TransAlta Corporation (TAC)
NYSE: TAC · Real-Time Price · USD
17.27
+0.04 (0.23%)
At close: Oct 24, 2025, 4:00 PM EDT
17.31
+0.04 (0.23%)
After-hours: Oct 24, 2025, 7:58 PM EDT

TransAlta Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 24, 202517.5217.5217.0317.2717.270.23%1,544,769
Oct 23, 202516.7517.3716.7017.2317.232.99%2,107,393
Oct 22, 202516.7017.2116.2416.7316.730.12%2,385,162
Oct 21, 202516.8016.9216.4516.7116.71-0.89%1,607,163
Oct 20, 202516.7217.1016.5916.8616.861.75%2,472,225
Oct 17, 202516.6316.9016.1816.5716.57-2.30%2,652,945
Oct 16, 202517.1517.1516.5816.9616.96-0.47%2,212,356
Oct 15, 202517.0517.3516.9317.0417.041.85%2,777,927
Oct 14, 202516.8716.9216.1716.7316.73-2.16%4,305,090
Oct 13, 202516.3317.6916.2117.1017.109.69%6,895,964
Oct 10, 202515.6716.2015.5515.5915.59-0.06%4,124,735
Oct 9, 202515.6015.7915.4115.6015.60-0.06%1,332,208
Oct 8, 202515.0715.7015.0515.6115.614.07%3,095,727
Oct 7, 202514.7115.0114.5815.0015.002.25%1,211,326
Oct 6, 202514.5014.8614.4714.6714.671.38%2,025,673
Oct 3, 202513.7714.9013.5214.4714.475.62%3,363,581
Oct 2, 202513.9013.9113.6613.7013.70-0.72%1,256,616
Oct 1, 202513.6913.9113.6413.8013.800.95%3,655,103
Sep 30, 202513.6113.7913.5813.6713.67-835,983
Sep 29, 202513.6613.7613.5613.6713.670.37%466,775
Sep 26, 202513.5313.6413.4513.6213.620.96%526,940
Sep 25, 202513.5013.5513.4013.4913.49-1.10%741,145
Sep 24, 202513.6813.7413.4613.6413.640.15%616,316
Sep 23, 202513.8313.8313.5913.6213.62-1.73%670,498
Sep 22, 202513.5113.9013.4713.8613.861.61%1,811,338
Sep 19, 202513.6813.8113.2613.6413.641.26%1,695,888
Sep 18, 202513.2813.5913.1813.4713.472.51%1,413,898
Sep 17, 202512.8813.2712.8313.1413.141.62%1,221,362
Sep 16, 202513.0013.0012.7712.9312.93-0.54%488,084
Sep 15, 202512.6413.0212.6413.0013.002.85%1,714,795
Sep 12, 202512.5612.6712.5312.6412.64-0.08%699,824
Sep 11, 202512.7112.8212.4512.6512.65-0.24%947,878
Sep 10, 202512.4712.7312.4412.6812.682.67%705,299
Sep 9, 202512.3012.5312.2512.3512.350.32%918,150
Sep 8, 202512.3212.3712.1612.3112.310.24%1,131,116
Sep 5, 202512.2312.2912.0412.2812.281.32%524,747
Sep 4, 202512.0612.1311.9412.1212.120.66%1,629,469
Sep 3, 202512.0612.1212.0112.0412.04-0.50%351,903
Sep 2, 202512.1112.2811.9512.1012.10-1.63%567,783
Aug 29, 202512.5212.5212.2212.3012.30-2.46%2,151,968
Aug 28, 202512.1312.6612.0812.6112.564.47%704,791
Aug 27, 202512.2012.2712.0212.0712.02-1.55%490,733
Aug 26, 202512.2312.2712.0512.2612.210.82%432,687
Aug 25, 202512.0712.2011.9712.1612.110.25%979,148
Aug 22, 202512.2612.3912.0812.1312.08-1.46%2,754,054
Aug 21, 202512.2812.5412.2812.3112.26-647,098
Aug 20, 202512.3212.4312.1412.3112.26-0.49%660,047
Aug 19, 202512.5412.5412.3312.3712.32-1.12%650,866
Aug 18, 202512.3112.6112.3112.5112.461.38%729,753
Aug 15, 202512.5712.6212.3312.3412.29-1.28%750,542