Cytosorbents (CTSO) Stock Chart & Stock Price History $0.86 -0.01 (-0.57%) Closing price 03:58 PM EasternExtended Trading$0.85 -0.02 (-2.08%) As of 04:08 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Cytosorbents Stock Price Performance The Cytosorbents (CTSO) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 7.98%, with a year-to-date return of -4.95%. In the past month, the stock has decreased 21.36%, reflecting recent market activity. As of the latest close, Cytosorbents traded at $0.87 with a market cap of $54.47 million and volume of 45,797 shares. Five years ago, the stock traded at $10.30, representing a 91.60% decrease over that period. At the time, it had a market cap of $373.17 million and a volume of 378,400 shares. Receive CTSO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Cytosorbents and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-3.89%1 Month Performance-21.36%3 Month Performance-24.78%Year-To-Date Performance-4.95%1 Year Performance-7.98%5 Year Performance-91.60% CTSO Stock Chart for Thursday, May, 22, 2025 CTSO Chart by TradingView Cytosorbents 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 Capitalization05/21/2025$0.84$0.87+3.55%$0.90$0.8445,797 shs$54.47 million05/20/2025$0.85$0.84-1.16%$0.90$0.8459,960 shs$52.61 million05/19/2025$0.90$0.85-5.54%$0.92$0.8458,837 shs$53.23 million05/16/2025$0.83$0.90+7.80%$0.91$0.83162,973 shs$56.35 million05/15/2025$0.81$0.83+3.32%$0.90$0.8356,253 shs$52.27 million05/14/2025$0.87$0.81-7.11%$0.90$0.80168,127 shs$50.60 million05/13/2025$0.87$0.87-0.01%$0.89$0.8793,327 shs$54.47 million05/12/2025$0.87$0.87-0.10%$0.90$0.8738,577 shs$54.48 million05/09/2025$0.88$0.87-0.80%$0.90$0.8749,600 shs$54.53 million05/08/2025$0.88$0.88-0.57%$0.90$0.87166,858 shs$54.97 million Get the Latest News and Ratings for CTSO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Cytosorbents and its competitors with MarketBeat's FREE daily newsletter. 05/07/2025$0.89$0.88-0.79%$0.91$0.8758,632 shs$55.29 million05/06/2025$0.91$0.89-1.97%$0.93$0.8757,877 shs$55.72 million05/05/2025$0.94$0.91-3.41%$0.93$0.9096,721 shs$56.84 million05/02/2025$1.01$0.94-6.93%$0.94$0.871.26 million shs$58.85 million05/01/2025$1.01$1.01$1.07$1.00118,825 shs$63.13 million04/30/2025$1.12$1.01-9.82%$1.10$1.00176,900 shs$63.13 million04/29/2025$1.09$1.12+2.75%$1.12$1.0583,162 shs$70 million04/28/2025$1.10$1.09-0.91%$1.14$1.0834,645 shs$68.13 million04/25/2025$1.16$1.10-5.17%$1.15$1.0932,628 shs$68.75 million04/24/2025$1.07$1.16+8.41%$1.16$1.0568,173 shs$72.50 million04/23/2025$1.10$1.07-2.73%$1.10$1.0616,176 shs$66.88 million04/22/2025$1.09$1.10+0.92%$1.12$1.0551,850 shs$68.75 million04/21/2025$1.03$1.09+5.83%$1.14$1.01143,593 shs$68.13 million Related Companies NYXH Stock Chart DRTS Stock Chart ELMD Stock Chart RCEL Stock Chart CATX Stock Chart INGN Stock Chart LAKE Stock Chart BWAY Stock Chart SGHT Stock Chart TLSI Stock Chart Receive CTSO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Cytosorbents and its competitors with MarketBeat's FREE daily newsletter. 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