Cyclerion Therapeutics (CYCN) Stock Chart & Stock Price History $2.75 +0.07 (+2.61%) Closing price 04/17/2025 04:00 PM EasternExtended Trading$2.60 -0.15 (-5.27%) As of 04/17/2025 06:11 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 AnalysisChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Cyclerion Therapeutics Stock Price Performance 5 Day Performance+7.42%1 Month Performance+6.59%3 Month Performance-8.03%6 Month Performance+10.44%Year-To-Date Performance-14.60%1 Year Performance-14.55% Receive CYCN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Cyclerion Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address CYCN Stock Chart for Friday, April, 18, 2025 CYCN Chart by TradingView Cyclerion Therapeutics 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 Capitalization04/17/2025$2.68$2.75+2.61%$2.75$2.642,645 shs$7.45 million04/16/2025$2.69$2.68-0.37%$2.74$2.643,211 shs$7.26 million04/15/2025$2.85$2.69-5.61%$2.78$2.672,481 shs$7.29 million04/14/2025$2.56$2.85+11.33%$2.90$2.5237,755 shs$7.72 million04/11/2025$2.56$2.56$2.60$2.513,752 shs$6.94 million04/10/2025$2.52$2.56+1.59%$2.65$2.439,033 shs$6.94 million04/09/2025$2.52$2.52$2.54$2.418,385 shs$6.83 million04/09/2025$2.52$2.52$2.54$2.418,385 shs$6.83 million04/08/2025$2.47$2.52+2.02%$2.69$2.409,353 shs$6.83 million04/08/2025$2.47$2.52+2.02%$2.69$2.409,353 shs$6.83 million Get the Latest News and Ratings for CYCN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Cyclerion Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 04/07/2025$2.50$2.47-1.20%$2.59$2.4022,302 shs$6.69 million04/04/2025$2.58$2.50-3.10%$2.61$2.4014,191 shs$6.78 million04/03/2025$2.61$2.58-1.15%$2.65$2.4923,630 shs$6.99 million04/02/2025$2.54$2.61+2.76%$2.68$2.5016,946 shs$7.07 million04/01/2025$2.50$2.54+1.60%$2.64$2.5011,788 shs$6.88 million03/31/2025$2.57$2.50-2.72%$2.57$2.4423,478 shs$6.78 million03/28/2025$2.61$2.57-1.53%$2.57$2.4412,682 shs$6.97 million03/27/2025$2.57$2.61+1.56%$2.85$2.516,790 shs$7.07 million03/26/2025$2.72$2.57-5.51%$2.81$2.5115,190 shs$6.97 million03/25/2025$2.82$2.72-3.55%$2.92$2.7018,303 shs$7.37 million03/24/2025$2.75$2.82+2.55%$2.85$2.6815,042 shs$7.64 million03/21/2025$2.71$2.75+1.48%$2.85$2.703,549 shs$7.45 million03/20/2025$2.54$2.71+6.69%$2.84$2.5417,392 shs$7.34 million03/19/2025$2.58$2.54-1.55%$2.66$2.548,899 shs$6.88 million03/18/2025$2.55$2.58+1.18%$2.80$2.4651,188 shs$6.99 million03/17/2025$2.53$2.55+0.79%$2.62$2.4616,697 shs$6.91 million Related Companies SRZN Stock Chart LVTX Stock Chart MRNS Stock Chart FGEN Stock Chart INKT Stock Chart AKTX Stock Chart CVKD Stock Chart ALLK Stock Chart ATHE Stock Chart OSTX Stock Chart Receive CYCN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Cyclerion Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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