SPMB Options History — August 2025

In August 2025, SPMB traded between $22.02 and $22.23. ATM implied volatility averaged 33.1%, placing in the 17.2% IV rank vs the trailing year. The 30-day expected move averaged 7.0%. IV traded above realized volatility by 28.9% (HV 20d: 4.2%). Max pain ranged from $21.00 to $23.00. Net GEX was positive for 11 of 21 trading days. Term structure was in contango for 0 of 21 days. Put/call ratio averaged 1.10.

Notable Days

2025-08-18: Highest Volume — 21 contracts
2025-08-13: Largest IV drop — 66.2% change
2025-08-12: Highest IV Rank — 41.4%
2025-08-01: Largest Expected Move — 9.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$22.10	$22.02	$22.23	$22.07	$22.23
Max Pain	$21.19	$21.00	$23.00	$21.00	$21.00
ATM IV	33.1%	22.7%	67.4%	33.4%	28.9%
Expected Move	7.0%	6.0%	9.6%	9.6%	8.3%
HV 20d	4.2%	3.7%	4.8%	4.8%	3.7%
HV 60d	5.0%	4.5%	5.4%	5.4%	4.5%
IV Rank	17.2%	9.9%	41.4%	17.4%	14.2%
IV Percentile	30.7%	1.6%	87.7%	39.3%	31.0%
Term Structure	-6.1%	-13.3%	-4.3%	-13.3%	-8.5%
VWIV	26.8%	26.8%	26.8%	26.8%	26.8%
Skew 25d	-7.5%	-30.6%	13.5%	-30.6%	-25.1%
Skew 10d	0.8%	-36.6%	15.1%	-36.6%	-2.8%
Call IV 25d	24.5%	6.3%	43.9%	43.9%	36.8%
Put IV 25d	17.0%	7.3%	30.7%	13.3%	11.7%
Bid-Ask Spread %	148.21	137.22	153.31	146.71	148.70
Gamma HHI	0.46	0.40	0.50	0.40	0.49
Net GEX	-785	-3.4K	1.2K	-1.7K	1.1K
Net DEX	458	-9.5K	14.3K	4.7K	-9.5K
Net VEX	-133	-177	-69	-162	-126
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	1.10	1.10	1.10	1.10	1.10
Total Volume	1.81	0	21	0	0
Total OI	100.762	44	139	125	65

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
2025-08-01	$22.07	$21.00	33.4%	9.6%	4.8%	17.4%	0.0%	-30.6%	-13.3%	-1.7K	4.7K	-162	0.00	146.71	N/A	N/A	0	0	55	70
2025-08-04	$22.07	$23.00	37.6%	6.0%	4.5%	20.4%	0.0%	8.7%	-4.6%	-1.9K	1.9K	-146	0.00	148.56	N/A	N/A	0	0	55	70
2025-08-05	$22.11	$23.00	39.4%	6.0%	4.5%	21.6%	26.8%	12.4%	-4.7%	-1.7K	-13	-138	0.00	150.30	N/A	N/A	0	14	55	70
2025-08-06	$22.11	$21.00	41.5%	6.1%	4.2%	23.1%	0.0%	0.6%	-4.8%	-2.9K	10.6K	-177	0.00	153.27	N/A	N/A	0	0	55	84
2025-08-07	$22.09	$21.00	43.1%	6.1%	4.2%	24.3%	0.0%	-11.1%	-5.1%	-2.9K	9.7K	-162	0.00	148.05	N/A	N/A	0	0	55	84
2025-08-08	$22.02	$21.00	46.2%	6.2%	4.1%	26.5%	0.0%	0.6%	-5.2%	-3.4K	14.3K	-168	0.00	153.31	N/A	N/A	0	0	55	84
2025-08-11	$22.05	$21.00	59.7%	6.3%	4.1%	36.0%	0.0%	-12.2%	-5.7%	-3.2K	11.5K	-139	0.00	148.26	N/A	N/A	0	0	55	84
2025-08-12	$22.04	$21.00	67.4%	6.5%	3.9%	41.4%	0.0%	0.6%	-6.5%	-3.4K	13.0K	-135	0.00	153.30	N/A	N/A	0	0	55	84
2025-08-13	$22.13	$21.00	22.8%	6.5%	4.0%	9.9%	0.0%	13.5%	-6.7%	-2.9K	6.9K	-122	0.00	150.41	N/A	N/A	0	0	55	84
2025-08-14	$22.05	$21.00	22.7%	6.5%	4.3%	9.9%	0.0%	0.5%	-4.3%	-3.4K	12.0K	-109	0.00	142.44	N/A	N/A	0	0	55	84
2025-08-15	$22.04	$21.00	23.0%	6.6%	4.3%	10.1%	0.0%	0.5%	-4.6%	715	-5.4K	-81	0.00	142.71	N/A	N/A	0	3	55	84
2025-08-18	$22.02	$21.00	23.6%	6.8%	4.2%	10.5%	0.0%	2.1%	-5.0%	868	-3.8K	-69	1.10	137.22	N/A	N/A	10	11	30	14
2025-08-19	$22.05	$21.00	24.0%	6.9%	4.2%	10.8%	0.0%	-3.5%	-5.1%	1.0K	-4.7K	-138	0.00	145.51	N/A	N/A	0	0	40	25
2025-08-20	$22.06	$21.00	24.4%	7.0%	4.0%	11.0%	0.0%	-22.9%	-5.3%	843	-5.8K	-140	0.00	150.70	N/A	N/A	0	0	40	25
2025-08-21	$22.02	$21.00	24.8%	7.1%	4.0%	11.3%	0.0%	-2.7%	-5.7%	903	-4.0K	-134	0.00	148.13	N/A	N/A	0	0	40	25
2025-08-22	$22.16	$21.00	25.1%	7.2%	4.5%	11.6%	0.0%	-23.5%	-5.5%	994	-8.1K	-139	0.00	149.76	N/A	N/A	0	0	40	25
2025-08-25	$22.13	$21.00	26.6%	7.6%	4.5%	12.6%	0.0%	-14.1%	-7.6%	1.0K	-6.8K	-129	0.00	147.76	N/A	N/A	0	0	40	25
2025-08-26	$22.19	$21.00	26.6%	7.6%	4.3%	12.6%	0.0%	-24.1%	-5.9%	1.0K	-8.7K	-131	0.00	150.41	N/A	N/A	0	0	40	25
2025-08-27	$22.20	$21.00	26.5%	7.6%	4.1%	12.6%	0.0%	-2.8%	-6.2%	1.2K	-8.6K	-123	0.00	146.91	N/A	N/A	0	0	40	25
2025-08-28	$22.23	$21.00	27.7%	7.9%	4.2%	13.4%	0.0%	-24.4%	-7.7%	1.1K	-9.5K	-126	0.00	149.97	N/A	N/A	0	0	40	25
2025-08-29	$22.23	$21.00	28.9%	8.3%	3.7%	14.2%	0.0%	-25.1%	-8.5%	1.1K	-9.5K	-126	0.00	148.70	N/A	N/A	0	0	40	25