Spero Therapeutics (SPRO) Options Chain & Prices $2.48 +0.02 (+0.61%) Closing price 03:59 PM EasternExtended Trading$2.48 0.00 (0.00%) As of 04:04 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 EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock SPRO Put and Call Options List 1/16/2026 10/17/2025 9/19/2025 8/15/2025 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$2.50$0.116Put1 - 11338(+25)146.36% (+18.51%)-0.50688717/18/2025$2.50$0.103Call10621603117(-78)146.36% (+18.51%)0.5086467End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Autolus Therapeutics Options Data Stoke Therapeutics Options Data Urogen Pharma Options Data Phathom Pharmaceuticals Options Data Relay Therapeutics Options Data Arbutus Biopharma Options Data Tango Therapeutics Options Data Dianthus Therapeutics Options Data MeiraGTx Options Data Xencor Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:SPRO) was last updated on 7/17/2025 by MarketBeat.com Staff From Our PartnersINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredThis Signal Only Flashes Once Every 4 Years – And It Just TriggeredThis same signal has appeared twice before in the past 8 years — both times, it kicked off major moves in cryp...Crypto Swap Profits | SponsoredGoogle did what!?!?A new technology has sparked a modern-day gold rush in Silicon Valley. 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