Costco Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jul 1, 2026	940.43	940.43	920.55	924.67	924.67	-1.15%	2,892,450
Jun 30, 2026	942.00	946.00	932.41	935.47	935.47	-1.18%	2,521,138
Jun 29, 2026	958.55	969.86	942.38	946.68	946.68	-0.62%	2,447,961
Jun 26, 2026	953.25	961.64	943.00	952.54	952.54	1.09%	8,239,163
Jun 25, 2026	949.57	955.75	938.60	942.24	942.24	-1.96%	2,495,029
Jun 24, 2026	962.03	967.94	957.00	961.09	961.09	0.36%	2,020,218
Jun 23, 2026	964.50	966.38	953.49	957.68	957.68	0.67%	2,529,841
Jun 22, 2026	948.57	956.23	942.53	951.35	951.35	-0.01%	2,191,926
Jun 18, 2026	962.70	964.00	948.31	951.45	951.45	-1.46%	3,742,885
Jun 17, 2026	980.00	983.71	961.16	965.59	965.59	-2.14%	1,928,018
Jun 16, 2026	980.39	995.38	973.16	986.68	986.68	0.74%	1,523,449
Jun 15, 2026	974.19	987.00	968.00	979.45	979.45	-0.30%	1,893,749
Jun 12, 2026	975.52	984.78	970.00	982.35	982.35	0.68%	1,737,681
Jun 11, 2026	986.91	989.12	974.00	975.69	975.69	-0.78%	1,903,390
Jun 10, 2026	977.44	985.26	964.31	983.37	983.37	1.53%	1,715,603
Jun 9, 2026	974.21	981.97	964.94	968.59	968.59	-0.63%	1,998,630
Jun 8, 2026	963.46	978.98	961.00	974.75	974.75	0.30%	2,086,132
Jun 5, 2026	977.50	997.41	971.60	971.87	971.87	-0.05%	3,092,017
Jun 4, 2026	986.96	990.01	968.21	972.35	972.35	1.09%	2,345,228
Jun 3, 2026	952.88	969.18	951.98	961.83	961.83	0.79%	2,174,108
Jun 2, 2026	942.29	955.39	939.45	954.27	954.27	0.86%	2,218,184
Jun 1, 2026	955.00	959.21	936.51	946.11	946.11	-1.07%	2,816,325
May 29, 2026	986.57	998.82	945.45	956.32	956.32	-3.91%	7,034,527
May 28, 2026	1,011.61	1,012.00	994.27	995.20	995.20	-0.85%	2,853,278
May 27, 2026	1,003.86	1,013.51	999.69	1,003.69	1,003.69	0.08%	2,392,069
May 26, 2026	1,026.13	1,027.50	996.16	1,002.93	1,002.93	-2.46%	2,707,389
May 22, 2026	1,039.99	1,045.64	1,025.19	1,028.24	1,028.24	-2.11%	2,051,784
May 21, 2026	1,063.41	1,064.73	1,039.01	1,050.45	1,050.45	-2.19%	2,149,696
May 20, 2026	1,089.37	1,089.74	1,072.00	1,074.01	1,074.01	-1.86%	2,223,436
May 19, 2026	1,077.00	1,096.50	1,072.10	1,094.32	1,094.32	1.66%	2,853,290
May 18, 2026	1,050.00	1,079.83	1,045.00	1,076.47	1,076.47	2.62%	2,295,156
May 15, 2026	1,049.36	1,057.50	1,039.22	1,048.95	1,048.95	0.74%	1,966,963
May 14, 2026	1,034.95	1,041.79	1,026.10	1,041.25	1,041.25	0.79%	1,606,609
May 13, 2026	1,017.94	1,042.52	1,017.94	1,033.08	1,033.08	1.10%	1,654,600
May 12, 2026	1,002.54	1,026.00	1,001.14	1,021.88	1,021.88	2.24%	2,143,229
May 11, 2026	1,005.82	1,007.00	985.15	999.47	999.47	-0.92%	2,053,529
May 8, 2026	1,011.74	1,016.00	1,005.11	1,008.79	1,008.79	-0.32%	1,805,188
May 7, 2026	993.50	1,012.66	990.66	1,012.06	1,012.06	1.64%	2,013,993
May 6, 2026	1,011.31	1,012.23	992.42	995.75	995.75	-2.03%	2,619,130
May 5, 2026	1,010.51	1,020.78	1,009.07	1,016.42	1,016.42	0.36%	1,456,309
May 4, 2026	1,007.02	1,024.72	1,002.21	1,012.79	1,012.79	0.11%	1,479,687
May 1, 2026	1,015.38	1,031.27	1,006.32	1,011.70	1,011.70	-0.13%	1,509,728
Apr 30, 2026	996.45	1,017.69	996.32	1,014.53	1,013.06	1.59%	2,049,273
Apr 29, 2026	988.37	998.97	985.12	998.67	997.22	0.47%	1,516,865
Apr 28, 2026	1,010.48	1,012.65	986.00	994.00	992.56	-0.40%	1,775,955
Apr 27, 2026	1,008.63	1,014.41	996.63	998.01	996.56	-1.30%	1,620,358
Apr 24, 2026	1,012.00	1,013.45	1,002.50	1,011.15	1,009.68	-0.32%	1,695,617
Apr 23, 2026	1,007.58	1,016.60	1,007.03	1,014.38	1,012.91	1.06%	1,570,728
Apr 22, 2026	1,004.98	1,008.11	998.29	1,003.70	1,002.25	-0.21%	1,215,151
Apr 21, 2026	994.37	1,006.50	986.70	1,005.81	1,004.35	0.80%	1,367,093