SPY Options History — March 2026

In March 2026, SPY traded between $630.96 and $686.57. ATM implied volatility averaged 21.2%, placing in the 29.3% IV rank vs the trailing year. The 30-day expected move averaged 6.0%. IV traded above realized volatility by 6.9% (HV 20d: 14.3%). Max pain ranged from $665.00 to $685.00. Net GEX was positive for 0 of 22 trading days. Term structure was in contango for 3 of 22 days. Put/call ratio averaged 1.26.

Notable Days

  • 2026-03-31: Highest Volume — 13,819,959 contracts
  • 2026-03-06: Largest IV spike — 20.3% change
  • 2026-03-27: Highest IV Rank — 45.3%
  • 2026-03-27: Largest Expected Move — 7.7%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$663.71$630.96$686.57$686.34$650.25
Max Pain$678.50$665.00$685.00$684.00$665.00
ATM IV21.2%16.6%26.9%17.0%21.5%
Expected Move6.0%5.0%7.7%5.2%6.2%
HV 20d14.3%11.9%20.5%14.2%20.5%
HV 60d12.7%11.3%15.7%11.3%15.7%
IV Rank29.3%16.2%45.3%17.2%30.1%
IV Percentile88.6%71.4%96.8%74.6%88.9%
Term Structure-0.2%-0.7%0.2%0.2%0.1%
VWIV23.4%20.9%28.8%21.9%24.8%
Skew 25d9.1%7.8%11.7%8.6%7.8%
Skew 10d18.9%16.1%24.3%16.7%16.1%
Call IV 25d16.8%12.9%22.1%13.0%17.2%
Put IV 25d25.9%21.6%31.1%21.6%24.9%
Bid-Ask Spread %2.301.733.982.652.58
Gamma HHI0.040.020.090.020.04
Net GEX-14.54B-28.79B-3.05B-6.70B-8.49B
Net DEX79.33B952.1M173.52B14.44B39.73B
Net VEX-909.9M-989.4M-867.0M-878.2M-881.0M
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.260.971.721.611.72
Total Volume11,535,805.8188,808,13013,819,95910,678,12613,819,959
Total OI16,259,252.72714,745,19717,582,49814,745,19716,294,651

Daily Data (22 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-03-02$686.34$684.0017.0%5.2%14.2%17.2%21.9%8.6%0.2%-6.70B14.44B-878.2M1.612.65N/AN/A4,088,3836,589,7434,781,0299,964,168
2026-03-03$680.57$684.0018.6%5.7%14.2%21.8%23.8%9.4%-0.4%-15.06B48.71B-903.7M1.182.18N/AN/A5,667,5116,692,5234,942,11510,223,309
2026-03-04$686.57$683.0016.6%5.0%14.2%16.2%20.9%8.7%-0.1%-3.05B952.1M-905.4M1.231.86N/AN/A4,286,6115,260,9425,178,44610,364,839
2026-03-05$679.79$685.0018.6%5.2%14.6%21.9%22.7%9.8%-0.3%-14.38B48.42B-917.1M1.032.30N/AN/A6,286,1326,453,5275,204,10710,577,486
2026-03-06$672.68$684.0022.4%6.2%14.0%32.6%24.7%11.7%-0.7%-16.06B91.53B-989.4M1.142.37N/AN/A5,151,8375,892,6175,419,86111,060,088
2026-03-09$677.93$683.0019.8%5.6%12.2%25.3%22.6%10.0%-0.2%-7.95B41.17B-939.4M1.313.98N/AN/A5,442,6547,112,1165,335,99410,866,611
2026-03-10$677.51$682.0019.8%5.6%11.9%25.4%21.2%9.8%-0.2%-7.84B37.75B-949.3M1.342.41N/AN/A5,097,7166,851,8705,450,97011,215,977
2026-03-11$675.95$682.0019.8%5.6%11.9%25.2%21.8%9.2%-0.3%-12.54B51.79B-942.5M1.011.98N/AN/A5,088,4565,121,2865,485,07311,308,470
2026-03-12$666.95$681.0022.2%5.0%12.7%32.0%22.1%9.4%-0.5%-19.88B99.24B-949.7M0.972.14N/AN/A5,752,9885,592,8735,531,81911,395,548
2026-03-13$661.52$680.0023.1%5.4%12.0%34.8%24.0%9.1%-0.5%-21.77B115.56B-936.0M1.052.26N/AN/A5,805,4646,095,5115,714,45911,383,311
2026-03-16$668.61$680.0020.2%5.8%12.7%26.3%22.3%8.6%-0.2%-12.33B64.62B-891.6M1.392.21N/AN/A4,639,6796,427,0495,668,59911,200,343
2026-03-17$671.05$680.0018.6%5.3%12.7%21.9%20.9%8.2%-0.0%-11.90B51.99B-884.2M1.281.98N/AN/A4,239,1305,417,5635,687,47811,431,290
2026-03-18$661.80$680.0020.9%6.0%13.4%28.4%22.5%8.6%-0.2%-22.85B107.89B-898.5M1.242.58N/AN/A3,927,3884,880,7425,752,36511,464,129
2026-03-19$660.02$679.0020.7%6.0%13.3%27.8%22.4%8.4%-0.1%-22.17B104.48B-890.7M1.162.53N/AN/A5,494,0046,362,3455,993,70411,519,477
2026-03-20$646.35$677.0024.6%7.0%14.4%38.9%25.4%8.9%-0.4%-28.79B173.52B-898.7M1.123.06N/AN/A6,175,0236,943,0406,105,96211,476,536
2026-03-23$658.04$675.0021.4%6.1%15.9%29.7%22.7%9.0%-0.1%-6.07B57.60B-906.9M1.142.14N/AN/A5,369,1406,143,6885,306,0579,773,269
2026-03-24$653.60$675.0022.4%6.4%15.5%32.6%23.6%9.3%-0.2%-12.54B82.56B-901.2M1.401.83N/AN/A4,743,1086,662,0825,258,4029,908,052
2026-03-25$656.21$675.0021.6%6.2%15.2%30.4%23.5%9.0%-0.1%-10.08B67.64B-900.0M1.351.93N/AN/A4,480,0286,061,1125,373,07010,117,938
2026-03-26$645.35$673.0024.1%6.9%15.9%37.6%25.4%9.0%-0.3%-19.10B121.94B-899.2M1.171.73N/AN/A5,411,2156,357,2485,444,83510,235,320
2026-03-27$633.67$670.0026.9%7.7%16.8%45.3%28.8%9.0%-0.4%-20.89B167.19B-887.5M1.391.99N/AN/A5,703,2837,948,6615,702,56810,365,650
2026-03-30$630.96$670.0026.0%7.5%16.7%42.8%27.6%8.3%0.1%-19.39B156.64B-867.0M1.471.96N/AN/A4,951,6537,299,8285,767,83810,452,347
2026-03-31$650.25$665.0021.5%6.2%20.5%30.1%24.8%7.8%0.1%-8.49B39.73B-881.0M1.722.58N/AN/A5,077,5538,742,4065,803,62610,491,025