TransAlta - 24 Year Stock Price History | TAC

The latest closing stock price for TransAlta as of July 29, 2025 is 12.14.

  • An investor who bought $1,000 worth of TransAlta stock at the IPO in 2001 would have $1,211 today, roughly 1 times their original investment - a 3.36% compound annual growth rate over 24 years.
  • The all-time high TransAlta stock closing price was 18.77 on July 21, 2008.
  • The TransAlta 52-week high stock price is 14.64, which is 20.6% above the current share price.
  • The TransAlta 52-week low stock price is 7.40, which is 39% below the current share price.
  • The average TransAlta stock price for the last 52 weeks is 10.45.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.

TransAlta - 24 Year Stock Price History | TAC

  • An investor who bought $1,000 worth of TransAlta stock at the IPO in 2001 would have $1,211 today, roughly 1 times their original investment - a 3.36% compound annual growth rate over 24 years.
  • The all-time high TransAlta stock closing price was 18.77 on July 21, 2008.
  • The TransAlta 52-week high stock price is 14.64, which is 20.6% above the current share price.
  • The TransAlta 52-week low stock price is 7.40, which is 39% below the current share price.
  • The average TransAlta stock price for the last 52 weeks is 10.45.
For more information on how our historical price data is adjusted see the Stock Price Adjustment Guide.