Celldex Therapeutics (CLDX) Stock Chart & Stock Price History $19.85 -0.64 (-3.12%) As of 10:08 AM Eastern This is a fair market value 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 47.31%, with a year-to-date return of -21.45%. In the past month, the stock has increased 4.80%, reflecting recent market activity. As of the latest close, Celldex Therapeutics traded at $20.49 with a market cap of $1.36 billion and volume of 872,917 shares. Five years ago, the stock traded at $2.62, representing a 657.63% increase over that period. At the time, it had a market cap of $48.11 million and a volume of 852,984 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-2.93%1 Month Performance+4.80%3 Month Performance-11.62%Year-To-Date Performance-21.45%1 Year Performance-47.31%5 Year Performance+657.63% CLDX Stock Chart for Wednesday, May, 21, 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 Capitalization05/20/2025$20.91$20.49-2.01%$21.08$20.15872,917 shs$1.36 billion05/19/2025$20.45$20.91+2.25%$21.13$19.93614,375 shs$1.39 billion05/16/2025$20.10$20.45+1.74%$20.69$19.84705,961 shs$1.36 billion05/15/2025$18.94$20.10+6.12%$20.15$18.78615,543 shs$1.33 billion05/14/2025$19.62$18.94-3.47%$19.90$18.47699,650 shs$1.26 billion05/13/2025$20.18$19.62-2.78%$20.31$19.43701,475 shs$1.30 billion05/12/2025$18.33$20.18+10.09%$20.42$19.001.01 million shs$1.34 billion05/09/2025$19.52$18.33-6.10%$20.08$18.201.00 million shs$1.22 billion05/08/2025$18.91$19.52+3.23%$19.94$18.00642,569 shs$1.30 billion05/07/2025$18.40$18.91+2.77%$19.24$17.85707,745 shs$1.26 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. 05/06/2025$20.29$18.40-9.31%$20.41$17.91895,791 shs$1.22 billion05/05/2025$20.66$20.29-1.79%$20.76$20.06770,173 shs$1.35 billion05/02/2025$20.71$20.66-0.24%$21.23$20.64598,699 shs$1.37 billion05/01/2025$20.83$20.71-0.58%$20.86$20.03621,747 shs$1.37 billion04/30/2025$20.93$20.83-0.48%$21.16$20.42684,578 shs$1.38 billion04/29/2025$21.36$20.93-2.01%$21.58$20.63708,688 shs$1.39 billion04/28/2025$19.57$21.36+9.15%$21.46$20.08999,717 shs$1.42 billion04/25/2025$19.58$19.57-0.05%$19.65$18.91377,561 shs$1.30 billion04/24/2025$19.43$19.58+0.77%$19.68$19.21452,683 shs$1.30 billion04/23/2025$19.39$19.43+0.21%$20.36$19.31583,964 shs$1.29 billion04/22/2025$18.94$19.39+2.38%$19.41$18.87579,581 shs$1.29 billion04/21/2025$18.30$18.94+3.50%$19.30$17.99609,350 shs$1.26 billion Related Companies Ionis Pharmaceuticals Stock Price Chart Alkermes Stock Price Chart BioCryst Pharmaceuticals Stock Price Chart Ligand Pharmaceuticals Stock Price Chart Amicus Therapeutics Stock Price Chart MannKind Stock Price Chart Dynavax Technologies Stock Price Chart Innoviva Stock Price Chart Novavax Stock Price Chart OPKO Health 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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