Celldex Therapeutics (CLDX) Stock Chart & Stock Price History $20.98 -1.02 (-4.64%) Closing price 07/7/2025 04:00 PM EasternExtended Trading$20.99 +0.01 (+0.05%) As of 07/7/2025 07:26 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 Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Celldex Therapeutics Stock Price Performance The Celldex Therapeutics (CLDX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 42.30%, with a year-to-date return of -16.98%. In the past month, the stock has decreased 1.73%, reflecting recent market activity. As of the latest close, Celldex Therapeutics traded at $20.98 with a market cap of $1.39 billion and volume of 765,677 shares. Five years ago, the stock traded at $12.15, representing a 72.67% increase over that period. At the time, it had a market cap of $284.42 million and a volume of 613,390 shares. Receive CLDX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Celldex Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-4.53%1 Month Performance-1.73%3 Month Performance+38.66%Year-To-Date Performance-16.98%1 Year Performance-42.30%5 Year Performance+72.67% CLDX Stock Chart for Tuesday, July, 8, 2025 CLDX Chart by TradingView Celldex Therapeutics Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization07/07/2025$21.98$20.98-4.53%$21.92$20.78765,677 shs$1.39 billion07/04/2025$21.98$21.98$22.37$21.67978,039 shs$1.46 billion07/03/2025$22.11$21.98-0.61%$22.37$21.67978,039 shs$1.46 billion07/02/2025$21.21$22.11+4.24%$22.47$20.911.64 million shs$1.47 billion07/01/2025$20.35$21.21+4.23%$22.32$20.011.83 million shs$1.41 billion06/30/2025$20.29$20.35+0.30%$20.49$19.521.45 million shs$1.35 billion06/27/2025$21.17$20.29-4.16%$21.54$20.172.47 million shs$1.35 billion06/26/2025$21.46$21.17-1.35%$21.63$20.62746,033 shs$1.41 billion06/25/2025$21.65$21.46-0.88%$21.70$20.64600,257 shs$1.42 billion06/24/2025$20.39$21.65+6.18%$22.11$20.30891,177 shs$1.44 billion Get the Latest News and Ratings for CLDX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Celldex Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 06/23/2025$20.50$20.39-0.54%$21.22$20.30680,420 shs$1.35 billion06/20/2025$20.82$20.50-1.54%$21.26$20.101.56 million shs$1.36 billion06/19/2025$20.82$20.82$20.95$19.77724,877 shs$1.38 billion06/18/2025$20.06$20.82+3.79%$20.95$19.77724,877 shs$1.38 billion06/17/2025$20.34$20.06-1.38%$20.41$19.81581,038 shs$1.33 billion06/16/2025$21.26$20.34-4.33%$21.43$19.871.47 million shs$1.35 billion06/13/2025$20.35$21.26+4.47%$24.03$20.002.78 million shs$1.41 billion06/12/2025$20.42$20.35-0.34%$21.05$19.661.89 million shs$1.35 billion06/11/2025$20.92$20.42-2.39%$21.32$20.40904,286 shs$1.36 billion06/10/2025$20.71$20.92+1.01%$21.81$20.89992,491 shs$1.39 billion06/09/2025$21.35$20.71-3.00%$21.83$20.06851,199 shs$1.37 billion06/06/2025$19.53$21.35+9.32%$21.43$19.87852,592 shs$1.42 billion Related Companies Alkermes Stock Price Chart Ligand Pharmaceuticals Stock Price Chart BioCryst Pharmaceuticals Stock Price Chart Amicus Therapeutics Stock Price Chart Innoviva Stock Price Chart Dynavax Technologies Stock Price Chart MannKind Stock Price Chart OPKO Health Stock Price Chart Novavax Stock Price Chart Geron Stock Price Chart Receive CLDX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Celldex Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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