TSX:COST Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 10, 2026	42.11	42.44	41.95	42.44	42.44	0.45%	52,971
Aug 7, 2026	41.93	42.30	41.80	42.25	42.25	-	54,892
Aug 6, 2026	42.56	43.03	42.00	42.25	42.25	0.52%	74,881
Aug 5, 2026	42.68	42.68	41.71	42.03	42.03	-0.59%	116,434
Aug 4, 2026	42.27	42.37	41.77	42.28	42.28	-0.31%	79,525
Jul 31, 2026	42.05	42.57	41.82	42.41	42.41	-0.35%	44,367
Jul 30, 2026	42.68	42.72	42.35	42.56	42.56	-1.85%	53,135
Jul 29, 2026	43.26	43.60	43.00	43.36	43.36	0.70%	61,741
Jul 28, 2026	43.04	43.97	43.04	43.06	43.06	1.51%	233,732
Jul 27, 2026	41.89	42.63	41.80	42.42	42.42	1.78%	113,805
Jul 24, 2026	41.18	41.76	41.18	41.68	41.68	0.98%	67,910
Jul 23, 2026	41.10	41.34	40.92	41.34	41.27	-0.12%	51,869
Jul 22, 2026	41.66	41.66	41.10	41.39	41.32	-0.22%	66,379
Jul 21, 2026	41.60	41.60	41.29	41.48	41.41	-0.72%	51,013
Jul 20, 2026	41.76	42.20	41.60	41.78	41.71	-0.52%	35,265
Jul 17, 2026	42.75	42.99	41.69	42.00	41.93	-0.50%	70,287
Jul 16, 2026	41.09	42.21	41.09	42.21	42.14	3.15%	129,450
Jul 15, 2026	41.05	41.41	40.68	40.92	40.86	-0.61%	95,739
Jul 14, 2026	41.31	41.45	41.01	41.17	41.10	-0.39%	54,485
Jul 13, 2026	41.10	41.52	40.96	41.33	41.26	0.98%	127,127
Jul 10, 2026	40.88	40.93	40.55	40.93	40.87	0.32%	125,101
Jul 9, 2026	41.78	41.78	40.56	40.80	40.74	-4.27%	417,656
Jul 8, 2026	42.78	43.14	42.40	42.62	42.55	0.66%	73,790
Jul 7, 2026	43.09	43.19	42.22	42.34	42.27	-0.21%	68,749
Jul 6, 2026	42.47	42.63	42.06	42.43	42.36	-0.05%	55,452
Jul 3, 2026	42.51	42.51	41.99	42.45	42.38	-0.24%	22,026
Jul 2, 2026	41.65	42.55	41.33	42.55	42.48	1.65%	104,738
Jun 30, 2026	42.05	42.15	41.69	41.86	41.79	-1.02%	123,775
Jun 29, 2026	42.53	43.30	42.15	42.29	42.22	-0.59%	80,837
Jun 26, 2026	42.42	42.91	42.30	42.54	42.47	1.07%	44,427
Jun 25, 2026	42.52	42.64	41.92	42.09	42.02	-1.89%	286,217
Jun 24, 2026	43.00	43.23	42.76	42.90	42.83	0.09%	32,866
Jun 23, 2026	42.98	43.18	42.65	42.86	42.79	0.80%	41,041
Jun 22, 2026	42.68	42.68	42.14	42.52	42.45	-1.05%	77,339
Jun 19, 2026	42.65	43.09	42.48	42.97	42.90	0.87%	22,649
Jun 18, 2026	42.89	42.89	42.42	42.60	42.53	-1.39%	116,923
Jun 17, 2026	44.00	44.00	42.99	43.20	43.13	-2.17%	81,674
Jun 16, 2026	43.98	44.46	43.53	44.16	44.09	0.89%	50,560
Jun 15, 2026	43.67	44.10	43.36	43.77	43.70	-0.36%	68,379
Jun 12, 2026	43.60	43.98	43.39	43.93	43.86	0.76%	34,745
Jun 11, 2026	44.00	44.18	43.60	43.60	43.53	-1.00%	67,840
Jun 10, 2026	43.48	44.04	43.13	44.04	43.97	1.59%	74,014
Jun 9, 2026	43.66	43.88	43.17	43.35	43.28	-0.57%	83,197
Jun 8, 2026	43.17	43.76	43.17	43.60	43.53	0.35%	85,147
Jun 5, 2026	43.60	44.60	43.45	43.45	43.38	-0.16%	151,627
Jun 4, 2026	44.00	44.26	43.35	43.52	43.45	1.14%	148,576
Jun 3, 2026	42.74	43.34	42.72	43.03	42.96	0.73%	110,595
Jun 2, 2026	42.12	42.77	42.07	42.72	42.65	0.83%	109,720
Jun 1, 2026	42.62	42.83	41.94	42.37	42.30	-1.05%	262,403
May 29, 2026	44.31	44.49	42.32	42.82	42.75	-4.25%	457,304