CORN Options History — April 2025

In April 2025, CORN traded between $18.68 and $19.62. ATM implied volatility averaged 21.9%, placing in the 26.4% IV rank vs the trailing year. The 30-day expected move averaged 6.2%. IV traded above realized volatility by 9.7% (HV 20d: 12.2%). 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 16 of 21 days. Put/call ratio averaged 1.29.

Notable Days

  • 2025-04-11: Highest Volume — 1,311 contracts
  • 2025-04-04: Largest IV spike — 52.8% change
  • 2025-04-04: Highest IV Rank — 54.2%
  • 2025-04-04: Largest Expected Move — 10.2%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$19.09$18.68$19.62$18.73$18.75
Max Pain$18.67$18.00$19.00$18.00$19.00
ATM IV21.9%18.7%34.9%22.9%21.4%
Expected Move6.2%5.4%10.2%6.3%6.1%
HV 20d12.2%9.8%15.0%11.7%14.7%
HV 60d15.2%14.6%16.4%16.4%14.6%
IV Rank26.4%19.5%54.2%28.4%25.3%
IV Percentile68.2%44.4%98.8%84.5%72.2%
Term Structure1.7%-7.8%28.0%-0.8%-7.8%
VWIV21.2%18.3%28.7%22.0%19.9%
Skew 25d-1.5%-7.2%8.2%2.8%-2.2%
Skew 10d0.6%-22.8%47.3%47.3%5.3%
Call IV 25d21.3%16.0%29.6%20.2%18.0%
Put IV 25d19.9%14.0%32.4%22.9%15.8%
Bid-Ask Spread %106.9795.18122.72102.01119.20
Gamma HHI0.400.340.490.480.41
Net GEX174.2K100.4K244.6K117.6K183.0K
Net DEX-2.0M-3.1M-1.2M-1.4M-1.7M
Net VEX-14.1K-17.0K-11.2K-12.0K-14.4K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio1.290.0116.000.070.03
Total Volume258.762131,3114575
Total OI5,382.0484,2036,3984,3306,384

Daily Data (21 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-04-01$18.73$18.0022.9%6.3%11.7%28.4%22.0%2.8%-0.8%117.6K-1.4M-12.0K0.07102.01N/AN/A4233,790540
2025-04-02$18.72$18.0023.6%6.2%11.5%29.9%24.6%-1.6%0.8%115.5K-1.3M-11.2K16.0095.18N/AN/A2323,801542
2025-04-03$18.69$18.0022.9%6.4%10.8%28.4%23.6%8.2%1.0%106.8K-1.2M-11.4K0.18116.21N/AN/A1123,803523
2025-04-04$18.73$18.0034.9%10.2%9.9%54.2%20.1%-0.9%-1.8%100.4K-1.4M-12.0K1.47122.72N/AN/A831223,803524
2025-04-07$18.76$18.0030.3%7.9%9.8%44.4%28.7%-5.4%-2.8%124.6K-1.4M-11.5K0.43122.55N/AN/A70303,782421
2025-04-08$18.69$18.0023.3%6.4%9.8%29.4%19.9%-7.2%2.1%128.0K-1.5M-11.5K0.54104.25N/AN/A139753,820451
2025-04-09$18.99$18.0021.2%6.1%10.1%24.9%21.2%-2.9%0.2%147.0K-1.6M-11.8K2.26115.66N/AN/A912063,943523
2025-04-10$19.16$19.0021.0%6.0%10.4%24.4%21.3%-6.9%0.2%113.2K-1.6M-12.6K0.43119.72N/AN/A220953,976856
2025-04-11$19.58$19.0021.6%6.2%12.6%25.7%21.3%-1.5%1.4%175.3K-2.4M-14.7K0.3696.55N/AN/A9653464,155941
2025-04-14$19.52$19.0020.0%5.7%12.5%22.3%20.5%3.5%1.4%193.2K-2.7M-16.5K1.5297.53N/AN/A1972994,9701,226
2025-04-15$19.50$19.0018.9%5.4%12.4%19.9%20.0%-3.7%4.3%201.7K-2.8M-16.2K0.2497.97N/AN/A270654,9581,090
2025-04-16$19.62$19.0019.4%5.5%12.5%20.9%20.5%3.4%3.7%244.6K-3.1M-17.0K0.06107.23N/AN/A172115,1121,110
2025-04-17$19.56$19.0018.8%5.4%12.6%19.6%19.8%-0.2%28.0%231.4K-3.0M-16.7K0.0796.18N/AN/A260185,0461,108
2025-04-21$19.54$19.0020.5%5.9%12.3%23.4%20.5%7.8%-6.8%227.2K-2.9M-16.3K0.12106.77N/AN/A280344,918758
2025-04-22$19.23$19.0020.2%5.8%13.8%22.6%20.9%-3.9%0.6%219.0K-2.3M-14.9K0.39101.52N/AN/A207805,034760
2025-04-23$19.05$19.0018.7%5.4%13.9%19.5%18.3%-4.7%3.1%199.3K-2.3M-16.1K0.14100.15N/AN/A140205,129725
2025-04-24$19.16$19.0020.8%6.0%13.3%24.0%21.0%-5.5%1.7%216.0K-2.4M-15.6K0.0299.92N/AN/A16835,173722
2025-04-25$19.14$19.0020.0%5.7%13.2%22.2%18.6%-2.9%2.9%226.9K-2.4M-15.3K0.01116.91N/AN/A22035,303722
2025-04-28$19.00$19.0019.9%5.7%13.6%21.9%22.0%-2.8%2.5%219.9K-2.2M-14.9K0.76105.78N/AN/A1581205,464719
2025-04-29$18.68$19.0020.2%5.8%15.0%22.5%20.1%-4.3%2.6%167.0K-1.4M-13.6K2.03102.42N/AN/A33675,578820
2025-04-30$18.75$19.0021.4%6.1%14.7%25.3%19.9%-2.2%-7.8%183.0K-1.7M-14.4K0.03119.20N/AN/A7325,572812