Price Alert

GSK (GSK)

NYSE: GSK · Real-Time Price · USD

39.85

0.33 (0.84%)

At close: Sep 26, 2025, 3:59 PM

39.85

0.00%

After-hours: Sep 26, 2025, 07:57 PM EDT

GSK Option Overview

Overview for all option chains of GSK. As of September 28, 2025, GSK options have an IV of 41.71% and an IV rank of 58.24%. The volume is 4,556 contracts, which is 281.93% of average daily volume of 1,616 contracts. The volume put-call ratio is 2.55, indicating a bearish sentiment in the market.

Implied Volatility

Implied Volatility (30d)

41.71%

IV Rank

58.24%

Historical Volatility

18.55%

IV Low

26.08% on Jan 23, 2025

IV High

52.92% on Sep 22, 2025

Open Interest (OI)

Today's Open Interest

95,900

Put-Call Ratio

0.52

Put Open Interest

32,723

Call Open Interest

63,177

Open Interest Avg (30-day)

83,909

Today vs Open Interest Avg (30-day)

114.29%

Option Volume

Today's Volume

4,556

Put-Call Ratio

2.55

Put Volume

3,274

Call Volume

1,282

Volume Avg (30-day)

1,616

Today vs Volume Avg (30-day)

281.93%

Option Chain Statistics

This table provides a comprehensive overview of all GSK options grouped by their expiration dates.

Expiration	Call Vol	Put Vol	P/C Vol	Call OI	Put OI	P/C OI	Implied Volatility	Max Pain
Oct 03, 2025	53	2,928	55.25	776	3,140	4.05	63.7%	40
Oct 10, 2025	7	37	5.29	379	245	0.65	48.51%	40
Oct 17, 2025	882	37	0.04	7,466	5,983	0.8	32.75%	40
Oct 24, 2025	44	0	0	178	55	0.31	34.91%	40
Oct 31, 2025	26	2	0.08	240	24	0.1	35.48%	36
Nov 07, 2025	1	0	0	0	2	0	31.8%	39
Nov 21, 2025	91	40	0.44	12,839	8,085	0.63	31.56%	40
Jan 16, 2026	60	151	2.52	33,382	8,996	0.27	29.38%	33
Feb 20, 2026	41	33	0.8	896	1,510	1.69	27.74%	41
May 15, 2026	26	39	1.5	42	39	0.93	26.21%	41
Jun 18, 2026	19	6	0.32	2,778	2,119	0.76	26.95%	40
Jan 15, 2027	29	1	0.03	4,086	2,516	0.62	27.52%	35
Jan 21, 2028	3	0	0	115	9	0.08	25.33%	35