CoStar Group (CSGP) Options Chain & Prices $87.55 -1.71 (-1.91%) As of 12:47 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Options Chain Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock CSGP Put and Call Options List 1/21/2028 1/15/2027 9/18/2026 6/18/2026 4/17/2026 3/20/2026 1/16/2026 11/21/2025 10/17/2025 9/19/2025 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 VolatilityDeltaTrades9/19/2025$75.00$0.000Put1 - 1439(+0)94.15% (-0.49%)-0.00019719/19/2025$75.00$14.351Call4 - 4155(+0)94.15% (-0.49%)119/19/2025$80.00$0.001Put15 - 141692(-1)69.84% (+1.99%)-0.00131689/19/2025$80.00$9.353Call1 - 1389(+0)69.84% (+1.99%)0.99893519/19/2025$85.00$0.014Put1 - - 3349(+0)45.37% (+4.40%)-0.01853419/19/2025$85.00$4.368Call103 - 403(+0)45.37% (+4.40%)0.98171749/19/2025$90.00$0.905Put1546148730(+5)27.15% (-9.08%)-0.701216139/19/2025$90.00$0.255Call35221928(-28)27.15% (-9.08%)0.312324159/19/2025$95.00$0.003Call82 - 1309(+0)43.95% (-14.78%)0.004464End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies SE Options EQIX Options EBAY Options VRSN Options AKAM Options OPEN Options SPSC Options YELP Options ZD Options CMPR Options Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:CSGP) was last updated on 9/19/2025 by MarketBeat.com Staff From Our PartnersHe Called Nvidia at $1.10. Now, He Says THIS Stock Will…The original Magnificent Seven returned 16,894%—turning $7K into $1.18 million. 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