BMAX Options History — April 2026

In April 2026, BMAX traded between $22.74 and $22.75. ATM implied volatility averaged 33.4%, placing in the 1.6% IV rank vs the trailing year. The 30-day expected move averaged 9.6%. IV traded below realized volatility by 113.5% (HV 20d: 146.9%). Max pain ranged from $30.00 to $30.00. Net GEX was positive for 0 of 2 trading days. Term structure was in contango for 1 of 2 days. Put/call ratio averaged 0.75.

Notable Days

2026-04-02: Highest Volume — 5 contracts
2026-04-02: Largest IV drop — 0.6% change
2026-04-01: Highest IV Rank — 1.6%
2026-04-01: Largest Expected Move — 9.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$22.74	$22.74	$22.75	$22.75	$22.74
Max Pain	$30.00	$30.00	$30.00	$30.00	$30.00
ATM IV	33.4%	33.3%	33.5%	33.5%	33.3%
Expected Move	9.6%	9.5%	9.6%	9.6%	9.5%
HV 20d	146.9%	146.7%	147.1%	147.1%	146.7%
HV 60d	175.9%	175.9%	175.9%	175.9%	175.9%
IV Rank	1.6%	1.6%	1.6%	1.6%	1.6%
IV Percentile	2.9%	2.9%	3.0%	3.0%	2.9%
Term Structure	0.5%	-7.0%	8.1%	-7.0%	8.1%
Skew 25d	4.9%	3.8%	6.1%	6.1%	3.8%
Skew 10d	13.5%	6.8%	20.3%	20.3%	6.8%
Call IV 25d	47.4%	39.0%	55.8%	55.8%	39.0%
Put IV 25d	52.4%	42.8%	61.9%	61.9%	42.8%
Bid-Ask Spread %	75.04	66.05	84.02	66.05	84.02
Gamma HHI	0.76	0.74	0.78	0.78	0.74
Net GEX	-2.5K	-2.6K	-2.4K	-2.6K	-2.4K
Net DEX	113.8K	113.8K	113.9K	113.8K	113.9K
Net VEX	-305	-307	-302	-302	-307
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.75	0.00	1.50	0.00	1.50
Total Volume	3	1	5	1	5
Total OI	113.5	113	114	113	114

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	$22.75	$30.00	33.5%	9.6%	147.1%	1.6%	0.0%	6.1%	-7.0%	-2.6K	113.8K	-302	0.00	66.05	N/A	N/A	1	0	3	110
2026-04-02	$22.74	$0.00	33.3%	9.5%	146.7%	1.6%	0.0%	3.8%	8.1%	-2.4K	113.9K	-307	1.50	84.02	N/A	N/A	2	3	4	110