Southwest Gas (SWX) Options Chain & Prices $89.50 -0.80 (-0.89%) Closing price 07/31/2026 03:59 PM EasternExtended Trading$89.45 -0.05 (-0.05%) As of 07/31/2026 07:34 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 ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock SWX Put and Call Options List 1/15/2027 10/16/2026 9/18/2026 8/21/2026 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 VolatilityDeltaTrades8/21/2026$85.00$5.023Call1 - 10(+0)25.18% (-4.23%)0.8280741End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies NewJersey Resources Options Data Spire Options Data UGI Options Data National Fuel Gas Options Data Chesapeake Utilities Options Data Northwest Natural Gas Options Data ONEOK Options Data Atmos Energy Options Data ONE Gas Options Data MDU Resources Group Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NYSE:SWX) was last updated on 8/2/2026 by MarketBeat.com Staff. From Our PartnersTrump’s $250 Bill – See ImmediatelyFormer Goldman Sachs VP Dr. David Eifrig is warning that July 28 could trigger the biggest wealth reset in mod...Stansberry Research | SponsoredIran War Shock: What I Was Told In That Private MeetingYou’re Being LIED To About The Iran War Forget EVERYTHING you’ve heard about the Iran war. 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