CME Options History — April 2026

In April 2026, CME traded between $295.82 and $304.30. ATM implied volatility averaged 27.0%, placing in the 39.6% IV rank vs the trailing year. The 30-day expected move averaged 7.7%. IV traded above realized volatility by 3.1% (HV 20d: 23.9%). Max pain ranged from $300.00 to $300.00. Net GEX was positive for 1 of 2 trading days. Term structure was in contango for 2 of 2 days. Put/call ratio averaged 0.76.

Notable Days

2026-04-02: Highest Volume — 2,710 contracts
2026-04-02: Largest IV drop — 6.5% change
2026-04-01: Highest IV Rank — 42.5%
2026-04-01: Largest Expected Move — 8.0%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$300.06	$295.82	$304.30	$295.82	$304.30
Max Pain	$300.00	$300.00	$300.00	$300.00	$300.00
ATM IV	27.0%	26.1%	27.9%	27.9%	26.1%
Expected Move	7.7%	7.5%	8.0%	8.0%	7.5%
HV 20d	23.9%	22.4%	25.3%	22.4%	25.3%
HV 60d	22.4%	22.2%	22.5%	22.2%	22.5%
IV Rank	39.6%	36.6%	42.5%	42.5%	36.6%
IV Percentile	94.2%	91.3%	97.2%	97.2%	91.3%
Term Structure	0.7%	0.3%	1.1%	0.3%	1.1%
VWIV	24.7%	24.5%	25.0%	24.5%	25.0%
Skew 25d	4.3%	4.0%	4.7%	4.0%	4.7%
Skew 10d	7.6%	5.8%	9.3%	9.3%	5.8%
Call IV 25d	25.0%	24.0%	26.0%	26.0%	24.0%
Put IV 25d	29.3%	28.7%	30.0%	30.0%	28.7%
Bid-Ask Spread %	18.92	12.24	25.59	25.59	12.24
Gamma HHI	0.10	0.09	0.10	0.10	0.09
Net GEX	-405.0K	-7.3M	6.5M	-7.3M	6.5M
Net DEX	-90.8M	-147.2M	-34.4M	-34.4M	-147.2M
Net VEX	-1.6M	-1.6M	-1.6M	-1.6M	-1.6M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.76	0.74	0.78	0.78	0.74
Total Volume	2,279.5	1,849	2,710	1,849	2,710
Total OI	53,181	52,596	53,766	52,596	53,766

Daily Data (2 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
2026-04-01	$295.82	$300.00	27.9%	8.0%	22.4%	42.5%	24.5%	4.0%	0.3%	-7.3M	-34.4M	-1.6M	0.78	25.59	N/A	N/A	1,041	808	20,125	32,471
2026-04-02	$304.30	$300.00	26.1%	7.5%	25.3%	36.6%	25.0%	4.7%	1.1%	6.5M	-147.2M	-1.6M	0.74	12.24	N/A	N/A	1,553	1,157	20,842	32,924