Protagenic Therapeutics (PTIX) Stock Chart & Stock Price History $0.24 -0.02 (-7.39%) As of 01:53 PM Eastern This is a fair market value price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisChartCompetitorsEarningsInsider TradesSEC FilingsShort InterestTrendsBuy This Stock Protagenic Therapeutics Stock Price Performance 5 Day Performance-14.33%1 Month Performance-8.21%3 Month Performance-41.46%6 Month Performance-52.41%Year-To-Date Performance-47.55%1 Year Performance-80.96% Receive PTIX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Protagenic Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Email Address PTIX Stock Chart for Thursday, April, 17, 2025 PTIX Chart by TradingViewRemove Ads Protagenic Therapeutics 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 Capitalization04/16/2025$0.29$0.26-10.73%$0.28$0.26131,048 shs$1.93 million04/15/2025$0.31$0.29-6.83%$0.30$0.28196,225 shs$2.17 million04/14/2025$0.30$0.31+3.00%$0.31$0.27274,079 shs$2.33 million04/11/2025$0.26$0.30+15.92%$0.30$0.26285,650 shs$2.26 million04/10/2025$0.27$0.26-3.07%$0.27$0.25148,719 shs$1.95 million04/09/2025$0.27$0.27-1.11%$0.30$0.21631,333 shs$2.01 million04/09/2025$0.27$0.27-1.11%$0.30$0.21631,333 shs$2.01 million04/08/2025$0.32$0.27-15.17%$0.28$0.24902,693 shs$1.96 million04/08/2025$0.32$0.27-15.17%$0.28$0.24902,693 shs$1.96 million04/07/2025$0.39$0.32-17.88%$0.34$0.29950,599 shs$2.31 million Get the Latest News and Ratings for PTIX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Protagenic Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 04/04/2025$0.42$0.39-7.27%$0.39$0.294.74 million shs$2.81 million04/03/2025$0.23$0.42+84.14%$0.62$0.35178.38 million shs$3.03 million04/02/2025$0.25$0.23-9.20%$0.26$0.2317.27 million shs$1.64 million04/01/2025$0.20$0.25+28.14%$0.28$0.18641,929 shs$1.81 million03/31/2025$0.23$0.20-13.29%$0.22$0.20131,457 shs$1.41 million03/28/2025$0.26$0.23-12.11%$0.25$0.2370,972 shs$1.63 million03/27/2025$0.26$0.26-2.66%$0.26$0.2525,022 shs$1.85 million03/26/2025$0.27$0.26-2.08%$0.27$0.2552,825 shs$1.90 million03/25/2025$0.26$0.27+2.95%$0.27$0.2618,612 shs$1.95 million03/24/2025$0.28$0.26-6.49%$0.27$0.2586,433 shs$1.89 million03/21/2025$0.26$0.28+8.98%$0.29$0.25116,891 shs$2.02 million03/20/2025$0.25$0.26+2.40%$0.26$0.2543,166 shs$1.85 million03/19/2025$0.26$0.25-3.77%$0.28$0.2599,152 shs$1.81 million03/18/2025$0.28$0.26-7.21%$0.28$0.2577,766 shs$1.88 million03/17/2025$0.26$0.28+6.10%$0.28$0.2566,272 shs$2.03 million Related Companies BioCardia Stock Price Chart COSCIENS Biopharma Stock Price Chart Neuphoria Therapeutics Inc. - Common Stock Stock Price Chart Portage Biotech Stock Price Chart Flora Growth Stock Price Chart Ainos Stock Price Chart Talphera Stock Price Chart Citius Pharmaceuticals Stock Price Chart Gelteq Stock Price Chart NextCure Stock Price Chart Receive PTIX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Protagenic Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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