Celldex Therapeutics (CLDX) Options Chain & Prices $24.61 -1.31 (-5.05%) Closing price 09/19/2025 04:00 PM EasternExtended Trading$24.78 +0.17 (+0.69%) As of 09/19/2025 07:38 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock CLDX Put and Call Options List 5/15/2026 2/20/2026 1/16/2026 12/19/2025 11/21/2025 10/17/2025 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 VolatilityDeltaTrades10/17/2025$23.00$1.034Put30255145(+0)69.55% (-5.93%)-0.30999610/17/2025$24.00$1.362Put89276223(+0)66.28% (-4.13%)-0.390297810/17/2025$26.00$1.509Call44 - 12(+1)70.28% (+1.29%)0.464082210/17/2025$27.00$1.306Call6 - 60(+0)75.63% (+2.95%)0.401838110/17/2025$28.00$1.171Call11 - 1(+0)81.61% (+3.76%)0.3541661End-of-day options data provided by Trade Alert and Intrinio. Related Companies and Tools Related Companies ALKS Options Chain LGND Options Chain FOLD Options Chain BCRX Options Chain MNKD Options Chain INVA Options Chain NVAX Options Chain DVAX Options Chain OPK Options Chain GERN Options Chain Options Chain Tools Short Interest TrackerShort Interest IncreasesShort Interest DecreasesUnusual Call VolumeUnusual Put Volume This page (NASDAQ:CLDX) was last updated on 9/21/2025 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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