Altimmune (ALT) Options Chain & Prices $2.70 0.00 (0.00%) Closing price 06/18/2026 04:00 PM EasternExtended Trading$2.72 +0.02 (+0.59%) As of 06/18/2026 07:57 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 Massive. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock ALT Put and Call Options List 1/21/2028 1/15/2027 12/18/2026 9/18/2026 8/21/2026 7/31/2026 7/24/2026 7/17/2026 7/10/2026 7/2/2026 6/26/2026 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 VolatilityDeltaTrades6/26/2026$2.50$0.251Call2 - - 48(+12)85.31% (+3.83%)0.74316526/26/2026$3.00$0.343Put21 - 47(+0)83.93% (-10.14%)-0.78583826/26/2026$3.00$0.038Call5552 - 345(+50)85.70% (-8.39%)0.2135379End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies IMNM Options AUPH Options BHC Options MLYS Options KOD Options TRVI Options NTLA Options IOVA Options ZLAB Options STOK Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:ALT) was last updated on 6/19/2026 by MarketBeat.com Staff. From Our PartnersThe 1934 playbookIn 1934, a legal government maneuver transferred billions in wealth overnight. 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