Ferroglobe (GSM) Options Chain & Prices $4.90 -0.32 (-6.13%) Closing price 10/17/2025 04:00 PM EasternExtended Trading$4.92 +0.02 (+0.41%) As of 10/17/2025 07:59 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 ForecastsChartCompetitorsDividendEarningsHeadlinesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock GSM Put and Call Options List 1/21/2028 1/15/2027 12/18/2026 6/18/2026 3/20/2026 2/20/2026 1/16/2026 12/19/2025 11/21/2025 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 VolatilityDeltaTradesEnd-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies Materion Options Chain Compass Minerals International Options Chain SunCoke Energy Options Chain Southern Copper Options Chain Freeport-McMoRan Options Chain TMC the metals Options Chain Perpetua Resources Options Chain Fortuna Mining Options Chain Alpha Metallurgical Resources Options Chain McEwen Options Chain Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:GSM) was last updated on 10/20/2025 by MarketBeat.com Staff From Our PartnersThis Crypto Is Set to Explode in JanuaryCurious about crypto but still stuck scrolling endless threads? People who get in early aren’t just lucky—they...Crypto 101 Media | SponsoredAn $8 trillion-dollar discovery 17,000 ft underwater A strange rock pulled from the ocean floor may hold the key to a $16 trillion resource boom. 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