GT Biopharma (GTBP) Stock Chart & Stock Price History $0.80 -0.03 (-3.27%) As of 03:49 PM Eastern This is a fair market value 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 63.56%, with a year-to-date return of -73.84%. In the past month, the stock has decreased 40.45%, reflecting recent market activity. As of the latest close, GT Biopharma traded at $0.83 with a market cap of $2.94 million and volume of 269,411 shares. Five years ago, the stock traded at a split-adjusted price of $4.95, representing a 83.88% decrease over that period. At the time, it had a market cap of $12.36 million and a volume of 2,220 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-0.87%1 Month Performance-40.45%3 Month Performance-71.50%Year-To-Date Performance-73.84%1 Year Performance-63.56%5 Year Performance-83.88% GTBP Stock Chart for Wednesday, September, 17, 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 Capitalization09/16/2025$0.80$0.83+3.07%$0.85$0.80269,411 shs$2.94 million09/15/2025$0.81$0.80-0.57%$0.83$0.78311,261 shs$2.85 million09/12/2025$0.75$0.81+8.05%$0.81$0.73292,362 shs$2.87 million09/11/2025$0.80$0.75-6.88%$0.80$0.63596,379 shs$2.65 million09/10/2025$0.75$0.80+6.99%$0.95$0.741.07 million shs$2.85 million09/09/2025$0.86$0.75-13.06%$0.84$0.71195,573 shs$2.66 million09/08/2025$0.94$0.86-8.51%$0.87$0.67879,083 shs$3.06 million09/05/2025$0.93$0.94+1.18%$0.95$0.893.23 million shs$3.35 million09/04/2025$0.94$0.93-1.16%$0.97$0.9196,182 shs$3.31 million09/03/2025$0.90$0.94+4.53%$0.99$0.88184,652 shs$3.34 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. 09/02/2025$0.93$0.90-3.78%$0.93$0.90149,808 shs$3.20 million09/01/2025$0.93$0.93$0.97$0.9199,818 shs$3.33 million08/29/2025$0.97$0.93-3.40%$0.97$0.9199,818 shs$3.33 million08/28/2025$1.14$0.97-15.14%$1.14$0.96191,452 shs$3.44 million08/27/2025$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 million Related Companies BioVie Stock Price Chart Flora Growth Stock Price Chart NextCure Stock Price Chart Traws Pharma Stock Price Chart TherapeuticsMD Stock Price Chart Soligenix Stock Price Chart Longeveron Stock Price Chart BioCardia Stock Price Chart Leap Therapeutics Stock Price Chart Phio Pharmaceuticals 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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