CORN Options History — June 2025

In June 2025, CORN traded between $17.55 and $18.61. ATM implied volatility averaged 22.1%, placing in the 26.7% IV rank vs the trailing year. The 30-day expected move averaged 6.5%. IV traded above realized volatility by 8.0% (HV 20d: 14.1%). Max pain ranged from $16.00 to $18.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 4 of 20 days. Put/call ratio averaged 0.63.

Notable Days

  • 2025-06-16: Highest Volume — 1,136 contracts
  • 2025-06-09: Largest IV spike — 34.4% change
  • 2025-06-10: Highest IV Rank — 36.9%
  • 2025-06-26: Largest Expected Move — 6.9%

Monthly Statistics

MetricAvgMinMaxOpenClose
Price$18.13$17.55$18.61$18.05$17.69
Max Pain$17.40$16.00$18.00$18.00$18.00
ATM IV22.1%16.1%26.8%21.0%23.4%
Expected Move6.5%5.8%6.9%6.0%6.7%
HV 20d14.1%11.4%15.8%13.0%15.8%
HV 60d13.5%12.6%14.3%12.8%14.3%
IV Rank26.7%13.9%36.9%24.4%29.4%
IV Percentile74.4%21.0%95.6%68.3%85.3%
Term Structure-3.3%-10.6%1.9%0.5%-9.4%
VWIV22.9%16.3%26.4%20.1%22.8%
Skew 25d-1.8%-12.5%8.5%4.1%-4.1%
Skew 10d-0.5%-10.5%12.6%1.8%0.6%
Call IV 25d21.9%13.1%26.5%14.5%20.6%
Put IV 25d20.1%13.7%27.6%18.6%16.5%
Bid-Ask Spread %105.3095.70132.80111.3197.31
Gamma HHI0.230.200.300.210.29
Net GEX272.1K176.0K390.4K237.0K199.1K
Net DEX-2.0M-3.5M-866.5K-1.6M-1.1M
Net VEX-12.0K-15.7K-8.1K-11.4K-8.6K
Div Yield0.0%0.0%0.0%0.0%0.0%
P/C Ratio0.630.016.230.110.79
Total Volume144.65351,1367952
Total OI10,021.459,39710,8209,39710,580

Daily Data (20 trading days)

DatePriceMax PainATM IVExp MoveHV 20dIV RankVWIVSkew 25dTerm StrGEXDEXVEXP/CSpread %Call WallPut WallCall VolPut VolCall OIPut OI
2025-06-02$18.05$18.0021.0%6.0%13.0%24.4%20.1%4.1%0.5%237.0K-1.6M-11.4K0.11111.31N/AN/A7189,043354
2025-06-03$18.16$18.0021.8%6.2%11.4%26.1%16.3%4.3%1.2%258.8K-1.9M-12.8K0.43114.80N/AN/A42189,097358
2025-06-04$18.37$18.0020.9%6.0%12.1%24.1%20.9%7.0%1.9%284.1K-2.2M-13.0K0.10110.50N/AN/A5869,116357
2025-06-05$18.50$16.0017.1%6.6%12.1%16.0%22.9%-3.1%-2.1%303.7K-2.7M-14.9K0.03109.84N/AN/A3619,117358
2025-06-06$18.61$16.0016.1%6.4%12.2%13.9%25.1%-3.1%1.9%282.1K-2.4M-13.5K0.0998.22N/AN/A5559,122359
2025-06-09$18.23$16.0021.6%6.6%14.4%25.7%22.8%-2.1%-0.9%263.4K-1.8M-11.2K0.1395.70N/AN/A207269,119364
2025-06-10$18.27$16.0026.8%6.7%14.3%36.9%24.0%-6.5%-1.7%294.4K-2.4M-14.0K0.4498.76N/AN/A39179,242377
2025-06-11$18.26$16.0022.6%6.5%14.1%27.7%0.0%-5.2%-10.6%302.2K-2.2M-13.1K6.2399.16N/AN/A221379,263385
2025-06-12$18.30$16.0020.3%5.8%14.0%22.8%20.6%-6.1%-7.7%296.8K-2.1M-12.3K1.50118.05N/AN/A14219,272491
2025-06-13$18.40$18.0022.3%6.4%14.1%27.1%23.8%-4.7%-2.4%304.8K-2.5M-13.8K0.05113.81N/AN/A3729,278495
2025-06-16$18.10$18.0022.6%6.5%15.1%27.7%24.2%-0.1%-0.3%348.8K-2.0M-12.2K0.01101.66N/AN/A1,124129,299495
2025-06-17$18.24$18.0023.5%6.7%14.7%29.8%25.7%2.1%-0.0%390.4K-2.7M-14.3K0.09105.73N/AN/A1461310,313507
2025-06-18$18.43$18.0021.3%6.1%14.0%25.1%21.6%-1.1%-10.3%339.8K-3.5M-15.7K0.01132.80N/AN/A207210,330447
2025-06-20$18.32$18.0023.0%6.6%13.5%28.7%22.4%0.9%-1.7%305.4K-3.0M-14.1K0.18102.46N/AN/A49910,350447
2025-06-23$17.98$18.0023.8%6.8%14.9%30.4%24.1%-5.7%-4.4%249.5K-1.5M-10.3K0.11104.81N/AN/A122149,856395
2025-06-24$17.80$18.0023.5%6.7%15.2%29.8%24.2%-12.5%-9.9%208.5K-1.2M-9.3K0.6896.74N/AN/A38269,957439
2025-06-25$17.59$18.0022.9%6.6%15.3%28.4%21.1%-5.4%-1.4%185.1K-928.4K-8.4K0.9898.80N/AN/A61609,985449
2025-06-26$17.55$18.0023.9%6.9%15.3%30.6%25.2%-2.8%-2.5%176.0K-866.5K-8.1K0.2596.48N/AN/A601510,040439
2025-06-27$17.73$18.0023.4%6.7%15.8%29.5%26.4%8.5%-6.5%211.8K-1.2M-9.8K0.3399.08N/AN/A461510,086448
2025-06-30$17.69$18.0023.4%6.7%15.8%29.4%22.8%-4.1%-9.4%199.1K-1.1M-8.6K0.7997.31N/AN/A292310,132448