Altimmune (ALT) Options Chain & Prices $3.09 +0.05 (+1.64%) Closing price 04:00 PM EasternExtended Trading$3.08 -0.01 (-0.49%) As of 05:38 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 6/26/2026 6/18/2026 6/12/2026 6/5/2026 5/29/2026 5/22/2026 5/15/2026 5/8/2026 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 VolatilityDeltaTrades5/8/2026$2.50$0.549Call2 - - 46(-3)152.52% (-9.07%)0.99433125/8/2026$3.00$0.030Put624822(+0)112.17% (+21.64%)-0.34643835/8/2026$3.00$0.079Call100 - 1001295(-34)79.88% (-10.66%)0.65460515/8/2026$3.50$0.456Put1 - - 133(+0)130.36% (+46.56%)-0.98324515/8/2026$3.50$0.002Call1134131(+0)130.36% (+46.56%)0.0251346End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies HROW Options PGEN Options ARDX Options IOVA Options OLMA Options WVE Options CRVS Options ABCL Options GHRS Options CMPS Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:ALT) was last updated on 5/8/2026 by MarketBeat.com Staff. From Our PartnersOne executive order. The biggest wealth transfer of your lifetime.On August 15, 1971, Nixon interrupted prime-time television and ended the gold standard in 15 minutes - no deb...Reagan Gold Group | SponsoredIran's New Leader Just Said Something That Should Terrify Every AmericanIran's Supreme Leader has declared the Strait of Hormuz closed as leverage against the U.S. - and with 40% of ...American Alternative | SponsoredThe Death of the Nasdaq?The Death of the Nasdaq? 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