TransAlta Corporation (TAC:NYSE) closed at $13.21 on November 13, 2026, down 0.53% on the day. The stock trades 13.3% below its 52-week high of $15.24 and 16.1% above its 52-week low of $11.38. Over the past year, it lost 9.4%. TransAlta Corporation is part of the Public Utilities sector (Electric Utilities: Central).
In 252 trading sessions since November 13, 2025, TAC closed higher on 119 days (47%). Its best day was June 11, 2026 (+8.00%) and its worst was June 4, 2026 (-10.37%). The stock moved 10% or more in a single session 1 time.
TransAlta Corporation operates as non-regulated electricity generation and energy marketing company in Canada, the United States, and Western Australia. The company operates through eight segments: Canadian Coal, U.S. Coal, Canadian Gas, Australian Gas, Wind and Solar, Hydro, Energy Marketing, and Corporate. It generates and markets electricity through various generation facilities. The company has an aggregate net ownership interest of approximately 8,716 megawatts of generating capacity. TransAlta Corporation was founded in 1909 and is headquartered in Calgary, Canada.
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Based on end-of-day data. For information only, not investment advice.