TSX:ATSX Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Aug 11, 2026	46.54	46.54	46.54	46.54	46.54	2.24%	100
Aug 6, 2026	45.52	45.52	45.52	45.52	45.52	1.97%	159
Jul 31, 2026	44.64	44.64	44.64	44.64	44.64	0.13%	100
Jul 27, 2026	44.58	44.58	44.58	44.58	44.58	-1.44%	500
Jul 23, 2026	45.23	45.23	45.23	45.23	45.23	-0.70%	400
Jul 22, 2026	45.47	45.55	45.47	45.55	45.55	1.40%	232
Jul 21, 2026	45.05	45.05	44.92	44.92	44.92	0.40%	700
Jul 20, 2026	44.74	44.74	44.74	44.74	44.74	0.58%	200
Jul 17, 2026	44.48	44.48	44.48	44.48	44.48	0.61%	100
Jul 16, 2026	44.21	44.21	44.21	44.21	44.21	0.02%	402
Jul 15, 2026	43.89	44.20	43.89	44.20	44.20	1.05%	1,376
Jul 14, 2026	43.50	43.74	43.50	43.74	43.74	0.05%	239
Jul 10, 2026	43.72	43.72	43.72	43.72	43.72	-	600
Jul 9, 2026	43.72	43.72	43.72	43.72	43.72	0.21%	207
Jul 3, 2026	43.63	43.63	43.63	43.63	43.63	1.87%	100
Jun 30, 2026	42.83	42.83	42.83	42.83	42.83	0.07%	122
Jun 29, 2026	42.80	42.80	42.80	42.80	42.80	0.99%	400
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