Altimmune (ALT) Options Chain & Prices $2.86 -0.11 (-3.70%) Closing price 09/30/2026 04:00 PM EasternExtended Trading$2.90 +0.04 (+1.40%) As of 05:04 AM 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 EventsFinancialsInsider TradesNews and TrendsOptions ChainOwnershipSEC FilingsShort Interest ALT Put and Call Options List 1/19/2029 1/21/2028 3/19/2027 1/15/2027 12/18/2026 11/20/2026 11/6/2026 10/30/2026 10/23/2026 10/16/2026 10/9/2026 10/2/2026 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 VolatilityDeltaTrades10/2/2026$2.50$0.369Call2 - - 26(+2)101.01% (-6.07%)0.967603210/2/2026$3.00$0.144Put2020 - 47(-14)59.09% (-5.55%)-0.84689110/2/2026$3.00$0.010Call13912011167(+28)59.09% (-5.55%)0.15660715End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies VERA Options VRDN Options BCRX Options AUPH Options ADMA Options VCEL Options KOD Options NUVB Options RXRX Options SRPT Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:ALT) was last updated on 9/30/2026 by MarketBeat.com Staff. From Our PartnersALERT: Drop these 5 stocks before the market opens tomorrow!The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings researc...Weiss Ratings | SponsoredTrump's New DollarPorter Stansberry says President Trump has signed an executive order initiating what he calls a full U.S. doll...Porter & Company | SponsoredSmall Colorado Company (Backed by Sam Altman) Could Save U.S. Power GridA small Colorado company has secured rights to technology that could prevent the U.S. public power grid from c...Altimetry | SponsoredReady to give options a try? 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