SPY Options History — August 2013

In August 2013, SPY traded between $163.35 and $170.90. ATM implied volatility averaged 12.8%, placing in the 25.9% IV rank vs the trailing year. The 30-day expected move averaged 3.7%. IV traded above realized volatility by 4.9% (HV 20d: 7.8%). Max pain ranged from $164.00 to $170.00. Net GEX was positive for 3 of 22 trading days. Term structure was in contango for 15 of 22 days. Put/call ratio averaged 1.64.

Notable Days

  • 2013-08-15: Highest Volume — 3,602,495 contracts
  • 2013-08-15: Largest IV spike — 21.3% change
  • 2013-08-27: Highest IV Rank — 46.1%
  • 2013-08-27: Largest Expected Move — 4.5%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$167.18$163.35$170.90$170.55$163.90
Max Pain$167.62$164.00$170.00$169.00$166.00
ATM IV12.8%10.2%15.6%11.3%15.4%
Expected Move3.7%3.0%4.5%3.2%4.4%
HV 20d7.8%5.5%10.9%7.3%10.1%
HV 60d12.0%11.6%12.4%11.9%11.9%
IV Rank25.9%6.3%46.1%11.8%44.7%
IV Percentile46.0%3.6%86.9%22.2%84.5%
Term Structure0.4%-0.3%1.1%0.0%0.2%
VWIV13.3%10.9%16.3%12.6%16.3%
Skew 25d4.0%2.6%5.3%3.0%5.1%
Skew 10d7.7%5.0%10.0%6.1%9.9%
Call IV 25d11.2%9.3%13.5%10.2%13.5%
Put IV 25d15.2%12.0%18.6%13.2%18.5%
Bid-Ask Spread %4.481.5710.276.044.76
Gamma HHI0.070.040.330.060.12
Net GEX-2.25B-6.12B8.32B1.74B-5.95B
Net DEX-2.82B-40.39B26.14B-36.49B24.04B
Net VEX-297.2M-319.8M-273.8M-278.3M-319.2M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.641.182.371.372.10
Total Volume1,884,288.6821,140,0343,602,4952,521,8552,491,993
Total OI19,656,484.63617,110,40721,820,07119,309,36920,224,219

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2013-08-01$170.55$169.0011.3%3.2%7.3%11.8%12.6%3.0%0.0%1.74B-36.49B-278.3M1.376.04N/AN/A1,065,7211,456,1346,908,05512,401,314
2013-08-02$170.90$169.0010.5%3.0%6.6%7.5%11.2%2.6%0.2%8.32B-40.39B-276.6M1.286.53N/AN/A882,9371,127,4997,259,25512,848,456
2013-08-05$170.71$170.0010.2%3.0%6.6%6.3%10.9%2.7%1.0%683.2M-34.94B-273.8M2.373.81N/AN/A385,727913,1587,025,88812,491,513
2013-08-06$169.84$170.0010.9%3.1%6.9%13.6%12.2%3.2%1.0%-1.02B-24.85B-289.9M1.714.43N/AN/A593,2931,016,6797,094,30012,793,642
2013-08-07$169.25$170.0011.4%3.3%7.1%16.5%11.9%3.4%1.0%-2.15B-18.22B-296.5M2.024.26N/AN/A574,8851,164,0527,150,49913,081,248
2013-08-08$169.81$170.0010.9%3.1%5.5%13.3%11.5%3.3%1.0%-742.9M-25.34B-288.0M1.364.41N/AN/A658,855894,8747,205,31913,401,440
2013-08-09$169.06$170.0011.5%3.3%5.8%17.3%12.0%3.8%1.0%-2.92B-16.66B-296.5M2.067.14N/AN/A687,5081,415,6427,320,44313,603,306
2013-08-12$169.18$170.0011.7%3.4%5.7%19.0%12.4%3.8%1.0%-1.88B-17.96B-294.0M1.554.24N/AN/A447,218692,8167,177,60113,557,843
2013-08-13$169.57$170.0010.8%3.1%5.5%12.9%11.5%3.6%1.1%-1.19B-22.26B-287.5M1.763.95N/AN/A476,541838,8127,242,03613,672,838
2013-08-14$168.63$170.0011.2%3.2%5.9%15.5%11.7%3.7%1.1%-3.29B-12.06B-297.8M1.774.64N/AN/A491,419870,9297,309,25813,885,317
2013-08-15$166.14$0.0013.6%3.9%7.8%32.3%13.9%4.5%0.5%-6.12B14.54B-304.5M2.014.34N/AN/A1,195,2052,407,2907,352,44513,954,361
2013-08-16$165.61$166.0013.0%3.7%7.5%27.6%13.0%4.4%0.6%-5.69B18.31B-299.4M1.635.86N/AN/A1,052,9311,719,9537,722,75214,097,319
2013-08-19$164.95$166.0013.9%4.1%7.6%34.6%14.4%4.5%-0.2%-3.44B15.28B-297.2M1.541.70N/AN/A606,020934,3896,172,38610,938,021
2013-08-20$165.60$166.0013.6%3.9%7.8%31.9%14.5%4.4%-0.2%-3.14B10.97B-300.2M1.491.57N/AN/A521,729775,3016,326,51111,204,397
2013-08-21$164.21$166.0014.9%4.3%8.2%41.1%15.3%4.7%-0.3%-3.91B20.70B-300.0M1.461.87N/AN/A1,064,9441,556,1066,457,07211,323,057
2013-08-22$166.05$166.0013.6%3.9%9.3%31.8%14.8%4.3%0.1%-2.54B6.92B-306.8M1.441.90N/AN/A618,624889,8706,795,01311,666,031
2013-08-23$166.65$166.0012.6%3.6%9.4%25.2%13.4%4.0%0.1%-1.36B434.5M-299.0M1.182.53N/AN/A691,419813,6536,956,10411,899,675
2013-08-26$165.92$165.0013.7%3.9%9.5%33.1%13.6%4.5%-0.2%-2.55B6.03B-299.8M1.394.55N/AN/A518,398722,2336,641,97511,547,350
2013-08-27$163.35$166.0015.6%4.5%10.8%46.1%15.2%5.1%-0.3%-4.29B26.14B-302.6M1.834.65N/AN/A1,035,3631,890,2586,794,31311,720,669
2013-08-28$163.78$165.0015.0%4.3%10.9%41.9%15.2%5.1%-0.1%-4.40B24.44B-312.3M1.325.00N/AN/A708,386935,8627,167,52812,264,789
2013-08-29$164.21$164.0015.5%4.5%10.2%45.5%15.5%5.3%-0.1%-3.69B19.38B-319.8M1.4110.27N/AN/A683,830965,8957,431,68012,355,424
2013-08-30$163.90$166.0015.4%4.4%10.1%44.7%16.3%5.1%0.2%-5.95B24.04B-319.2M2.104.76N/AN/A803,3561,688,6377,589,09612,635,123