Costco Wholesale Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Sep 26, 2025	42.13	42.14	41.15	41.63	41.63	-2.85%	289,771
Sep 25, 2025	43.25	43.25	42.50	42.85	42.85	-0.28%	105,700
Sep 24, 2025	42.98	43.30	42.85	42.97	42.97	0.23%	55,900
Sep 23, 2025	42.77	42.95	42.42	42.87	42.87	-0.05%	129,000
Sep 22, 2025	43.09	43.09	42.69	42.89	42.89	-0.67%	114,300
Sep 19, 2025	43.28	43.48	42.88	43.18	43.18	-0.14%	82,900
Sep 18, 2025	43.76	43.76	43.20	43.24	43.24	-1.08%	59,000
Sep 17, 2025	43.26	43.77	43.26	43.71	43.71	1.04%	43,600
Sep 16, 2025	43.60	43.60	43.20	43.26	43.26	-0.76%	65,700
Sep 15, 2025	43.89	44.02	43.58	43.59	43.59	-0.82%	38,400
Sep 12, 2025	43.73	44.04	43.64	43.95	43.95	0.23%	47,400
Sep 11, 2025	43.49	43.85	43.38	43.85	43.85	0.87%	42,800
Sep 10, 2025	44.42	44.50	43.36	43.47	43.47	-2.29%	138,600
Sep 9, 2025	44.18	44.50	43.78	44.49	44.49	0.77%	68,100
Sep 8, 2025	43.79	44.15	43.58	44.15	44.15	0.91%	54,500
Sep 5, 2025	43.65	44.06	43.50	43.75	43.75	0.57%	44,800
Sep 4, 2025	43.39	43.61	43.29	43.50	43.50	0.65%	48,600
Sep 3, 2025	42.63	43.22	42.59	43.22	43.22	1.12%	50,800
Sep 2, 2025	42.74	42.92	42.60	42.74	42.74	-0.37%	48,800
Aug 29, 2025	43.04	43.15	42.79	42.90	42.90	-0.23%	32,500
Aug 28, 2025	43.13	43.25	42.94	43.00	43.00	-0.53%	43,500
Aug 27, 2025	42.79	43.30	42.67	43.23	43.23	0.91%	50,100
Aug 26, 2025	42.85	42.94	42.48	42.84	42.84	-0.19%	84,000
Aug 25, 2025	43.32	43.57	42.79	42.92	42.92	-1.58%	109,900
Aug 22, 2025	44.13	44.25	43.38	43.61	43.61	-1.25%	164,300
Aug 21, 2025	44.92	44.95	44.03	44.16	44.16	-2.30%	155,400
Aug 20, 2025	44.40	45.45	44.40	45.20	45.20	1.21%	121,000
Aug 19, 2025	44.59	44.93	44.48	44.66	44.66	0.22%	53,500
Aug 18, 2025	44.34	44.65	44.23	44.56	44.56	0.66%	41,300
Aug 15, 2025	44.65	44.65	44.01	44.27	44.27	-0.29%	39,700
Aug 14, 2025	44.63	44.95	44.40	44.40	44.40	-0.31%	60,300
Aug 13, 2025	44.85	44.85	44.15	44.54	44.54	-1.29%	83,400
Aug 12, 2025	44.92	45.12	44.65	45.12	45.12	0.27%	36,600
Aug 11, 2025	44.59	45.01	44.45	45.00	45.00	0.85%	79,100
Aug 8, 2025	44.39	44.96	44.39	44.62	44.62	0.34%	58,400
Aug 7, 2025	44.28	44.68	44.22	44.47	44.47	0.82%	72,600
Aug 6, 2025	43.10	44.19	43.00	44.11	44.11	2.65%	75,300
Aug 5, 2025	43.44	43.44	42.64	42.97	42.97	-0.97%	81,400
Aug 1, 2025	42.84	43.57	42.84	43.39	43.39	1.31%	109,300
Jul 31, 2025	42.11	43.10	42.11	42.83	42.77	1.30%	69,300
Jul 30, 2025	42.59	42.70	42.18	42.28	42.22	-0.68%	84,200
Jul 29, 2025	42.57	42.93	42.28	42.57	42.51	-0.09%	62,900
Jul 28, 2025	42.61	42.85	42.47	42.61	42.55	-0.23%	70,400
Jul 25, 2025	42.72	42.92	42.60	42.71	42.65	0.26%	57,000
Jul 24, 2025	42.98	42.98	42.58	42.60	42.54	-0.75%	91,900
Jul 23, 2025	42.86	43.24	42.72	42.92	42.86	-0.05%	76,900
Jul 22, 2025	43.32	43.64	42.92	42.94	42.88	-0.62%	86,300
Jul 21, 2025	43.46	43.58	43.17	43.21	43.15	-0.35%	84,700
Jul 18, 2025	43.79	43.79	43.33	43.36	43.30	-0.37%	88,100
Jul 17, 2025	43.47	43.53	43.22	43.52	43.46	0.30%	71,000