TSX:ATSX Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 24, 2026	42.38	42.38	42.38	42.38	42.38	-2.66%	2,188
Jun 23, 2026	43.60	43.60	43.54	43.54	43.54	-1.27%	600
Jun 22, 2026	44.10	44.10	44.10	44.10	44.10	-1.05%	300
Jun 16, 2026	44.40	44.57	44.40	44.57	44.57	1.60%	662
Jun 15, 2026	43.87	43.87	43.87	43.87	43.87	0.62%	199
Jun 12, 2026	43.48	43.60	43.48	43.60	43.60	1.28%	582
Jun 11, 2026	43.02	43.05	43.02	43.05	43.05	1.22%	573
Jun 10, 2026	42.97	42.97	42.53	42.53	42.53	0.05%	1,400
Jun 9, 2026	42.51	42.51	42.51	42.51	42.51	-2.95%	222
Jun 8, 2026	43.80	43.80	43.80	43.80	43.80	-1.48%	320
Jun 4, 2026	44.46	44.46	44.46	44.46	44.46	-0.09%	100
Jun 3, 2026	44.50	44.50	44.50	44.50	44.50	2.09%	225
May 26, 2026	43.58	43.59	43.58	43.59	43.59	0.14%	1,810
May 25, 2026	43.70	43.70	43.53	43.53	43.53	-0.50%	795
May 22, 2026	43.75	43.75	43.75	43.75	43.75	0.57%	100
May 20, 2026	43.50	43.50	43.50	43.50	43.50	1.64%	500
May 19, 2026	42.60	42.80	42.60	42.80	42.80	-0.37%	995
May 12, 2026	42.96	42.96	42.96	42.96	42.96	-0.60%	125
May 11, 2026	43.41	43.41	43.22	43.22	43.22	1.46%	800
May 6, 2026	42.60	42.60	42.60	42.60	42.60	-	1,034
May 1, 2026	42.59	42.60	42.59	42.60	42.60	0.05%	318
Apr 30, 2026	42.44	42.58	42.44	42.58	42.58	1.48%	363
Apr 29, 2026	41.96	41.96	41.96	41.96	41.96	-0.10%	118
Apr 28, 2026	41.95	42.00	41.95	42.00	42.00	0.48%	201
Apr 21, 2026	41.90	41.90	41.80	41.80	41.80	-0.21%	476
Apr 17, 2026	41.96	41.96	41.89	41.89	41.89	0.29%	601
Apr 15, 2026	42.57	42.57	41.77	41.77	41.77	-2.32%	644
Apr 13, 2026	42.76	42.76	42.76	42.76	42.76	3.21%	1,013
Apr 6, 2026	41.43	41.43	41.43	41.43	41.43	0.56%	160
Mar 31, 2026	40.68	41.20	40.68	41.20	41.20	3.41%	1,144
Mar 30, 2026	39.84	39.84	39.84	39.84	39.84	0.78%	500
Mar 26, 2026	39.53	39.53	39.53	39.53	39.53	-1.59%	100
Mar 25, 2026	40.17	40.17	40.17	40.17	40.17	1.16%	1,154
Mar 23, 2026	39.71	39.71	39.71	39.71	39.71	1.64%	200
Mar 19, 2026	39.07	39.07	39.07	39.07	39.07	-4.59%	1,500
Mar 17, 2026	40.95	40.95	40.95	40.95	40.95	0.07%	205
Mar 16, 2026	40.92	40.92	40.92	40.92	40.92	1.56%	200
Mar 13, 2026	40.25	40.29	40.25	40.29	40.29	-1.42%	780
Mar 12, 2026	40.87	40.87	40.87	40.87	40.87	0.37%	153
Mar 11, 2026	40.72	40.72	40.72	40.72	40.72	1.42%	160
Mar 9, 2026	40.15	40.15	40.15	40.15	40.15	-1.83%	450
Mar 6, 2026	41.00	41.00	40.90	40.90	40.90	-2.46%	376
Mar 4, 2026	41.93	41.93	41.93	41.93	41.93	-1.71%	300
Mar 3, 2026	42.66	42.66	42.66	42.66	42.66	-0.56%	299
Mar 2, 2026	42.90	42.90	42.90	42.90	42.90	-	360
Feb 27, 2026	42.90	42.90	42.90	42.90	42.90	1.13%	210
Feb 26, 2026	42.42	42.42	42.42	42.42	42.42	0.62%	100
Feb 24, 2026	42.06	42.16	42.00	42.16	42.16	-1.13%	600
Feb 23, 2026	42.65	42.65	42.64	42.64	42.64	2.85%	411
Feb 19, 2026	41.46	41.46	41.46	41.46	41.46	2.67%	178