COST gamma levels history

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

COST's closing gamma levels for 260 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.

260

Sessions

30/60

Short gamma

last 60 sessions

1000

Call wall

920

Put wall

COST net gamma, last 60 sessions

Jul 28Oct 20

COST closing levels by session

Download CSV

Session	Close	Call wall	Put wall	Apex	Flip	Net gamma	IV
Oct 20	994.61	1000	920	1000	1007.5	+$88.6M	20.3%
Oct 19	995.53	1000	952.5	1000	997.5	+$86.9M	19.9%
Oct 16	989.11	1000	952.5	1000	997.5	+$50.2M	19.2%
Oct 15	978.01	980	915	980	962.5	+$174M	20.2%
Oct 14	982.00	1000	935	1000	972.5	+$131M	20.9%
Oct 13	954.63	960	915	960	958.75	+$85.1M	19.3%
Oct 12	959.44	960	915	960	958.75	+$89.4M	18.5%
Oct 9	946.92	960	910	960	962.5	+$53.6M	17.5%
Oct 8	947.92	950	915	950	947.5	+$176M	18.1%
Oct 7	942.25	950	900	950	947.5	+$106M	19.2%
Oct 6	935.68	950	900	950	947.5	+$67.8M	18.8%
Oct 5	923.52	950	900	900	—	+$821K	19.8%
Oct 2	920.65	950	900	900	—	−$11.6M	18.7%
Oct 1	914.94	915	900	900	—	−$2.1M	20.3%
Sep 30	910.34	930	900	900	—	−$36.6M	19.9%
Sep 29	924.59	950	900	950	957.5	+$35.9M	19.5%
Sep 28	922.92	950	900	950	972.5	+$22.6M	19.9%
Sep 25	922.77	950	900	950	1032.5	+$5.0M	19.5%
Sep 24	896.48	945	890	890	—	−$57.1M	32.2%
Sep 23	904.70	945	890	890	—	−$33.2M	32.4%
Sep 22	899.41	945	880	880	—	−$48.8M	29.5%
Sep 21	898.48	930	880	880	—	−$56.0M	28.5%
Sep 18	895.31	1000	880	880	—	−$61.8M	27.7%
Sep 17	893.93	1000	900	900	—	−$221M	25.2%
Sep 16	893.74	1000	900	900	—	−$213M	25.7%
Sep 15	901.35	945	900	900	—	−$166M	27.3%
Sep 14	918.91	950	900	900	—	−$89.7M	25.0%
Sep 11	904.77	950	900	900	—	−$133M	24.2%
Sep 10	902.38	950	910	910	—	−$193M	25.0%
Sep 9	902.60	950	910	910	—	−$200M	24.9%
Sep 8	910.18	940	910	910	—	−$157M	25.5%
Sep 4	915.74	940	910	910	—	−$123M	23.4%
Sep 3	925.41	940	910	910	—	−$159M	22.4%
Sep 2	928.48	1000	910	910	—	−$113M	25.0%
Sep 1	939.96	1000	910	910	—	−$52.4M	22.5%
Aug 31	943.89	1000	910	910	—	−$47.2M	21.4%
Aug 28	945.47	1000	910	910	—	−$42.1M	19.3%
Aug 27	934.66	1000	930	930	—	−$100M	20.5%
Aug 26	956.12	1000	930	1000	1075	+$8.6M	19.9%
Aug 25	960.01	1000	930	1000	1020	+$24.3M	20.3%
Aug 24	971.40	1000	910	1000	1005	+$43.0M	21.6%
Aug 21	947.74	1000	920	920	—	−$34.5M	19.8%
Aug 20	933.51	950	930	930	—	−$129M	21.9%
Aug 19	956.99	970	930	970	1070	+$10.8M	21.6%
Aug 18	961.35	970	920	970	1020	+$31.3M	22.0%
Aug 17	953.50	970	900	970	1140	+$1.4M	20.6%
Aug 14	961.10	970	900	970	1010	+$35.2M	19.9%
Aug 13	961.85	960	935	960	970	+$93.0M	21.1%
Aug 12	949.58	960	900	960	1015	+$17.5M	20.0%
Aug 11	944.32	970	900	970	—	−$14.6M	21.1%
Aug 10	952.75	970	900	970	1020	+$17.2M	22.2%
Aug 7	947.82	1000	900	1000	—	−$14.5M	20.8%
Aug 6	949.15	960	925	960	1000	+$38.2M	22.7%
Aug 5	941.99	1000	900	900	—	−$31.4M	23.7%
Aug 4	947.85	1000	900	1000	—	−$8.6M	25.4%
Aug 3	954.08	1000	900	1000	1090	+$6.5M	25.0%
Jul 31	951.89	1000	900	1000	—	−$6.7M	23.3%
Jul 30	954.17	970	955	970	1060	+$13.9M	22.7%
Jul 29	974.03	1000	900	1000	990	+$87.4M	23.3%
Jul 28	966.58	970	900	970	980	+$78.5M	23.2%
Jul 27	951.58	970	900	970	1000	+$33.7M	22.3%
Jul 24	935.03	970	900	900	—	−$19.7M	21.3%
Jul 23	926.06	940	910	910	—	−$48.6M	22.5%
Jul 22	927.31	950	910	910	—	−$54.4M	22.7%
Jul 21	929.22	950	900	900	—	−$39.4M	23.4%
Jul 20	935.80	950	900	950	—	−$18.5M	23.7%
Jul 17	940.87	950	900	950	—	−$9.1M	23.3%
Jul 16	945.57	950	900	950	985	+$32.7M	22.4%
Jul 15	916.54	950	900	900	—	−$129M	23.3%
Jul 14	921.75	950	900	900	—	−$101M	23.8%
Jul 13	926.43	960	900	900	—	−$93.1M	22.4%
Jul 10	916.25	1000	900	900	—	−$125M	21.1%
Jul 9	912.97	1000	910	910	—	−$184M	23.5%
Jul 8	953.13	1000	910	910	—	−$32.3M	24.5%
Jul 7	947.50	1000	910	910	—	−$46.3M	24.3%
Jul 6	950.25	1000	920	920	—	−$41.0M	24.2%
Jul 2	951.67	1000	910	910	—	−$46.2M	21.9%
Jul 1	924.67	1000	920	920	—	−$144M	22.4%
Jun 30	935.47	1000	920	920	—	−$107M	21.9%
Jun 29	946.68	1000	920	920	—	−$63.7M	21.9%
Jun 26	952.54	1000	920	920	—	−$31.5M	21.8%
Jun 25	942.24	1000	925	925	—	−$87.9M	22.1%
Jun 24	961.09	1000	900	1000	—	−$17.5M	22.9%
Jun 23	957.68	1000	925	1000	—	−$35.0M	23.1%
Jun 22	951.35	1000	900	900	—	−$52.1M	22.7%
Jun 18	951.45	1000	920	920	—	−$47.8M	21.2%
Jun 17	965.59	970	960	970	—	−$41.1M	22.3%
Jun 16	986.68	1000	950	1000	1050	+$31.2M	22.3%
Jun 15	979.45	970	950	970	—	−$5.4M	22.3%
Jun 12	982.35	970	900	970	—	−$3.1M	22.4%
Jun 11	975.69	1000	960	1000	—	−$2.1M	23.8%
Jun 10	983.37	1000	945	1000	1145	+$3.3M	24.4%
Jun 9	968.59	970	945	945	—	−$33.0M	24.3%
Jun 8	974.75	970	945	970	—	−$24.4M	24.2%
Jun 5	971.87	970	920	970	—	−$26.3M	24.0%
Jun 4	972.35	970	950	970	1007.5	+$42.6M	22.9%
Jun 3	961.83	970	945	970	—	−$22.8M	24.5%
Jun 2	954.27	970	945	970	—	−$55.7M	24.8%
Jun 1	946.11	1080	945	945	—	−$90.0M	24.6%
May 29	956.32	1080	960	960	—	−$69.3M	22.7%
May 28	995.20	1100	990	990	—	−$63.2M	33.4%
May 27	1,003.69	1100	990	990	—	−$49.5M	32.9%
May 26	1,002.93	1100	1000	1000	—	−$41.5M	32.3%
May 22	1,028.24	1100	1000	1100	1220	+$648K	28.1%
May 21	1,050.45	1100	1050	1100	—	−$12.8M	26.7%
May 20	1,074.01	1100	1000	1100	1090	+$102M	28.1%
May 19	1,094.32	1100	1000	1100	1075	+$167M	27.6%
May 18	1,076.47	1100	1000	1100	1070	+$115M	28.9%
May 15	1,048.95	1100	1000	1100	1075	+$65.5M	26.7%
May 14	1,041.25	1050	1000	1050	1040	+$154M	26.6%
May 13	1,033.08	1050	970	1050	1040	+$125M	27.9%
May 12	1,021.88	1050	950	1050	1040	+$76.0M	26.8%
May 11	999.47	1040	960	1040	—	−$835K	24.6%
May 8	1,008.79	1040	955	1040	1050	+$35.4M	21.4%
May 7	1,012.06	1025	960	1025	1030	+$88.3M	22.9%
May 6	995.75	1025	980	1025	1090	+$11.9M	26.2%
May 5	1,016.42	1050	950	1050	1040	+$87.0M	24.6%
May 4	1,012.79	1050	950	1050	1040	+$73.4M	25.2%
May 1	1,011.70	1040	950	1040	1040	+$58.2M	21.2%
Apr 30	1,014.53	1010	960	1010	1020	+$124M	21.5%

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

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Common questions

Where can I download COST gamma history?

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

How often is COST in short gamma?

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

Compare: gamma levels history on other tickers

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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.