Syndax Pharmaceuticals (SNDX) Options Chain & Prices $9.19 -0.29 (-3.06%) Closing price 04:00 PM EasternExtended Trading$9.58 +0.39 (+4.24%) As of 07:57 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock SNDX Put and Call Options List 1/16/2026 10/17/2025 8/15/2025 7/18/2025 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 VolatilityDeltaTrades7/18/2025$7.50$0.115Put10 - 100(+0)76.11% (-6.48%)-0.11946687/18/2025$10.00$1.124Put3 - - 6044(+155)71.90% (-1.37%)-0.6289217/18/2025$10.00$0.440Call2626 - 59(+0)71.90% (-1.37%)0.4000842End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies PTGX Options SRRK Options KYMR Options VKTX Options CRNX Options CPRX Options IBRX Options MLTX Options IMVT Options MIRM Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:SNDX) was last updated on 6/23/2025 by MarketBeat.com Staff From Our PartnersElon’s BIGGEST warning yet?Tesla's About to Prove Everyone Wrong... Again Back in 2018, when Jeff Brown told everyone to buy Tesla… ...Brownstone Research | SponsoredTrump’s Exec Order #14154 could be a “Millionaire-Maker”Former Presidential Advisor, Jim Rickards, says Trump could “rewire our economy and hand millions of Americans...Paradigm Press | Sponsored3..2..1.. AI 2.0 ignition (don’t sleep on this)I just put together an urgent new presentation that you need to see right away. 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