TransAlta Corporation (TAC) Stock Chart
TAC price chart
Daily prices adjusted for splits and dividends. 1D and 5D show delayed intraday prices. Markers: E earnings, D dividend, S split.
Technical snapshot
Key levels & statistics
TAC performance vs the market
Total return, dividends reinvestedTAC monthly returns
TAC historical prices
TAC dividends & splits
About the TAC chart
TransAlta (TAC) closed at $12.85 on October 16, 2026, up 2.8% so far this year. The stock is trading 0.1% above its 200-day moving average of $12.84, which technical analysts usually read as a long-term uptrend. Over the past year TAC returned −23.1% including dividends, behind the S&P 500 (+16.8%).
This page charts the full trading history of TransAlta Corporation stock. Daily prices come from EODHD and are adjusted for stock splits and dividends, so returns over long periods are comparable. For the latest quote, company profile, earnings and news, see the TAC stock overview.
TAC chart FAQ
What is TransAlta's all-time high stock price?
The highest closing price for TAC was $37.06 on July 21, 2008 (adjusted for stock splits). As of the October 16, 2026 close it traded 65.3% below that level.
What is the 52-week range of TAC stock?
Over the 52 weeks to October 16, 2026, TAC traded between an intraday low of $11.38 on March 23, 2026 and an intraday high of $17.88 on October 29, 2025.
Is TAC above its 200-day moving average?
Yes. On October 16, 2026 TAC closed at $12.85, 0.1% above its 200-day simple moving average of $12.84. The 50-day average was $12.30.
How has TAC stock performed compared with the S&P 500?
Including reinvested dividends, TAC returned −23.1% over the past year, compared with +16.8% for the S&P 500 (SPY). Over five years the figures were +24.6% and +83.0%.
Does TransAlta pay a dividend?
Yes. TransAlta paid $0.20 per share in dividends over the past 12 months (4 payments), a yield of about 1.53% at the latest close. The most recent dividend of $0.05 per share had an ex-dividend date of September 1, 2026.
How do I read the TAC chart?
Pick a time range above the chart and choose candlesticks, a line or an area chart. Moving averages, Bollinger Bands, volume, RSI and MACD can be switched on with the indicator buttons, and "Compare" plots TAC against the S&P 500, its sector or a competitor as a percentage change. Chart prices are adjusted for splits and dividends.