ASP Isotopes (ASPI) Stock Chart & Stock Price History $9.35 +0.32 (+3.54%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$9.36 +0.01 (+0.11%) As of 08/22/2025 07:58 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 ForecastsChartCompetitorsEarningsFDA EventsFinancialsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock ASP Isotopes Stock Price Performance The ASP Isotopes (ASPI) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 263.81%, with a year-to-date return of 106.40%. In the past month, the stock has decreased 3.21%, reflecting recent market activity. As of the latest close, ASP Isotopes traded at $9.35 with a market cap of $859.36 million and volume of 4.28 million shares. Receive ASPI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ASP Isotopes and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+5.29%1 Month Performance-3.21%3 Month Performance+8.85%Year-To-Date Performance+106.40%1 Year Performance+263.81% ASPI Stock Chart for Sunday, August, 24, 2025 ASPI Chart by TradingView ASP Isotopes 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 Capitalization08/22/2025$9.03$9.35+3.54%$9.41$8.784.28 million shs$859.36 million08/21/2025$8.97$9.03+0.67%$9.19$8.733.22 million shs$829.95 million08/20/2025$8.88$8.97+1.01%$9.08$8.354.13 million shs$824.43 million08/19/2025$9.30$8.88-4.52%$9.29$8.585.34 million shs$745.03 million08/18/2025$9.31$9.30-0.11%$9.47$8.734.66 million shs$780.27 million08/15/2025$10.57$9.31-11.92%$11.17$9.227.15 million shs$781.11 million08/14/2025$11.03$10.57-4.17%$11.14$10.323.87 million shs$886.88 million08/13/2025$11.21$11.03-1.61%$11.68$10.526.20 million shs$925.42 million08/12/2025$9.92$11.21+13.00%$11.26$9.656.48 million shs$940.52 million08/11/2025$9.32$9.92+6.44%$10.08$9.083.62 million shs$832.34 million Get the Latest News and Ratings for ASPI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ASP Isotopes and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$9.68$9.32-3.72%$10.00$9.244.25 million shs$782.00 million08/07/2025$10.06$9.68-3.78%$10.28$9.432.55 million shs$812.15 million08/06/2025$9.97$10.06+0.90%$10.24$9.863.22 million shs$844.03 million08/05/2025$9.40$9.97+6.06%$9.98$8.983.94 million shs$836.53 million08/04/2025$8.93$9.40+5.26%$9.40$8.942.04 million shs$788.66 million08/01/2025$9.07$8.93-1.54%$9.17$8.533.02 million shs$749.23 million07/31/2025$9.41$9.07-3.61%$9.73$8.953.68 million shs$760.97 million07/30/2025$9.35$9.41+0.64%$9.83$9.084.58 million shs$789.55 million07/29/2025$10.10$9.35-7.43%$10.20$9.124.98 million shs$784.47 million07/28/2025$10.47$10.10-3.53%$10.79$9.854.67 million shs$847.39 million07/25/2025$9.66$10.47+8.39%$10.82$9.337.52 million shs$878.22 million07/24/2025$10.00$9.66-3.40%$10.25$9.433.77 million shs$810.23 million07/23/2025$9.32$10.00+7.30%$10.13$9.155.13 million shs$838.80 million Related Companies Perimeter Solutions Stock Price Chart Methanex Stock Price Chart PureCycle Technologies Stock Price Chart Chemours Stock Price Chart Ingevity Stock Price Chart CVR Partners Stock Price Chart Braskem Stock Price Chart Ecovyst Stock Price Chart Westlake Chemical Partners Stock Price Chart Tronox Stock Price Chart Receive ASPI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ASP Isotopes and its competitors with MarketBeat's FREE daily newsletter. 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