NYSE · TAC

TransAlta Corporation (TAC)

$13.01−0.84%
Close Nov 6, 2026 · split-adjusted
Nov 4, 2026$13.34▼ 20.02% in range
Nov 4, 2025Low $11.50 · High $16.87Nov 4, 2026
What changed · written from our data
As of Nov 6, 2026

TransAlta closed at $13.01 on Nov 6, down 0.84%, 22.9% below its 52-week closing high. Volume of 1.1M shares was 0.76× its 20-day average (below normal).

Split-adjusted performance: +0.9% over one month, +2.0% over six months, -22.9% over one year.

Short interest was 15.1M shares at the Oct 15 settlement, up 6.1% from the prior report (5.3% of float, 11.0 days to cover).

Market cap$4.12B316.3M shares
Revenue · quarter——
Diluted EPS——
P/E · TTM—
Net margin—
Dividend yield2.15%$0.07 last paid
52-week range11.50 – 16.87−22.9% from high
Volume1.1M0.76× 20-day avg
Volatility · 60d35.1%Annualised
Short % of float5.3%11.0 days to cover
Net cash-$3.01BCash $149.4M
Next earnings—Not scheduled
Split-adjusted performance
1W +0.2%1M +0.9%3M +6.1%6M +2.0%YTD +2.9%1Y −22.9%3Y +73.5%5Y +16.0%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within industry

Not enough peers to rank

6-month momentum—
Revenue growth—
Net margin—
Value (low P/E)—
Size—

Short interest

Details →
Shares short15.1M+6.1% vs prior
Days to cover11.0Settled Oct 15
% of float5.3%
Short vol. 10d57.9%of daily volume

Quick answers

What does TransAlta do?
TransAlta Corp is an independent power producer based in Alberta, Canada. The company operates a diverse electrical power generation assets in Canada, the United States, and Western Australia.
What is TAC's market cap?
$4.12B, based on the Nov 6 close of $13.01.
Does TransAlta pay a dividend?
Yes. The latest regular dividend was $0.07 per share (ex-date Sep 1), an annualised yield of 2.15%.
How much of TAC is sold short?
15.1M shares, 5.3% of float, as of Oct 15, 2026.

About TransAlta

TransAlta Corp is an independent power producer based in Alberta, Canada. The company operates a diverse electrical power generation assets in Canada, the United States, and Western Australia. The company has reportable segments namely, Hydro, Wind & Solar, Gas, Energy Transition segment and Corporate Segment. The company generates the majority of its revenue from the gas segment.

1,350 employeesListed Oct 17, 1975transalta.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology