First Interstate BancSystem (FIBK) Options Chain & Prices $36.92 +0.04 (+0.11%) Closing price 09/11/2026 04:00 PM EasternExtended Trading$36.95 +0.03 (+0.08%) As of 09/11/2026 07:30 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 Massive. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsInsider TradesNews and TrendsOptions ChainOwnershipSEC FilingsShort Interest FIBK Put and Call Options List 3/19/2027 12/18/2026 10/16/2026 9/18/2026 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 VolatilityDeltaTradesEnd-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Cathay General Bancorp Options Fulton Financial Options Hancock Whitney Options Old National Bancorp Options United Bankshares Options Ameris Bancorp Options Associated Banc Options F.N.B. Options Webster Financial Options First Horizon Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:FIBK) was last updated on 9/11/2026 by MarketBeat.com Staff. From Our PartnersALERT: Drop these 5 stocks before the market opens tomorrow!The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings researc...Weiss Ratings | SponsoredThe $15 Gold Fund That Pays Up to $1,152/MonthGold is hitting record highs, but most investors are leaving income on the table. 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