Stock listing

NYSE:TAC TransAlta Corporation Stock

US listing (NYSE) of TransAlta Corporation · home listing TSX:TA

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Share price · NYSE:TAC

$12.87 USD +0.65 (+5.3%)

Close on Oct 27, 2026

Day range
$12.31 – $12.90 USDOct 27, 2026
Volume
1.20M sharesOct 27, 2026
Market cap
$4.07B USDAt the close on Oct 27, 2026 · price × 316.3M shares outstanding
TransAlta Corporation logo

Prices by listing

ListingLastChangeVolumeOpenHighLowPrevious closePrice from
TSX:TA · Home$18.12 CAD-0.33 (-1.8%)1,295,799$18.22$18.33$17.63$18.45Close on Oct 30, 2026
NYSE:TAC$12.87 USD+0.65 (+5.3%)1,203,207$12.37$12.90$12.31$12.22Close on Oct 27, 2026
TSX:TA.PR.E$20.53 CAD-0.44 (-2.1%)100$20.53$20.53$20.53$20.97Close on Oct 23, 2026
TSX:TA.PR.H$25.55 CAD-0.10 (-0.4%)200$25.65$25.65$25.55$25.65Close on Oct 27, 2026
TSX:TA.PR.D$21.08 CAD-0.08 (-0.4%)13,700$21.30$21.31$21.08$21.16Close on Oct 27, 2026
TSX:TA.PR.F$25.10 CAD0.00 (0.0%)4,550$25.10$25.10$25.10$25.10Close on Oct 27, 2026
TSX:TA.PR.J$26.15 CAD+0.05 (+0.2%)1,340$26.10$26.15$26.10$26.10Close on Oct 27, 2026
Frankfurt:TZ1€11.38 EUR+0.455 (+4.2%)—€11.73€11.73€11.38€10.92Close on Oct 30, 2026
Munich:TZ1€11.04 EUR-0.17 (-1.5%)—€11.03€11.04€11.03€11.21Close on Oct 27, 2026
Ticker
NYSE:TAC
Asset type
Stock
Sector
Utilities
Industry
Power producers
Exchange
NYSE
Currency
USD

What changed lately

Calls

Upcoming

  • TransAlta (TSX:TA) Q3 2026 Earnings Call

    Tue, Nov 03, 2026 · 11:00 AM ET

    Register

Replays

  • TransAlta (TSX:TA) Q2 2026 Earnings Call

    Fri, Jul 31, 2026 · 11:00 AM ET

    Watch Transcript

  • TransAlta (TSX:TA) Q1 2026 Earnings Call

    Wed, May 06, 2026 · 11:00 AM ET

    Watch Transcript

  • TransAlta (TSX:TA) Q4 2025 Earnings Call

    Fri, Feb 27, 2026 · 11:00 AM ET

    Watch Transcript

Latest news

TransAlta Declares Dividends

Oct 27, 2026

TransAlta Advances Portfolio Rotation Through Sale of Minority Interest in Oklahoma Wind Portfolio for US$305 Million and Closes Acquisition of Colorado Gas Assets for US$1 Billion

Oct 22, 2026

TransAlta to Host Third Quarter 2026 Results Conference Call

Oct 5, 2026

TransAlta Reports Strong Second Quarter Results and Reaffirms Guidance

Jul 31, 2026

TransAlta to Host Second Quarter 2026 Results Conference Call

Jun 30, 2026

TransAlta Announces Closing of $350 Million Bought Deal Offering of Common Shares

Jun 9, 2026

Morningstar DBRS Comments on TransAlta Corporation's Announced Acquisition of Contracted U.S. Natural Gas-Fired Generation Assets

Jun 4, 2026

TransAlta Announces the Acquisition of Two Fully-Contracted Gas Assets in Colorado and Concurrent $350 Million Bought Deal Offering of Common Shares

Jun 3, 2026

TransAlta Reports First Quarter Results and Reaffirms Annual Guidance

May 6, 2026

TransAlta Corporation Announces Results of the 2026 Annual and Special Meeting of Shareholders and Election of all Directors

Apr 30, 2026

All TransAlta Corporation news

Decks

TransAlta Corporation on 6ix

Sector
Utilities
Industry
Power producers
News releases
26 in the last 12 months · 211 in all · newest Oct 27, 2026 · oldest 2009
Calls
22 calls with a replay · 22 with a transcript · latest Jul 31, 2026
Decks
165 decks · latest September 2026

Where TransAlta Corporation is listed

ListingExchangeCountryCurrency
TSX:TA · Home listingTSXCanadaCAD
NYSE:TAC · This pageNYSEUnited StatesUSD
Cboe Canada:TACboe CanadaCanadaCAD
TSX:TA.PR.ETSXCanadaCAD
gettex:TZ1gettexGermanyEUR
TSX:TA.PR.HTSXCanadaCAD
TSX:TA.PR.DTSXCanadaCAD
TSX:TA.PR.FTSXCanadaCAD
TSX:TA.PR.JTSXCanadaCAD
Tradegate:TZ1TradegateGermanyEUR
TSX:TA.PR.GTSXCanadaCAD
LS Exchange:885412LS ExchangeGermanyEUR
Cboe Canada:TA.PR.ECboe CanadaCanadaCAD
Cboe Canada:TA.PR.DCboe CanadaCanadaCAD
OTC:TSLTFOTCUnited StatesUSD
Lang & Schwarz:885412Lang & SchwarzGermanyEUR
Cboe Canada:TA.PR.JCboe CanadaCanadaCAD
BOATS:TACBOATSUnited StatesUSD
Cboe Canada:TA.PR.HCboe CanadaCanadaCAD
Frankfurt:TZ1FrankfurtGermanyEUR
Cboe Canada:TA.PR.FCboe CanadaCanadaCAD
OTC:TRNTFOTCUnited StatesUSD
Hamburg:TZ1HamburgGermanyEUR
Munich:TZ1MunichGermanyEUR
Dusseldorf:TZ1DusseldorfGermanyEUR
Cboe Canada:TA.PR.GCboe CanadaCanadaCAD
Stuttgart:TZ1StuttgartGermanyEUR

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