IWM Options History — March 2026 In March 2026, IWM traded between $239.38 and $263.61. ATM implied volatility averaged 29.4%, placing in the 37.3% IV rank vs the trailing year. The 30-day expected move averaged 8.3%. IV traded above realized volatility by 6.9% (HV 20d: 22.6%). Max pain ranged from $253.00 to $260.00. Net GEX was positive for 0 of 22 trading days. Term structure was in contango for 1 of 22 days. Put/call ratio averaged 2.01.
Notable Days 2026-03-09 : Highest Volume — 2,870,945 contracts2026-03-20 : Largest IV spike — 15.0% change2026-03-27 : Highest IV Rank — 51.8%2026-03-27 : Largest Expected Move — 9.9%Monthly Statistics Metric Avg Min Max Open Close Price $250.29 $239.38 $263.61 $263.61 $247.79 Max Pain $256.32 $253.00 $260.00 $255.00 $253.00 ATM IV 29.4% 23.9% 34.5% 23.9% 29.8% Expected Move 8.3% 7.0% 9.9% 7.3% 8.5% HV 20d 22.6% 19.7% 28.2% 21.4% 28.2% HV 60d 19.3% 17.2% 22.4% 17.2% 22.4% IV Rank 37.3% 21.5% 51.8% 21.5% 38.2% IV Percentile 92.1% 74.6% 97.6% 74.6% 90.5% Term Structure -0.5% -0.8% 0.5% 0.5% -0.4% VWIV 32.5% 28.2% 37.5% 30.7% 34.5% Skew 25d 8.6% 7.5% 10.5% 7.7% 8.1% Skew 10d 16.3% 14.0% 20.3% 14.0% 15.7% Call IV 25d 25.2% 20.7% 29.7% 20.7% 25.6% Put IV 25d 33.8% 28.2% 38.5% 28.4% 33.7% Bid-Ask Spread % 1.73 1.10 3.81 1.38 2.45 Gamma HHI 0.05 0.03 0.13 0.03 0.04 Net GEX -3.11B -5.61B -1.19B -1.49B -1.67B Net DEX 19.50B -4.06B 44.06B -2.97B 13.91B Net VEX -308.6M -330.5M -275.4M -285.2M -317.0M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 2.01 1.32 2.77 2.32 1.93 Total Volume 2,178,901.591 1,600,978 2,870,945 2,111,328 2,052,700 Total OI 10,017,431.955 8,910,109 11,222,140 9,472,347 9,328,229
Daily Data (22 trading days) Date Price Max Pain ATM IV Exp Move HV 20d IV Rank VWIV Skew 25d Term Str GEX DEX VEX P/C Spread % Call Vol Put Vol Call OI Put OI 2026-03-02 $263.61 $255.00 23.9% 7.3% 21.4% 21.5% 30.7% 7.7% 0.5% -1.49B -2.97B -285.2M 2.32 1.38 636,012 1,475,316 2,617,133 6,855,214 2026-03-03 $259.67 $255.00 26.0% 8.0% 21.8% 27.4% 32.8% 8.4% -0.4% -2.54B 5.64B -293.2M 1.96 1.21 846,188 1,655,228 2,652,782 6,795,698 2026-03-04 $262.74 $255.00 24.1% 7.2% 22.2% 22.0% 30.0% 7.5% -0.2% -1.29B -4.06B -275.4M 1.37 1.10 675,006 925,972 2,716,631 6,825,073 2026-03-05 $256.43 $260.00 26.6% 7.4% 23.9% 29.1% 28.2% 8.6% -0.5% -3.07B 12.17B -292.1M 1.41 1.35 1,071,056 1,509,770 2,724,115 6,896,038 2026-03-06 $250.80 $260.00 30.1% 8.3% 24.0% 39.1% 30.5% 10.5% -0.8% -4.02B 26.89B -309.7M 2.25 1.99 817,735 1,842,085 2,880,030 7,028,005 2026-03-09 $253.82 $260.00 28.4% 7.9% 20.0% 34.3% 32.0% 8.8% -0.6% -3.48B 17.38B -306.1M 2.07 2.06 934,187 1,936,758 2,872,986 7,324,693 2026-03-10 $253.57 $260.00 28.5% 8.0% 19.7% 34.5% 30.1% 9.0% -0.5% -3.48B 17.10B -307.9M 2.02 1.59 771,041 1,560,191 2,959,424 7,680,376 2026-03-11 $252.49 $260.00 28.5% 8.0% 19.7% 34.5% 30.4% 8.6% -0.4% -3.57B 18.97B -309.6M 1.52 1.41 764,003 1,159,195 2,956,304 7,688,844 2026-03-12 $247.55 $260.00 31.1% 7.0% 20.6% 42.1% 31.0% 8.7% -0.7% -4.37B 31.83B -318.6M 2.14 1.54 756,343 1,617,349 3,032,136 7,739,296 2026-03-13 $245.88 $259.00 31.6% 8.1% 19.8% 43.6% 32.4% 8.7% -0.7% -4.74B 34.00B -312.9M 1.77 1.77 733,601 1,296,566 3,131,323 7,832,168 2026-03-16 $248.92 $258.00 28.2% 8.1% 20.0% 33.8% 29.5% 8.4% -0.5% -3.39B 22.47B -304.8M 1.32 1.48 1,105,157 1,462,047 3,068,267 7,744,487 2026-03-17 $250.13 $256.00 26.7% 7.7% 20.1% 29.3% 29.6% 8.2% -0.4% -3.40B 20.26B -297.2M 2.31 1.54 497,928 1,150,256 2,928,851 7,687,151 2026-03-18 $246.31 $256.00 28.7% 8.2% 20.5% 35.2% 31.2% 8.4% -0.5% -4.34B 29.62B -305.1M 2.77 1.42 485,663 1,347,077 2,957,268 7,659,358 2026-03-19 $247.77 $255.00 28.5% 8.2% 20.7% 34.6% 31.5% 8.2% -0.5% -4.26B 24.85B -311.2M 1.88 3.81 888,780 1,668,347 2,997,030 7,865,018 2026-03-20 $240.91 $255.00 32.8% 9.4% 22.4% 46.9% 34.5% 8.6% -0.8% -5.61B 44.06B -317.8M 2.17 2.71 745,178 1,620,161 3,145,477 8,076,663 2026-03-23 $248.82 $254.00 30.1% 8.6% 25.5% 39.2% 33.0% 8.6% -0.4% -1.44B 11.86B -313.9M 1.66 1.39 752,737 1,249,312 2,541,595 6,368,514 2026-03-24 $248.94 $254.00 31.7% 9.1% 25.0% 43.9% 36.7% 9.2% -0.6% -1.43B 11.93B -317.8M 2.38 1.54 633,184 1,505,885 2,603,981 6,437,238 2026-03-25 $250.99 $254.00 30.6% 8.8% 25.2% 40.6% 34.4% 8.7% -0.3% -1.19B 9.12B -316.6M 2.72 1.41 524,876 1,426,562 2,624,712 6,608,970 2026-03-26 $247.20 $254.00 33.0% 9.5% 25.3% 47.6% 36.4% 9.0% -0.6% -2.80B 19.30B -326.1M 2.11 1.51 623,101 1,315,873 2,652,885 6,761,021 2026-03-27 $242.63 $253.00 34.5% 9.9% 25.3% 51.8% 37.2% 8.9% -0.4% -3.69B 31.93B -330.5M 2.29 1.90 617,839 1,412,180 2,704,244 7,010,032 2026-03-30 $239.38 $253.00 34.0% 9.8% 24.9% 50.5% 37.5% 8.3% -0.5% -3.26B 32.75B -321.9M 1.79 1.47 668,700 1,198,690 2,755,500 6,648,743 2026-03-31 $247.79 $253.00 29.8% 8.5% 28.2% 38.2% 34.5% 8.1% -0.4% -1.67B 13.91B -317.0M 1.93 2.45 700,738 1,351,962 2,659,030 6,669,199
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