.7%4.5%0.5%1.53B-25.28B-380.6M1.704.17N/AN/A921,6991,565,6418,002,77114,603,766
2014-10-29$198.19$192.0012.7%4.2%19.5%35.4%15.4%4.8%0.4%885.6M-21.49B-389.8M1.572.43N/AN/A1,081,8831,694,1628,100,94014,986,071
2014-10-30$199.38$192.0012.4%4.2%19.6%33.4%16.8%4.4%0.5%2.94B-32.39B-389.2M1.852.05N/AN/A653,9571,209,0928,317,97015,196,934
2014-10-31$201.75$193.0012.2%4.0%19.6%31.9%14.5%3.7%0.5%4.80B-54.06B-371.4M1.241.88N/AN/A1,848,2802,289,6738,345,33415,580,316