CORN Options History — March 2025

In March 2025, CORN traded between $18.48 and $19.13. ATM implied volatility averaged 24.4%, placing in the 37.5% IV rank vs the trailing year. The 30-day expected move averaged 6.0%. IV traded above realized volatility by 8.1% (HV 20d: 16.4%). Max pain ranged from $18.00 to $19.00. Net GEX was positive for 21 of 21 trading days. Term structure was in contango for 2 of 21 days. Put/call ratio averaged 1.73.

Notable Days

  • 2025-03-04: Highest Volume — 397 contracts
  • 2025-03-19: Largest IV spike — 151.6% change
  • 2025-03-19: Highest IV Rank — 100.0%
  • 2025-03-04: Largest Expected Move — 6.8%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$18.80$18.48$19.13$18.70$18.55
Max Pain$18.90$18.00$19.00$19.00$18.00
ATM IV24.4%17.4%56.3%22.2%23.9%
Expected Move6.0%4.7%6.8%6.4%6.4%
HV 20d16.4%11.6%18.0%17.4%11.6%
HV 60d16.6%16.4%16.8%16.6%16.4%
IV Rank37.5%16.7%100.0%36.7%30.5%
IV Percentile81.3%31.0%100.0%81.0%88.5%
Term Structure-2.8%-28.8%7.0%-1.2%-0.9%
VWIV21.2%14.7%24.4%22.4%22.4%
Skew 25d3.7%-8.7%39.4%2.7%2.0%
Skew 10d3.9%-9.7%27.5%5.4%3.1%
Call IV 25d22.0%13.0%33.6%18.6%20.8%
Put IV 25d25.7%21.3%67.7%21.3%22.8%
Bid-Ask Spread %102.9790.27126.29103.2094.24
Gamma HHI0.380.320.480.320.47
Net GEX169.3K98.3K357.6K152.3K105.8K
Net DEX-1.4M-1.9M-1.1M-1.2M-1.1M
Net VEX-13.2K-14.9K-11.0K-13.5K-11.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.730.0016.000.580.48
Total Volume142.095739732186
Total OI5,232.0484,2055,7725,3474,295

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-03-03$18.70$19.0022.2%6.4%17.4%36.7%22.4%2.7%-1.2%152.3K-1.2M-13.5K0.58103.20N/AN/A2031184,706641
2025-03-04$18.54$19.0023.8%6.8%16.8%41.5%22.8%4.5%0.3%136.9K-1.1M-13.5K0.5498.35N/AN/A2571404,729677
2025-03-05$18.64$19.0017.7%5.1%16.6%23.6%14.7%-2.8%-0.7%156.3K-1.2M-13.3K0.15122.84N/AN/A148224,906691
2025-03-06$18.85$19.0022.6%6.5%17.4%38.0%22.6%-2.2%-1.2%166.8K-1.5M-14.5K0.23103.02N/AN/A247564,875682
2025-03-07$19.07$19.0020.0%5.7%18.0%30.3%20.3%-0.1%-1.1%183.5K-1.7M-14.3K0.6997.75N/AN/A128884,889695
2025-03-10$19.13$19.0022.2%6.4%17.7%36.7%20.4%5.0%-0.9%201.0K-1.9M-14.9K0.02122.48N/AN/A28254,991703
2025-03-11$19.05$19.0022.5%5.2%17.2%37.7%20.8%1.4%-1.3%183.6K-1.8M-14.8K1.25124.79N/AN/A16204,949704
2025-03-12$18.77$19.0024.6%5.9%17.6%43.8%21.1%0.4%-3.8%166.3K-1.3M-13.5K0.8296.78N/AN/A33274,955713
2025-03-13$18.88$19.0024.9%5.1%17.2%44.9%19.8%10.7%-6.2%187.3K-1.6M-13.6K0.15106.37N/AN/A143224,969689
2025-03-14$18.82$19.0023.7%4.7%17.1%41.2%15.0%6.7%-1.5%171.6K-1.4M-13.4K1.91126.29N/AN/A11214,950694
2025-03-17$18.98$19.0024.3%6.3%17.4%43.0%23.2%-8.7%-2.5%201.4K-1.5M-13.2K0.0598.09N/AN/A5634,956695
2025-03-18$18.92$19.0022.4%6.1%16.5%37.4%0.0%4.3%-1.3%205.5K-1.5M-13.2K0.00102.28N/AN/A705,003702
2025-03-19$18.90$19.0056.3%6.4%16.5%100.0%24.4%39.4%-28.8%177.0K-1.4M-13.0K0.48114.42N/AN/A25125,008702
2025-03-20$18.99$19.0022.5%6.1%16.6%27.7%21.4%2.0%-1.6%357.6K-1.6M-13.2K0.2391.08N/AN/A70165,021694
2025-03-21$18.87$19.0022.4%6.3%16.3%27.3%21.8%-0.8%-0.3%256.6K-1.3M-13.3K7.8592.17N/AN/A342675,080692
2025-03-24$18.91$19.0023.1%6.1%16.0%28.8%21.4%-1.2%-2.3%124.5K-1.5M-13.0K0.2090.39N/AN/A50103,699506
2025-03-25$18.75$19.0017.4%6.1%16.1%16.7%21.4%10.4%7.0%116.8K-1.3M-12.3K16.00100.83N/AN/A1163,706516
2025-03-26$18.55$19.0024.1%6.2%16.3%31.0%23.0%2.9%-2.3%104.4K-1.1M-11.9K2.8191.10N/AN/A21593,707528
2025-03-27$18.50$19.0026.3%6.4%14.7%35.7%22.5%4.3%-4.8%98.3K-1.1M-11.8K0.9790.27N/AN/A39383,705564
2025-03-28$18.48$18.0026.3%6.8%13.2%35.7%23.0%-2.4%-3.1%102.2K-1.1M-12.1K0.9395.74N/AN/A97903,733553
2025-03-31$18.55$18.0023.9%6.4%11.6%30.5%22.4%2.0%-0.9%105.8K-1.1M-11.0K0.4894.24N/AN/A58283,758537