Protagonist Therapeutics (PTGX) Options Chain & Prices $57.74 -0.62 (-1.06%) Closing price 04:00 PM EasternExtended Trading$57.73 -0.01 (-0.02%) As of 04:41 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 Polygon.io. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock PTGX Put and Call Options List 4/17/2026 3/20/2026 1/16/2026 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$50.00$0.175Put11 - 4(+1)63.80% (+9.93%)-0.06419219/19/2025$55.00$0.761Put75142(+40)54.31% (+10.43%)-0.23862369/19/2025$60.00$1.318Call4342341991116(-1)50.89% (+7.52%)0.39766922End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Ascendis Pharma A/S Options Data Viatris Options Data Dr. Reddy's Laboratories Options Data Qiagen Options Data BridgeBio Pharma Options Data Moderna Options Data Verona Pharma PLC American Depositary Share Options Data Elanco Animal Health Options Data Roivant Sciences Options Data Revolution Medicines Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:PTGX) was last updated on 9/10/2025 by MarketBeat.com Staff From Our PartnersWall Street legend: “Put $1,000 in this AI stock”A massive money shift is underway in the AI market. 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