STO:ATCO.B Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Jun 1, 2026	156.60	157.65	152.55	153.30	153.30	-2.36%	1,268,228
May 29, 2026	157.10	157.50	154.70	157.00	157.00	0.32%	6,576,550
May 28, 2026	157.30	157.30	154.30	156.50	156.50	-1.60%	1,261,193
May 27, 2026	158.40	160.65	157.20	159.05	159.05	0.06%	1,297,302
May 26, 2026	160.20	160.35	157.50	158.95	158.95	-1.33%	1,242,120
May 25, 2026	160.00	161.40	159.45	161.10	161.10	2.51%	685,866
May 22, 2026	158.60	159.10	157.00	157.15	157.15	0.32%	1,059,407
May 21, 2026	155.25	157.25	154.60	156.65	156.65	0.90%	1,041,375
May 20, 2026	151.85	156.75	151.50	155.25	155.25	1.80%	1,278,528
May 19, 2026	153.00	155.25	151.95	152.50	152.50	-1.29%	1,830,466
May 18, 2026	152.20	155.55	151.05	154.50	154.50	0.52%	2,156,808
May 15, 2026	155.15	156.10	152.50	153.70	153.70	-0.32%	2,026,517
May 13, 2026	156.65	157.20	154.20	154.20	154.20	-0.58%	666,659
May 12, 2026	157.45	157.60	155.05	155.10	155.10	-2.42%	1,097,882
May 11, 2026	158.20	158.95	156.80	158.95	158.95	0.16%	1,069,903
May 8, 2026	159.85	160.25	157.75	158.70	158.70	-1.31%	1,335,899
May 7, 2026	164.20	166.70	160.80	160.80	160.80	-1.86%	1,572,504
May 6, 2026	157.00	164.20	157.00	163.85	163.85	5.20%	1,652,255
May 5, 2026	151.55	155.75	151.50	155.75	155.75	2.94%	1,082,348
May 4, 2026	156.40	156.95	150.95	151.30	151.30	-2.29%	1,487,628
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	-0.26%	1,318,729
Apr 28, 2026	163.10	163.85	153.90	156.25	153.75	-4.81%	3,304,316
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