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 contracts
  • 2026-03-10: Largest IV spike — 12.8% change
  • 2026-03-30: Highest IV Rank — 49.8%
  • 2026-03-30: Largest Expected Move — 8.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$309.68$293.57$326.49$326.49$295.14
Max Pain$303.88$290.00$310.00$290.00$300.00
ATM IV25.7%23.3%30.1%24.3%28.4%
Expected Move7.5%6.6%8.6%7.6%8.1%
HV 20d26.2%21.3%29.3%21.3%23.7%
HV 60d21.1%19.2%22.3%19.4%22.3%
IV Rank35.4%27.4%49.8%30.9%44.1%
IV Percentile91.1%79.4%98.8%88.9%98.4%
Term Structure0.1%-1.8%3.0%-0.8%-0.6%
VWIV25.7%23.2%29.2%25.4%26.8%
Skew 25d3.1%-1.4%5.5%2.4%2.5%
Skew 10d7.2%-2.8%16.8%0.5%5.4%
Call IV 25d24.8%22.6%28.6%23.7%26.8%
Put IV 25d27.9%22.6%32.4%26.1%29.3%
Bid-Ask Spread %44.9214.3183.2075.5622.89
Gamma HHI0.150.100.270.180.12
Net GEX4.2M-7.8M27.6M20.5M-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 Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.690.0110.130.512.12
Total Volume20,864.551,328363,6193,1342,511
Total OI57,568.649,79464,18560,59951,740

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-03-02$326.49$290.0024.3%7.6%21.3%30.9%25.4%2.4%-0.8%20.5M-518.7M-1.3M0.5175.56N/AN/A2,0731,06124,16336,436
2026-03-03$325.88$290.0024.5%7.7%21.5%31.5%25.6%1.8%-0.3%21.1M-503.0M-1.3M1.1278.48N/AN/A1,6261,81824,54936,803
2026-03-04$319.55$290.0023.4%7.0%23.2%27.7%25.4%1.0%-0.1%23.9M-432.1M-1.3M2.0277.86N/AN/A5921,19325,23737,788
2026-03-05$315.90$300.0023.9%6.6%23.8%29.4%23.8%0.7%-0.7%21.0M-383.8M-1.4M2.3780.39N/AN/A6571,55825,34438,131
2026-03-06$317.14$300.0023.3%6.8%23.7%27.7%23.2%1.2%-0.3%23.4M-403.4M-1.4M0.6977.20N/AN/A1,6661,14425,45838,727
2026-03-09$319.29$300.0023.3%6.6%23.3%27.4%23.6%-1.4%0.0%27.6M-428.0M-1.3M0.0181.49N/AN/A361,2432,37624,58436,250
2026-03-10$306.66$310.0026.2%7.1%27.3%37.1%25.1%2.8%-1.8%-7.4M-62.0M-1.8M0.6678.18N/AN/A2,6601,75418,41937,520
2026-03-11$303.68$310.0023.4%7.4%27.6%27.7%25.4%3.8%2.3%-7.5M-37.0M-1.8M1.2883.20N/AN/A66785620,09937,770
2026-03-12$311.33$310.0026.2%7.6%28.5%36.9%27.3%4.1%0.1%-1.9M-139.9M-1.8M0.9420.09N/AN/A95089020,23138,035
2026-03-13$313.00$310.0025.5%7.4%28.5%34.6%25.5%4.0%0.5%-7.7M-165.9M-1.7M0.7521.04N/AN/A1,03878320,43438,255
2026-03-16$313.80$310.0025.4%7.3%28.4%34.4%24.6%3.7%0.7%7.1M-191.3M-1.6M1.1218.93N/AN/A84194219,85737,007
2026-03-18$308.52$310.0024.4%7.0%29.2%31.1%24.5%4.3%1.9%-141.2K-126.8M-1.7M0.8121.23N/AN/A1,03884020,96038,282
2026-03-19$310.19$310.0025.0%7.2%29.2%33.0%24.2%3.7%3.0%2.8M-145.7M-1.7M2.5517.98N/AN/A5631,43721,26138,463
2026-03-20$307.96$310.0026.2%7.5%29.3%36.8%26.6%5.5%1.3%-5.9M-100.5M-1.7M1.7614.31N/AN/A6941,22421,46639,036
2026-03-23$307.58$310.0026.9%7.8%28.9%39.4%25.4%5.0%-1.5%-1.6M-110.1M-1.7M0.4830.45N/AN/A89942918,07533,624
2026-03-24$302.87$310.0027.5%7.8%28.1%41.2%27.2%3.8%0.4%-4.5M-78.5M-1.7M1.6118.86N/AN/A7971,28718,51933,796
2026-03-26$297.65$305.0027.9%7.9%28.0%42.5%29.2%4.4%-0.4%-7.8M-42.2M-1.7M10.1331.12N/AN/A1,01010,23419,48834,592
2026-03-27$293.57$302.5028.4%8.1%26.1%44.3%27.0%4.2%-1.8%-7.2M-8.5M-1.7M1.8327.84N/AN/A6091,11619,88331,296
2026-03-30$297.32$300.0030.1%8.6%24.6%49.8%28.3%3.9%-0.2%-5.5M-44.5M-1.6M1.1021.22N/AN/A2,0042,21118,95230,842
2026-03-31$295.14$300.0028.4%8.1%23.7%44.1%26.8%2.5%-0.6%-6.5M-32.0M-1.6M2.1222.89N/AN/A8041,70719,86231,878