Gentex (GNTX) Options Chain & Prices $26.01 -0.18 (-0.69%) Closing price 10/17/2025 04:00 PM EasternExtended Trading$26.58 +0.57 (+2.19%) As of 10/17/2025 06:07 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock GNTX Put and Call Options List 12/18/2026 6/18/2026 3/20/2026 1/16/2026 12/19/2025 11/21/2025 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 VolatilityDeltaTrades11/21/2025$25.00$0.544Put4316(+0)34.29% (-1.71%)-0.298938211/21/2025$25.00$1.914Call1 - - 0(+0)34.29% (-1.71%)0.71747111/21/2025$27.50$0.500Call48188367898(+64)28.72% (-1.26%)0.34183911End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies VC Options Data ADNT Options Data ALV Options Data APTV Options Data BC Options Data BWA Options Data ITT Options Data LEA Options Data MGA Options Data MOD Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:GNTX) was last updated on 10/19/2025 by MarketBeat.com Staff From Our PartnersINVESTOR 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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