TransAlta (TAC) Options Chain & Prices $12.98 +0.12 (+0.93%) As of 10:02 AM Eastern This is a fair market value price provided by Massive. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock TAC Put and Call Options List 12/18/2026 11/20/2026 9/18/2026 8/21/2026 7/17/2026 6/18/2026 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 ExpiresStrike PriceClose PricePut/CallVolumeVolume AskVolume BidOpen InterestImplied VolatilityDeltaTrades6/18/2026$11.00$1.988Call50 - 50172(+0)52.70% (-1.93%)0.87285816/18/2026$12.00$0.332Put109 - 136(+10)47.24% (+0.70%)-0.28608736/18/2026$13.00$0.744Put11 - 20(-7)44.80% (+0.95%)-0.5125116/18/2026$13.00$0.584Call19271102751(-2)44.80% (+0.95%)0.488196/18/2026$14.00$0.261Call511822319(+1)45.20% (-0.97%)0.274819126/18/2026$15.00$0.116Call5 - 5192(+0)47.21% (-3.15%)0.1414371End-of-day options data provided by Trade Alert and Intrinio. 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