Cyclerion Therapeutics (CYCN) Stock Chart & Stock Price History $3.27 -0.18 (-5.22%) Closing price 03:47 PM EasternExtended Trading$3.13 -0.14 (-4.28%) As of 06:10 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 AnalysisChartCompetitorsEarningsInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Cyclerion Therapeutics Stock Price Performance 5 Day Performance+0.62%1 Month Performance+28.74%3 Month Performance-16.58%6 Month Performance+10.85%Year-To-Date Performance+1.55%1 Year Performance+14.34% 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 Thursday, May, 1, 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 Capitalization05/01/2025$3.45$3.27-5.22%$3.45$3.108,082 shs$8.86 million04/30/2025$3.35$3.45+2.99%$3.62$3.237,789 shs$9.35 million04/29/2025$3.70$3.35-9.46%$3.79$3.2820,804 shs$9.08 million04/28/2025$3.25$3.70+13.85%$3.75$3.1450,816 shs$10.03 million04/25/2025$3.01$3.25+7.97%$3.25$2.9816,660 shs$8.81 million04/24/2025$2.95$3.01+2.03%$3.04$2.8315,380 shs$8.16 million04/23/2025$2.99$2.95-1.34%$2.99$2.825,617 shs$8.00 million04/22/2025$2.70$2.99+10.74%$2.99$2.7020,803 shs$8.10 million04/21/2025$2.75$2.70-1.82%$2.73$2.652,518 shs$7.32 million04/18/2025$2.75$2.75$2.75$2.642,645 shs$7.45 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. 04/17/2025$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 million04/07/2025$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 million Related Companies SPRO Stock Chart OSTX Stock Chart IRD Stock Chart RNTX Stock Chart STTK Stock Chart HOWL Stock Chart SCYX Stock Chart ELYM Stock Chart ESLA Stock Chart CELU 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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