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TransAlta Corporation (TAC)
NYSE: TAC · Real-Time Price · USD
14.06
-0.20 (-1.40%)
At close: Dec 5, 2025, 4:00 PM EST
13.96
-0.10 (-0.71%)
After-hours: Dec 5, 2025, 7:24 PM EST

TransAlta Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Dec 5, 202514.2814.3813.9714.0614.06-1.40%745,638
Dec 4, 202514.0114.4213.9214.2614.261.86%849,073
Dec 3, 202514.0714.1513.9114.0014.00-0.43%554,277
Dec 2, 202514.3814.4414.0314.0614.06-1.26%1,237,891
Dec 1, 202514.2914.3814.1214.2414.24-2.13%1,425,600
Nov 28, 202514.1714.5914.0414.5514.503.49%782,218
Nov 26, 202514.1414.2113.8914.0614.020.43%888,957
Nov 25, 202514.0814.1713.6814.0013.96-1.34%1,446,164
Nov 24, 202513.8514.2313.7514.1914.143.58%2,055,946
Nov 21, 202513.8113.9513.2913.7013.66-1.01%2,327,801
Nov 20, 202514.7614.9213.7813.8413.80-4.42%1,995,797
Nov 19, 202514.5414.6814.3714.4814.430.42%1,672,133
Nov 18, 202514.1714.6514.1114.4214.371.26%1,365,282
Nov 17, 202514.6514.8814.0114.2414.19-2.33%2,063,896
Nov 14, 202514.2114.9314.1114.5814.531.18%1,540,518
Nov 13, 202515.1615.1614.1514.4114.36-5.57%3,635,943
Nov 12, 202515.6015.6515.2515.2615.21-1.74%1,238,162
Nov 11, 202515.7615.9115.4715.5315.48-1.52%1,326,027
Nov 10, 202515.8215.9815.4915.7715.721.68%2,228,017
Nov 7, 202514.5615.8013.9215.5115.463.82%4,135,633
Nov 6, 202513.8115.1513.5214.9414.89-11.44%9,347,811
Nov 5, 202516.8717.0616.6716.8716.821.14%2,259,280
Nov 4, 202517.2317.4816.5516.6816.63-5.33%1,865,329
Nov 3, 202517.6317.8117.4817.6217.56-0.28%1,437,568
Oct 31, 202517.6717.8217.4517.6717.610.17%996,122
Oct 30, 202517.5817.8217.4917.6417.58-0.51%1,558,044
Oct 29, 202517.2617.8817.0417.7317.673.38%1,728,748
Oct 28, 202517.2017.3216.7817.1517.100.88%2,066,691
Oct 27, 202517.4217.4916.7617.0016.95-1.56%1,522,068
Oct 24, 202517.5217.5217.0317.2717.210.23%1,544,769
Oct 23, 202516.7517.3716.7017.2317.172.99%2,107,393
Oct 22, 202516.7017.2116.2416.7316.680.12%2,385,162
Oct 21, 202516.8016.9216.4516.7116.66-0.89%1,607,163
Oct 20, 202516.7217.1016.5916.8616.811.75%2,472,225
Oct 17, 202516.6316.9016.1816.5716.52-2.30%2,652,945
Oct 16, 202517.1517.1516.5816.9616.91-0.47%2,212,356
Oct 15, 202517.0517.3516.9317.0416.991.85%2,777,927
Oct 14, 202516.8716.9216.1716.7316.68-2.16%4,305,090
Oct 13, 202516.3317.6916.2117.1017.059.69%6,895,964
Oct 10, 202515.6716.2015.5515.5915.54-0.06%4,124,735
Oct 9, 202515.6015.7915.4115.6015.55-0.06%1,332,208
Oct 8, 202515.0715.7015.0515.6115.564.07%3,095,727
Oct 7, 202514.7115.0114.5815.0014.952.25%1,211,326
Oct 6, 202514.5014.8614.4714.6714.621.38%2,025,673
Oct 3, 202513.7714.9013.5214.4714.425.62%3,363,581
Oct 2, 202513.9013.9113.6613.7013.66-0.72%1,256,616
Oct 1, 202513.6913.9113.6413.8013.760.95%3,655,103
Sep 30, 202513.6113.7913.5813.6713.63-835,983
Sep 29, 202513.6613.7613.5613.6713.630.37%466,775
Sep 26, 202513.5313.6413.4513.6213.580.96%526,940
Sep 25, 202513.5013.5513.4013.4913.45-1.10%741,145
Sep 24, 202513.6813.7413.4613.6413.600.15%616,316
Sep 23, 202513.8313.8313.5913.6213.58-1.73%670,498
Sep 22, 202513.5113.9013.4713.8613.821.61%1,811,338
Sep 19, 202513.6813.8113.2613.6413.601.26%1,695,888
Sep 18, 202513.2813.5913.1813.4713.432.51%1,413,898
Sep 17, 202512.8813.2712.8313.1413.101.62%1,221,362
Sep 16, 202513.0013.0012.7712.9312.89-0.54%488,084
Sep 15, 202512.6413.0212.6413.0012.962.85%1,714,795
Sep 12, 202512.5612.6712.5312.6412.60-0.08%699,824
Sep 11, 202512.7112.8212.4512.6512.61-0.24%947,878
Sep 10, 202512.4712.7312.4412.6812.642.67%705,299
Sep 9, 202512.3012.5312.2512.3512.310.32%918,150
Sep 8, 202512.3212.3712.1612.3112.270.24%1,131,116
Sep 5, 202512.2312.2912.0412.2812.241.32%524,747
Sep 4, 202512.0612.1311.9412.1212.080.66%1,629,469
Sep 3, 202512.0612.1212.0112.0412.00-0.50%725,738
Sep 2, 202512.1112.2811.9512.1012.06-1.63%567,783
Aug 29, 202512.5212.5212.2212.3012.26-2.46%2,151,968
Aug 28, 202512.1312.6612.0812.6112.524.47%704,791
Aug 27, 202512.2012.2712.0212.0711.99-1.55%490,733
Aug 26, 202512.2312.2712.0512.2612.180.82%432,687
Aug 25, 202512.0712.2011.9712.1612.080.25%979,148
Aug 22, 202512.2612.3912.0812.1312.05-1.46%2,754,054
Aug 21, 202512.2812.5412.2812.3112.22-647,098
Aug 20, 202512.3212.4312.1412.3112.22-0.49%660,047
Aug 19, 202512.5412.5412.3312.3712.28-1.12%650,866
Aug 18, 202512.3112.6112.3112.5112.421.38%729,753
Aug 15, 202512.5712.6212.3312.3412.25-1.28%750,542
Aug 14, 202512.1812.6312.1212.5012.412.04%1,772,263
Aug 13, 202512.3612.3612.1512.2512.17-0.08%994,138
Aug 12, 202512.0012.3012.0012.2612.182.17%839,083
Aug 11, 202512.0812.1111.9712.0011.92-0.66%4,400,466
Aug 8, 202512.0412.1911.9412.0812.000.50%1,034,233
Aug 7, 202512.1912.1911.8812.0211.94-1.23%845,942
Aug 6, 202512.0012.2511.9412.1712.090.83%1,071,860
Aug 5, 202512.4612.5712.0112.0711.99-3.59%1,702,057
Aug 4, 202512.3712.5712.2512.5212.431.21%683,753
Aug 1, 202512.0012.6611.8612.3712.282.66%1,472,286
Jul 31, 202512.2512.3311.9512.0511.97-1.79%1,627,798
Jul 30, 202512.1512.4912.0812.2712.181.07%1,248,410
Jul 29, 202512.2012.3312.0212.1412.06-0.49%1,226,312
Jul 28, 202512.2912.3111.9812.2012.12-0.57%1,377,558
Jul 25, 202512.2912.3112.1512.2712.18-0.41%1,012,722
Jul 24, 202512.6812.6812.2812.3212.23-2.14%1,032,934
Jul 23, 202512.4412.7012.3512.5912.502.44%885,384
Jul 22, 202512.0812.2911.9912.2912.200.33%676,460
Jul 21, 202512.4012.4012.0212.2512.17-0.89%1,424,909
Jul 18, 202512.5512.8112.2912.3612.272.32%1,575,902
Jul 17, 202511.9512.1611.8012.0812.001.09%1,036,424