GT Biopharma (GTBP) Stock Chart & Stock Price History $1.14 0.00 (0.00%) Closing price 08/27/2025 04:00 PM EasternExtended Trading$1.14 0.00 (0.00%) As of 04:02 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 ForecastsChartCompetitorsEarningsFDA EventsHeadlinesInsider TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock GT Biopharma Stock Price Performance The GT Biopharma (GTBP) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 47.95%, with a year-to-date return of -62.62%. In the past month, the stock has decreased 45.71%, reflecting recent market activity. As of the latest close, GT Biopharma traded at $1.14 with a market cap of $4.06 million and volume of 100,946 shares. Five years ago, the stock traded at a split-adjusted price of $5.40, representing a 78.89% decrease over that period. At the time, it had a market cap of $13 million and a volume of 3,809 shares. Receive GTBP Stock News and Ratings via EmailSign-up to receive the latest news and ratings for GT Biopharma and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance+2.70%1 Month Performance-45.71%3 Month Performance-59.86%Year-To-Date Performance-62.62%1 Year Performance-47.95%5 Year Performance-78.89% GTBP Stock Chart for Thursday, August, 28, 2025 GTBP Chart by TradingView GT Biopharma 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 Capitalization08/27/2025$1.14$1.14$1.18$1.10100,946 shs$4.06 million08/26/2025$1.09$1.14+4.59%$1.14$1.1066,063 shs$4.06 million08/25/2025$1.11$1.09-1.80%$1.13$1.0899,741 shs$3.88 million08/22/2025$1.07$1.11+3.74%$1.15$1.0996,192 shs$3.95 million08/21/2025$1.08$1.07-0.93%$1.14$1.07106,205 shs$3.81 million08/20/2025$1.33$1.08-18.80%$1.32$1.05488,062 shs$3.85 million08/19/2025$1.49$1.33-10.44%$1.48$1.32154,658 shs$4.35 million08/18/2025$1.34$1.49+10.82%$1.53$1.3588,383 shs$4.86 million08/15/2025$1.45$1.34-7.59%$1.46$0.96263,671 shs$4.38 million08/14/2025$1.68$1.45-13.69%$1.70$1.38132,391 shs$4.74 million Get the Latest News and Ratings for GTBP and Related StocksEnter your email address below to receive the latest news and analysts' ratings for GT Biopharma and its competitors with MarketBeat's FREE daily newsletter. 08/13/2025$1.75$1.68-3.97%$1.74$1.6838,889 shs$5.50 million08/12/2025$1.74$1.75+0.54%$1.77$1.6856,231 shs$5.72 million08/11/2025$1.79$1.74-2.79%$1.78$1.7145,017 shs$5.69 million08/08/2025$1.83$1.79-2.19%$1.89$1.7426,600 shs$5.85 million08/07/2025$1.74$1.83+5.17%$1.83$1.6832,802 shs$5.99 million08/06/2025$1.77$1.74-1.69%$1.84$1.7298,711 shs$5.69 million08/05/2025$1.78$1.77-0.56%$1.78$1.7241,526 shs$5.79 million08/04/2025$1.81$1.78-1.66%$1.85$1.7654,630 shs$5.83 million08/01/2025$1.86$1.81-2.69%$1.92$1.7838,748 shs$5.92 million07/31/2025$2.00$1.86-7.00%$1.99$1.86117,873 shs$6.09 million07/30/2025$2.04$2.00-1.96%$2.11$1.96119,363 shs$6.54 million07/29/2025$2.10$2.04-2.86%$2.10$1.9770,929 shs$6.67 million07/28/2025$2.06$2.10+1.94%$2.21$2.0281,611 shs$6.87 million Related Companies MetaVia Stock Price Chart Athira Pharma Stock Price Chart Cellectar Biosciences Stock Price Chart Lixte Biotechnology Stock Price Chart iBio Stock Price Chart Lexaria Bioscience Stock Price Chart Adaptimmune Therapeutics Stock Price Chart Soligenix Stock Price Chart Aptorum Group Stock Price Chart Allarity Therapeutics Stock Price Chart Receive GTBP Stock News and Ratings via EmailSign-up to receive the latest news and ratings for GT Biopharma and its competitors with MarketBeat's FREE daily newsletter. 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