Price Alert

GSK (GSK)

NYSE: GSK · Real-Time Price · USD

39.06

-0.30 (-0.76%)

At close: Aug 18, 2025, 3:59 PM

39.17

0.27%

Pre-market: Aug 19, 2025, 07:49 AM EDT

GSK Option Overview

Overview for all option chains of GSK. As of August 19, 2025, GSK options have an IV of 51.19% and an IV rank of 79.89%. The volume is 3,027 contracts, which is 222.08% of average daily volume of 1,363 contracts. The volume put-call ratio is 0.54, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)

51.19%

IV Rank

79.89%

Historical Volatility

30.81%

IV Low

26.08% on Jan 23, 2025

IV High

57.51% on Aug 18, 2025

Open Interest (OI)

Today's Open Interest

75,618

Put-Call Ratio

0.4

Put Open Interest

21,764

Call Open Interest

53,854

Open Interest Avg (30-day)

71,497

Today vs Open Interest Avg (30-day)

105.76%

Option Volume

Today's Volume

3,027

Put-Call Ratio

0.54

Put Volume

1,059

Call Volume

1,968

Volume Avg (30-day)

1,363

Today vs Volume Avg (30-day)

222.08%

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
Aug 22, 2025	71	286	4.03	536	300	0.56	106.35%	38.5
Aug 29, 2025	21	341	16.24	254	750	2.95	57.72%	38
Sep 05, 2025	62	8	0.13	111	17	0.15	42.21%	38
Sep 12, 2025	56	5	0.09	108	6	0.06	44.65%	37
Sep 19, 2025	317	172	0.54	2,338	1,530	0.65	26.53%	38
Sep 26, 2025	3	1	0.33	71	1	0.01	34.71%	36
Oct 17, 2025	929	38	0.04	293	6	0.02	24.77%	35
Nov 21, 2025	272	77	0.28	11,314	5,545	0.49	29.72%	38
Jan 16, 2026	143	25	0.17	32,417	8,623	0.27	25.71%	33
Feb 20, 2026	58	55	0.95	429	595	1.39	24.98%	37
Jun 18, 2026	10	1	0.1	2,301	2,003	0.87	26.32%	40
Jan 15, 2027	26	50	1.92	3,682	2,388	0.65	24.86%	35