Protagonist Therapeutics (PTGX) Options Chain & Prices $104.20 +0.33 (+0.31%) As of 01:18 PM Eastern This is a fair market value price provided by Massive. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock PTGX Put and Call Options List 10/16/2026 7/17/2026 6/18/2026 5/15/2026 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 ExpiresStrike PriceClose PricePut/CallVolumeVolume AskVolume BidOpen InterestImplied VolatilityDeltaTrades5/15/2026$100.00$4.520Call53 - - 69(+0)65.15% (+16.10%)0.79159115/15/2026$110.00$0.226Call1 - 126(+0)59.77% (+4.30%)0.1060511End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies BioNTech Options Data Insmed Options Data Viatris Options Data Roivant Sciences Options Data Moderna Options Data Genmab A/S Options Data Ascendis Pharma A/S Options Data Summit Therapeutics Options Data BridgeBio Pharma 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 5/14/2026 by MarketBeat.com Staff. 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