AltaGas Stock Price History

Historical Data

Date	Open	High	Low	Close	Adj. Close	Change	Volume
Oct 24, 2025	42.83	42.86	42.60	42.69	42.69	-0.28%	944,018
Oct 23, 2025	43.13	43.27	42.32	42.81	42.81	-0.72%	1,102,010
Oct 22, 2025	42.74	43.36	42.60	43.12	43.12	1.05%	768,400
Oct 21, 2025	42.51	42.72	42.09	42.67	42.67	0.16%	791,027
Oct 20, 2025	42.61	42.90	42.49	42.60	42.60	0.31%	757,400
Oct 17, 2025	42.12	42.56	42.01	42.47	42.47	0.81%	883,926
Oct 16, 2025	42.32	42.41	41.85	42.13	42.13	-0.33%	446,300
Oct 15, 2025	42.34	42.70	42.23	42.27	42.27	-0.26%	422,813
Oct 14, 2025	42.52	42.75	42.16	42.38	42.38	-0.56%	495,449
Oct 10, 2025	42.54	42.70	42.34	42.62	42.62	0.73%	537,303
Oct 9, 2025	42.64	42.80	42.17	42.31	42.31	-0.87%	414,009
Oct 8, 2025	42.76	42.79	42.31	42.68	42.68	-0.05%	688,325
Oct 7, 2025	43.18	43.22	42.45	42.70	42.70	-1.16%	513,300
Oct 6, 2025	43.52	43.66	43.09	43.20	43.20	-0.55%	452,507
Oct 3, 2025	42.96	43.81	42.95	43.44	43.44	0.79%	590,833
Oct 2, 2025	43.18	43.46	42.95	43.10	43.10	-0.02%	761,500
Oct 1, 2025	42.80	43.23	42.75	43.11	43.11	0.54%	505,400
Sep 30, 2025	42.74	43.15	42.64	42.88	42.88	0.33%	575,738
Sep 29, 2025	42.42	42.97	42.40	42.74	42.74	0.54%	419,800
Sep 26, 2025	43.53	43.69	42.48	42.51	42.51	-2.14%	613,800
Sep 25, 2025	43.00	43.56	42.76	43.44	43.44	1.07%	943,814
Sep 24, 2025	42.80	43.19	42.66	42.98	42.98	0.73%	720,001
Sep 23, 2025	42.40	42.87	42.31	42.67	42.67	0.59%	471,809
Sep 22, 2025	42.50	42.73	42.23	42.42	42.42	-0.33%	2,888,234
Sep 19, 2025	41.75	42.85	41.63	42.56	42.56	2.75%	4,960,739
Sep 18, 2025	41.28	41.70	41.28	41.42	41.42	0.19%	390,605
Sep 17, 2025	41.06	41.42	41.00	41.34	41.34	0.68%	2,011,000
Sep 16, 2025	41.57	41.64	40.97	41.06	41.06	-2.10%	673,329
Sep 15, 2025	41.81	42.13	41.69	41.94	41.62	0.43%	1,648,500
Sep 12, 2025	41.44	41.87	41.34	41.76	41.45	0.82%	281,000
Sep 11, 2025	41.77	42.16	41.37	41.42	41.11	-0.74%	356,500
Sep 10, 2025	41.56	41.99	41.48	41.73	41.42	0.43%	544,400
Sep 9, 2025	41.35	41.93	41.22	41.55	41.24	0.48%	590,400
Sep 8, 2025	41.43	41.51	41.16	41.35	41.04	-0.27%	440,900
Sep 5, 2025	41.30	41.49	41.17	41.46	41.15	0.46%	801,800
Sep 4, 2025	41.17	41.56	41.12	41.27	40.96	0.41%	767,600
Sep 3, 2025	41.67	41.80	40.94	41.10	40.79	-1.67%	560,500
Sep 2, 2025	40.80	41.85	40.46	41.80	41.49	2.68%	786,800
Aug 29, 2025	40.78	41.00	40.59	40.71	40.40	-0.27%	470,646
Aug 28, 2025	40.78	40.85	40.41	40.82	40.51	0.79%	453,017
Aug 27, 2025	40.43	40.66	40.41	40.50	40.20	0.25%	722,100
Aug 26, 2025	41.35	41.38	40.34	40.40	40.10	-2.53%	2,008,800
Aug 25, 2025	42.14	42.20	41.31	41.45	41.14	-1.71%	699,643
Aug 22, 2025	42.04	42.31	41.87	42.17	41.85	0.57%	953,300
Aug 21, 2025	41.50	42.08	41.41	41.93	41.62	0.87%	559,525
Aug 20, 2025	41.66	42.02	41.55	41.57	41.26	-0.02%	745,706
Aug 19, 2025	41.57	41.73	41.45	41.58	41.27	-0.10%	281,900
Aug 18, 2025	41.66	41.74	41.43	41.62	41.31	-0.26%	306,109
Aug 15, 2025	41.92	42.03	41.56	41.73	41.42	-0.43%	910,500
Aug 14, 2025	41.60	41.94	41.30	41.91	41.60	0.82%	356,900