SPY Options History — October 2019

In October 2019, SPY traded between $288.24 and $303.98. ATM implied volatility averaged 13.8%, placing in the 19.5% IV rank vs the trailing year. The 30-day expected move averaged 3.9%. IV traded above realized volatility by 0.1% (HV 20d: 13.7%). Max pain ranged from $295.00 to $300.00. Net GEX was positive for 16 of 23 trading days. Term structure was in contango for 13 of 23 days. Put/call ratio averaged 1.62.

Notable Days

  • 2019-10-02: Highest Volume — 5,615,430 contracts
  • 2019-10-08: Largest IV spike — 19.0% change
  • 2019-10-02: Highest IV Rank — 47.9%
  • 2019-10-02: Largest Expected Move — 5.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$297.20$288.24$303.98$293.54$302.65
Max Pain$297.04$295.00$300.00$298.00$300.00
ATM IV13.8%10.6%19.2%16.3%11.2%
Expected Move3.9%2.9%5.7%4.7%3.1%
HV 20d13.7%11.0%15.4%11.2%11.2%
HV 60d15.9%14.8%16.5%14.9%14.9%
IV Rank19.5%3.8%47.9%34.6%6.6%
IV Percentile43.2%9.5%89.7%68.7%17.9%
Term Structure-0.0%-0.5%0.3%0.3%-0.4%
VWIV14.8%11.4%20.1%16.5%12.1%
Skew 25d5.6%4.0%7.6%7.4%4.7%
Skew 10d9.8%7.2%12.9%12.7%8.2%
Call IV 25d11.2%9.0%15.2%12.7%9.5%
Put IV 25d16.8%13.2%22.5%20.1%14.1%
Bid-Ask Spread %1.080.861.660.930.93
Gamma HHI0.040.030.070.030.04
Net GEX1.37B-6.95B9.38B-4.19B859.2M
Net DEX-9.77B-50.60B60.69B27.73B-32.08B
Net VEX-518.0M-547.1M-489.7M-530.9M-505.9M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.621.182.401.351.77
Total Volume2,680,618.6961,582,8975,615,4303,121,2492,481,221
Total OI20,894,947.04318,892,20223,023,60318,892,20221,495,929

Daily Data (23 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2019-10-01$293.54$298.0016.3%4.7%11.2%34.6%16.5%7.4%0.3%-4.19B27.73B-530.9M1.350.93N/AN/A1,327,8081,793,4416,559,75412,332,448
2019-10-02$288.24$297.0019.2%5.7%12.4%47.9%20.1%7.2%-0.5%-6.95B60.69B-533.3M1.911.04N/AN/A1,929,9473,685,4837,022,54012,650,034
2019-10-03$289.65$296.0018.1%5.2%11.4%42.1%19.2%7.4%-0.5%-4.54B41.72B-544.2M1.801.07N/AN/A1,384,1132,491,1867,381,33612,834,194
2019-10-04$294.15$296.0015.4%4.5%12.8%27.1%17.3%6.7%0.2%473.0M4.66B-539.5M1.591.22N/AN/A1,357,2902,159,4147,590,44713,293,303
2019-10-07$293.65$296.0015.7%4.6%12.8%28.4%18.1%7.2%0.2%-1.50B10.91B-534.3M1.611.33N/AN/A1,063,2671,711,9097,473,98513,107,921
2019-10-08$289.32$296.0018.7%5.3%13.8%42.8%19.4%7.6%0.1%-5.15B43.59B-541.8M1.521.25N/AN/A1,317,5642,004,9347,619,10013,145,453
2019-10-09$291.43$295.0017.5%5.0%13.7%37.0%18.0%7.4%-0.4%-2.74B25.00B-546.1M1.531.53N/AN/A891,3831,361,9697,974,27213,511,730
2019-10-10$293.01$295.0016.4%4.7%13.6%31.7%17.4%7.0%-0.4%-1.55B12.48B-547.1M1.331.20N/AN/A1,051,6361,396,7417,945,96713,538,560
2019-10-11$297.39$296.0014.1%4.1%14.8%20.8%16.1%5.8%0.2%5.05B-25.03B-537.0M1.441.66N/AN/A1,822,4052,631,3968,227,54813,863,361
2019-10-14$295.98$296.0013.4%3.9%14.8%17.5%15.6%5.7%0.2%346.2M-5.41B-509.8M1.990.96N/AN/A668,0021,327,0438,004,23313,724,849
2019-10-15$299.11$296.0011.9%3.4%15.3%10.1%12.6%4.7%0.3%4.80B-33.13B-503.9M1.311.00N/AN/A1,244,4161,633,7397,880,09713,662,080
2019-10-16$298.32$296.0012.4%3.6%15.3%12.5%13.2%4.8%0.0%2.08B-23.63B-510.7M1.181.02N/AN/A901,8111,065,3718,192,47914,221,277
2019-10-17$299.42$297.0012.1%3.5%15.4%11.1%13.4%4.6%0.0%4.41B-32.49B-509.0M1.641.05N/AN/A914,5161,502,3608,176,61414,200,751
2019-10-18$298.51$297.0012.2%3.5%15.1%11.7%13.4%5.0%0.2%939.0M-21.86B-519.9M1.471.06N/AN/A953,3611,400,4828,340,45014,683,153
2019-10-21$300.01$297.0012.2%3.4%15.2%11.3%13.3%4.8%0.3%3.88B-27.50B-505.6M1.501.00N/AN/A633,574949,3237,075,32012,354,864
2019-10-22$299.17$297.0012.5%3.5%14.7%13.0%12.3%4.8%0.3%2.34B-20.41B-507.4M1.541.06N/AN/A740,6371,139,8787,100,42112,489,486
2019-10-23$299.57$298.0012.1%3.3%14.5%11.3%12.7%4.9%-0.2%2.00B-19.76B-510.2M1.501.01N/AN/A678,0941,018,3527,335,35612,885,890
2019-10-24$300.32$298.0011.8%3.2%14.5%9.4%12.4%4.6%-0.2%3.85B-26.61B-502.6M1.400.94N/AN/A685,061958,5717,276,60112,923,356
2019-10-25$301.71$298.0010.6%2.9%14.2%4.0%11.7%4.1%0.3%9.38B-42.00B-495.2M1.690.89N/AN/A1,021,1041,724,7997,461,55813,175,759
2019-10-28$303.38$299.0011.2%3.0%14.1%6.7%11.4%4.0%-0.1%7.02B-50.60B-489.7M1.420.94N/AN/A836,5521,189,2117,318,63712,924,384
2019-10-29$303.02$299.0011.3%3.1%13.3%7.5%11.9%4.3%-0.1%4.55B-41.94B-499.1M2.310.86N/AN/A555,5501,281,0137,362,56513,107,156
2019-10-30$303.98$299.0010.6%2.9%11.0%3.8%11.9%4.2%-0.1%6.18B-48.94B-490.4M2.401.00N/AN/A813,7741,954,5297,485,06613,653,498
2019-10-31$302.65$300.0011.2%3.1%11.2%6.6%12.1%4.7%-0.4%859.2M-32.08B-505.9M1.770.93N/AN/A895,9551,585,2667,451,62714,044,302