Protagenic Therapeutics (PTIX) Stock Chart & Stock Price History $0.27 +0.01 (+2.12%) Closing price 02/21/2025 04:00 PM EasternExtended Trading$0.26 0.00 (-0.94%) As of 02/21/2025 05:32 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 AnalysisChartCompetitorsEarningsFinancialsHeadlinesInsider TradesSEC FilingsShort InterestTrends Protagenic Therapeutics Stock Price Performance 5 Day Performance-0.93%1 Month Performance-35.01%3 Month Performance-59.15%6 Month Performance-58.03%Year-To-Date Performance-45.82%1 Year Performance-72.91% 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 Saturday, February, 22, 2025 PTIX Chart by TradingView 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 Capitalization02/21/2025$0.26$0.27+2.12%$0.27$0.2664,533 shs$1.92 million02/20/2025$0.25$0.26+2.77%$0.26$0.2523,884 shs$1.88 million02/19/2025$0.27$0.25-5.24%$0.27$0.25133,167 shs$1.83 million02/18/2025$0.27$0.27-0.37%$0.28$0.25223,991 shs$1.93 million02/17/2025$0.27$0.27$0.28$0.26272,646 shs$1.94 million02/14/2025$0.27$0.27-2.51%$0.28$0.26272,646 shs$1.94 million02/13/2025$0.27$0.27+2.73%$0.29$0.27234,060 shs$1.99 million02/12/2025$0.27$0.27-0.37%$0.28$0.26139,327 shs$1.94 million02/11/2025$0.26$0.27+3.31%$0.28$0.25326,914 shs$1.95 million02/10/2025$0.27$0.26-4.76%$0.27$0.25133,410 shs$1.88 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. 02/07/2025$0.27$0.27+0.52%$0.29$0.26198,482 shs$1.98 million02/06/2025$0.37$0.27-27.50%$0.29$0.26783,236 shs$1.97 million02/05/2025$0.34$0.37+11.82%$0.38$0.334.13 million shs$2.71 million02/04/2025$0.39$0.34-13.44%$0.39$0.34364,667 shs$2.43 million02/03/2025$0.37$0.39+4.88%$0.39$0.3749,110 shs$2.80 million01/31/2025$0.38$0.37-3.40%$0.44$0.36158,801 shs$2.67 million01/30/2025$0.42$0.38-8.66%$0.42$0.38418,836 shs$2.77 million01/29/2025$0.47$0.42-10.47%$0.49$0.42568,870 shs$3.03 million01/28/2025$0.51$0.47-7.91%$0.52$0.431.64 million shs$3.38 million01/27/2025$0.45$0.51+13.98%$0.62$0.431.68 million shs$3.67 million01/24/2025$0.42$0.45+5.95%$0.46$0.41172,106 shs$3.22 million01/23/2025$0.41$0.42+2.82%$0.45$0.4155,958 shs$3.04 million01/22/2025$0.40$0.41+1.87%$0.44$0.4043,474 shs$2.96 million01/21/2025$0.44$0.40-8.66%$0.44$0.4098,816 shs$2.90 million Related Companies Hoth Therapeutics Stock Price Chart Evoke Pharma Stock Price Chart RedHill Biopharma Stock Price Chart Creative Medical Technology Stock Price Chart Edesa Biotech Stock Price Chart BioLineRx Stock Price Chart Orgenesis Stock Price Chart ProPhase Labs Stock Price Chart Alzamend Neuro Stock Price Chart Omega 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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