Siga Technologies (SIGA) Options Chain & Prices $8.78 -0.09 (-1.01%) Closing price 09/19/2025 04:00 PM EasternExtended Trading$8.79 +0.01 (+0.11%) As of 09/19/2025 07:33 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 11/21/2025 10/17/2025 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 VolatilityDeltaTrades10/17/2025$8.00$1.019Call15 - 3100(+0)44.44% (-8.61%)0.772973410/17/2025$9.00$0.430Call13 - - 310(+0)51.48% (+5.37%)0.479095410/17/2025$10.00$0.164Call64233(+4)54.43% (-6.98%)0.230934End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies IDYA Options OCUL Options MLYS Options IBRX Options DNLI Options BEAM Options CNTA Options AGIO Options HRMY Options ANIP Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:SIGA) was last updated on 9/20/2025 by MarketBeat.com Staff From Our PartnersCrypto Gets Official Government Backing—Here's the WinnerTrump Just Signed the GENIUS Act—One Coin is About to Explode We're at the BEGINNING of smart money really ...Crypto 101 Media | SponsoredNvidia CEO Makes First Ever Tesla AnnouncementWhile headlines focus on Tesla’s car sales, tech analyst Jeff Brown says the real story is Tesla’s role in a $...Brownstone Research | SponsoredStunning new initiative unfolding in the White House?what I just learned about what’s unfolding in the White House is truly stunning… And you need to see it for...Paradigm Press | SponsoredIRS Wants Another Check on Sept 15th—What If You Could Keep It Instead?On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed profession...American Alternative | SponsoredClaim Your Share of $5.39 BILLION in AI Equity ChecksThe U.S. government just took advantage of Public Law 81-774 to crack down on AI companies... 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