STO:ATCO.B Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Apr 30, 2026	150.30	154.85	149.90	154.85	154.85	0.98%	1,745,817
Apr 29, 2026	155.30	155.75	152.55	153.35	153.35	-1.86%	1,276,357
Apr 28, 2026	163.10	163.85	153.90	156.25	153.75	-4.81%	3,025,618
Apr 27, 2026	165.50	167.20	163.40	164.15	161.52	-0.82%	1,027,361
Apr 24, 2026	163.45	166.80	162.30	165.50	162.85	0.70%	1,246,005
Apr 23, 2026	162.75	165.15	161.95	164.35	161.72	0.27%	893,029
Apr 22, 2026	166.25	166.95	163.80	163.90	161.28	-0.64%	1,087,464
Apr 21, 2026	167.50	168.60	164.50	164.95	162.31	-0.81%	1,611,339
Apr 20, 2026	166.00	167.50	165.10	166.30	163.64	-1.10%	1,501,487
Apr 17, 2026	162.25	168.40	161.80	168.15	165.46	3.41%	1,308,933
Apr 16, 2026	162.00	162.85	160.95	162.60	160.00	0.74%	1,189,240
Apr 15, 2026	162.05	163.85	160.80	161.40	158.82	-0.15%	1,761,788
Apr 14, 2026	160.00	162.20	159.85	161.65	159.06	2.08%	1,179,992
Apr 13, 2026	156.25	158.75	155.80	158.35	155.82	0.03%	1,328,713
Apr 10, 2026	158.00	160.65	157.20	158.30	155.77	0.70%	2,164,831
Apr 9, 2026	156.20	157.55	155.65	157.20	154.68	0.19%	1,754,664
Apr 8, 2026	157.00	157.45	154.55	156.90	154.39	6.41%	2,759,583
Apr 7, 2026	148.50	150.00	146.45	147.45	145.09	-0.03%	2,689,983
Apr 2, 2026	145.75	147.70	144.95	147.50	145.14	-1.14%	1,331,334
Apr 1, 2026	150.00	150.65	148.50	149.20	146.81	3.00%	2,059,821
Mar 31, 2026	143.50	145.05	142.70	144.85	142.53	0.98%	2,426,398
Mar 30, 2026	142.40	144.60	141.85	143.45	141.15	0.74%	1,618,912
Mar 27, 2026	143.95	144.00	141.45	142.40	140.12	-1.08%	1,823,547
Mar 26, 2026	145.80	145.95	143.50	143.95	141.65	-1.27%	2,998,807
Mar 25, 2026	146.10	146.85	144.10	145.80	143.47	1.96%	1,595,148
Mar 24, 2026	143.75	144.05	140.35	143.00	140.71	-0.59%	1,791,918
Mar 23, 2026	136.25	146.25	135.80	143.85	141.55	2.49%	3,052,293
Mar 20, 2026	143.10	144.50	139.60	140.35	138.10	-1.16%	2,533,639
Mar 19, 2026	145.75	146.05	140.80	142.00	139.73	-4.92%	2,292,123
Mar 18, 2026	149.50	151.65	148.50	149.35	146.96	0.78%	1,127,161
Mar 17, 2026	148.50	149.70	147.60	148.20	145.83	-0.80%	1,395,522
Mar 16, 2026	150.00	150.65	147.95	149.40	147.01	-0.33%	1,046,339
Mar 13, 2026	152.20	153.20	149.90	149.90	147.50	-2.50%	943,367
Mar 12, 2026	154.45	155.60	152.25	153.75	151.29	-0.65%	1,347,747
Mar 11, 2026	154.60	155.30	153.20	154.75	152.27	-0.67%	796,373
Mar 10, 2026	154.95	156.95	154.00	155.80	153.31	4.07%	1,269,062
Mar 9, 2026	147.75	150.05	146.60	149.70	147.30	-2.28%	1,886,096
Mar 6, 2026	158.70	159.90	152.20	153.20	150.75	-3.13%	1,530,621
Mar 5, 2026	160.80	162.30	158.15	158.15	155.62	-2.04%	1,746,361
Mar 4, 2026	159.10	162.40	158.50	161.45	158.87	1.29%	1,507,065
Mar 3, 2026	163.05	163.05	158.00	159.40	156.85	-3.69%	2,199,654
Mar 2, 2026	165.90	167.35	163.60	165.50	162.85	-2.56%	1,399,854
Feb 27, 2026	169.50	170.90	167.75	169.85	167.13	0.35%	2,041,114
Feb 26, 2026	170.15	172.20	168.70	169.25	166.54	-0.47%	1,140,059
Feb 25, 2026	170.20	172.35	169.90	170.05	167.33	-0.06%	1,699,685
Feb 24, 2026	168.00	170.20	167.90	170.15	167.43	1.10%	1,456,960
Feb 23, 2026	169.30	169.30	167.05	168.30	165.61	-0.80%	1,221,057
Feb 20, 2026	168.75	169.80	168.15	169.65	166.94	0.83%	1,359,403
Feb 19, 2026	168.50	169.00	167.05	168.25	165.56	-0.50%	973,949
Feb 18, 2026	167.55	169.50	167.35	169.10	166.39	0.59%	1,216,291