Gentex (GNTX) Options Chain & Prices $28.51 +0.26 (+0.92%) Closing price 04:00 PM EasternExtended Trading$28.50 -0.01 (-0.04%) As of 04:52 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 3/20/2026 1/16/2026 12/19/2025 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$27.50$1.072Call1 - 1116(+0)32.96% (+7.55%)0.8903051End-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 ALSN Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:GNTX) was last updated on 9/16/2025 by MarketBeat.com Staff From Our PartnersWhy More Investors Are Using Family Trusts to Protect Their WealthFor many investors, a family trust can be an essential tool for protecting assets, avoiding probate, and ensur...SmartAsset | SponsoredCrypto Gets Official Government Backing—Here's the WinnerTrump Just Signed the GENIUS Act—One Coin is About to Explode We're at the BEGINNING of smart money really ...Crypto 101 Media | SponsoredIRS Wants Another Check on Sept 15th—What If You Could Keep It Instead?On September 15th, the IRS collects another round of quarterly tax payments—targeting self-employed profession...American Alternative | SponsoredClaim Your Share of $5.39 BILLION in AI Equity ChecksThe U.S. government just took advantage of Public Law 81-774 to crack down on AI companies... 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