Cyclerion Therapeutics (CYCN) Stock Chart & Stock Price History $3.17 +0.10 (+3.22%) As of 12:07 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsEarningsInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Cyclerion Therapeutics Stock Price Performance The Cyclerion Therapeutics (CYCN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 16.94%, with a year-to-date return of -1.58%. In the past month, the stock has increased 5.99%, reflecting recent market activity. As of the latest close, Cyclerion Therapeutics traded at $3.07 with a market cap of $9.86 million and volume of 18,139 shares. Five years ago, the stock traded at a split-adjusted price of $85.80, representing a 96.31% decrease over that period. At the time, it had a market cap of $117.96 million and a volume of 5,787 shares. 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Email Address 5 Day Performance+4.24%1 Month Performance+5.99%3 Month Performance+12.38%Year-To-Date Performance-1.58%1 Year Performance+16.94%5 Year Performance-96.31% CYCN Stock Chart for Thursday, May, 22, 2025 CYCN Chart by TradingView Cyclerion Therapeutics 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$3.28$3.07-6.40%$3.30$3.0518,139 shs$9.86 million05/20/2025$3.11$3.28+5.47%$3.30$3.0516,436 shs$10.53 million05/19/2025$3.04$3.11+2.30%$3.14$3.044,585 shs$9.98 million05/16/2025$2.92$3.04+4.11%$3.10$2.907,030 shs$9.76 million05/15/2025$3.05$2.92-4.26%$3.05$2.834,907 shs$9.37 million05/14/2025$3.12$3.05-2.24%$3.34$2.849,530 shs$9.79 million05/13/2025$3.24$3.12-3.70%$3.19$2.9315,517 shs$10.02 million05/12/2025$3.28$3.24-1.22%$3.30$3.0524,118 shs$10.40 million05/09/2025$3.16$3.28+3.80%$3.44$3.1240,425 shs$10.53 million05/08/2025$3.43$3.16-7.87%$3.33$3.164,394 shs$10.14 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. 05/07/2025$3.03$3.43+13.16%$3.44$3.0040,193 shs$11.01 million05/06/2025$2.97$3.03+2.05%$3.10$2.8212,572 shs$9.73 million05/05/2025$3.14$2.97-5.41%$3.13$2.963,816 shs$9.53 million05/02/2025$3.27$3.14-3.98%$3.45$3.0714,657 shs$8.51 million05/01/2025$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 million Related Companies ITRM Stock Chart LTRN Stock Chart SPRO Stock Chart PLUR Stock Chart ONCY Stock Chart ELYM Stock Chart RVPH Stock Chart ACRV Stock Chart ALGS Stock Chart ESLA 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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