Castle Biosciences (CSTL) Options Chain & Prices $16.07 -0.36 (-2.19%) Closing price 07/25/2025 04:00 PM EasternExtended Trading$16.50 +0.43 (+2.68%) As of 07/25/2025 06:34 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 CSTL Put and Call Options List 1/16/2026 12/19/2025 10/17/2025 9/19/2025 8/15/2025 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 VolatilityDeltaTrades8/15/2025$17.50$0.503Call2 - 21(+0)63.93% (-3.83%)0.3364792End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies PGNY Options Chain VCYT Options Chain PACS Options Chain LFST Options Chain ARDT Options Chain TDOC Options Chain VRDN Options Chain GRAL Options Chain AHCO Options Chain PNTG Options Chain Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:CSTL) was last updated on 7/26/2025 by MarketBeat.com Staff From Our PartnersWhy AMZN, GOOG, MSFT might destroy NVDAInvesting Legend Hints the End May be Near for These 3 Iconic Stocks Futurist Eric Fry say Amazon, Tesla an...InvestorPlace | SponsoredCritical AI announcement set to ignite AI 2.0 I just put together an urgent new presentation that you need to see right away. In short: I believe we are...Timothy Sykes | SponsoredA new rule goes live in July — and the banks are quietly cashing inA little-known regulation quietly goes into effect this July. 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