Altimmune (ALT) Options Chain & Prices $4.56 +0.16 (+3.52%) Closing price 03:59 PM EasternExtended Trading$4.51 -0.04 (-0.99%) As of 05:28 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock ALT Put and Call Options List 1/15/2027 1/16/2026 9/19/2025 6/20/2025 5/30/2025 5/23/2025 5/16/2025 5/9/2025 5/2/2025 4/25/2025 4/17/2025 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 VolatilityDeltaTrades4/17/2025$4.00$0.002Put2 - - 63(+2)97.19% (-7.53%)-0.02589124/17/2025$4.00$0.419Call1107533356(-74)97.19% (-7.53%)0.97400984/17/2025$4.50$0.126Put1052579220(+41)82.29% (-1.29%)-0.65731174/17/2025$4.50$0.043Call45 - 45817(+156)82.29% (-1.29%)0.3435218End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies SPRY Options VERA Options MESO Options IMCR Options TVTX Options EWTX Options OCUL Options CALT Options AMPH Options ADPT Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:ALT) was last updated on 4/17/2025 by MarketBeat.com Staff From Our Partners[Action Required] Claim Your FREE IRS Loophole GuideThis shouldn't surprise anyone who's been paying attention, but... Pres. Trump may be about to unleash the ...Colonial Metals | SponsoredGet Your Bank Account “Fed Invasion” Ready with THESE 4 Simple StepsStarting as soon as a few months from now, the United States government will make a sweeping change to bank ac...Weiss Ratings | SponsoredAltucher: Turn $900 into $108,000 in just 12 months?We are entering the final Trump Bump of our lives. 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