TransAlta Corporation (TAC)
NYSE: TAC · Real-Time Price · USD
13.74
+0.18 (1.33%)
At close: Jun 18, 2026, 4:00 PM EDT
13.90
+0.16 (1.16%)
After-hours: Jun 18, 2026, 7:09 PM EDT

TransAlta Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 18, 202613.7713.8513.5113.7413.741.33%1,659,027
Jun 17, 202613.4713.8813.4613.5613.560.37%1,593,341
Jun 16, 202613.5513.6813.4513.5113.51-0.44%1,025,130
Jun 15, 202613.4013.6613.3213.5713.571.34%1,016,087
Jun 12, 202613.3613.6513.2713.3913.390.15%1,371,381
Jun 11, 202612.4413.4812.4013.3713.378.00%2,013,712
Jun 10, 202612.7812.7812.1712.3812.38-0.64%1,359,989
Jun 9, 202612.5112.8312.3412.4612.46-0.40%1,739,542
Jun 8, 202612.6912.8212.4112.5112.51-1.34%1,166,483
Jun 5, 202612.9513.1312.4712.6812.68-2.16%2,035,094
Jun 4, 202613.6113.6212.7012.9612.96-10.37%4,177,945
Jun 3, 202614.4514.7714.3114.4614.460.84%1,408,749
Jun 2, 202614.2214.6114.1714.3414.341.27%1,360,458
Jun 1, 202614.0214.3613.9214.1614.16-0.07%931,373
May 29, 202614.0114.2513.8314.2214.171.35%992,601
May 28, 202613.8414.1013.7814.0313.981.52%709,878
May 27, 202614.0814.0813.7613.8213.77-2.12%741,235
May 26, 202613.7414.2313.7114.1214.074.05%964,971
May 22, 202613.5613.8213.4213.5713.520.52%4,604,931
May 21, 202612.8913.5012.8813.5013.454.01%950,916
May 20, 202612.9613.0612.8112.9812.930.93%1,110,649
May 19, 202612.5913.0812.4812.8612.813.21%1,217,614
May 18, 202612.7612.8512.3412.4612.42-2.50%545,055
May 15, 202612.7212.9312.6212.7812.73-1.31%949,952
May 14, 202612.7413.0712.6012.9512.901.73%617,479
May 13, 202612.5912.8312.5012.7312.681.19%659,980
May 12, 202612.6212.6912.2912.5812.54-1.72%1,089,794
May 11, 202612.7712.9712.7112.8012.750.31%1,321,657
May 8, 202612.7812.8812.5212.7612.71-1,448,354
May 7, 202612.8812.8812.3912.7612.71-0.23%1,362,140
May 6, 202612.7113.1912.4012.7912.741.51%2,791,111
May 5, 202612.6912.7312.4412.6012.56-0.16%923,171
May 4, 202612.4812.6212.3612.6212.571.12%1,299,743
May 1, 202612.4912.6412.4012.4812.44-1,229,151
Apr 30, 202612.0912.5612.0812.4812.443.91%1,968,974
Apr 29, 202612.6912.7811.9412.0111.97-5.51%1,510,888
Apr 28, 202612.4912.8612.4512.7112.660.95%1,482,376
Apr 27, 202612.6312.7012.4112.5912.550.80%1,558,644
Apr 24, 202612.1212.5511.9912.4912.453.39%1,231,000
Apr 23, 202612.3312.5411.9212.0812.04-1.63%890,472
Apr 22, 202612.3112.3812.0212.2812.240.99%806,280
Apr 21, 202612.4512.7012.1312.1612.12-3.95%1,066,457
Apr 20, 202612.6512.7812.5412.6612.61-1,207,087
Apr 17, 202613.5013.5012.6512.6612.61-6.22%1,829,442
Apr 16, 202613.6613.6813.3613.5013.45-1.32%607,463
Apr 15, 202613.4613.9013.3213.6813.631.41%1,475,084
Apr 14, 202613.5613.7913.4313.4913.44-1.39%758,380
Apr 13, 202613.9413.9913.6613.6813.63-2.29%581,196
Apr 10, 202613.8814.1213.8714.0013.951.23%555,453
Apr 9, 202613.8014.2413.7513.8313.78-982,122