Cytosorbents (CTSO) Options Chain & Prices $0.47 0.00 (-0.57%) Closing price 05/20/2026 04:00 PM EasternExtended Trading$0.46 -0.01 (-1.66%) As of 05/20/2026 07:41 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 Massive. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock CTSO Put and Call Options List 11/20/2026 8/21/2026 7/17/2026 6/18/2026 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 TMCI Options Data CVRX Options Data MBOT Options Data RCEL Options Data NNOX Options Data LAKE Options Data VANI Options Data INO Options Data STIM Options Data SKIN Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:CTSO) was last updated on 5/21/2026 by MarketBeat.com Staff. 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