COSCIENS Biopharma (CSCI) Stock Chart & Stock Price History $4.33 +0.23 (+5.61%) Closing price 07/18/2025 03:56 PM EasternExtended Trading$4.28 -0.05 (-1.27%) As of 07/18/2025 07:15 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 AnalysisChartCompetitorsEarningsHeadlinesSEC FilingsTrendsBuy This Stock COSCIENS Biopharma Stock Price Performance The COSCIENS Biopharma (CSCI) stock chart highlights key performance trends across multiple timeframes. Since the beginning of the year, the stock increased 56.32%. In the past month, the stock has increased 23.01%, reflecting recent market activity. As of the latest close, COSCIENS Biopharma traded at $4.33 with a market cap of $13.64 million and volume of 10,314 shares. 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Email Address 5 Day Performance+19.61%1 Month Performance+23.01%3 Month Performance+47.33%Year-To-Date Performance+56.32% CSCI Stock Chart for Saturday, July, 19, 2025 CSCI Chart by TradingView COSCIENS Biopharma 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 Capitalization07/18/2025$4.05$4.33+6.91%$4.40$4.0110,314 shs$13.64 million07/17/2025$3.77$4.05+7.31%$4.10$3.6419,806 shs$12.75 million07/16/2025$3.44$3.77+9.84%$3.89$3.4519,334 shs$11.89 million07/15/2025$3.62$3.44-5.08%$3.63$3.472,042 shs$10.81 million07/14/2025$3.44$3.62+5.11%$3.65$3.314,118 shs$11.39 million07/11/2025$3.51$3.44-1.88%$3.53$3.313,195 shs$10.84 million07/10/2025$3.62$3.51-3.04%$3.67$3.517,193 shs$11.06 million07/09/2025$3.65$3.62-0.82%$3.65$3.472,888 shs$11.40 million07/08/2025$3.44$3.65+6.10%$3.65$3.462,461 shs$11.49 million07/07/2025$3.46$3.44-0.61%$3.46$3.424,097 shs$10.84 million Get the Latest News and Ratings for CSCI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for COSCIENS Biopharma and its competitors with MarketBeat's FREE daily newsletter. 07/04/2025$3.46$3.46$3.46$3.312,601 shs$10.89 million07/03/2025$3.44$3.46+0.49%$3.46$3.312,601 shs$10.90 million07/02/2025$3.43$3.44+0.41%$3.46$3.312,601 shs$10.85 million07/01/2025$3.40$3.43+0.88%$3.46$3.411,175 shs$10.80 million06/30/2025$3.33$3.40+2.10%$3.46$3.253,463 shs$10.71 million06/27/2025$3.37$3.33-1.19%$3.45$3.30640 shs$10.49 million06/26/2025$3.33$3.37+1.20%$3.40$3.37832 shs$10.61 million06/25/2025$3.39$3.33-1.77%$3.47$3.351,390 shs$10.49 million06/24/2025$3.36$3.39+0.89%$3.38$3.33664 shs$10.68 million06/23/2025$3.40$3.36-1.15%$3.36$3.24750 shs$10.58 million06/20/2025$3.52$3.40-3.44%$3.50$2.991,751 shs$10.71 million06/19/2025$3.52$3.52$3.58$3.324,018 shs$11.09 million06/18/2025$3.59$3.52-1.81%$3.58$3.324,018 shs$11.09 million Related Companies MURA Stock Chart ELYM Stock Chart BRNS Stock Chart MRSN Stock Chart PEPG Stock Chart LTRN Stock Chart MDCX Stock Chart ACRV Stock Chart ATHE Stock Chart PLUR Stock Chart Receive CSCI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for COSCIENS Biopharma and its competitors with MarketBeat's FREE daily newsletter. 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