Jasper Therapeutics (JSPR) Stock Chart & Stock Price History $2.85 +0.22 (+8.37%) Closing price 08/12/2025 04:00 PM EasternExtended Trading$2.74 -0.11 (-3.86%) As of 08:00 AM 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Jasper Therapeutics Stock Price Performance The Jasper Therapeutics (JSPR) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 84.88%, with a year-to-date return of -86.67%. In the past month, the stock has decreased 18.80%, reflecting recent market activity. As of the latest close, Jasper Therapeutics traded at $2.85 with a market cap of $42.81 million and volume of 222,123 shares. Receive JSPR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Jasper Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+16.33%1 Month Performance-18.80%3 Month Performance-40.87%Year-To-Date Performance-86.67%1 Year Performance-84.88% JSPR Stock Chart for Wednesday, August, 13, 2025 JSPR Chart by TradingView Jasper 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 Capitalization08/12/2025$2.63$2.85+8.37%$2.87$2.60222,123 shs$42.81 million08/11/2025$2.45$2.63+7.35%$2.74$2.52284,964 shs$39.51 million08/08/2025$2.73$2.45-10.26%$2.84$2.45588,800 shs$36.80 million08/07/2025$2.90$2.73-5.86%$2.97$2.69380,863 shs$41.01 million08/06/2025$2.98$2.90-2.68%$2.98$2.86160,925 shs$43.56 million08/05/2025$2.97$2.98+0.34%$3.04$2.91187,806 shs$44.77 million08/04/2025$2.88$2.97+3.13%$2.98$2.81190,855 shs$44.61 million08/01/2025$2.90$2.88-0.69%$2.93$2.81268,314 shs$43.26 million07/31/2025$2.96$2.90-2.03%$3.05$2.85199,139 shs$43.56 million07/30/2025$2.95$2.96+0.34%$3.11$2.92381,568 shs$44.47 million Get the Latest News and Ratings for JSPR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Jasper Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 07/29/2025$3.10$2.95-4.84%$3.15$2.92422,831 shs$44.31 million07/28/2025$3.15$3.10-1.59%$3.25$3.07410,506 shs$46.56 million07/25/2025$3.13$3.15+0.64%$3.20$3.06248,404 shs$47.31 million07/24/2025$3.27$3.13-4.28%$3.30$3.10341,537 shs$47.01 million07/23/2025$3.15$3.27+3.81%$3.31$3.08276,471 shs$49.12 million07/22/2025$3.21$3.15-1.87%$3.26$3.10353,007 shs$47.31 million07/21/2025$3.33$3.21-3.60%$3.38$3.14444,495 shs$48.21 million07/18/2025$3.37$3.33-1.19%$3.48$3.26349,166 shs$50.02 million07/17/2025$3.35$3.37+0.60%$3.52$3.32383,600 shs$50.62 million07/16/2025$3.31$3.35+1.21%$3.42$3.28217,326 shs$50.32 million07/15/2025$3.47$3.31-4.61%$3.53$3.21598,372 shs$49.72 million07/14/2025$3.51$3.47-1.14%$3.53$3.32411,444 shs$52.13 million Related Companies Silence Therapeutics Stock Price Chart Rapt Therapeutics Stock Price Chart Voyager Therapeutics Stock Price Chart Aclaris Therapeutics Stock Price Chart Cellectis Stock Price Chart Lifevantage Stock Price Chart Cardiff Oncology Stock Price Chart Journey Medical Stock Price Chart Lyell Immunopharma Stock Price Chart Instil Bio Stock Price Chart Receive JSPR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Jasper Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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