MetaCap

TransAlta Stock Price History

NYSE: TACUtilitiesElectric Utilities: CentralUSD

13.13+0.24 (+1.86%)

At close: Oct 9, 4:00 PM ET · Delayed 15 min

TAC price history at a glance

The price history for TransAlta (TAC) on this page begins on July 30, 2001, when the stock closed at $16.39; it most recently closed at $13.13 on October 5, 2026. The highest price in this record is $37.84, reached on July 21, 2008; the latest close is 65.3% below that peak. Across the 24 complete calendar years in the table, TAC finished higher in 12 and lower in 12. Its best year was 2024 (+70.8%) and its worst was 2015 (-61.2%).

Over roughly 25 years the share price changed -19.9%, a -0.9% compound annual price return (excluding dividends). In the last 12 months alone, TAC has lost 15.8%. Prices are split-adjusted closing prices; daily open, high, low, close and volume for the past year are listed below.

Summary generated from market data by MetaCap's automated system. Methodology

Key price levels

High since 2001
$37.84
Date of high
Jul 21, 2008
Low since 2001
$2.54
Date of low
Jan 18, 2016
Last close
$13.13

TAC returns

1 week

+6.32%

1 month

+6.32%

3 months

-7.67%

6 months

-6.21%

Year to date

+3.88%

1 year

-15.83%

3 years

+59.15%

5 years

+16.71%

TAC price return, excluding dividends.

TAC annual returns

Calendar-year price returns
YearYear-end closeReturn
202613.13+0.84%
202513.02-8.25%
202414.19+70.76%
20238.31-7.36%
20228.97-19.33%
202111.12+46.51%
20207.59+8.58%
20196.99+58.50%
20184.41-25.88%
20175.95+8.18%
20165.50+55.37%
20153.54-61.18%
20149.12-28.13%
201312.69-18.86%
201215.64-24.15%
201120.62-2.78%
201021.21-4.76%
200922.27+7.69%
200820.68-38.53%
200733.64+47.74%
200622.77+4.31%
200521.83+44.47%
200415.11+4.64%
200314.44+27.79%
200211.30-16.97%
2001*13.61-16.96%

* Partial year: the record begins after the start of 2001; return measured from the first available close.

2026 return is year to date.

TAC daily prices (past year)

Daily open, high, low, close and volume
DateOpenHighLowCloseChange
12.9313.1612.8013.13+1.86%
12.7812.9812.7212.89+0.08%
13.0013.1912.8512.88-1.83%
12.5713.2312.5613.12+5.21%
12.3912.5412.1712.47+0.97%
12.2712.4412.1812.35+1.06%
12.0812.3612.0812.22+1.16%
11.8712.1411.7412.08+2.46%
11.7911.8711.6011.79-0.17%
11.4911.9811.4211.81+2.43%
11.7811.8911.4711.53-2.04%
11.8211.8711.6811.77-1.51%
11.8612.0511.8111.95+0.17%
12.2612.3611.8911.93-3.09%
12.3512.4112.2212.31+0.74%
12.3012.3312.1312.22-0.57%
12.1012.3112.0712.29+2.85%
11.6312.1211.5911.95+3.91%
11.8211.9611.4711.50-2.46%
11.9811.9811.7211.79-2.40%
12.2712.2812.0412.08-0.82%
12.2412.3112.0612.18-1.38%
12.3412.5012.2512.35-0.48%
12.0512.5211.9812.41+3.76%
11.7912.0811.7511.96+1.27%
11.9111.9711.7211.81-0.25%
11.7411.9011.6611.84+0.59%
12.0912.1211.6911.77-2.65%
12.2112.2812.0112.09-0.82%
12.5412.5612.1012.19-2.48%
12.6512.7212.3712.50-1.11%
12.1812.7512.1812.64+3.18%
12.1612.2912.1012.25+1.24%
12.1612.1611.8712.10-0.90%
12.6712.7512.1912.21-3.02%
12.2912.8412.2912.59+1.70%
12.5712.6112.2912.38-0.72%
12.6212.6812.4412.47-1.89%
12.8212.8412.6612.71-0.63%
12.6012.8812.6012.79+1.43%
12.3912.6312.3812.61+1.69%
12.5012.6712.3012.40-0.64%
12.3012.5412.3012.48+1.79%
12.3912.4712.2212.26-1.37%
12.5212.7112.4112.43-0.40%
12.6712.7312.4112.48-1.50%
12.7912.9212.6612.67-0.71%
12.4812.8512.3112.76+3.40%
12.2012.5212.1012.34-1.28%
12.8813.0012.4812.50-2.80%
12.7812.9212.5612.86+3.46%
12.8212.8412.3312.43-2.43%
13.3613.3612.6712.74-5.28%
13.7313.7313.3013.45-1.97%
14.0514.0713.6913.72-2.76%
14.0414.1813.9114.11+0.50%
14.0014.1213.6514.04+0.36%
13.9114.0213.6913.99+1.97%
13.3713.7513.2713.72+3.47%
13.1413.4513.0513.26+0.15%
13.5413.6413.1513.24-2.79%
13.8914.0413.4813.62-2.23%
13.9314.1913.8713.930.00%
14.2314.2613.8713.93-2.04%
14.4914.5114.2214.22-2.07%
14.5814.8514.3014.52+0.28%
14.0014.5513.9714.48+2.99%
13.5414.0913.5314.06+3.31%
13.7213.9713.5513.61+1.04%
13.7313.8413.3113.47-0.96%
13.6713.8613.5213.60-1.66%
13.4813.9413.4813.83+1.54%
13.8513.8813.4713.62-1.30%
13.6613.8813.6613.80-0.07%
13.8913.9813.5913.81+0.88%
13.5913.9313.5113.690.00%
13.5613.7313.5213.69-1.16%
13.7914.0613.7013.85+0.80%
13.7713.8513.5113.74+1.33%
13.4713.8813.4613.56+0.37%
13.5513.6813.4513.51-0.44%
13.4013.6613.3213.57+1.34%
13.3613.6513.2713.39+0.15%
12.4413.4812.4013.37+8.00%
12.7812.7812.1712.38-0.64%
12.5112.8312.3412.46-0.40%
12.6912.8212.4112.51-1.34%
12.9513.1312.4712.68-2.16%
13.6113.6212.7012.96-10.37%
14.4514.7714.3114.46+0.84%
14.2214.6114.1714.34+1.27%
14.0214.3613.9214.16-0.42%
14.0114.2513.8314.22+1.35%
13.8414.1013.7814.03+1.52%
14.0814.0813.7613.82-2.12%
13.7414.2313.7114.12+4.05%
13.5613.8213.4213.57+0.52%
12.8913.5012.8813.50+4.01%
12.9613.0612.8112.98+0.93%
12.5913.0812.4812.86+3.21%
12.7612.8512.3412.46-2.50%
12.7212.9312.6212.78-1.31%
12.7413.0712.6012.95+1.73%
12.5912.8312.5012.73+1.19%
12.6212.6912.2912.58-1.72%
12.7712.9712.7112.80+0.31%
12.7812.8812.5212.760.00%
12.8812.8812.3912.76-0.23%
12.7113.1912.4012.79+1.51%
12.6912.7312.4412.60-0.16%
12.4812.6212.3612.62+1.12%
12.4912.6412.4012.480.00%
12.0912.5612.0812.48+3.91%
12.6912.7811.9412.01-5.51%
12.4912.8612.4512.71+0.95%
12.6312.7012.4112.59+0.80%
12.1212.5511.9912.49+3.39%
12.3312.5411.9212.08-1.63%
12.3112.3812.0212.28+0.99%
12.4512.7012.1312.16-3.95%
12.6512.7812.5412.660.00%
13.5013.5012.6512.66-6.22%
13.6613.6813.3613.50-1.32%
13.4613.9013.3213.68+1.41%
13.5613.7913.4313.49-1.39%
13.9413.9913.6613.68-2.29%
13.8814.1213.8714.00+1.23%
13.8014.2413.7513.830.00%
13.9314.0613.5713.83+2.14%
13.5813.7913.3913.54-0.73%
13.4113.7213.4113.64+1.19%
13.0513.4913.0313.48+1.43%
13.2013.4713.1513.29+1.45%
12.9013.2512.8113.10+3.07%
13.0513.0512.6112.71-1.63%
12.9413.0812.8012.92-0.15%
12.9813.2112.8712.94-0.92%
13.0013.3012.9413.06+2.35%
12.3712.9312.0612.76+6.07%
11.8612.1011.3812.03+2.12%
12.2812.4111.6911.78-5.08%
12.3012.5612.1612.41-0.24%
12.6112.6512.4212.44-0.88%
12.4712.6612.4012.55+0.64%
12.5912.6712.3012.47+0.24%
12.8213.0412.4012.44-2.51%
12.7013.0712.5912.76-0.78%
12.7512.9512.5912.86+1.02%
12.7012.9612.6412.73+0.63%
12.6012.6912.1112.65-0.55%
13.0513.1712.6112.72-4.29%
13.1413.3112.9913.29+0.30%
13.2713.6313.1513.25-0.15%
13.4713.6312.9513.27-3.91%
13.5514.2013.2613.81+0.51%
13.3214.0113.2613.74+5.45%
12.8613.0312.5913.03+1.32%
13.0913.1212.8512.86-1.38%
12.9613.1312.8713.04+1.09%
13.4813.5012.7612.90-4.44%
13.4713.5513.2613.50+0.15%
13.4513.6013.2713.48+0.67%
13.5013.5613.3013.39-0.30%
13.5313.6313.2113.43-1.10%
13.3113.6713.2913.58+1.80%
13.5713.6812.9913.34-1.48%
13.4413.5413.0413.54+2.19%
13.6013.6013.0213.25-2.65%
13.3513.6213.2213.61+2.79%
12.5713.2512.5513.24+7.12%
12.4812.6112.3112.36-1.83%
13.1313.2212.5412.59-3.67%
12.9513.2412.8213.07+2.43%
12.7212.9912.6312.76-0.16%
13.3113.5712.6812.78-5.68%
13.9813.9913.3713.55-2.80%
13.8613.9813.6913.94+0.94%
12.8913.8712.8813.81+7.47%
12.7913.2212.7512.85+1.18%
12.5012.8212.3812.70+1.84%
12.5212.9312.4712.47+0.89%
13.1013.3712.0812.36-4.33%
12.4012.9212.3412.92+2.87%
12.3512.5612.0212.56+1.70%
12.3112.4211.9612.35+2.07%
12.1512.2011.9712.10-0.58%
12.2112.2712.0912.17-0.08%
12.3512.4112.1812.18-1.54%
12.5512.6312.3512.37+1.39%
12.2812.4012.1012.20-1.05%
12.7312.8212.2812.33-3.07%
12.9612.9612.4712.72-1.17%
13.0313.1312.5912.87-1.15%
12.7913.0412.7113.02+3.01%
12.6712.8012.6212.64-0.16%
12.7212.8112.6412.66-0.47%
12.7612.8612.6312.72-0.93%
12.7312.9312.6412.84+0.86%
12.6812.7412.5112.73+0.16%
12.4612.7312.4512.71+2.01%
12.6312.6312.3412.46-0.56%
12.5812.9212.4912.53-0.32%
13.0113.1012.5012.57-1.87%
13.6513.6812.7312.81-5.67%
13.5213.7613.5213.58-0.80%
14.0714.0713.5413.69-1.16%
14.5414.5413.8413.85-3.95%
14.4014.5514.0714.42-0.28%
14.7314.8614.1514.46-1.03%
14.2515.2414.2514.61+3.54%
14.1614.1713.8814.11+0.36%
14.2814.3813.9714.06-1.40%
14.0114.4213.9214.26+1.86%
14.0714.1513.9114.00-0.43%
14.3814.4414.0314.06-1.26%
14.2914.3814.1214.24-2.13%
14.1714.5914.0414.55+3.49%
14.1414.2113.8914.06+0.43%
14.0814.1713.6814.00-1.34%
13.8514.2313.7514.19+3.58%
13.8113.9513.2913.70-1.01%
14.7614.9213.7813.84-4.42%
14.5414.6814.3714.48+0.42%
14.1714.6514.1114.42+1.26%
14.6514.8814.0114.24-2.33%
14.2114.9314.1114.58+1.18%
15.1615.1614.1514.41-5.57%
15.6015.6515.2515.26-1.74%
15.7615.9115.4715.53-1.52%
15.8215.9815.4915.77+1.68%
14.5615.8013.9215.51+3.82%
13.8115.1513.5214.94-11.44%
16.8717.0616.6716.87+1.14%
17.2317.4816.5516.68-5.33%
17.6317.8117.4817.62-0.28%
17.6717.8217.4517.67+0.17%
17.5817.8217.4917.64-0.51%
17.2617.8817.0417.73+3.38%
17.2017.3216.7817.15+0.88%
17.4217.4916.7617.00-1.56%
17.5217.5217.0317.27+0.23%
16.7517.3716.7017.23+2.99%
16.7017.2116.2416.73+0.12%
16.8016.9216.4516.71-0.89%
16.7217.1016.5916.86+1.75%
16.6316.9016.1816.57-2.30%
17.1517.1516.5816.96-0.47%
17.0517.3516.9317.04+1.85%
16.8716.9216.1716.73-2.16%
16.3317.6916.2117.10+9.69%
15.6716.2015.5515.59-0.06%
15.6015.7915.4115.60—

Prices are adjusted for stock splits. See adjusted closing price for how dividends and splits affect history, and the TAC chart for longer ranges.