Protagenic Therapeutics (PTIXW) Stock Chart & Stock Price History $0.04 -0.02 (-33.33%) As of 09/12/2025 01:24 PM Eastern Add Compare Share Share Chart Stock AnalysisChartCompetitorsSEC FilingsTrendsBuy This Stock Protagenic Therapeutics Stock Price Performance The Protagenic Therapeutics (PTIXW) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 154.78%, with a year-to-date return of 788.89%. In the past month, the stock has increased 15.27%, reflecting recent market activity. As of the latest close, Protagenic Therapeutics traded at $0.04 with a market cap of and volume of 33,270 shares. Receive PTIXW 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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Read our full terms of service and privacy policy. 5 Day Performance-41.18%1 Month Performance+15.27%3 Month Performance-33.11%Year-To-Date Performance+788.89%1 Year PerformanceN/A PTIXW Stock Chart for Sunday, September, 14, 2025 PTIXW Chart by TradingView Protagenic 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 Capitalization09/12/2025$0.06$0.04-33.33%$0.06$0.0433,270 shs$0.0009/11/2025$0.07$0.06-10.45%$0.07$0.0425,759 shs$0.0009/10/2025$0.07$0.07-1.47%$0.07$0.048,544 shs$0.0009/09/2025$0.07$0.07-1.45%$0.07$0.062,253 shs$0.0009/08/2025$0.04$0.07+96.58%$0.07$0.054,724 shs$0.0009/05/2025$0.04$0.04$0.06$0.04461 shs$0.0009/04/2025$0.04$0.04+0.29%$0.04$0.04750 shs$0.0009/03/2025$0.04$0.04-12.50%$0.05$0.0434,356 shs$0.0009/02/2025$0.05$0.04-11.50%$0.05$0.0453,882 shs$0.0009/01/2025$0.05$0.05$0.05$0.0543,489 shs$0.00 Get the Latest News and Ratings for PTIXW 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. 08/29/2025$0.06$0.05-21.80%$0.05$0.0543,489 shs$0.0008/28/2025$0.06$0.06$0.06$0.0524,232 shs$0.0008/27/2025$0.06$0.06+5.09%$0.07$0.0515,155 shs$0.0008/26/2025$0.08$0.06-30.38%$0.07$0.0466,079 shs$0.0008/25/2025$0.07$0.08+11.27%$0.10$0.0682,583 shs$0.0008/22/2025$0.14$0.07-48.92%$0.13$0.0731,930 shs$0.0008/21/2025$0.05$0.14+179.12%$0.30$0.071.26 million shs$0.0008/20/2025$0.05$0.05$0.05$0.05200 shs$0.0008/19/2025$0.04$0.05+17.45%$0.05$0.05200 shs$0.0008/18/2025$0.05$0.04-9.79%$0.05$0.041,006 shs$0.0008/15/2025$0.03$0.05+35.45%$0.05$0.0518,912 shs$0.0008/14/2025$0.03$0.03$0.03$0.039,900 shs$0.0008/13/2025$0.03$0.03+27.11%$0.03$0.039,906 shs$0.00 Related Companies ATNFW Stock Chart LBPSW Stock Chart AEHAW Stock Chart AIMDW Stock Chart ALVOW Stock Chart ARAV Stock Chart ACABW Stock Chart BFRIW Stock Chart BTMDW Stock Chart BCTXW Stock Chart Receive PTIXW 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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