Protagonist Therapeutics (PTGX) Options Chain & Prices $76.94 -2.23 (-2.82%) Closing price 10/14/2025 04:00 PM EasternExtended Trading$77.08 +0.14 (+0.18%) As of 10/14/2025 07:54 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 7/17/2026 4/17/2026 3/20/2026 1/16/2026 11/21/2025 10/17/2025 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 VolatilityDeltaTrades10/17/2025$65.00$0.224Put311135(+70)124.82% (-6.82%)-0.058473310/17/2025$65.00$12.473Call32 - 137(+0)124.82% (-6.82%)0.943902210/17/2025$70.00$0.548Put1 - 194(+8)104.81% (-15.25%)-0.142072110/17/2025$75.00$1.567Put1815383(+28)91.40% (-10.24%)-0.35052710/17/2025$75.00$3.811Call50 - 50224(+174)91.40% (-10.24%)0.655529510/17/2025$80.00$4.266Put23203101(+14)92.09% (-5.05%)-0.654702310/17/2025$80.00$1.481Call723339148(+71)92.09% (-5.05%)0.3561571710/17/2025$85.00$8.445Put1010 - 397(+281)103.77% (+1.75%)-0.842321110/17/2025$85.00$0.622Call131 - 154(+86)103.77% (+1.36%)0.169623410/17/2025$90.00$0.313Call34 - 34852(+595)118.19% (+6.42%)0.0875881End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Genmab A/S Options Data Summit Therapeutics Options Data Ascendis Pharma A/S Options Data Dr. Reddy's Laboratories Options Data Viatris Options Data Roivant Sciences Options Data BridgeBio Pharma Options Data Moderna Options Data Qiagen Options Data Elanco Animal Health Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:PTGX) was last updated on 10/15/2025 by MarketBeat.com Staff From Our PartnersURGENT: The Market's 3 Red Flags Are FlashingHere’s the uncomfortable truth: The smartest investors in the world are already preparing for a crash befor...StockEarnings | SponsoredINVESTOR ALERT: Tiny “$3 AI Wonder Stock” on the Verge of Blasting OffRight now, we’re witnessing a monumental shift in the world.Traders Agency | SponsoredCapital Gains Tax Strategies for SeniorsCapital gains taxes can take a bite out of your retirement income—unless you have a smart strategy. 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