Quantum-Si (QSI) Options Chain & Prices $1.33 +0.07 (+5.56%) Closing price 09/16/2025 04:00 PM EasternExtended Trading$1.32 -0.01 (-1.05%) As of 08:38 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 Polygon.io. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock QSI Put and Call Options List 1/15/2027 4/17/2026 1/16/2026 10/31/2025 10/24/2025 10/17/2025 10/10/2025 10/3/2025 9/26/2025 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$1.50$0.028Call60535571(+55)169.19% (-12.25%)0.25143914End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Allient Options Aehr Test Systems Options Transcat Options Cytek Biosciences Options Standard BioTools Options Quanterix Options 908 Devices Options Seer Options inTEST Options Nautilus Biotechnology Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:QSI) was last updated on 9/17/2025 by MarketBeat.com Staff From Our PartnersHe Called Nvidia at $1.10. Now, He Says THIS Stock Will…The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. 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