Protagenic Therapeutics (PTIX) Stock Chart & Stock Price History $3.32 -0.20 (-5.68%) Closing price 06/13/2025 04:00 PM EasternExtended Trading$3.34 +0.02 (+0.45%) As of 06/13/2025 07:02 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 AnalysisChartCompetitorsEarningsHeadlinesInsider TradesSEC FilingsShort InterestTrendsBuy This Stock Protagenic Therapeutics Stock Price Performance The Protagenic Therapeutics (PTIX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 76.98%, with a year-to-date return of -51.60%. In the past month, the stock has increased 1.22%, reflecting recent market activity. As of the latest close, Protagenic Therapeutics traded at $3.32 with a market cap of $1.96 million and volume of 62,120 shares. Five years ago, the stock traded at a split-adjusted price of $16.10, representing a 79.38% decrease over that period. At the time, it had a market cap of $11.79 million and a volume of 1 shares. 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 5 Day Performance-8.79%1 Month Performance+1.22%3 Month Performance-10.14%Year-To-Date Performance-51.60%1 Year Performance-76.98%5 Year Performance-79.38% PTIX Stock Chart for Saturday, June, 14, 2025 PTIX 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 Capitalization06/13/2025$3.52$3.32-5.68%$3.50$3.3062,120 shs$1.96 million06/12/2025$3.53$3.52-0.28%$3.56$3.4472,961 shs$2.07 million06/11/2025$3.54$3.53-0.28%$3.58$3.4596,383 shs$2.08 million06/10/2025$3.64$3.54-2.75%$3.71$3.50119,045 shs$2.09 million06/09/2025$3.62$3.64+0.55%$3.75$3.54154,838 shs$2.14 million06/06/2025$3.48$3.62+4.02%$3.67$3.5294,120 shs$2.13 million06/05/2025$3.80$3.48-8.42%$3.89$3.44222,988 shs$2.05 million06/04/2025$3.67$3.80+3.54%$3.94$3.56320,382 shs$2.24 million06/03/2025$3.80$3.67-3.42%$3.93$3.60359,805 shs$2.16 million06/02/2025$3.98$3.80-4.52%$4.05$3.73323,917 shs$2.24 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. 05/30/2025$3.81$3.98+4.46%$4.47$3.81658,796 shs$2.34 million05/29/2025$4.00$3.81-4.75%$4.07$3.75252,895 shs$2.24 million05/28/2025$3.94$4.00+1.52%$4.50$3.71988,450 shs$2.36 million05/27/2025$4.76$3.94-17.23%$4.65$3.82567,383 shs$2.32 million05/26/2025$4.76$4.76$5.81$4.46667,307 shs$2.80 million05/23/2025$5.37$4.76-11.36%$5.81$4.46667,307 shs$2.80 million05/22/2025$6.14$5.37-12.54%$6.31$5.20912,337 shs$3.16 million05/21/2025$6.88$6.14-10.76%$7.11$6.031.27 million shs$3.62 million05/20/2025$11.10$6.88-38.02%$9.86$6.403.91 million shs$4.05 million05/19/2025$3.03$11.10+266.34%$14.28$6.3297.17 million shs$6.54 million05/16/2025$3.12$3.03-2.88%$3.30$3.0077,284 shs$1.79 million05/15/2025$3.28$3.12-4.88%$3.25$2.82200,155 shs$1.84 million05/14/2025$3.51$3.28-6.55%$3.50$3.1168,577 shs$1.93 million05/13/2025$3.06$3.51+14.71%$3.68$3.06205,629 shs$2.07 million Related Companies Genprex Stock Price Chart Kiora Pharmaceuticals Stock Price Chart Acurx Pharmaceuticals Stock Price Chart Brainstorm Cell Therapeutics Stock Price Chart Biomerica Stock Price Chart Carisma Therapeutics Stock Price Chart Silexion Therapeutics Stock Price Chart Addex Therapeutics Stock Price Chart Portage Biotech Stock Price Chart BioXcel Therapeutics 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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