Costco Wholesale Corporation (COST) NASDAQ

Currency In USD

COST Historical Return

If you invested $1000 in Costco Wholesale Corporation (COST) 10 years ago, it would be worth $6,516.25 as of August 27, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $2,200.55, while $1000 invested 1 year ago would be worth $994.82. This corresponds to total returns of 551.63%, 120.05%, -0.52%, respectively, with annualized returns of 20.61%, 17.08%, -0.52%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

COST Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
August 26, 2026	960.58	956.12	956.12	964.45	954.54	1.22M
August 25, 2026	965.86	960.01	960.01	969.05	959.89	1.23M
August 24, 2026	953.01	971.4	971.4	974.49	951.39	1.98M
August 21, 2026	939.64	947.74	947.74	949.9	933.82	2.34M
August 20, 2026	931.15	933.51	933.51	944.22	925.77	2.46M
August 19, 2026	960.23	956.99	956.99	978.7	956	1.61M
August 18, 2026	966.11	961.35	961.35	971.96	955.03	1.84M
August 17, 2026	954.84	953.5	953.5	956.75	949.42	1.22M
August 14, 2026	959.99	961.1	961.1	965.36	957.75	1.15M
August 13, 2026	954.25	961.85	961.85	962.58	949.51	1.31M
August 12, 2026	937.4	949.58	949.58	951.39	935.05	1.23M
August 11, 2026	950.05	944.32	944.32	954.9	938.09	1.69M
August 10, 2026	942.47	952.75	952.75	952.89	940.56	1.47M
August 07, 2026	943.51	947.82	947.82	949.79	937.51	1.51M
August 06, 2026	959.55	949.15	949.15	966.14	941.78	1.81M
August 05, 2026	956.99	941.99	941.99	956.99	935.22	1.66M
August 04, 2026	945	947.85	947.85	950.86	937.01	2.41M
August 03, 2026	965.15	954.08	954.08	967.98	948.75	1.95M
July 31, 2026	945.74	951.89	951.89	955.56	937.51	1.75M
July 30, 2026	955.04	954.17	954.17	960.76	949.68	2.3M
July 29, 2026	968.07	974.03	974.03	978.8	963	1.88M
July 28, 2026	970.55	966.58	966.58	987.55	965.87	2.62M
July 27, 2026	938.11	951.58	951.58	956.61	936.66	2.11M
July 24, 2026	925.01	935.03	935.03	936.66	921.28	1.57M
July 23, 2026	920.51	926.06	926.06	926.53	916.76	1.77M
July 22, 2026	930.88	927.31	927.31	933.6	920.97	1.75M
July 21, 2026	930.25	929.22	929.22	931.99	924.44	1.69M
July 20, 2026	938.75	935.8	935.8	946.98	932.01	1.5M
July 17, 2026	961.52	940.87	940.87	964.33	933.76	2.32M
July 16, 2026	924	945.57	945.57	945.76	921.5	2.43M
July 15, 2026	917.75	916.54	916.54	927.58	910.5	2.28M
July 14, 2026	921.38	921.75	921.75	929.42	918.56	2.06M
July 13, 2026	918.43	926.43	926.43	930.98	916.88	2.37M
July 10, 2026	913.74	916.25	916.25	916.73	907.21	2.09M
July 09, 2026	934.94	912.97	912.97	935	907.68	4.53M
July 08, 2026	959	953.13	953.13	966.51	948	1.62M
July 07, 2026	967.52	947.5	947.5	969	945.33	1.94M
July 06, 2026	949.1	950.25	950.25	955.5	941.4	2.29M
July 02, 2026	927	951.67	951.67	952.64	924.84	2.73M
July 01, 2026	940.43	924.67	924.67	940.43	920.55	2.9M
June 30, 2026	942	935.47	935.47	946	932.41	2.5M
June 29, 2026	958.55	946.68	946.68	969.86	942.38	2.3M
June 26, 2026	953.25	952.54	952.54	961.64	943	7.27M
June 25, 2026	949.57	942.24	942.24	955.75	938.6	2.42M
June 24, 2026	962.03	961.09	961.09	967.94	957	1.95M
June 23, 2026	964.5	957.68	957.68	966.38	953.49	2.39M
June 22, 2026	948.57	951.35	951.35	956.23	942.53	2.16M
June 18, 2026	962.7	951.45	951.45	964	948.31	3.48M
June 17, 2026	980	965.59	965.59	983.71	961.16	1.88M
June 16, 2026	980.39	986.68	986.68	995.38	973.16	1.45M
June 15, 2026	974.19	979.45	979.45	987	968	1.85M
June 12, 2026	975.52	982.35	982.35	984.78	970	1.72M
June 11, 2026	986.91	975.69	975.69	989.12	974	1.8M
June 10, 2026	977.44	983.37	983.37	985.26	964.31	1.69M
June 09, 2026	974.21	968.59	968.59	981.97	964.94	1.96M
June 08, 2026	963.46	974.75	974.75	978.98	961	2.04M
June 05, 2026	977.5	971.87	971.87	997.41	971.6	3.08M
June 04, 2026	986.96	972.35	972.35	990.01	968.21	2.32M
June 03, 2026	952.88	961.83	961.83	969.18	951.99	1.94M
June 02, 2026	942.29	954.27	954.27	955.39	939.45	2.17M