BSX Options History — January 2025

In January 2025, BSX traded between $89.35 and $102.97. ATM implied volatility averaged 23.9%, placing in the 26.5% IV rank vs the trailing year. The 30-day expected move averaged 6.8%. IV traded above realized volatility by 4.4% (HV 20d: 19.5%). Max pain ranged from $82.50 to $95.00. Net GEX was positive for 20 of 20 trading days. Term structure was in contango for 2 of 20 days. Put/call ratio averaged 0.54.

Notable Days

2025-01-23: Highest Volume — 32,919 contracts
2025-01-06: Largest IV spike — 11.7% change
2025-01-13: Highest IV Rank — 33.9%
2025-01-30: Largest Expected Move — 7.6%

Monthly Statistics

Metric	Avg	Min	Max	Open	Close
Price	$97.75	$89.35	$102.97	$89.35	$102.63
Max Pain	$89.13	$82.50	$95.00	$82.50	$95.00
ATM IV	23.9%	21.6%	26.5%	22.5%	24.5%
Expected Move	6.8%	6.1%	7.6%	6.6%	7.6%
HV 20d	19.5%	14.0%	22.1%	14.0%	18.7%
HV 60d	18.9%	17.2%	19.8%	17.7%	18.9%
IV Rank	26.5%	19.5%	33.9%	22.4%	28.2%
IV Percentile	78.7%	64.7%	89.3%	73.4%	81.7%
Term Structure	-0.5%	-1.9%	3.8%	3.3%	-1.2%
VWIV	24.2%	21.7%	29.1%	22.8%	29.1%
Skew 25d	2.9%	-1.1%	11.6%	2.9%	11.6%
Skew 10d	8.7%	-2.2%	15.5%	2.2%	12.3%
Call IV 25d	22.5%	14.0%	25.6%	20.7%	14.0%
Put IV 25d	25.3%	22.2%	30.9%	23.6%	25.6%
Bid-Ask Spread %	57.27	35.90	69.67	53.61	35.90
Gamma HHI	0.17	0.11	0.33	0.12	0.16
Net GEX	17.7M	6.0M	28.9M	6.0M	21.8M
Net DEX	-515.0M	-723.3M	-343.5M	-343.5M	-508.6M
Net VEX	-1.6M	-2.1M	-1.3M	-1.6M	-2.1M
Div Yield	0.0%	0.0%	0.0%	0.0%	0.0%
P/C Ratio	0.54	0.25	1.25	0.72	0.90
Total Volume	8,351.65	1,515	32,919	2,172	6,960
Total OI	185,570.85	114,940	225,204	208,122	173,559

Daily Data (20 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
2025-01-02	$89.35	$82.50	22.5%	6.6%	14.0%	22.4%	22.8%	2.9%	3.3%	6.0M	-343.5M	-1.6M	0.72	53.61	N/A	N/A	1,261	911	99,478	108,644
2025-01-03	$90.65	$82.50	22.1%	6.1%	15.0%	21.2%	21.9%	2.2%	3.8%	11.2M	-408.7M	-1.5M	0.60	63.73	N/A	N/A	949	566	100,238	109,140
2025-01-06	$91.19	$85.00	24.7%	6.9%	15.1%	28.9%	24.0%	5.8%	-0.4%	11.9M	-437.8M	-1.4M	0.87	63.33	N/A	N/A	2,405	2,099	98,766	108,345
2025-01-07	$91.83	$85.00	25.7%	7.0%	15.1%	31.6%	24.5%	2.8%	-0.4%	12.6M	-453.2M	-1.5M	0.44	63.09	N/A	N/A	3,047	1,345	99,437	109,368
2025-01-08	$96.06	$85.00	25.8%	7.0%	20.8%	32.0%	24.8%	-1.1%	-0.3%	20.4M	-632.8M	-1.4M	0.52	68.91	N/A	N/A	6,667	3,442	101,263	110,211
2025-01-10	$94.66	$85.00	26.1%	7.1%	21.4%	32.9%	24.8%	2.2%	-0.3%	17.4M	-570.8M	-1.5M	0.56	64.04	N/A	N/A	3,429	1,910	102,752	112,272
2025-01-13	$94.64	$85.00	26.5%	7.2%	21.4%	33.9%	25.3%	2.5%	-0.8%	17.4M	-571.5M	-1.4M	1.25	60.55	N/A	N/A	3,388	4,219	102,805	111,203
2025-01-14	$95.35	$85.00	25.2%	6.9%	21.4%	30.3%	24.0%	2.1%	-1.3%	19.8M	-610.8M	-1.4M	0.26	69.67	N/A	N/A	2,980	762	103,632	111,585
2025-01-15	$97.00	$85.00	23.3%	6.3%	21.9%	24.6%	22.2%	2.5%	-1.3%	17.3M	-661.8M	-1.3M	0.33	66.91	N/A	N/A	7,631	2,539	104,284	111,747
2025-01-16	$97.97	$85.00	22.8%	6.2%	22.1%	23.2%	22.5%	2.2%	-1.5%	17.3M	-689.7M	-1.3M	0.43	63.62	N/A	N/A	2,467	1,060	106,702	113,415
2025-01-17	$98.93	$85.00	22.7%	6.3%	21.9%	22.9%	22.6%	2.9%	-1.3%	10.1M	-723.3M	-1.3M	0.65	66.44	N/A	N/A	8,932	5,768	109,145	116,059
2025-01-21	$100.91	$92.50	21.9%	6.2%	20.2%	20.4%	22.0%	2.4%	-0.6%	14.4M	-388.4M	-1.3M	0.48	50.60	N/A	N/A	9,766	4,652	60,703	54,237
2025-01-22	$100.54	$95.00	21.6%	6.2%	20.4%	19.5%	21.7%	2.3%	-0.3%	14.4M	-383.4M	-1.5M	0.35	48.53	N/A	N/A	8,988	3,154	67,266	57,959
2025-01-23	$101.49	$95.00	22.1%	6.4%	20.5%	21.1%	22.3%	1.8%	-0.6%	21.0M	-437.3M	-1.5M	0.78	57.38	N/A	N/A	18,490	14,429	72,276	59,375
2025-01-24	$101.69	$95.00	22.2%	6.4%	20.5%	21.2%	23.3%	1.0%	-0.5%	20.1M	-494.8M	-1.8M	0.26	61.06	N/A	N/A	8,973	2,370	88,974	73,193
2025-01-27	$102.09	$95.00	24.7%	7.3%	20.5%	28.8%	26.1%	1.7%	-1.9%	21.2M	-471.3M	-1.9M	0.25	44.63	N/A	N/A	6,065	1,501	89,152	69,943
2025-01-28	$102.30	$95.00	24.3%	7.4%	20.5%	27.7%	27.0%	1.4%	-1.4%	23.8M	-493.4M	-1.9M	0.31	52.95	N/A	N/A	3,874	1,205	92,991	70,644
2025-01-29	$102.72	$95.00	24.6%	7.4%	19.7%	28.6%	26.8%	1.8%	-1.7%	26.7M	-502.4M	-2.0M	0.49	48.71	N/A	N/A	1,888	924	93,468	71,334
2025-01-30	$102.97	$95.00	25.1%	7.6%	19.2%	29.8%	26.2%	6.7%	-1.3%	28.9M	-516.6M	-1.9M	0.33	41.78	N/A	N/A	4,516	1,501	93,918	71,934
2025-01-31	$102.63	$95.00	24.5%	7.6%	18.7%	28.2%	29.1%	11.6%	-1.2%	21.8M	-508.6M	-2.1M	0.90	35.90	N/A	N/A	3,669	3,291	100,665	72,894