National Grid Transco (NGG) Options Chain & Prices $80.91 +0.50 (+0.62%) Closing price 08/7/2026 03:59 PM EasternExtended Trading$81.44 +0.52 (+0.65%) As of 08/7/2026 07:57 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 Massive. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsDividendFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock NGG Put and Call Options List 3/19/2027 12/18/2026 11/20/2026 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$0.241Call7 - 7394(+0)22.13% (+0.55%)0.13968128/21/2026$95.00$14.135Put1 - 10(+0)33.47% (+4.82%)-0.9980431End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Constellation Energy Options Data Enterprise Products Partners Options Data American Electric Power Options Data TC Energy Options Data Energy Transfer Options Data Vistra Options Data Xcel Energy Options Data Exelon Options Data Fortis Options Data Evergy Options Data Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NYSE:NGG) was last updated on 8/8/2026 by MarketBeat.com Staff. From Our PartnersThe cat is out the bagAlmost 80,000 tech jobs vanished in the first three months of 2026. 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