TransAlta Corp (TA.TO) — Price History

As of 2026-11-02 — refreshed nightly from the Closelooknet data lake. Diary readings, not advice.

The Closelooknet read

Closelooknet score: 33 out of 100 (momentum 50 · quality 32 · valuation 39), as of 2026-11-03.
Signal: Recovery attempt under the 200-day — Trades +2.6% vs the 50-day and -0.4% vs the 200-day average, 27.8% below the 52-week high and +14.9% off the 52-week low; a death cross printed 36 sessions ago. Computed from daily closes. (as of 2026-11-02)
Trend: TransAlta Corp trades 2.6% above its 50-day and 0.4% below its 200-day moving average. (as of 2026-11-02)

TransAlta generates and sells electric power, working through five segments: Hydro, Wind and Solar, Gas, Energy Transition and Energy Marketing. The first four each hold generation assets in Alberta, elsewhere in Canada, the United States and Western Australia, covering hydroelectric dams, wind and solar farms, gas-fired plants and newer battery-storage facilities.

The full read — the desk's view, the earnings record, peers and the company snapshot — is on the TA.TO overview; the trend detail on the technical tab. Agents can buy the score depth per call over HTTP 402 — see the catalogue. Research diary readings, not advice.

Daily prices

Date	Open	High	Low	Close	Chg %	Volume
2026-11-02	18.08	18.25	17.78	17.81	-1.71%	2,195,600
2026-10-30	18.22	18.33	17.63	18.12	-1.79%	1,298,400
2026-10-29	18.20	18.49	18.20	18.45	+0.87%	982,900
2026-10-28	18.21	18.41	17.94	18.29	+1.27%	1,212,400
2026-10-27	17.32	18.12	17.29	18.06	+4.88%	1,559,100
2026-10-26	17.08	17.43	16.98	17.22	+0.47%	1,114,100
2026-10-23	17.32	17.59	16.95	17.14	-2.17%	1,679,400
2026-10-22	18.76	18.94	17.44	17.52	-6.36%	3,046,700
2026-10-21	18.32	19.08	18.32	18.71	+2.63%	2,958,200
2026-10-20	18.28	18.39	18.17	18.23	-0.76%	694,100
2026-10-19	18.33	18.45	18.07	18.37	+0.66%	1,970,300
2026-10-16	18.03	18.44	17.89	18.25	+1.39%	2,230,700
2026-10-15	17.95	18.05	17.50	18.00	-0.33%	1,802,000
2026-10-14	18.70	18.85	17.90	18.06	-3.83%	4,925,600
2026-10-13	18.53	18.88	18.35	18.78	+0.00%	2,015,100
2026-10-09	18.35	18.78	18.27	18.78	+2.40%	1,480,300
2026-10-08	18.19	18.51	18.10	18.34	-0.11%	1,952,612
2026-10-07	18.43	18.80	18.30	18.36	-1.45%	1,364,717
2026-10-06	17.88	18.80	17.86	18.63	+4.78%	2,700,778
2026-10-05	17.58	17.86	17.35	17.78	+1.08%	2,434,816
2026-10-02	17.42	17.71	17.37	17.59	+1.38%	1,074,400
2026-10-01	17.30	17.62	17.21	17.35	+0.75%	2,494,400
2026-09-30	16.81	17.28	16.68	17.22	+2.74%	1,298,300
2026-09-29	16.75	16.83	16.46	16.76	-0.24%	960,000
2026-09-28	16.25	16.99	16.19	16.80	+3.07%	2,144,500
2026-09-25	16.61	16.83	16.22	16.30	-2.04%	1,532,500
2026-09-24	16.73	16.77	16.51	16.64	-1.42%	872,100
2026-09-23	16.81	16.97	16.65	16.88	+0.42%	2,242,100
2026-09-22	17.28	17.38	16.73	16.81	-2.78%	1,171,500
2026-09-21	17.20	17.40	17.12	17.29	+0.99%	1,694,900
2026-09-18	17.19	17.28	16.98	17.12	-0.35%	2,233,900
2026-09-17	16.90	17.24	16.82	17.18	+2.69%	1,314,300
2026-09-16	16.22	16.91	16.06	16.73	+4.43%	1,979,300
2026-09-15	16.47	16.67	15.96	16.02	-2.26%	1,789,300
2026-09-14	16.66	16.66	16.29	16.39	-2.03%	2,233,600
2026-09-11	16.97	17.04	16.69	16.73	-0.89%	2,684,500
2026-09-10	16.96	17.03	16.68	16.88	-1.06%	1,744,700
2026-09-09	17.03	17.27	16.93	17.06	-0.29%	1,282,800
2026-09-08	16.50	17.27	16.50	17.11	+3.38%	2,715,700
2026-09-04	16.30	16.71	16.22	16.55	+1.78%	960,100
2026-09-03	16.47	16.52	16.15	16.26	-0.91%	2,194,700
2026-09-02	16.36	16.48	16.17	16.41	+0.06%	1,847,865
2026-09-01	16.70	16.84	16.25	16.40	-2.21%	1,326,450
2026-08-31	16.96	16.96	16.63	16.77	-1.06%	3,332,976
2026-08-28	17.36	17.40	16.83	16.95	-2.02%	2,398,852
2026-08-27	17.51	17.68	17.15	17.30	-1.42%	2,772,415
2026-08-26	16.90	17.70	16.90	17.55	+3.66%	1,966,060
2026-08-25	16.84	17.03	16.81	16.93	+0.89%	3,449,366
2026-08-24	16.76	16.84	16.41	16.78	-0.18%	2,563,358
2026-08-21	17.46	17.54	16.79	16.81	-3.34%	2,043,541
2026-08-20	17.00	17.69	17.00	17.39	+1.70%	2,704,629
2026-08-19	17.37	17.41	16.98	17.10	-1.50%	1,780,175
2026-08-18	17.51	17.60	17.28	17.36	-1.53%	1,403,528
2026-08-17	17.73	17.81	17.53	17.63	-0.79%	3,434,247
2026-08-14	17.55	17.88	17.48	17.77	+1.31%	1,165,387
2026-08-13	17.29	17.59	17.23	17.54	+1.56%	2,596,779
2026-08-12	17.20	17.64	17.14	17.27	-0.63%	3,370,099
2026-08-11	17.13	17.47	17.10	17.38	+1.64%	2,068,291
2026-08-10	17.25	17.39	17.03	17.10	-1.27%	2,137,113
2026-08-07	17.54	17.70	17.30	17.32	-0.92%	1,918,648
2026-08-06	17.69	17.85	17.39	17.48	-1.47%	2,001,257
2026-08-05	17.98	18.14	17.74	17.74	-1.39%	1,445,218
2026-08-04	17.56	18.08	17.32	17.99	+2.45%	2,248,365
2026-07-31	18.00	18.24	17.50	17.56	-2.66%	1,736,646
2026-07-30	17.69	18.10	17.62	18.04	+2.97%	1,453,985
2026-07-29	18.00	18.07	17.39	17.52	-2.61%	2,455,975
2026-07-28	18.80	18.81	17.86	17.99	-5.02%	1,986,264
2026-07-27	19.17	19.27	18.76	18.94	-1.87%	1,933,960
2026-07-24	19.84	19.88	19.29	19.30	-2.92%	738,877
2026-07-23	19.74	19.96	19.58	19.88	+0.61%	616,412
2026-07-22	19.60	19.89	19.22	19.76	+0.25%	2,294,480
2026-07-21	19.42	19.79	19.30	19.71	+2.02%	1,727,612
2026-07-20	18.67	19.33	18.63	19.32	+3.82%	1,701,671
2026-07-17	18.42	18.82	18.29	18.61	+0.11%	2,029,761
2026-07-16	19.14	19.14	18.47	18.59	-2.92%	2,694,117
2026-07-15	19.66	19.78	18.93	19.15	-2.25%	1,105,966
2026-07-14	19.87	19.94	19.51	19.59	-0.46%	1,395,984
2026-07-13	20.11	20.16	19.63	19.68	-2.33%	674,664
2026-07-10	20.51	20.51	20.13	20.15	-1.90%	1,076,771
2026-07-09	20.64	21.07	20.25	20.54	+0.24%	1,387,738
2026-07-08	19.86	20.60	19.78	20.49	+2.45%	2,050,636
2026-07-07	19.34	20.01	19.23	20.00	+3.73%	2,369,700
2026-07-06	19.53	19.85	19.25	19.28	-0.87%	1,436,254
2026-07-03	19.14	19.63	19.14	19.45	+1.78%	382,303
2026-07-02	19.31	19.62	18.87	19.11	-2.60%	2,373,417
2026-06-30	19.28	19.79	19.16	19.62	+1.34%	1,293,088
2026-06-29	19.57	19.76	19.15	19.36	-1.07%	2,056,664
2026-06-26	19.62	19.67	19.40	19.57	-0.10%	2,203,182
2026-06-25	19.68	19.87	19.29	19.59	+0.62%	2,532,444
2026-06-24	19.46	19.82	19.24	19.47	-0.21%	2,719,623
2026-06-23	19.37	19.51	19.21	19.51	-0.66%	1,916,914
2026-06-22	19.55	19.90	19.42	19.64	+0.61%	2,082,533
2026-06-19	19.40	19.62	19.40	19.52	+0.46%	739,023
2026-06-18	19.22	19.57	19.07	19.43	+1.41%	1,942,692
2026-06-17	18.89	19.50	18.88	19.16	+1.16%	2,542,535
2026-06-16	18.97	19.14	18.79	18.94	-0.42%	1,689,565
2026-06-15	18.86	19.10	18.62	19.02	+1.39%	2,657,739
2026-06-12	18.75	19.09	18.56	18.76	+0.37%	2,893,859
2026-06-11	17.35	18.86	17.35	18.69	+8.22%	4,675,801
2026-06-10	17.63	17.66	16.95	17.27	-0.75%	2,421,910
2026-06-09	17.52	17.87	17.23	17.40	-0.40%	3,759,067
2026-06-08	17.70	17.88	17.32	17.47	-1.24%	3,748,328
2026-06-05	17.85	18.26	17.40	17.69	-1.72%	3,554,683
2026-06-04	18.90	18.95	17.65	18.00	-10.36%	7,600,637
2026-06-03	20.12	20.51	19.91	20.08	+1.26%	1,974,943
2026-06-02	19.62	20.20	19.62	19.83	+1.02%	1,308,078
2026-06-01	19.35	19.87	19.25	19.63	-0.10%	993,942
2026-05-29	19.36	19.65	19.09	19.65	+1.50%	2,899,881
2026-05-28	19.15	19.46	19.10	19.36	+1.15%	1,711,008
2026-05-27	19.50	19.50	19.02	19.14	-1.90%	768,818
2026-05-26	18.95	19.65	18.95	19.51	+3.45%	1,064,811
2026-05-25	18.84	18.99	18.80	18.86	+0.64%	251,377
2026-05-22	18.67	19.08	18.54	18.74	+1.02%	1,080,141
2026-05-21	17.81	18.57	17.75	18.55	+3.92%	1,703,535
2026-05-20	17.81	17.98	17.61	17.85	+0.85%	999,387
2026-05-19	17.34	17.98	17.20	17.70	+0.40%	1,203,331
2026-05-15	17.60	17.79	17.35	17.63	-0.84%	980,393
2026-05-14	17.58	17.94	17.29	17.78	+1.83%	1,031,568
2026-05-13	17.19	17.61	17.13	17.46	+1.16%	1,135,478
2026-05-12	17.38	17.41	16.86	17.26	-1.26%	1,304,599
2026-05-11	17.49	17.70	17.38	17.48	-0.06%	1,674,336
2026-05-08	17.50	17.63	17.14	17.49	+0.23%	1,452,900
2026-05-07	17.54	17.55	16.88	17.45	+0.00%	2,116,793
2026-05-06	17.15	17.98	16.93	17.45	+1.45%	3,492,278
2026-05-05	17.16	17.31	16.94	17.20	+0.29%	2,764,952
2026-05-04	17.02	17.16	16.83	17.15	+1.24%	920,627
2026-05-01	16.90	17.17	16.81	16.94	+0.06%	931,120
2026-04-30	16.50	17.06	16.45	16.93	+2.92%	1,456,135
2026-04-29	17.40	17.40	16.34	16.45	-5.62%	2,022,886
2026-04-28	17.17	17.58	17.09	17.43	+1.51%	2,597,070
2026-04-27	17.15	17.28	16.91	17.17	+0.82%	1,868,310
2026-04-24	16.66	17.16	16.42	17.03	+2.90%	1,528,867
2026-04-23	16.85	17.16	16.34	16.55	-1.37%	1,193,064
2026-04-22	16.80	16.96	16.42	16.78	+0.84%	1,261,356
2026-04-21	17.10	17.32	16.58	16.64	-3.82%	2,092,467
2026-04-20	17.22	17.43	17.17	17.30	-0.35%	967,953
2026-04-17	18.44	18.44	17.30	17.36	-6.11%	1,851,052
2026-04-16	18.70	18.76	18.30	18.49	-1.28%	647,641
2026-04-15	18.51	19.11	18.32	18.73	+1.24%	1,102,566
2026-04-14	18.60	18.89	18.49	18.50	-1.96%	784,472
2026-04-13	19.18	19.33	18.83	18.87	-2.53%	1,115,917
2026-04-10	19.13	19.53	19.13	19.36	+1.20%	641,608
2026-04-09	19.05	19.70	19.00	19.13	+0.05%	800,916
2026-04-08	19.33	19.45	18.78	19.12	+1.32%	676,812
2026-04-07	19.03	19.20	18.62	18.87	-0.53%	1,194,650
2026-04-06	18.71	19.09	18.69	18.97	+1.12%	1,195,542
2026-04-02	18.15	18.77	18.13	18.76	+1.41%	1,645,637
2026-04-01	18.31	18.72	18.29	18.50	+1.15%	990,518
2026-03-31	17.91	18.45	17.84	18.29	+3.10%	1,116,602
2026-03-30	18.05	18.14	17.57	17.74	-1.33%	1,722,305
2026-03-27	17.79	18.15	17.73	17.98	+0.28%	2,681,236
2026-03-26	17.94	18.27	17.82	17.93	-0.72%	934,792
2026-03-25	17.90	18.34	17.77	18.06	+2.73%	1,516,866
2026-03-24	17.21	17.78	16.60	17.58	+6.48%	2,258,190
2026-03-23	16.23	16.60	15.62	16.51	+1.79%	2,390,874
2026-03-20	16.96	17.01	16.02	16.22	-4.81%	2,002,924
2026-03-19	16.81	17.24	16.76	17.04	-0.47%	2,211,062
2026-03-18	17.08	17.32	17.02	17.12	-0.35%	988,040
2026-03-17	17.10	17.33	16.98	17.18	+0.70%	1,383,136
2026-03-16	17.25	17.30	16.83	17.06	-0.29%	1,295,929
2026-03-13	17.46	17.84	17.03	17.11	-1.72%	770,948
2026-03-12	17.27	17.77	17.13	17.41	-0.29%	1,362,080
2026-03-11	17.15	17.57	17.15	17.46	+0.87%	925,672
2026-03-10	17.26	17.57	17.26	17.31	+0.70%	954,192
2026-03-09	16.99	17.25	16.46	17.19	-0.75%	1,294,508
2026-03-06	17.91	17.92	17.14	17.32	-4.84%	2,013,175
2026-03-05	17.94	18.20	17.73	18.20	+0.72%	1,471,041
2026-03-04	18.45	18.63	17.98	18.07	-0.55%	1,001,756
2026-03-03	18.49	18.63	17.75	18.17	-3.86%	1,880,647
2026-03-02	18.60	19.45	18.15	18.90	+0.80%	1,502,337
2026-02-27	18.34	19.10	18.14	18.75	+5.34%	2,361,076
2026-02-26	17.70	17.80	17.26	17.80	+1.19%	1,326,138
2026-02-25	18.00	18.00	17.57	17.59	-1.51%	656,647
2026-02-24	17.72	17.98	17.66	17.86	+1.02%	1,626,150
2026-02-23	18.49	18.49	17.49	17.68	-4.28%	1,056,815
2026-02-20	18.48	18.52	18.16	18.47	+0.00%	530,028
2026-02-19	18.43	18.59	18.20	18.47	+0.49%	408,273
2026-02-18	18.49	18.54	18.20	18.38	+0.22%	996,199
2026-02-17	18.50	18.61	18.09	18.34	-0.86%	1,420,289
2026-02-13	18.18	18.59	18.10	18.50	+1.87%	703,974
2026-02-12	18.44	18.56	17.71	18.16	-0.98%	1,050,468
2026-02-11	18.21	18.35	17.74	18.34	+2.12%	815,761
2026-02-10	18.31	18.36	17.60	17.96	-2.60%	1,106,699
2026-02-09	18.09	18.46	17.95	18.44	+1.93%	1,242,320
2026-02-06	17.13	18.10	17.13	18.09	+6.91%	990,090
2026-02-05	17.09	17.22	16.85	16.92	-1.63%	880,332
2026-02-04	17.97	18.05	17.15	17.20	-3.64%	1,625,774
2026-02-03	17.73	18.06	17.50	17.85	+2.23%	1,158,424
2026-02-02	17.30	17.79	17.25	17.46	+0.34%	1,292,577
2026-01-30	18.00	18.34	17.28	17.40	-4.92%	1,148,749
2026-01-29	18.79	18.89	18.14	18.30	-3.02%	2,071,502
2026-01-28	18.80	18.97	18.59	18.87	+0.69%	1,543,101
2026-01-27	17.61	18.87	17.57	18.74	+6.36%	1,340,319
2026-01-26	17.47	18.12	17.45	17.62	+1.21%	1,341,863
2026-01-23	17.19	17.65	17.06	17.41	+1.16%	629,901
2026-01-22	17.26	17.85	17.20	17.21	+0.58%	1,055,108
2026-01-21	18.04	18.40	16.70	17.11	-4.15%	2,381,659
2026-01-20	17.21	17.85	17.07	17.85	+3.24%	1,261,630
2026-01-19	17.30	17.36	17.07	17.29	-0.92%	470,612
2026-01-16	17.13	17.46	16.73	17.45	+1.69%	1,321,840
2026-01-15	16.91	17.24	16.61	17.16	+2.08%	894,858
2026-01-14	16.81	16.95	16.61	16.81	-0.53%	1,296,289
2026-01-13	16.95	17.03	16.76	16.90	-0.12%	1,128,252
2026-01-12	17.18	17.21	16.90	16.92	-1.86%	1,127,987
2026-01-09	17.35	17.55	17.14	17.24	+1.95%	843,605
2026-01-08	17.02	17.10	16.75	16.91	-1.00%	1,320,145
2026-01-07	17.60	17.69	17.00	17.08	-2.73%	906,922
2026-01-06	17.71	17.77	17.16	17.56	-0.85%	863,038
2026-01-05	17.92	18.14	17.30	17.71	-0.84%	1,023,912
2026-01-02	17.39	17.90	17.39	17.86	+2.88%	1,203,825
2025-12-31	17.41	17.52	17.30	17.36	+0.12%	477,000
2025-12-30	17.43	17.55	17.32	17.34	-0.63%	1,324,888
2025-12-29	17.44	17.56	17.28	17.45	+0.06%	833,182
2025-12-24	17.38	17.44	17.10	17.44	+0.11%	314,465
2025-12-23	17.11	17.43	17.09	17.42	+1.52%	894,913
2025-12-22	17.37	17.38	16.97	17.16	-0.52%	1,352,940
2025-12-19	17.31	17.77	17.23	17.25	-0.40%	2,649,535
2025-12-18	17.90	17.93	17.21	17.32	-2.04%	2,366,188
2025-12-17	18.91	18.94	17.55	17.68	-5.40%	2,205,460
2025-12-16	18.87	18.89	18.60	18.69	-0.95%	1,287,499
2025-12-15	19.35	19.35	18.64	18.87	-1.10%	1,310,332
2025-12-12	19.84	19.98	19.05	19.08	-3.98%	1,232,465
2025-12-11	19.85	19.98	19.37	19.87	-0.45%	1,039,303
2025-12-10	20.59	20.59	19.62	19.96	-1.43%	1,197,762
2025-12-09	19.75	21.06	19.71	20.25	+3.53%	1,456,217
2025-12-08	19.51	19.64	19.21	19.56	+0.57%	637,572
2025-12-05	19.79	19.84	19.36	19.45	-2.16%	616,818
2025-12-04	19.45	20.08	19.45	19.88	+1.79%	785,481
2025-12-03	19.60	19.74	19.40	19.53	-0.66%	478,651
2025-12-02	20.11	20.19	19.62	19.66	-1.55%	1,496,208
2025-12-01	19.92	20.13	19.72	19.97	-1.72%	796,435
2025-11-28	19.80	20.47	19.65	20.32	+2.37%	1,519,167
2025-11-27	19.71	19.90	19.70	19.85	+0.56%	232,335
2025-11-26	20.03	20.03	19.51	19.74	+0.00%	755,399
2025-11-25	19.80	19.85	19.30	19.74	-1.45%	993,627
2025-11-24	19.66	20.07	19.37	20.03	+3.57%	1,271,592
2025-11-21	19.48	19.66	18.78	19.34	-1.02%	1,887,698
2025-11-20	20.64	20.97	19.43	19.54	-3.93%	1,964,019
2025-11-19	20.59	20.64	20.15	20.34	+0.79%	1,235,550
2025-11-18	20.00	20.50	19.64	20.18	+0.90%	1,081,341
2025-11-17	20.76	20.88	19.68	20.00	-2.25%	2,192,773
2025-11-14	19.99	20.95	19.79	20.46	+1.09%	1,606,291
2025-11-13	21.26	21.30	19.84	20.24	-5.33%	3,586,891
2025-11-12	21.91	21.99	21.34	21.38	-1.79%	733,256
2025-11-11	22.19	22.24	21.66	21.77	-1.49%	974,445
2025-11-10	22.14	22.39	21.71	22.10	+1.52%	2,232,391
2025-11-07	20.36	22.18	19.70	21.77	+3.03%	3,751,078
2025-11-06	19.49	21.39	19.13	21.13	-11.22%	6,912,793
2025-11-05	23.79	24.05	23.55	23.80	+1.23%	1,843,700
2025-11-04	24.21	24.60	23.33	23.51	-5.05%	1,573,675

Most recent 250 sessions, newest first.

Seasonal returns

Best month historically: Oct (+16.54%). Worst month: Nov (-17.93%). Based on 2 years of daily data (2025–2026).

Jan-10.11%
Feb+0.07%
Mar-5.78%
Apr-8.86%
May+11.51%
Jun+4.22%
Jul+3.67%
Aug-4.01%
Sep+9.42%
Oct+16.54%
Nov-17.93%
Dec-13.07%

FAQ · from the current price data · as of 2026-11-02

Quick answers

What is TransAlta Corp's (TA.TO) latest close?

17.81 on 2026-11-02, from the Closelook data lake's daily price record.

What is TA.TO's 52-week high and low?

25.02 high and 15.62 low over the trailing 52 weeks, as of 2026-11-02.

What is TransAlta Corp's strongest and weakest month historically?

Historically, TA.TO's strongest calendar month has been Oct (average +16.54%) and its weakest Nov (average -17.93%), based on 2 years of daily data (2025–2026).

How many years of seasonality does this cover?

2 years (2025–2026), computed from 461 daily bars in the Closelook data lake.

What is TransAlta Corp's Closelooknet score?

33 out of 100 (momentum 50 · quality 32 · valuation 39), as of 2026-11-03. Scores are Closelooknet's own research readings, not ratings or investment advice.

What is the current Closelooknet signal on TA.TO?

Recovery attempt under the 200-day: Trades +2.6% vs the 50-day and -0.4% vs the 200-day average, 27.8% below the 52-week high and +14.9% off the 52-week low; a death cross printed 36 sessions ago. Computed from daily closes. As of 2026-11-02. A research diary reading, not advice.

Is TA.TO above its 50-day and 200-day moving averages?

TransAlta Corp trades 2.6% above its 50-day and 0.4% below its 200-day moving average (1.8% below its 20-day). As of 2026-11-02.