CME Options History — March 2026 In March 2026, CME traded between $293.57 and $326.49. ATM implied volatility averaged 25.7%, placing in the 35.4% IV rank vs the trailing year. The 30-day expected move averaged 7.5%. IV traded below realized volatility by 0.5% (HV 20d: 26.2%). Max pain ranged from $290.00 to $310.00. Net GEX was positive for 8 of 20 trading days. Term structure was in contango for 9 of 20 days. Put/call ratio averaged 1.69.
Notable Days 2026-03-09 : Highest Volume — 363,619 contracts2026-03-10 : Largest IV spike — 12.8% change2026-03-30 : Highest IV Rank — 49.8%2026-03-30 : Largest Expected Move — 8.6%Monthly Statistics Metric Avg Min Max Open Close Price $309.68 $293.57 $326.49 $326.49 $295.14 Max Pain $303.88 $290.00 $310.00 $290.00 $300.00 ATM IV 25.7% 23.3% 30.1% 24.3% 28.4% Expected Move 7.5% 6.6% 8.6% 7.6% 8.1% HV 20d 26.2% 21.3% 29.3% 21.3% 23.7% HV 60d 21.1% 19.2% 22.3% 19.4% 22.3% IV Rank 35.4% 27.4% 49.8% 30.9% 44.1% IV Percentile 91.1% 79.4% 98.8% 88.9% 98.4% Term Structure 0.1% -1.8% 3.0% -0.8% -0.6% VWIV 25.7% 23.2% 29.2% 25.4% 26.8% Skew 25d 3.1% -1.4% 5.5% 2.4% 2.5% Skew 10d 7.2% -2.8% 16.8% 0.5% 5.4% Call IV 25d 24.8% 22.6% 28.6% 23.7% 26.8% Put IV 25d 27.9% 22.6% 32.4% 26.1% 29.3% Bid-Ask Spread % 44.92 14.31 83.20 75.56 22.89 Gamma HHI 0.15 0.10 0.27 0.18 0.12 Net GEX 4.2M -7.8M 27.6M 20.5M -6.5M Net DEX -197.7M -518.7M -8.5M -518.7M -32.0M Net VEX -1.6M -1.8M -1.3M -1.3M -1.6M Div Yield 0.0% 0.0% 0.0% 0.0% 0.0% P/C Ratio 1.69 0.01 10.13 0.51 2.12 Total Volume 20,864.55 1,328 363,619 3,134 2,511 Total OI 57,568.6 49,794 64,185 60,599 51,740
Daily Data (20 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 Wall Put Wall Call Vol Put Vol Call OI Put OI 2026-03-02 $326.49 $290.00 24.3% 7.6% 21.3% 30.9% 25.4% 2.4% -0.8% 20.5M -518.7M -1.3M 0.51 75.56 N/A N/A 2,073 1,061 24,163 36,436 2026-03-03 $325.88 $290.00 24.5% 7.7% 21.5% 31.5% 25.6% 1.8% -0.3% 21.1M -503.0M -1.3M 1.12 78.48 N/A N/A 1,626 1,818 24,549 36,803 2026-03-04 $319.55 $290.00 23.4% 7.0% 23.2% 27.7% 25.4% 1.0% -0.1% 23.9M -432.1M -1.3M 2.02 77.86 N/A N/A 592 1,193 25,237 37,788 2026-03-05 $315.90 $300.00 23.9% 6.6% 23.8% 29.4% 23.8% 0.7% -0.7% 21.0M -383.8M -1.4M 2.37 80.39 N/A N/A 657 1,558 25,344 38,131 2026-03-06 $317.14 $300.00 23.3% 6.8% 23.7% 27.7% 23.2% 1.2% -0.3% 23.4M -403.4M -1.4M 0.69 77.20 N/A N/A 1,666 1,144 25,458 38,727 2026-03-09 $319.29 $300.00 23.3% 6.6% 23.3% 27.4% 23.6% -1.4% 0.0% 27.6M -428.0M -1.3M 0.01 81.49 N/A N/A 361,243 2,376 24,584 36,250 2026-03-10 $306.66 $310.00 26.2% 7.1% 27.3% 37.1% 25.1% 2.8% -1.8% -7.4M -62.0M -1.8M 0.66 78.18 N/A N/A 2,660 1,754 18,419 37,520 2026-03-11 $303.68 $310.00 23.4% 7.4% 27.6% 27.7% 25.4% 3.8% 2.3% -7.5M -37.0M -1.8M 1.28 83.20 N/A N/A 667 856 20,099 37,770 2026-03-12 $311.33 $310.00 26.2% 7.6% 28.5% 36.9% 27.3% 4.1% 0.1% -1.9M -139.9M -1.8M 0.94 20.09 N/A N/A 950 890 20,231 38,035 2026-03-13 $313.00 $310.00 25.5% 7.4% 28.5% 34.6% 25.5% 4.0% 0.5% -7.7M -165.9M -1.7M 0.75 21.04 N/A N/A 1,038 783 20,434 38,255 2026-03-16 $313.80 $310.00 25.4% 7.3% 28.4% 34.4% 24.6% 3.7% 0.7% 7.1M -191.3M -1.6M 1.12 18.93 N/A N/A 841 942 19,857 37,007 2026-03-18 $308.52 $310.00 24.4% 7.0% 29.2% 31.1% 24.5% 4.3% 1.9% -141.2K -126.8M -1.7M 0.81 21.23 N/A N/A 1,038 840 20,960 38,282 2026-03-19 $310.19 $310.00 25.0% 7.2% 29.2% 33.0% 24.2% 3.7% 3.0% 2.8M -145.7M -1.7M 2.55 17.98 N/A N/A 563 1,437 21,261 38,463 2026-03-20 $307.96 $310.00 26.2% 7.5% 29.3% 36.8% 26.6% 5.5% 1.3% -5.9M -100.5M -1.7M 1.76 14.31 N/A N/A 694 1,224 21,466 39,036 2026-03-23 $307.58 $310.00 26.9% 7.8% 28.9% 39.4% 25.4% 5.0% -1.5% -1.6M -110.1M -1.7M 0.48 30.45 N/A N/A 899 429 18,075 33,624 2026-03-24 $302.87 $310.00 27.5% 7.8% 28.1% 41.2% 27.2% 3.8% 0.4% -4.5M -78.5M -1.7M 1.61 18.86 N/A N/A 797 1,287 18,519 33,796 2026-03-26 $297.65 $305.00 27.9% 7.9% 28.0% 42.5% 29.2% 4.4% -0.4% -7.8M -42.2M -1.7M 10.13 31.12 N/A N/A 1,010 10,234 19,488 34,592 2026-03-27 $293.57 $302.50 28.4% 8.1% 26.1% 44.3% 27.0% 4.2% -1.8% -7.2M -8.5M -1.7M 1.83 27.84 N/A N/A 609 1,116 19,883 31,296 2026-03-30 $297.32 $300.00 30.1% 8.6% 24.6% 49.8% 28.3% 3.9% -0.2% -5.5M -44.5M -1.6M 1.10 21.22 N/A N/A 2,004 2,211 18,952 30,842 2026-03-31 $295.14 $300.00 28.4% 8.1% 23.7% 44.1% 26.8% 2.5% -0.6% -6.5M -32.0M -1.6M 2.12 22.89 N/A N/A 804 1,707 19,862 31,878
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