CORN Options History — November 2025

In November 2025, CORN traded between $17.61 and $18.29. ATM implied volatility averaged 17.4%, placing in the 14.7% IV rank vs the trailing year. The 30-day expected move averaged 4.6%. IV traded above realized volatility by 4.5% (HV 20d: 12.8%). Max pain ranged from $16.00 to $18.00. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 13 of 19 days. Put/call ratio averaged 0.23.

Notable Days

  • 2025-11-13: Highest Volume — 935 contracts
  • 2025-11-10: Largest IV spike — 38.4% change
  • 2025-11-10: Highest IV Rank — 34.6%
  • 2025-11-05: Largest Expected Move — 6.4%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$17.87$17.61$18.29$17.96$17.98
Max Pain$17.16$16.00$18.00$17.00$18.00
ATM IV17.4%11.6%26.4%17.8%12.9%
Expected Move4.6%3.3%6.4%5.1%3.7%
HV 20d12.8%10.1%15.4%10.1%15.2%
HV 60d12.0%11.3%12.7%12.2%12.0%
IV Rank14.7%2.1%34.6%15.8%5.0%
IV Percentile35.1%0.8%95.6%36.1%6.3%
Term Structure1.0%-6.2%10.0%-1.4%4.5%
VWIV17.0%12.9%24.1%17.9%12.9%
Skew 25d5.5%-10.3%72.7%-4.0%8.2%
Skew 10d7.9%-8.9%111.9%-6.4%13.2%
Call IV 25d17.8%13.1%22.2%19.7%14.5%
Put IV 25d23.3%11.6%90.3%15.7%22.7%
Bid-Ask Spread %107.56103.77121.88105.01106.28
Gamma HHI0.490.400.570.470.44
Net GEX309.1K211.6K387.8K336.2K254.4K
Net DEX-3.2M-4.2M-2.2M-3.7M-2.7M
Net VEX-15.1K-16.2K-13.4K-16.2K-14.1K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.230.001.330.000.33
Total Volume181.6325093562138
Total OI5,886.5794,6226,4965,9894,791

Daily Data (19 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-11-03$17.96$17.0017.8%5.1%10.1%15.8%17.9%-4.0%-1.4%336.2K-3.7M-16.2K0.00105.01N/AN/A6205,299690
2025-11-04$17.86$17.0020.7%5.9%10.1%22.0%19.6%-10.3%-6.2%319.5K-3.4M-15.8K0.53108.30N/AN/A74395,322690
2025-11-05$18.02$17.0022.2%6.4%10.4%25.2%21.3%72.7%-5.8%329.1K-3.5M-15.5K0.08106.39N/AN/A8375,331724
2025-11-06$17.81$16.0020.0%4.4%11.1%20.5%14.5%4.0%2.1%321.7K-3.4M-16.0K0.05107.07N/AN/A191105,297730
2025-11-07$17.75$16.0019.1%5.4%10.6%18.5%0.0%4.3%-3.4%306.0K-3.1M-14.9K0.00108.49N/AN/A7105,272740
2025-11-10$17.89$16.0026.4%4.3%10.6%34.6%16.0%4.0%3.7%297.1K-3.2M-15.1K0.01109.00N/AN/A13525,219740
2025-11-11$18.00$16.0022.9%4.8%10.7%26.9%0.0%0.5%2.7%313.3K-3.4M-14.8K0.01106.82N/AN/A13015,169741
2025-11-12$18.02$16.0018.0%5.2%10.4%16.1%19.9%2.0%1.7%350.1K-3.5M-15.5K0.00108.91N/AN/A13505,299741
2025-11-13$18.29$16.0016.6%4.8%11.3%13.1%17.6%-4.6%-0.0%379.9K-4.2M-15.8K0.07104.95N/AN/A875605,380741
2025-11-14$17.88$18.0014.7%4.2%14.4%8.9%16.0%-0.5%1.1%387.8K-3.7M-15.9K0.06106.21N/AN/A410245,645776
2025-11-17$18.01$17.0015.8%4.5%14.5%11.4%15.3%2.4%2.2%375.8K-3.6M-15.4K0.17105.65N/AN/A103185,654797
2025-11-18$18.00$18.0012.8%3.7%14.3%4.7%16.6%3.9%10.0%378.5K-3.5M-15.8K0.02121.88N/AN/A5215,675812
2025-11-19$17.74$18.0013.9%4.0%15.3%7.1%24.1%1.6%1.7%329.4K-3.1M-15.4K0.02111.12N/AN/A4915,683813
2025-11-20$17.62$18.0017.4%5.0%15.2%14.8%15.7%-4.1%1.8%295.5K-2.8M-14.6K0.61104.79N/AN/A98605,672814
2025-11-21$17.61$18.0018.1%5.2%15.1%16.4%17.8%7.7%-2.1%211.6K-2.4M-14.1K1.33109.96N/AN/A54725,645812
2025-11-24$17.61$18.0011.6%3.3%14.3%2.1%13.3%-1.6%3.7%221.7K-2.2M-13.4K0.18104.55N/AN/A243434,195427
2025-11-25$17.64$18.0012.7%3.6%14.3%4.4%13.8%10.1%0.9%223.2K-2.4M-14.1K0.69103.77N/AN/A54374,280470
2025-11-26$17.92$18.0015.9%4.6%15.4%11.5%15.9%7.7%2.2%242.6K-2.6M-14.6K0.17104.48N/AN/A102174,289470
2025-11-28$17.98$18.0012.9%3.7%15.2%5.0%12.9%8.2%4.5%254.4K-2.7M-14.1K0.33106.28N/AN/A104344,321470