Altimmune (ALT) Options Chain & Prices $4.18 0.00 (0.00%) Closing price 04:00 PM EasternExtended Trading$4.18 +0.00 (+0.12%) As of 07:56 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock ALT Put and Call Options List 1/15/2027 1/16/2026 12/19/2025 9/19/2025 8/29/2025 8/22/2025 8/15/2025 8/8/2025 8/1/2025 7/25/2025 7/18/2025 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 VolatilityDeltaTrades7/18/2025$3.50$0.009Put126 - 1011(+2)121.06% (-31.31%)-0.04620757/18/2025$3.50$0.700Call651469(-3)121.06% (-31.31%)0.95474447/18/2025$4.00$0.036Put66422846(+54)70.45% (-25.19%)-0.22607797/18/2025$4.00$0.227Call6821142166(-117)70.45% (-25.19%)0.776094157/18/2025$4.50$0.341Put115105704(+0)82.45% (-16.63%)-0.823958157/18/2025$4.50$0.030Call177111652303(+256)82.45% (-16.63%)0.183475357/18/2025$5.00$0.822Put49859433(+2)116.78% (-19.38%)-0.951012257/18/2025$5.00$0.010Call112 - 2490(+25)116.78% (-19.39%)0.0551083End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies JANX Options BHVN Options ANIP Options MESO Options EWTX Options TVTX Options CVAC Options PAHC Options ABCL Options CALT Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:ALT) was last updated on 7/16/2025 by MarketBeat.com Staff From Our PartnersElon’s Secret Social Security BombshellTo All Americans Born Before April 16th, 1963: Did Trump Just Give The Green Light To Radically RE-DO Social S...Banyan Hill Publishing | SponsoredMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | Sponsored3..2..1.. AI 2.0 ignition (don’t sleep on this)I just put together an urgent new presentation that you need to see right away. 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