COSCIENS Biopharma (CSCI) Stock Chart & Stock Price History $2.94 +0.12 (+4.22%) Closing price 04/17/2025 03:56 PM EasternExtended Trading$3.20 +0.26 (+8.88%) As of 04/17/2025 04:05 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 5 Day Performance+4.63%1 Month Performance-14.31%3 Month Performance-2.03%6 Month Performance-20.57%Year-To-Date Performance+6.10% 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. Email Address CSCI Stock Chart for Sunday, April, 20, 2025 CSCI Chart by TradingView COSCIENS Biopharma Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/18/2025$2.94$2.94$2.83$2.783,113 shs$9.23 million04/17/2025$2.82$2.94+4.22%$2.83$2.783,113 shs$9.23 million04/16/2025$2.81$2.82+0.39%$3.07$2.763,547 shs$8.86 million04/15/2025$2.91$2.81-3.47%$3.19$2.841,649 shs$8.83 million04/14/2025$2.97$2.91-1.99%$3.07$2.621,594 shs$9.14 million04/11/2025$2.83$2.97+4.91%$2.85$2.80977 shs$9.33 million04/10/2025$2.84$2.83-0.32%$3.00$2.814,408 shs$10.69 million04/09/2025$2.45$2.84+15.88%$3.08$2.3536,725 shs$10.72 million04/09/2025$2.45$2.84+15.88%$3.08$2.3536,725 shs$10.72 million04/08/2025$2.44$2.45+0.41%$2.63$2.303,285 shs$9.25 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. 04/08/2025$2.44$2.45+0.41%$2.63$2.303,285 shs$9.25 million04/07/2025$2.57$2.44-5.06%$2.56$2.303,120 shs$9.21 million04/04/2025$2.71$2.57-5.17%$2.83$2.514,796 shs$9.70 million04/03/2025$2.94$2.71-7.82%$2.86$2.705,396 shs$10.23 million04/02/2025$2.90$2.94+1.41%$2.99$2.7716,900 shs$11.10 million04/01/2025$2.84$2.90+2.08%$3.11$2.797,910 shs$10.95 million03/31/2025$3.07$2.84-7.52%$3.10$2.811,696 shs$10.72 million03/28/2025$3.08$3.07-0.29%$3.16$3.013,057 shs$11.60 million03/27/2025$3.22$3.08-4.23%$3.08$3.04491 shs$11.63 million03/26/2025$3.07$3.22+4.76%$3.30$3.152,539 shs$12.14 million03/25/2025$3.22$3.07-4.66%$3.30$3.073,120 shs$11.59 million03/24/2025$3.29$3.22-2.13%$3.53$3.0264,064 shs$12.16 million03/21/2025$3.43$3.29-4.08%$3.57$3.1225,829 shs$12.42 million03/20/2025$4.35$3.43-21.15%$4.40$3.1780,095 shs$12.95 million03/19/2025$3.25$4.35+33.80%$4.61$3.34219,862 shs$16.43 million Related Companies ALVR Stock Chart DYAI Stock Chart CNTB Stock Chart PEPG Stock Chart XFOR Stock Chart KPTI Stock Chart HOWL Stock Chart NRXP Stock Chart ATRA Stock Chart ESLA 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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