TransAlta Corporation (TAC) NYSE

Currency In USD

TAC Historical Return

If you invested $1000 in TransAlta Corporation (TAC) 10 years ago, it would be worth $3,118.45 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $1,484.82, while $1000 invested 1 year ago would be worth $1,257.12. This corresponds to total returns of 211.85%, 48.48%, 25.71%, respectively, with annualized returns of 12.04%, 8.22%, 25.71%.

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

TAC Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 23, 2026	13.56	13.69	13.69	13.73	13.52	939,025
June 22, 2026	13.79	13.85	13.85	14.06	13.7	1.1M
June 18, 2026	13.77	13.74	13.74	13.85	13.51	1.66M
June 17, 2026	13.47	13.56	13.56	13.88	13.46	1.59M
June 16, 2026	13.55	13.51	13.51	13.68	13.45	1.03M
June 15, 2026	13.4	13.57	13.57	13.66	13.32	1.02M
June 12, 2026	13.36	13.39	13.39	13.65	13.27	1.37M
June 11, 2026	12.44	13.37	13.37	13.48	12.4	2.01M
June 10, 2026	12.78	12.38	12.38	12.78	12.17	1.36M
June 09, 2026	12.51	12.46	12.46	12.83	12.34	1.74M
June 08, 2026	12.69	12.51	12.51	12.82	12.41	1.17M
June 05, 2026	12.95	12.68	12.68	13.13	12.47	2.04M
June 04, 2026	13.61	12.96	12.96	13.62	12.7	4.18M
June 03, 2026	14.45	14.46	14.46	14.77	14.35	1.4M
June 02, 2026	14.22	14.34	14.34	14.61	14.17	1.36M
June 01, 2026	14.02	14.16	14.16	14.36	13.92	931,428
May 29, 2026	14.01	14.22	14.22	14.25	13.83	970,929
May 28, 2026	13.84	14.03	14.03	14.1	13.82	663,312
May 27, 2026	14.08	13.82	13.82	14.08	13.76	736,845
May 26, 2026	13.74	14.12	14.12	14.23	13.71	860,449
May 22, 2026	13.56	13.57	13.57	13.82	13.42	810,215
May 21, 2026	12.89	13.5	13.5	13.5	12.88	888,687
May 20, 2026	12.96	12.98	12.98	13.06	12.81	889,209
May 19, 2026	12.59	12.86	12.86	13.08	12.48	1.22M
May 18, 2026	12.76	12.46	12.46	12.85	12.34	514,954
May 15, 2026	12.72	12.78	12.78	12.93	12.62	718,130
May 14, 2026	12.74	12.95	12.95	13.07	12.6	606,271
May 13, 2026	12.59	12.73	12.73	12.83	12.5	505,792
May 12, 2026	12.62	12.58	12.58	12.69	12.29	1.09M
May 11, 2026	12.77	12.8	12.8	12.97	12.71	665,387
May 08, 2026	12.78	12.76	12.76	12.88	12.52	888,580
May 07, 2026	12.88	12.76	12.76	12.88	12.39	1.12M
May 06, 2026	12.71	12.79	12.79	13.19	12.4	1.87M
May 05, 2026	12.69	12.6	12.6	12.73	12.44	894,020
May 04, 2026	12.48	12.62	12.62	12.62	12.36	1.18M
May 01, 2026	12.49	12.48	12.48	12.64	12.4	1.09M
April 30, 2026	12.09	12.48	12.48	12.56	12.08	1.81M
April 29, 2026	12.69	12.01	12.01	12.78	11.94	1.38M
April 28, 2026	12.49	12.71	12.71	12.86	12.45	825,980
April 27, 2026	12.63	12.59	12.59	12.7	12.41	699,198
April 24, 2026	12.12	12.49	12.49	12.55	11.99	918,916
April 23, 2026	12.33	12.08	12.08	12.54	11.92	755,469
April 22, 2026	12.31	12.28	12.28	12.38	12.02	599,299
April 21, 2026	12.45	12.16	12.16	12.7	12.13	1.01M
April 20, 2026	12.65	12.66	12.66	12.78	12.54	1.02M
April 17, 2026	13.5	12.66	12.66	13.5	12.65	1.77M
April 16, 2026	13.66	13.5	13.5	13.68	13.36	552,550
April 15, 2026	13.46	13.68	13.68	13.9	13.32	781,764
April 14, 2026	13.56	13.49	13.49	13.79	13.43	659,482
April 13, 2026	13.94	13.68	13.68	13.99	13.66	501,281
April 10, 2026	13.88	14	14	14.12	13.87	540,160
April 09, 2026	13.8	13.83	13.83	14.24	13.75	881,252
April 08, 2026	13.93	13.83	13.83	14.06	13.57	679,372
April 07, 2026	13.58	13.54	13.54	13.79	13.39	1M
April 06, 2026	13.41	13.64	13.64	13.72	13.41	766,587
April 02, 2026	13.05	13.48	13.48	13.49	13.03	785,765
April 01, 2026	13.2	13.29	13.29	13.47	13.15	1.27M
March 31, 2026	12.9	13.1	13.1	13.25	12.81	1.41M
March 30, 2026	13.05	12.71	12.71	13.05	12.61	1.08M
March 27, 2026	12.94	12.92	12.92	13.08	12.8	1.02M