CORN Options History — February 2026

In February 2026, CORN traded between $17.27 and $17.89. ATM implied volatility averaged 16.9%, placing in the 14.3% IV rank vs the trailing year. The 30-day expected move averaged 4.8%. IV traded above realized volatility by 4.7% (HV 20d: 12.3%). Max pain ranged from $16.00 to $17.00. Net GEX was positive for 19 of 19 trading days. Term structure was in contango for 10 of 19 days. Put/call ratio averaged 0.04.

Notable Days

2026-02-20: Highest Volume — 8,947 contracts
2026-02-20: Largest IV spike — 55.1% change
2026-02-09: Highest IV Rank — 24.2%
2026-02-03: Largest Expected Move — 5.5%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$17.53	$17.27	$17.89	$17.27	$17.89
Max Pain	$16.42	$16.00	$17.00	$17.00	$17.00
ATM IV	16.9%	11.8%	21.5%	18.4%	18.0%
Expected Move	4.8%	3.4%	5.5%	5.3%	5.2%
HV 20d	12.3%	9.1%	18.3%	18.3%	9.5%
HV 60d	14.0%	13.2%	14.8%	14.8%	13.3%
IV Rank	14.3%	3.0%	24.2%	17.4%	16.7%
IV Percentile	24.8%	1.6%	66.7%	34.9%	34.9%
Term Structure	0.5%	-2.9%	14.3%	-1.5%	-0.1%
VWIV	17.6%	14.4%	20.2%	18.0%	17.1%
Skew 25d	-2.3%	-7.8%	1.5%	-1.2%	0.8%
Skew 10d	0.4%	-8.8%	3.2%	-1.0%	2.5%
Call IV 25d	17.4%	13.4%	21.8%	19.6%	13.4%
Put IV 25d	15.2%	11.3%	20.4%	18.4%	14.1%
Bid-Ask Spread %	79.88	11.69	105.83	97.22	25.20
Gamma HHI	0.37	0.26	0.59	0.39	0.26
Net GEX	395.3K	245.8K	668.8K	294.6K	630.6K
Net DEX	-4.6M	-11.4M	-1.8M	-1.8M	-11.4M
Net VEX	-25.4K	-67.9K	-7.3K	-8.6K	-67.9K
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.04	0.00	0.28	0.00	0.03
Total Volume	846.474	32	8,947	84	281
Total OI	8,904.737	5,936	15,666	5,950	15,666

Daily Data (19 trading days)

Date	Price	Max Pain	ATM IV	Exp Move	HV 20d	IV Rank	VWIV	Skew 25d	Term Str	GEX	DEX	VEX	P/C	Spread %	Call Wall	Put Wall	Call Vol	Put Vol	Call OI	Put OI
2026-02-02	$17.27	$17.00	18.4%	5.3%	18.3%	17.4%	18.0%	-1.2%	-1.5%	294.6K	-1.8M	-8.6K	0.00	97.22	N/A	N/A	84	0	5,459	491
2026-02-03	$17.38	$17.00	19.3%	5.5%	17.6%	19.4%	19.6%	-0.8%	-2.8%	313.0K	-2.1M	-9.0K	0.00	97.88	N/A	N/A	53	0	5,452	491
2026-02-04	$17.40	$17.00	19.2%	5.5%	17.6%	19.3%	18.4%	-0.2%	-0.7%	308.8K	-2.0M	-8.8K	0.01	89.33	N/A	N/A	127	1	5,445	491
2026-02-05	$17.59	$16.00	15.9%	4.8%	17.8%	12.0%	18.6%	1.5%	0.8%	340.7K	-2.6M	-9.4K	0.15	98.99	N/A	N/A	115	17	5,526	492
2026-02-06	$17.46	$16.00	17.7%	5.0%	18.0%	16.0%	17.6%	0.7%	-2.3%	330.1K	-2.3M	-9.0K	0.02	100.06	N/A	N/A	196	4	5,529	509
2026-02-09	$17.40	$16.00	21.5%	4.6%	18.0%	24.2%	19.3%	-1.6%	0.5%	311.9K	-2.1M	-8.7K	0.28	100.33	N/A	N/A	32	9	5,504	508
2026-02-10	$17.44	$16.00	16.7%	4.6%	9.9%	13.9%	18.0%	-0.9%	1.3%	320.4K	-2.1M	-8.1K	0.00	100.13	N/A	N/A	130	0	5,494	510
2026-02-11	$17.46	$16.00	15.3%	4.4%	9.3%	10.7%	16.5%	-0.9%	1.5%	285.0K	-2.1M	-7.6K	0.00	100.13	N/A	N/A	150	0	5,493	510
2026-02-12	$17.62	$16.00	15.8%	4.5%	9.7%	11.9%	15.8%	1.2%	0.9%	369.9K	-2.5M	-7.9K	0.09	103.78	N/A	N/A	66	6	5,495	510
2026-02-13	$17.64	$16.00	17.0%	4.9%	9.5%	14.4%	14.4%	-3.8%	-0.2%	379.6K	-2.5M	-7.9K	0.01	103.13	N/A	N/A	107	1	5,478	504
2026-02-17	$17.44	$16.00	14.9%	4.3%	10.1%	9.8%	18.6%	-5.9%	-2.1%	291.8K	-2.1M	-7.3K	0.02	100.10	N/A	N/A	1,673	29	5,465	504
2026-02-18	$17.46	$16.00	15.7%	4.5%	10.0%	11.5%	0.0%	-4.3%	-2.9%	307.8K	-3.0M	-14.0K	0.00	105.83	N/A	N/A	97	0	6,982	509
2026-02-19	$17.46	$16.00	11.8%	3.4%	10.0%	3.0%	17.6%	-6.3%	14.3%	245.8K	-3.3M	-14.8K	0.00	103.35	N/A	N/A	3,463	10	7,036	497
2026-02-20	$17.61	$16.00	18.2%	5.2%	10.3%	17.1%	15.7%	-7.8%	0.7%	295.1K	-5.7M	-29.1K	0.00	100.92	N/A	N/A	8,925	22	10,026	494
2026-02-23	$17.62	$17.00	17.3%	5.0%	9.5%	15.1%	17.2%	-4.1%	1.6%	617.6K	-9.9M	-65.6K	0.02	11.69	N/A	N/A	257	4	15,326	219
2026-02-24	$17.59	$17.00	14.9%	4.3%	9.3%	9.8%	16.1%	-4.9%	0.2%	595.2K	-10.1M	-65.8K	0.03	26.84	N/A	N/A	31	1	15,286	223
2026-02-25	$17.68	$17.00	15.8%	4.5%	9.4%	11.8%	20.2%	-2.3%	1.7%	604.9K	-10.0M	-66.3K	0.06	27.20	N/A	N/A	33	2	15,305	224
2026-02-26	$17.73	$17.00	18.4%	5.3%	9.1%	17.5%	18.5%	-2.2%	-0.9%	668.8K	-10.5M	-66.8K	0.00	25.69	N/A	N/A	157	0	15,311	226
2026-02-27	$17.89	$17.00	18.0%	5.2%	9.5%	16.7%	17.1%	0.8%	-0.1%	630.6K	-11.4M	-67.9K	0.03	25.20	N/A	N/A	274	7	15,440	226