Fuel Tech (FTEK) Options Chain & Prices $3.02 -0.26 (-7.93%) Closing price 04:00 PM EasternExtended Trading$3.04 +0.02 (+0.83%) As of 04:10 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock FTEK Put and Call Options List 9/18/2026 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$3.00$0.352Call242221410(-9)158.68% (-26.30%)0.7552425End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies PPIH Options Data GENC Options Data ASYS Options Data WPRT Options Data EKSO Options Data TPIC Options Data ASML Options Data JCI Options Data BKR Options Data BWXT Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:FTEK) was last updated on 9/17/2025 by MarketBeat.com Staff From Our PartnersHe Called Nvidia at $1.10. Now, He Says THIS Stock Will…The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. Now, the man who called Nvi...The Oxford Club | 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 | SponsoredStrange crypto pattern discovered by 40-person research teamSomething unusual is happening inside a 40-person crypto research firm. 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