Gossamer Bio (GOSS) Options Chain & Prices $2.34 +0.17 (+7.83%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$2.30 -0.04 (-1.71%) As of 08/22/2025 07:40 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 EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock GOSS Put and Call Options List 12/18/2026 3/20/2026 2/20/2026 1/16/2026 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$2.00$0.131Put1 - 148(+0)91.84% (+3.44%)-0.29701119/19/2025$2.00$0.366Call6926221036(+106)91.84% (+3.44%)0.77902713End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Dyne Therapeutics Options Chain Beam Therapeutics Options Chain Apogee Therapeutics Options Chain Biohaven Options Chain Twist Bioscience Options Chain Travere Therapeutics Options Chain Immunocore Options Chain Aurinia Pharmaceuticals Options Chain WAVE Life Sciences Options Chain Janux Therapeutics Options Chain Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:GOSS) was last updated on 8/23/2025 by MarketBeat.com Staff From Our PartnersMarket Panic: Trump Just Dropped a Bomb on Your Stockstock Market Panic: Trump Just Dropped a Bomb on Your Stocks The market is in freefall—and Trump's new tarif...American Alternative | SponsoredBONUS GUIDE - Ben Stein Prepares For the Next Financial CrisisWith inflation high, debt soaring, and global tensions rising, a financial storm may be brewing. 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