Generation Bio (GBIO) Stock Chart & Stock Price History $0.39 +0.04 (+12.42%) Closing price 04/17/2025 04:00 PM EasternExtended Trading$0.38 -0.01 (-1.28%) As of 04/17/2025 05:22 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 AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Generation Bio Stock Price Performance 5 Day Performance0.00%1 Month Performance-30.37%3 Month Performance-58.86%6 Month Performance-82.74%Year-To-Date Performance-63.21%1 Year Performance-85.97% Receive GBIO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Generation Bio and its competitors with MarketBeat's FREE daily newsletter. Email Address GBIO Stock Chart for Saturday, April, 19, 2025 GBIO Chart by TradingView Generation Bio 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$0.39$0.39$0.40$0.34402,510 shs$26.13 million04/17/2025$0.35$0.39+12.42%$0.40$0.34402,510 shs$26.13 million04/16/2025$0.37$0.35-5.68%$0.37$0.33386,224 shs$23.25 million04/15/2025$0.37$0.37-1.66%$0.40$0.35512,290 shs$24.65 million04/14/2025$0.39$0.37-4.10%$0.40$0.37658,947 shs$25.06 million04/11/2025$0.35$0.39+11.75%$0.39$0.34324,115 shs$26.13 million04/10/2025$0.37$0.35-6.31%$0.40$0.33471,971 shs$23.39 million04/09/2025$0.32$0.37+14.97%$0.39$0.32944,463 shs$24.96 million04/09/2025$0.32$0.37+14.97%$0.39$0.32944,463 shs$24.96 million04/08/2025$0.38$0.32-13.69%$0.40$0.32481,997 shs$21.71 million Get the Latest News and Ratings for GBIO and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Generation Bio and its competitors with MarketBeat's FREE daily newsletter. 04/08/2025$0.38$0.32-13.69%$0.40$0.32481,997 shs$21.71 million04/07/2025$0.37$0.38+0.78%$0.40$0.35522,069 shs$25.16 million04/04/2025$0.40$0.37-6.29%$0.40$0.36820,812 shs$24.96 million04/03/2025$0.37$0.40+7.37%$0.41$0.36732,217 shs$26.64 million04/02/2025$0.37$0.37+0.57%$0.38$0.36944,210 shs$24.81 million04/01/2025$0.41$0.37-9.11%$0.43$0.36791,554 shs$24.67 million03/31/2025$0.43$0.41-5.33%$0.44$0.40365,901 shs$27.14 million03/28/2025$0.46$0.43-6.37%$0.46$0.41558,689 shs$28.67 million03/27/2025$0.46$0.46+0.22%$0.50$0.44179,740 shs$30.62 million03/26/2025$0.47$0.46-3.68%$0.49$0.45341,763 shs$30.55 million03/25/2025$0.50$0.47-4.50%$0.50$0.46400,095 shs$31.72 million03/24/2025$0.50$0.50-1.49%$0.55$0.49479,417 shs$33.21 million03/21/2025$0.52$0.50-2.50%$0.51$0.47861,312 shs$33.71 million03/20/2025$0.54$0.52-5.04%$0.58$0.52100,360 shs$34.58 million03/19/2025$0.56$0.54-2.98%$0.59$0.53276,061 shs$36.30 million03/18/2025$0.53$0.56+5.68%$0.59$0.52326,605 shs$37.41 million03/17/2025$0.48$0.53+10.42%$0.57$0.471.01 million shs$35.40 million Related Companies ALEC Stock Price Chart BHST Stock Price Chart KYTX Stock Price Chart EXOZ Stock Price Chart XBIT Stock Price Chart TLSA Stock Price Chart ORMP Stock Price Chart OPTN Stock Price Chart COYA Stock Price Chart CLYM Stock Price Chart Receive GBIO Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Generation Bio and its competitors with MarketBeat's FREE daily newsletter. 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