Palatin Technologies (PTN) Stock Chart & Stock Price History $15.24 +0.83 (+5.76%) Closing price 05/18/2026 04:10 PM EasternExtended Trading$14.85 -0.39 (-2.56%) As of 05/18/2026 07:51 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 Massive. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartEarningsHeadlinesOwnershipSEC FilingsShort InterestBuy This Stock Palatin Technologies Stock Price Performance The Palatin Technologies (PTN) stock chart highlights key performance trends across multiple timeframes. Since the beginning of the year, the stock decreased 0.91%. In the past month, the stock has decreased 32.27%, reflecting recent market activity. As of the latest close, Palatin Technologies traded at $15.24 with a market cap of $27.13 million and volume of 31,454 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+2.08%1 Month Performance-32.27%3 Month Performance-27.43%Year-To-Date Performance-0.91% PTN Stock Chart for Tuesday, May, 19, 2026 PTN Chart by TradingView Palatin Technologies 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 DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization05/18/2026$14.41$15.24+5.76%$15.34$14.3231,454 shs$27.13 million05/15/2026$14.93$14.41-3.48%$15.51$14.1523,024 shs$25.51 million05/14/2026$16.55$14.93-9.79%$16.94$14.8138,781 shs$26.43 million05/13/2026$19.70$16.55-15.99%$19.00$16.5530,497 shs$29.29 million05/12/2026$19.00$19.70+3.68%$20.10$18.815,686 shs$34.87 million05/11/2026$19.47$19.00-2.41%$20.40$19.0011,260 shs$33.63 million05/08/2026$18.90$19.47+3.02%$19.54$18.242,482 shs$33.49 million05/07/2026$19.00$18.90-0.53%$20.99$18.894,994 shs$33.45 million05/06/2026$20.00$19.00-5.00%$20.13$18.9267,569 shs$33.63 million05/05/2026N/A$20.00$20.92$18.2012,263 shs$35.40 million Get the Latest News and Ratings for PTN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Palatin Technologies and its competitors with MarketBeat's FREE daily newsletter. 04/30/2026$20.27$20.21-0.30%$21.57$20.054,146 shs$35.77 million04/29/2026$21.20$20.27-4.39%$21.72$20.243,668 shs$35.88 million04/28/2026$21.50$21.20-1.40%$21.32$20.551,971 shs$37.52 million04/27/2026$22.22$21.50-3.24%$22.36$20.986,914 shs$38.06 million04/24/2026$20.55$22.22+8.13%$22.36$20.845,425 shs$39.33 million04/23/2026$22.33$20.55-7.97%$21.99$20.3710,485 shs$36.37 million04/22/2026$21.85$22.33+2.20%$22.50$22.143,466 shs$39.52 million04/21/2026$22.07$21.85-1.00%$22.81$21.6714,760 shs$38.67 million04/20/2026$22.50$22.07-1.91%$22.43$21.8421,298 shs$39.06 million Related Companies DERM Stock Price Chart RANI Stock Price Chart AARD Stock Price Chart GNLX Stock Price Chart IPHA Stock Price Chart VTVT Stock Price Chart THAR Stock Price Chart VRCA Stock Price Chart ACOG Stock Price Chart TTRX Stock Price Chart Receive PTN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Palatin Technologies and its competitors with MarketBeat's FREE daily newsletter. This page (NYSEAMERICAN:PTN) was last updated on 5/19/2026 by MarketBeat.com Staff. 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