USMC Options History — May 2025

In May 2025, USMC traded between $57.39 and $60.19. ATM implied volatility averaged 17.9%, placing in the 14.9% IV rank vs the trailing year. The 30-day expected move averaged 4.4%. IV traded below realized volatility by 7.9% (HV 20d: 25.8%). Max pain ranged from $54.00 to $55.00. Net GEX was positive for 9 of 21 trading days. Term structure was in contango for 9 of 21 days. Put/call ratio averaged 0.50.

Notable Days

2025-05-12: Highest Volume — 30 contracts
2025-05-14: Largest IV drop — 50.1% change
2025-05-13: Highest IV Rank — 38.3%
2025-05-01: Largest Expected Move — 6.0%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$59.01	$57.39	$60.19	$57.50	$59.97
Max Pain	$54.10	$54.00	$55.00	$55.00	$54.00
ATM IV	17.9%	13.1%	27.6%	21.0%	15.2%
Expected Move	4.4%	3.7%	6.0%	6.0%	4.4%
HV 20d	25.8%	14.3%	51.4%	51.4%	14.5%
HV 60d	33.5%	33.2%	33.8%	33.2%	33.4%
IV Rank	14.9%	3.2%	38.3%	22.3%	8.3%
IV Percentile	56.9%	10.7%	93.3%	85.7%	46.0%
Term Structure	-0.6%	-2.5%	0.6%	-1.9%	0.3%
VWIV	15.3%	14.4%	16.8%	16.8%	14.4%
Skew 25d	3.6%	0.8%	6.9%	4.9%	4.6%
Skew 10d	3.4%	-0.8%	10.7%	3.2%	2.1%
Call IV 25d	12.7%	8.9%	17.0%	17.0%	12.1%
Put IV 25d	16.3%	13.4%	22.0%	22.0%	16.6%
Bid-Ask Spread %	131.13	124.80	138.52	138.52	131.05
Gamma HHI	0.73	0.28	1.00	0.85	1.00
Net GEX	-2.8K	-10.0K	858	-8.1K	551
Net DEX	-2.1K	-14.7K	24.4K	24.4K	-14.1K
Net VEX	-49	-120	-12	-120	-13
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.50	0.00	1.00	1.00	0.00
Total Volume	1.81	0	30	1	0
Total OI	22.667	4	37	33	5

Daily Data (21 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
2025-05-01	$57.50	$55.00	21.0%	6.0%	51.4%	22.3%	0.0%	4.9%	-1.9%	-8.1K	24.4K	-120	0.00	138.52	N/A	N/A	0	1	3	30
2025-05-02	$58.13	$55.00	19.5%	5.6%	48.8%	18.7%	0.0%	5.3%	-0.4%	-6.6K	14.2K	-105	0.00	136.12	N/A	N/A	0	0	3	31
2025-05-05	$57.70	$54.00	19.6%	4.6%	45.2%	18.9%	16.8%	3.1%	-0.4%	-7.7K	15.5K	-96	1.00	131.44	N/A	N/A	2	2	3	31
2025-05-06	$57.39	$54.00	21.8%	5.0%	44.4%	24.2%	0.0%	3.3%	0.1%	-10.0K	23.6K	-115	0.00	126.82	N/A	N/A	0	0	4	33
2025-05-07	$57.52	$54.00	20.5%	4.8%	43.6%	21.3%	0.0%	3.3%	0.5%	-9.1K	20.4K	-103	0.00	125.45	N/A	N/A	0	0	4	33
2025-05-08	$57.83	$54.00	21.5%	4.8%	28.5%	23.6%	0.0%	3.5%	0.2%	-8.0K	13.2K	-88	0.00	124.80	N/A	N/A	0	0	4	33
2025-05-09	$57.53	$54.00	24.1%	4.4%	24.7%	29.9%	0.0%	3.3%	0.6%	-9.2K	17.0K	-89	0.00	129.86	N/A	N/A	0	0	4	33
2025-05-12	$59.09	$54.00	26.3%	4.1%	24.7%	35.2%	0.0%	4.5%	-0.8%	-1.9K	-8.3K	-44	0.00	129.26	N/A	N/A	0	30	4	33
2025-05-13	$59.73	$54.00	27.6%	3.7%	24.7%	38.3%	0.0%	2.7%	0.4%	-1.3K	-11.3K	-38	0.00	129.58	N/A	N/A	0	0	4	33
2025-05-14	$59.67	$54.00	13.8%	3.9%	24.6%	4.7%	0.0%	1.0%	-1.1%	-1.3K	-11.1K	-38	0.00	132.47	N/A	N/A	0	0	4	33
2025-05-15	$59.70	$54.00	13.1%	3.8%	21.3%	3.2%	0.0%	2.2%	-1.0%	-147	-13.6K	-33	0.00	128.50	N/A	N/A	1	0	4	33
2025-05-16	$60.13	$54.00	13.6%	3.9%	21.3%	4.5%	0.0%	5.9%	-2.5%	-145	-12.5K	-16	0.00	130.27	N/A	N/A	0	0	3	33
2025-05-19	$60.19	$54.00	13.7%	3.9%	16.9%	4.5%	0.0%	6.9%	-1.6%	779	-14.0K	-12	0.00	127.70	N/A	N/A	0	0	3	1
2025-05-20	$59.96	$54.00	14.1%	4.0%	15.1%	5.6%	14.6%	2.9%	-1.1%	858	-14.7K	-12	0.00	135.94	N/A	N/A	0	1	3	1
2025-05-21	$59.29	$54.00	14.3%	4.1%	15.7%	6.1%	0.0%	0.8%	0.3%	544	-12.0K	-19	0.00	130.75	N/A	N/A	0	0	3	2
2025-05-22	$59.40	$54.00	15.1%	4.3%	14.3%	8.0%	0.0%	3.3%	-0.8%	523	-12.1K	-19	0.00	133.09	N/A	N/A	0	0	3	2
2025-05-23	$58.84	$54.00	15.7%	4.5%	14.8%	9.5%	14.4%	3.8%	0.1%	363	-9.1K	-25	0.00	130.98	N/A	N/A	0	1	3	2
2025-05-27	$59.86	$54.00	14.8%	4.3%	15.8%	7.4%	0.0%	4.5%	0.1%	538	-13.6K	-15	0.00	132.59	N/A	N/A	0	0	3	2
2025-05-28	$59.82	$54.00	15.6%	4.5%	15.8%	9.2%	0.0%	2.6%	-2.3%	518	-13.3K	-15	0.00	135.58	N/A	N/A	0	0	3	2
2025-05-29	$59.86	$54.00	15.7%	4.5%	15.5%	9.5%	0.0%	3.6%	-2.1%	537	-13.6K	-14	0.00	132.97	N/A	N/A	0	0	3	2
2025-05-30	$59.97	$54.00	15.2%	4.4%	14.5%	8.3%	0.0%	4.6%	0.3%	551	-14.1K	-13	0.00	131.05	N/A	N/A	0	0	3	2