Siga Technologies (SIGA) Options Chain & Prices $8.42 -0.07 (-0.82%) Closing price 09/5/2025 04:00 PM EasternExtended Trading$8.44 +0.03 (+0.30%) As of 09/5/2025 06:55 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 AnalysisChartCompetitorsDividendEarningsFinancialsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock SIGA Put and Call Options List 1/15/2027 3/20/2026 1/16/2026 12/19/2025 10/17/2025 9/19/2025 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 VolatilityDeltaTrades9/19/2025$7.40$1.068Call1 - - 72(+0)53.06% (+0.17%)0.90153919/19/2025$8.00$0.125Put1 - 126(+8)45.22% (+0.14%)-0.26433219/19/2025$8.40$0.296Call168854(+2)42.81% (+0.17%)0.532421129/19/2025$9.00$0.096Call15 - 15204(+5)43.81% (+0.14%)0.23698129/19/2025$10.00$1.587Put6 - 66(+0)50.43% (+0.01%)-0.9551791End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies CPRX Options KNSA Options TARS Options CNTA Options DNLI Options AGIO Options IDYA Options IBRX Options HRMY Options RXRX Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:SIGA) was last updated on 9/7/2025 by MarketBeat.com Staff From Our PartnersWhy Trump’s “Smart Dollar” could rewrite the rulesMUST SEE: Donald Trump's Radical Overhaul of the U.S. Dollar Congress just approved President Trump's lates...Stansberry Research | SponsoredYour Bank Account Is No Longer SafeWhat If Washington Declared That: YOUR Money ISN'T Actually Yours? Sounds insane, but that's exactly what ...Priority Gold | SponsoredTrump's Law S.1582: $21T Dollar Revolution ComingDo you have money in any of these banks? Chase. Bank of America. Citigroup. Wells Fargo. U.S. Bancorp. 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