TransAlta Corporation - TAC - Stock Historical Data & Price

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
October 17, 2025	16.63	16.57	16.57	16.9	16.18	2.65M
October 16, 2025	17.15	16.96	16.96	17.15	16.58	2.21M
October 15, 2025	17.05	17.04	17.04	17.35	16.93	2.78M
October 14, 2025	16.87	16.73	16.73	16.92	16.17	4.31M
October 13, 2025	16.33	17.1	17.1	17.69	16.21	6.9M
October 10, 2025	15.67	15.59	15.59	16.2	15.55	4.12M
October 09, 2025	15.6	15.6	15.6	15.79	15.41	1.33M
October 08, 2025	15.07	15.61	15.61	15.7	15.05	3.1M
October 07, 2025	14.71	15	15	15.01	14.58	1.21M
October 06, 2025	14.5	14.67	14.67	14.86	14.47	2.03M
October 03, 2025	13.77	14.47	14.47	14.9	13.52	3.36M
October 02, 2025	13.9	13.7	13.7	13.91	13.66	1.26M
October 01, 2025	13.69	13.8	13.8	13.91	13.64	3.66M
September 30, 2025	13.61	13.67	13.67	13.79	13.58	836,000
September 29, 2025	13.66	13.67	13.67	13.76	13.56	466,800
September 26, 2025	13.53	13.62	13.62	13.64	13.45	526,940
September 25, 2025	13.5	13.49	13.49	13.55	13.4	741,145
September 24, 2025	13.68	13.64	13.64	13.74	13.46	616,316
September 23, 2025	13.83	13.62	13.62	13.83	13.59	670,500
September 22, 2025	13.51	13.86	13.86	13.9	13.47	1.81M
September 19, 2025	13.68	13.64	13.64	13.81	13.26	1.7M
September 18, 2025	13.28	13.47	13.47	13.59	13.18	1.41M
September 17, 2025	12.88	13.14	13.14	13.27	12.83	1.22M
September 16, 2025	13	12.93	12.93	13	12.77	488,100
September 15, 2025	12.64	13	13	13.02	12.64	1.71M
September 12, 2025	12.56	12.64	12.64	12.67	12.53	699,824
September 11, 2025	12.71	12.65	12.65	12.82	12.45	947,900
September 10, 2025	12.47	12.68	12.68	12.73	12.44	705,300
September 09, 2025	12.3	12.35	12.35	12.53	12.25	918,200
September 08, 2025	12.32	12.31	12.31	12.37	12.16	1.13M
September 05, 2025	12.23	12.28	12.28	12.29	12.04	524,747
September 04, 2025	12.06	12.12	12.12	12.13	11.94	1.63M
September 03, 2025	12.06	12.04	12.04	12.12	12.01	725,738
September 02, 2025	12.11	12.1	12.1	12.28	11.95	567,800
August 29, 2025	12.52	12.3	12.3	12.52	12.22	2.15M
August 28, 2025	12.13	12.61	12.61	12.66	12.08	704,791
August 27, 2025	12.2	12.07	12.07	12.27	12.02	490,733
August 26, 2025	12.23	12.26	12.26	12.27	12.05	432,700
August 25, 2025	12.07	12.16	12.16	12.2	11.97	979,148
August 22, 2025	12.26	12.13	12.13	12.39	12.08	2.75M
August 21, 2025	12.28	12.31	12.31	12.54	12.28	647,100
August 20, 2025	12.32	12.31	12.31	12.43	12.14	660,047
August 19, 2025	12.54	12.37	12.37	12.54	12.33	650,900
August 18, 2025	12.31	12.51	12.51	12.61	12.31	729,800
August 15, 2025	12.57	12.34	12.34	12.62	12.33	750,542
August 14, 2025	12.18	12.5	12.5	12.63	12.12	1.77M
August 13, 2025	12.36	12.25	12.25	12.36	12.15	994,138
August 12, 2025	12	12.26	12.26	12.3	12	839,100
August 11, 2025	12.08	12	12	12.11	11.97	4.4M
August 08, 2025	12.04	12.08	12.08	12.19	11.94	1.03M
August 07, 2025	12.19	12.02	12.02	12.19	11.88	845,942
August 06, 2025	12	12.17	12.17	12.25	11.94	1.07M
August 05, 2025	12.46	12.07	12.07	12.57	12.01	1.7M
August 04, 2025	12.37	12.52	12.52	12.57	12.25	683,800
August 01, 2025	12	12.37	12.37	12.66	11.86	1.47M
July 31, 2025	12.25	12.05	12.05	12.33	11.95	1.63M
July 30, 2025	12.15	12.27	12.27	12.49	12.08	1.25M
July 29, 2025	12.2	12.14	12.14	12.33	12.02	1.23M
July 28, 2025	12.29	12.2	12.2	12.31	11.98	1.38M
July 25, 2025	12.29	12.27	12.27	12.31	12.15	1.01M

TransAlta Corporation (TAC) NYSE