TSX:COST Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 11, 2026	43.90	44.15	43.77	43.82	-	-0.50%	4,600
Jun 10, 2026	43.48	44.04	43.13	44.04	44.04	1.59%	74,014
Jun 9, 2026	43.66	43.88	43.17	43.35	43.35	-0.57%	83,197
Jun 8, 2026	43.17	43.76	43.17	43.60	43.60	0.35%	85,147
Jun 5, 2026	43.60	44.60	43.45	43.45	43.45	-0.16%	151,627
Jun 4, 2026	44.00	44.26	43.35	43.52	43.52	1.14%	148,576
Jun 3, 2026	42.74	43.34	42.72	43.03	43.03	0.73%	110,595
Jun 2, 2026	42.12	42.77	42.07	42.72	42.72	0.83%	109,720
Jun 1, 2026	42.62	42.83	41.94	42.37	42.37	-1.05%	262,403
May 29, 2026	44.31	44.49	42.32	42.82	42.82	-4.25%	457,304
May 28, 2026	45.28	45.28	44.52	44.72	44.72	-0.53%	114,247
May 27, 2026	44.95	45.32	44.88	44.96	44.96	0.13%	60,900
May 26, 2026	45.92	45.92	44.64	44.90	44.90	-3.07%	195,111
May 25, 2026	46.02	46.48	46.02	46.32	46.32	0.67%	13,858
May 22, 2026	46.33	46.73	45.90	46.01	46.01	-2.04%	174,542
May 21, 2026	47.50	47.54	46.54	46.97	46.97	-2.27%	66,483
May 20, 2026	48.56	48.71	47.98	48.06	48.06	-1.84%	48,719
May 19, 2026	47.92	49.00	47.43	48.96	48.96	4.37%	250,443
May 15, 2026	46.67	47.27	46.52	46.91	46.91	0.75%	152,743
May 14, 2026	46.31	46.59	45.98	46.56	46.56	0.69%	67,238
May 13, 2026	45.37	46.65	45.37	46.24	46.24	1.09%	139,630
May 12, 2026	44.76	45.90	44.76	45.74	45.74	2.17%	142,966
May 11, 2026	44.89	44.95	44.15	44.77	44.77	-0.86%	100,879
May 8, 2026	45.37	45.48	45.00	45.16	45.16	-0.44%	43,853
May 7, 2026	44.62	45.36	44.48	45.36	45.36	1.73%	103,350
May 6, 2026	45.34	45.34	44.46	44.59	44.59	-1.98%	122,613
May 5, 2026	45.30	45.69	45.22	45.49	45.49	0.26%	71,604
May 4, 2026	45.18	45.86	44.90	45.37	45.37	0.18%	48,960
May 1, 2026	45.40	46.15	45.12	45.29	45.29	-0.12%	126,693
Apr 30, 2026	44.70	45.56	44.70	45.41	45.34	1.59%	94,275
Apr 29, 2026	44.36	44.70	44.17	44.70	44.64	0.38%	48,084
Apr 28, 2026	45.15	45.30	44.21	44.53	44.47	-0.49%	82,724
Apr 27, 2026	45.12	45.45	44.68	44.75	44.69	-1.21%	51,384
Apr 24, 2026	45.37	45.38	44.98	45.30	45.23	-0.44%	53,355
Apr 23, 2026	45.08	45.56	45.08	45.50	45.43	1.13%	37,716
Apr 22, 2026	45.10	45.20	44.79	44.99	44.93	-0.24%	39,335
Apr 21, 2026	44.79	45.11	44.28	45.10	45.03	0.85%	66,122
Apr 20, 2026	44.85	45.30	44.60	44.72	44.66	-0.27%	67,596
Apr 17, 2026	44.28	44.85	43.85	44.84	44.78	1.26%	104,382
Apr 16, 2026	44.15	44.60	44.02	44.28	44.22	0.23%	69,708
Apr 15, 2026	43.63	44.19	43.48	44.18	44.12	1.01%	64,339
Apr 14, 2026	43.84	43.84	43.36	43.74	43.68	-0.61%	121,478
Apr 13, 2026	44.78	44.81	43.97	44.01	43.95	-1.83%	133,816
Apr 10, 2026	46.20	46.20	44.65	44.83	44.77	-3.11%	101,932
Apr 9, 2026	46.01	46.43	46.01	46.27	46.20	0.22%	73,909
Apr 8, 2026	45.27	46.20	44.93	46.17	46.10	1.70%	111,986
Apr 7, 2026	45.70	45.70	45.08	45.40	45.33	-0.63%	94,634
Apr 6, 2026	45.34	45.75	45.07	45.69	45.62	0.44%	76,884
Apr 2, 2026	44.95	45.52	44.82	45.49	45.42	1.79%	118,462
Apr 1, 2026	44.55	45.00	44.52	44.69	44.63	-	174,759