Coya Therapeutics (COYA) Stock Chart & Stock Price History $5.41 -0.26 (-4.59%) Closing price 09/17/2025 04:00 PM EasternExtended Trading$5.36 -0.05 (-0.92%) As of 07:19 AM 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Coya Therapeutics Stock Price Performance The Coya Therapeutics (COYA) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 10.73%, with a year-to-date return of -5.58%. In the past month, the stock has decreased 9.98%, reflecting recent market activity. As of the latest close, Coya Therapeutics traded at $5.41 with a market cap of $90.51 million and volume of 148,885 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-10.58%1 Month Performance-9.98%3 Month Performance-1.81%Year-To-Date Performance-5.58%1 Year Performance-10.73% COYA Stock Chart for Thursday, September, 18, 2025 COYA Chart by TradingView Coya 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 Capitalization09/17/2025$5.67$5.41-4.59%$5.75$5.39148,885 shs$90.51 million09/16/2025$5.68$5.67-0.18%$5.82$5.37156,169 shs$94.86 million09/15/2025$6.05$5.68-6.12%$6.18$5.62131,304 shs$95.00 million09/12/2025$6.21$6.05-2.58%$6.42$5.78190,061 shs$101.19 million09/11/2025$6.31$6.21-1.58%$6.53$6.16158,272 shs$103.89 million09/10/2025$6.27$6.31+0.64%$6.43$6.1639,104 shs$105.57 million09/09/2025$6.37$6.27-1.57%$6.43$6.05102,221 shs$104.87 million09/08/2025$6.27$6.37+1.59%$6.49$6.11121,720 shs$106.57 million09/05/2025$6.38$6.27-1.72%$6.61$5.96214,649 shs$104.90 million09/04/2025$6.69$6.38-4.63%$6.80$6.0073,548 shs$106.74 million Get the Latest News and Ratings for COYA and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Coya Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 09/03/2025$6.52$6.69+2.61%$6.80$6.5144,755 shs$111.92 million09/02/2025$6.56$6.52-0.61%$6.75$6.4849,484 shs$109.05 million09/01/2025$6.56$6.56$6.88$6.5338,718 shs$109.75 million08/29/2025$6.71$6.56-2.24%$6.88$6.5338,718 shs$109.75 million08/28/2025$6.56$6.71+2.29%$6.75$6.5253,091 shs$112.26 million08/27/2025$6.73$6.56-2.53%$6.80$6.4173,849 shs$109.72 million08/26/2025$6.50$6.73+3.54%$7.03$6.46116,160 shs$112.59 million08/25/2025$6.86$6.50-5.25%$7.30$6.14416,849 shs$108.75 million08/22/2025$6.59$6.86+4.10%$6.89$6.4994,743 shs$114.77 million08/21/2025$6.15$6.59+7.15%$6.68$6.05109,282 shs$110.22 million08/20/2025$5.94$6.15+3.54%$6.19$5.8942,411 shs$102.89 million08/19/2025$6.01$5.94-1.16%$6.15$5.8690,700 shs$99.38 million08/18/2025$6.15$6.01-2.28%$6.14$5.8824,599 shs$100.55 million Related Companies Kamada Stock Chart PureTech Health Stock Chart Cullinan Therapeutics Stock Chart Aura Biosciences Stock Chart Fulcrum Therapeutics Stock Chart Y-mAbs Therapeutics Stock Chart Solid Biosciences Stock Chart MBX Biosciences Stock Chart Design Therapeutics Stock Chart I-Mab Stock Chart Receive COYA Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Coya Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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