Spero Therapeutics (SPRO) Options Chain & Prices $2.28 +0.12 (+5.56%) Closing price 04:00 PM EasternExtended Trading$2.28 +0.01 (+0.22%) As of 07:46 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 4/17/2026 1/16/2026 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$2.00$0.265Call21201102(+0)123.96% (-5.37%)0.686808210/17/2025$2.50$0.396Put2 - 21258(+0)118.04% (-26.91%)-0.73381110/17/2025$2.50$0.061Call1311 - 1555(+36)118.04% (-26.89%)0.262953End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Solid Biosciences Options Data ADC Therapeutics Options Data Upexi Options Data Autolus Therapeutics Options Data Astria Therapeutics Options Data Evolus Options Data Larimar Therapeutics Options Data AC Immune Options Data 4D Molecular Therapeutics Options Data Kamada Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:SPRO) was last updated on 10/8/2025 by MarketBeat.com Staff From Our PartnersTesla’s $30 trillion pivotCircle Nov 6 – huge Tesla news? Tesla could be about to change forever. 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