CORN Options History — January 2026

In January 2026, CORN traded between $17.02 and $17.94. ATM implied volatility averaged 22.1%, placing in the 25.5% IV rank vs the trailing year. The 30-day expected move averaged 5.4%. IV traded above realized volatility by 6.0% (HV 20d: 16.2%). Max pain ranged from $17.00 to $18.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 8 of 20 days. Put/call ratio averaged 0.12.

Notable Days

  • 2026-01-20: Highest Volume — 1,020 contracts
  • 2026-01-13: Largest IV spike — 83.4% change
  • 2026-01-13: Highest IV Rank — 73.3%
  • 2026-01-05: Largest Expected Move — 6.6%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$17.42$17.02$17.94$17.60$17.37
Max Pain$17.05$17.00$18.00$18.00$17.00
ATM IV22.1%15.5%44.1%21.4%18.3%
Expected Move5.4%4.4%6.6%6.1%5.3%
HV 20d16.2%9.9%18.8%9.9%18.3%
HV 60d14.1%12.1%15.0%12.1%14.8%
IV Rank25.5%11.2%73.3%24.0%17.3%
IV Percentile53.5%11.9%99.6%69.0%34.5%
Term Structure-0.6%-5.8%4.2%-1.6%0.6%
VWIV18.4%12.9%22.4%22.4%12.9%
Skew 25d-1.1%-5.3%5.1%5.1%1.1%
Skew 10d2.0%-14.2%89.3%89.3%1.5%
Call IV 25d19.3%15.9%23.1%21.5%17.3%
Put IV 25d18.1%14.4%26.6%26.6%18.3%
Bid-Ask Spread %99.1096.59108.05108.0596.99
Gamma HHI0.370.310.430.320.39
Net GEX362.4K272.6K428.5K398.9K304.7K
Net DEX-3.1M-5.2M-1.7M-4.4M-2.0M
Net VEX-11.4K-15.2K-8.5K-15.0K-9.0K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.120.000.810.000.81
Total Volume196.1601,0208398
Total OI6,600.65,7767,1537,0605,950

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2026-01-02$17.60$18.0021.4%6.1%9.9%24.0%22.4%5.1%-1.6%398.9K-4.4M-15.0K0.00108.05N/AN/A8306,514546
2026-01-05$17.86$17.0027.8%6.6%11.2%37.9%22.4%-3.9%-5.8%398.8K-4.8M-15.2K0.1397.57N/AN/A6386,525546
2026-01-06$17.80$17.0022.4%6.5%11.2%26.2%22.1%-2.3%-4.5%411.0K-4.9M-15.2K0.2598.11N/AN/A111286,544548
2026-01-07$17.93$17.0032.8%6.2%11.5%48.7%22.2%-2.0%-3.2%410.4K-5.0M-14.9K0.0297.48N/AN/A19336,531551
2026-01-08$17.94$17.0026.4%5.8%11.3%34.9%21.0%-0.5%-4.3%428.5K-5.2M-14.3K0.0296.59N/AN/A13236,555551
2026-01-09$17.89$17.0032.4%5.9%11.0%47.9%21.3%-0.3%-2.1%420.5K-5.1M-14.6K0.0096.95N/AN/A19906,551552
2026-01-12$17.16$17.0024.0%5.1%18.4%29.7%19.3%-5.3%-0.9%375.4K-2.8M-11.8K0.1497.31N/AN/A297426,506552
2026-01-13$17.02$17.0044.1%5.1%18.3%73.3%17.5%-4.8%-0.4%371.2K-2.4M-11.2K0.0197.36N/AN/A16516,496556
2026-01-14$17.07$17.0017.6%5.0%18.4%15.7%19.3%-4.6%-1.5%370.6K-2.6M-11.4K0.05101.81N/AN/A5736,585552
2026-01-15$17.02$17.0021.7%6.2%18.3%24.7%20.2%-3.8%4.2%343.1K-2.5M-11.4K0.03102.31N/AN/A7126,594544
2026-01-16$17.19$17.0016.6%4.8%18.4%13.5%16.6%-1.1%1.8%410.3K-2.8M-11.1K0.7598.47N/AN/A48366,615538
2026-01-20$17.16$17.0015.7%4.5%18.2%11.6%15.4%-1.3%2.3%410.6K-2.6M-10.4K0.0899.46N/AN/A948726,198498
2026-01-21$17.13$17.0019.1%5.5%18.2%18.9%17.5%-0.6%1.7%272.6K-1.7M-8.7K0.00100.83N/AN/A20805,358481
2026-01-22$17.20$17.0015.5%4.4%18.2%11.2%15.4%-0.7%2.5%296.8K-1.7M-8.5K0.0398.59N/AN/A11545,360481
2026-01-23$17.41$17.0016.1%4.6%18.8%12.4%15.6%0.5%0.0%319.5K-2.1M-8.8K0.0096.60N/AN/A33015,293483
2026-01-26$17.34$17.0016.0%4.6%18.6%12.1%16.1%-0.1%-0.2%327.0K-2.2M-9.1K0.0899.18N/AN/A143115,408484
2026-01-27$17.31$17.0016.4%4.7%18.5%13.1%14.3%0.3%3.5%323.5K-2.1M-8.9K0.0497.72N/AN/A12255,452491
2026-01-28$17.45$17.0018.2%5.2%18.3%17.1%18.1%-1.5%-2.4%328.3K-2.3M-9.7K0.01100.45N/AN/A14315,534487
2026-01-29$17.48$17.0019.9%5.7%18.2%20.8%19.4%2.8%-2.2%325.4K-2.4M-9.6K0.00100.22N/AN/A17605,514488
2026-01-30$17.37$17.0018.3%5.3%18.3%17.3%12.9%1.1%0.6%304.7K-2.0M-9.0K0.8196.99N/AN/A54445,462488