GSK gamma levels history

From the closing options book · October 20, 2026 · updated after every close

GSK's closing gamma levels for 89 sessions to October 20, 2026: call wall, put wall, apex, gamma flip, net gamma and implied volatility. The full record back to the first recorded session is a free CSV download.

Sessions

22/60

Short gamma

last 60 sessions

Call wall

Put wall

GSK net gamma, last 60 sessions

Jul 28Oct 20

GSK closing levels by session

Download CSV

Session	Close	Call wall	Put wall	Apex	Flip	Net gamma	IV
Oct 20	50.63	60	45	60	45.5	+$1.9M	—
Oct 19	49.46	48.5	45	48.5	45.5	+$1.7M	31.8%
Oct 16	49.51	48.5	45	48.5	45.5	+$1.6M	27.5%
Oct 15	49.02	47	45	47	45.5	+$1.8M	36.5%
Oct 14	47.87	47	45	47	45.5	+$1.2M	32.0%
Oct 13	46.27	47	45	47	45.5	+$990K	—
Oct 12	46.92	46	45	45	49.75	+$238K	30.5%
Oct 9	46.50	50	45	45	50.5	+$186K	—
Oct 8	46.54	52	45	45	48.75	+$281K	—
Oct 7	47.02	52	45	52	46.5	+$381K	28.1%
Oct 6	46.60	52	45	52	46.5	+$306K	—
Oct 5	46.55	52	45	52	52.5	+$68K	—
Oct 2	47.03	52	45	52	—	−$4K	24.3%
Oct 1	47.18	50	47.5	50	53.5	+$71K	23.3%
Sep 30	48.17	50	48	50	51.5	+$230K	27.1%
Sep 29	49.35	50	49	50	49.75	+$813K	24.7%
Sep 28	49.70	52	49	52	51.5	+$364K	26.8%
Sep 25	49.24	52	49	52	51.5	+$255K	24.7%
Sep 24	49.65	50	49.5	49.5	53.5	+$131K	39.2%
Sep 23	49.71	50	49.5	49.5	—	−$129K	33.4%
Sep 22	50.72	52	49.5	49.5	54.5	+$100K	—
Sep 21	51.08	50	49.5	49.5	—	−$149K	25.4%
Sep 18	50.22	53	49.5	49.5	—	−$739K	24.6%
Sep 17	51.06	55	50	50	53.5	+$597K	29.6%
Sep 16	50.29	55	50	50	54.5	+$438K	—
Sep 15	50.01	55	50	50	54.5	+$375K	29.6%
Sep 14	50.05	55	50	50	—	−$13K	26.3%
Sep 11	48.13	55	50	55	—	−$67K	25.1%
Sep 10	48.12	55	50	50	54.5	+$28K	25.8%
Sep 9	48.63	55	50	50	55.5	+$16K	34.9%
Sep 8	48.54	55	50	50	54.5	+$69K	35.8%
Sep 4	49.89	55	50	55	53.5	+$417K	25.3%
Sep 3	50.87	55	50	55	51.5	+$1.2M	24.7%
Sep 2	50.44	55	50	55	52.5	+$670K	—
Sep 1	50.66	55	50	55	52.5	+$719K	—
Aug 31	50.25	55	50	55	54.5	+$417K	25.6%
Aug 28	50.82	55	50	55	52.5	+$700K	24.7%
Aug 27	50.27	55	50	55	53.5	+$516K	—
Aug 26	51.43	55	50	55	51.5	+$1.1M	—
Aug 25	52.07	55	50	55	51.5	+$1.3M	24.7%
Aug 24	51.78	55	50	55	51.5	+$783K	26.6%
Aug 21	52.41	55	50	55	54.5	+$570K	—
Aug 20	51.96	52	50	50	—	−$196K	27.0%
Aug 19	52.88	53	50	50	54.5	+$975K	24.7%
Aug 18	51.15	55	50	50	—	−$1.9M	23.4%
Aug 17	50.28	55	50	50	—	−$4.9M	—
Aug 14	49.52	55	50	50	—	−$5.2M	23.5%
Aug 13	50.45	52	50	50	—	−$2.9M	—
Aug 12	50.30	52	50	50	—	−$2.7M	—
Aug 11	50.90	53	50	50	—	−$2.3M	28.6%
Aug 10	52.16	53	50	50	—	−$945K	20.4%
Aug 7	52.96	53	50	50	—	−$337K	23.0%
Aug 6	52.17	52	50	50	—	−$865K	25.7%
Aug 5	51.46	53	50	50	—	−$1.6M	—
Aug 4	51.53	55	50	50	—	−$1.4M	—
Aug 3	51.51	55	50	50	—	−$1.4M	—
Jul 31	51.69	55	50	50	—	−$1.6M	—
Jul 30	52.07	55	50	50	—	−$1.2M	32.1%
Jul 29	53.22	55	50	50	—	−$753K	34.0%
Jul 28	53.71	53	50	50	59.5	+$285K	—
Jul 27	51.98	55	50	50	—	−$1.2M	41.3%
Jul 24	51.35	55	50	50	—	−$1.5M	—
Jul 23	50.74	55	50	50	—	−$2.2M	—
Jul 22	50.76	55	50	50	—	−$2.5M	38.4%
Jul 21	50.78	55	50	50	—	−$2.4M	35.8%
Jul 20	50.04	55	50	50	—	−$2.5M	36.3%
Jul 17	51.76	55	50	50	—	−$2.0M	33.2%
Jul 16	52.77	55	51	51	—	−$1.7M	34.7%
Jul 15	51.45	55	50	50	—	−$2.7M	—
Jul 14	51.25	55	51	51	—	−$2.5M	33.9%
Jul 13	52.29	55	51	55	—	−$1.0M	—
Jul 10	52.78	55	51	55	—	−$457K	27.7%
Jul 9	52.47	55	50	55	—	−$470K	—
Jul 8	52.52	55	51	55	—	−$135K	—
Jul 7	53.32	55	51	55	54.5	+$377K	—
Jul 6	53.09	55	51	55	55.5	+$229K	31.8%
Jul 2	53.66	55	51	55	54.5	+$325K	—
Jul 1	51.30	55	51	51	—	−$322K	—
Jun 30	52.42	55	47	55	54.5	+$667K	—
Jun 29	52.81	55	47	55	54.5	+$622K	25.0%
Jun 26	52.50	55	47	55	54.5	+$532K	—
Jun 25	51.89	55	47	55	54.5	+$625K	27.2%
Jun 24	51.09	55	50	55	54.5	+$512K	28.8%
Jun 23	52.07	55	47	55	53.5	+$709K	26.5%
Jun 22	50.74	55	47	55	54.5	+$145K	—
Jun 18	50.67	52	49	52	51.5	+$157K	—
Jun 17	52.15	54	51	54	53.5	+$688K	28.1%
Jun 16	52.22	54	51	54	53.5	+$1.2M	30.1%
Jun 15	52.23	54	49.5	54	52.5	+$1.2M	37.9%

These are the October 20, 2026 closing numbers. Members see GSK's map move live all session.

Start 7-day free trial or try free, no card →

Common questions

Where can I download GSK gamma history?

The CSV on this page has every recorded GSK session: call wall, put wall, apex, flip, net gamma, ATM IV and max pain.

How often is GSK in short gamma?

22 of the last 60 sessions closed with dealers net short gamma.

Compare: gamma levels history on other tickers

GPN GRPN GRRR GS GT GTLB GWW GXO SPY QQQ All tickers →

Measured from the closing options book and rebuilt after every close. Nothing on this page is live. Levels are where dealer hedging is concentrated, not targets or forecasts. Not investment advice.