WM Options History — April 2026

In April 2026, WM traded between $230.63 and $235.39. ATM implied volatility averaged 22.5%, placing in the 33.2% IV rank vs the trailing year. The 30-day expected move averaged 6.5%. IV traded above realized volatility by 0.2% (HV 20d: 22.4%). Max pain ranged from $230.00 to $230.00. Net GEX was positive for 2 of 2 trading days. Term structure was in contango for 1 of 2 days. Put/call ratio averaged 0.63.

Notable Days

2026-04-02: Highest Volume — 1,053 contracts
2026-04-02: Largest IV drop — 9.7% change
2026-04-01: Highest IV Rank — 36.9%
2026-04-01: Largest Expected Move — 6.8%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$233.01	$230.63	$235.39	$230.63	$235.39
Max Pain	$230.00	$230.00	$230.00	$230.00	$230.00
ATM IV	22.5%	21.4%	23.7%	23.7%	21.4%
Expected Move	6.5%	6.1%	6.8%	6.8%	6.1%
HV 20d	22.4%	21.6%	23.1%	21.6%	23.1%
HV 60d	20.3%	20.1%	20.5%	20.1%	20.5%
IV Rank	33.2%	29.4%	36.9%	36.9%	29.4%
IV Percentile	79.2%	70.6%	87.7%	87.7%	70.6%
Term Structure	1.0%	-0.8%	2.8%	2.8%	-0.8%
VWIV	24.1%	22.4%	25.9%	22.4%	25.9%
Skew 25d	3.7%	3.4%	4.0%	3.4%	4.0%
Skew 10d	7.7%	7.6%	7.9%	7.6%	7.9%
Call IV 25d	23.2%	22.1%	24.3%	22.1%	24.3%
Put IV 25d	26.9%	25.5%	28.3%	25.5%	28.3%
Bid-Ask Spread %	15.79	15.07	16.52	15.07	16.52
Gamma HHI	0.17	0.16	0.18	0.16	0.18
Net GEX	8.6M	7.0M	10.1M	7.0M	10.1M
Net DEX	-142.5M	-164.6M	-120.3M	-120.3M	-164.6M
Net VEX	-1.1M	-1.2M	-1.1M	-1.1M	-1.2M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.63	0.25	1.01	0.25	1.01
Total Volume	806	559	1,053	559	1,053
Total OI	34,656.5	34,572	34,741	34,572	34,741

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	$230.63	$230.00	23.7%	6.8%	21.6%	36.9%	22.4%	3.4%	2.8%	7.0M	-120.3M	-1.1M	0.25	15.07	N/A	N/A	446	113	23,939	10,633
2026-04-02	$235.39	$230.00	21.4%	6.1%	23.1%	29.4%	25.9%	4.0%	-0.8%	10.1M	-164.6M	-1.2M	1.01	16.52	N/A	N/A	523	530	24,055	10,686