Spero Therapeutics (SPRO) Options Chain & Prices $1.44 -0.14 (-8.86%) Closing price 07/20/2026 04:00 PM EasternExtended Trading$1.42 -0.01 (-1.04%) As of 05:35 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 EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock SPRO Put and Call Options List 1/15/2027 10/16/2026 9/18/2026 8/21/2026 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 VolatilityDeltaTradesEnd-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies DiaMedica Therapeutics Options Data Abeona Therapeutics Options Data Rocket Pharmaceuticals Options Data Century Therapeutics Options Data Larimar Therapeutics Options Data Enanta Pharmaceuticals Options Data Autolus Therapeutics Options Data Adherex Technologies Options Data Akebia Therapeutics Options Data Atea Pharmaceuticals Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:SPRO) was last updated on 7/21/2026 by MarketBeat.com Staff. From Our PartnersLouis Navellier: My #1 AI stock for 2026 (name & ticker inside)Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top...InvestorPlace | SponsoredTrump Takes Emergency Action - Plus Elon Musk's New VentureElon Musk has quietly launched a new venture - one that has nothing to do with rockets, EVs, or Neuralink. 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