TAC logo

TransAlta Corporation (TAC) Market Cap

Market Cap:

$3.80B-$228.46M(-5.67%)
December 17, 2025

Summary

  • As of today, TAC market cap is $3.80 billion, with a fall of -$228.46 million (-5.67%) during the most recent trading session on December 17, 2025.
  • Over the past year, TAC market cap has dropped by -$476.78 million (-11.15%).
  • TAC market cap is now -49.00% below its all-time high of $7.45 billion.

Performance

TAC Market Cap Chart

Add series to chart
Add series to chart(max: 6)
company, ETF, index, featured screener or watchlist
series name
Suggested series

Highlights

Range

Related metrics

Market Cap Formula

Market Cap = Price ✕ Shares Outstanding

TAC Market Cap Trends

PeriodPeriodMarket CapMarket CapPricePriceShares OutstandingShares OutstandingEnterprise ValueEnterprise Value
1D1 Day-5.7%-5.7%0.0%-3.3%
1M1 Month-10.0%-10.0%--5.9%
3M3 Months-2.4%-2.5%--3.3%
6M6 Months+13.5%+13.4%-+6.4%
YTDYTD-9.7%-9.5%--4.6%
1Y1 Year-11.2%-10.6%-0.6%-3.5%
5Y5 Years+94.7%+79.9%+8.2%+58.8%

TAC Market Cap Highs & Lows

PeriodPeriodHighHighCurrent vs Highvs HighLowLowCurrent vs Lowvs Low
1M1-Month$4B-12.3%$4Bat low
3M3-Month$5B-27.8%$4Bat low
6M6-Month$5B-27.8%$3B+23.0%
1Y1-Year$5B-27.8%$2B+57.0%
3Y3-Year$5B-27.8%$2B+106.3%
5Y5-Year$5B-27.8%$2B+106.3%
All-TimeAll-Time$7B-49.0%$739M+414.6%

TAC Market Cap History

DateValue
2025
$4B(-9.7%)
2024
$4B(+65.0%)
2023
$3B(+6.0%)
2022
$2B(-20.2%)
2021
$3B(+46.9%)
2020
$2B(+3.3%)
2019
$2B(+69.2%)
2018
$1B(-31.5%)
2017
$2B(+8.2%)
2016
$2B(+57.5%)
2015
$1B(-59.7%)
2014
$2B(-26.7%)
DateValue
2013
$3B(-12.4%)
2012
$4B(-15.8%)
2011
$5B(-1.3%)
2010
$5B(-3.9%)
2009
$5B(+23.0%)
2008
$4B(-41.3%)
2007
$7B(+46.3%)
2006
$5B(+6.3%)
2005
$4B(+47.9%)
2004
$3B(+8.2%)
2003
$3B(+46.6%)
2002
$2B(-20.0%)
2001
$2B

FAQ

  • What is TransAlta Corporation market cap?
  • What is the all-time high market cap for TransAlta Corporation?
  • What is TAC market cap year-to-date change?
  • What is TransAlta Corporation market cap year-on-year change?

What is TransAlta Corporation market cap?

The current market cap of TAC is $3.80B

What is the all-time high market cap for TransAlta Corporation?

TransAlta Corporation all-time high market cap is $7.45B

What is TAC market cap year-to-date change?

TransAlta Corporation market cap has changed by -$408.90M (-9.71%) since the beginning of the year

What is TransAlta Corporation market cap year-on-year change?

Over the past year, TAC market cap has changed by -$476.78M (-11.15%)
On this page