AltaGas Ltd. (ALA.TO) TSX

Currency In CAD

ALA.TO Historical Return

If you invested $1000 in AltaGas Ltd. (ALA.TO) 10 years ago, it would be worth $2,653.48 as of October 21, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $2,503.78, while $1000 invested 1 year ago would be worth $1,339.99. This corresponds to total returns of 165.35%, 150.38%, 34%, respectively, with annualized returns of 10.24%, 20.14%, 34%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

ALA.TO Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 21, 2026	55.85	56.36	56.36	56.74	55.85	808,366
October 20, 2026	55.77	55.8	55.8	56.24	55.56	584,951
October 19, 2026	56.29	55.72	55.72	56.29	55.36	488,422
October 16, 2026	55.3	56.53	56.53	56.74	55.3	573,514
October 15, 2026	56.43	55.26	55.26	56.65	55.16	582,097
October 14, 2026	56.35	56.38	56.38	56.74	56.04	868,886
October 13, 2026	56.06	56.33	56.33	56.5	55.61	595,918
October 09, 2026	54.98	55.44	55.44	55.99	54.92	660,223
October 08, 2026	54.48	55.05	55.05	55.08	54.48	659,929
October 07, 2026	54.49	54.4	54.4	54.6	53.99	856,390
October 06, 2026	53.63	54.52	54.52	54.67	53.55	810,844
October 05, 2026	53.3	53.63	53.63	53.72	52.97	949,152
October 02, 2026	52.42	53.31	53.31	53.48	51.76	671,317
October 01, 2026	52.11	52.69	52.69	52.75	51.61	506,761
September 30, 2026	52.37	52.26	52.26	52.48	51.81	629,466
September 29, 2026	52.34	52.28	52.28	52.95	51.95	581,589
September 28, 2026	52.49	52.79	52.79	53.02	51.96	879,476
September 25, 2026	53.54	52.21	52.21	53.54	51.86	806,706
September 24, 2026	53.97	53.6	53.6	54.12	53.52	408,152
September 23, 2026	52.53	53.89	53.89	53.94	52.5	3.27M
September 22, 2026	53.29	53.48	53.48	54	52.69	674,035
September 21, 2026	53.52	53.32	53.32	53.9	53.26	1.65M
September 18, 2026	53.29	53.62	53.62	53.75	52.66	1.34M
September 17, 2026	52.46	53.34	53.34	53.52	52.37	599,127
September 16, 2026	51.82	52.61	52.61	52.81	51.77	843,169
September 15, 2026	52.98	52.14	52.14	52.98	51.92	3.09M
September 11, 2026	52.14	51.91	51.91	52.32	51.45	869,769
September 10, 2026	53.79	52.25	52.25	53.99	51.9	878,478
September 09, 2026	53.45	53.78	53.78	53.93	53.3	722,681
September 08, 2026	52.43	53.24	53.24	53.51	52.43	430,813
September 04, 2026	52.29	52.54	52.54	52.65	52.03	629,164
September 03, 2026	52.68	52.22	52.22	52.71	51.78	646,995
September 02, 2026	53.52	52.83	52.83	53.64	52.74	909,626
September 01, 2026	53.84	53.52	53.52	54.1	53.11	722,322
August 31, 2026	52.54	53.71	53.71	53.74	52.52	1.12M
August 28, 2026	52.64	52.78	52.78	53.08	52.56	1.09M
August 27, 2026	52.84	52.59	52.59	53.05	52.23	539,488
August 26, 2026	52.53	53.12	53.12	53.22	52.53	478,660
August 25, 2026	52.71	52.58	52.58	53.02	52.45	522,418
August 24, 2026	52.22	52.85	52.85	52.93	51.97	705,427
August 21, 2026	53.76	52.25	52.25	53.76	51.97	1.11M
August 20, 2026	52.99	53.72	53.72	53.99	52.99	541,798
August 19, 2026	53.61	53.31	53.31	53.83	52.85	1.23M
August 18, 2026	53.45	53.66	53.66	54.01	53.25	486,217
August 17, 2026	53.63	53.17	53.17	53.66	52.87	600,229
August 14, 2026	53.09	53.65	53.65	53.66	52.94	729,353
August 13, 2026	52.9	53.14	53.14	53.49	52.9	1.02M
August 12, 2026	53.09	52.95	52.95	53.34	52.79	468,939
August 11, 2026	52.8	53.26	53.26	53.37	52.7	647,114
August 10, 2026	53.36	52.79	52.79	53.36	52.12	1.24M
August 07, 2026	53.42	53.2	53.2	53.5	52.83	739,111
August 06, 2026	53.6	53.88	53.88	53.89	53.15	703,485
August 05, 2026	55.41	52.97	52.97	55.54	52.64	2.02M
August 04, 2026	54.99	55.58	55.58	56.42	54.52	1.16M
July 31, 2026	56.33	55.78	55.78	57.28	55.78	824,676
July 30, 2026	56.4	55.83	55.83	56.99	54.85	953,793
July 29, 2026	55.79	55.64	55.64	56.11	55.02	1.04M
July 28, 2026	56.48	55.51	55.51	56.63	55.48	942,637
July 27, 2026	56.79	56.23	56.23	57.12	55.99	613,705
July 23, 2026	56.45	56.98	56.98	57.2	56.04	1.12M