Keros Therapeutics (KROS) Options Chain & Prices $15.55 -0.11 (-0.70%) Closing price 09/15/2025 04:00 PM EasternExtended Trading$15.54 -0.01 (-0.03%) As of 09/15/2025 05:18 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 EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock KROS Put and Call Options List 12/18/2026 3/20/2026 1/16/2026 12/19/2025 11/21/2025 10/17/2025 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$12.50$0.046Put55 - 7842(-3)129.46% (+20.66%)-0.05010319/19/2025$15.00$0.671Call111103881(-5)55.01% (+5.02%)0.7412492End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies CGON Options Chain MLYS Options Chain CPRX Options Chain IBRX Options Chain TVTX Options Chain OCUL Options Chain DNLI Options Chain IDYA Options Chain BEAM Options Chain TARS Options Chain Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:KROS) was last updated on 9/16/2025 by MarketBeat.com Staff From Our PartnersNew Biotech Backed by Proven Incubator Now Open to PublicA successful biotech incubator just opened its next chapter - and you're invited to their raise. This deal ...i2i Marketing Group, LLC | SponsoredEveryone’s watching Nvidia right now. Here’s why I’m excited.So, unless you’ve been living under a rock, you probably saw the news… Nvidia just signed a $7 BILLION deal...Timothy Sykes | SponsoredThis Coin Could Explode, and it’s Hiding in Plain Sight!The #1 coin with skyrocket potential right now... 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