Knife River (KNF) Options Chain & Prices $80.60 -0.61 (-0.75%) Closing price 07/3/2025 03:30 PM EasternExtended Trading$80.56 -0.04 (-0.06%) As of 07/3/2025 04:57 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock KNF Put and Call Options List 2/20/2026 1/16/2026 11/21/2025 10/17/2025 8/15/2025 7/18/2025 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 VolatilityDeltaTrades7/18/2025$85.00$1.711Call1 - - 84(+0)50.69% (+5.97%)0.3311471End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Sociedad Quimica y Minera Options Data MP Materials Options Data HudBay Minerals Options Data NexGen Energy Options Data Centrus Energy Options Data TMC the metals Options Data Atlas Energy Solutions Options Data Nexa Resources Options Data Sigma Lithium Options Data Lithium Americas (Argentina) Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NYSE:KNF) was last updated on 7/5/2025 by MarketBeat.com Staff From Our PartnersTrump’s New Order Could Boost Social Security Benefits by 400%If you collect—or plan to collect—Social Security, you need to see this. 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