TransAlta (TAC) Options Chain & Prices $8.95 +0.08 (+0.90%) Closing price 05/22/2025 03:59 PM EasternExtended Trading$8.95 0.00 (0.00%) As of 05/22/2025 04:43 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock TAC Put and Call Options List 1/16/2026 12/19/2025 11/21/2025 9/19/2025 7/18/2025 6/20/2025 Options Date Put and Call Options Put Options Call Options Options Type All In The Money Out of The Money Moneyness With Volume Without Volume All Volume Strike Price Min Strike Price Max Export to Excel ExpiresStrike PriceClose PricePut/CallVolumeVolume AskVolume BidOpen InterestImplied VolatilityDeltaTrades6/20/2025$10.00$0.142Call55 - 413(+0)48.32% (+2.57%)0.2199541End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Kinetik Options Chain Brookfield Renewable Partners Options Chain Clearway Energy Options Chain Oklo Options Chain TXNM Energy Options Chain Enel Chile Options Chain Companhia Paranaense de Energia - COPEL Options Chain Transportadora de Gas del Sur Options Chain Brookfield Infrastructure Options Chain Pampa Energía Options Chain Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NYSE:TAC) was last updated on 5/23/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredWhite House to reset Social Security?Elon Musk's parting DOGE gift looks set to shock America... 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