Alterity Therapeutics (ATHE) Stock Chart & Stock Price History $4.88 -0.01 (-0.20%) Closing price 04:00 PM EasternExtended Trading$4.90 +0.03 (+0.51%) As of 05:38 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 AnalysisAnalyst ForecastsChartCompetitorsFDA EventsHeadlinesOwnershipSEC FilingsShort InterestTrendsBuy This Stock Alterity Therapeutics Stock Price Performance The Alterity Therapeutics (ATHE) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 287.30%, with a year-to-date return of 47.43%. In the past month, the stock has increased 8.93%, reflecting recent market activity. As of the latest close, Alterity Therapeutics traded at $4.89 with a market cap of $43.37 million and volume of 55,118 shares. Five years ago, the stock traded at a split-adjusted price of $19.10, representing a 74.45% decrease over that period. At the time, it had a market cap of $27.77 million and a volume of 12,174 shares. Receive ATHE Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Alterity Therapeutics and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance-2.59%1 Month Performance+8.93%3 Month Performance-2.40%Year-To-Date Performance+47.43%1 Year Performance+287.30%5 Year Performance-74.45% ATHE Stock Chart for Monday, October, 20, 2025 ATHE Chart by TradingView Alterity 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 Capitalization10/17/2025$4.83$4.89+1.24%$5.14$4.6255,118 shs$43.37 million10/16/2025$5.01$4.83-3.59%$5.17$4.8031,086 shs$44.43 million10/15/2025$4.73$5.01+5.92%$5.17$4.7974,002 shs$44.44 million10/14/2025$4.66$4.73+1.50%$4.80$4.4554,289 shs$41.96 million10/13/2025$4.29$4.66+8.62%$4.88$4.15127,286 shs$38.04 million10/10/2025$4.50$4.29-4.67%$4.45$4.16101,868 shs$38.04 million10/09/2025$4.31$4.50+4.41%$4.66$4.164.24 million shs$39.92 million10/08/2025$4.28$4.31+0.82%$4.49$4.1211,123 shs$38.23 million10/07/2025$4.33$4.28-1.27%$4.40$4.205,016 shs$37.91 million10/06/2025$4.25$4.33+1.88%$4.60$4.0633,549 shs$38.41 million Get the Latest News and Ratings for ATHE and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Alterity Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 10/03/2025$4.19$4.25+1.43%$4.27$4.0910,350 shs$37.70 million10/02/2025$3.95$4.19+6.08%$4.19$3.9318,764 shs$37.17 million10/01/2025$3.76$3.95+5.05%$4.01$3.8713,186 shs$35.03 million09/30/2025$3.93$3.76-4.33%$4.09$3.7539,664 shs$33.35 million09/29/2025$3.95$3.93-0.51%$4.06$3.8517,572 shs$34.86 million09/26/2025$4.06$3.95-2.71%$4.10$3.8919,184 shs$35.04 million09/25/2025$4.39$4.06-7.52%$4.21$4.0134,772 shs$36 million09/24/2025$4.46$4.39-1.57%$4.49$4.386,078 shs$38.94 million09/23/2025$4.43$4.46+0.68%$4.50$4.422,867 shs$39.56 million09/22/2025$4.48$4.43-1.12%$4.49$4.425,045 shs$39.28 million09/19/2025$4.38$4.48+2.28%$4.48$4.2410,501 shs$39.72 million Related Companies APLT Stock Chart ELDN Stock Chart THTX Stock Chart FATE Stock Chart NVCT Stock Chart CRDF Stock Chart MOLN Stock Chart ANRO Stock Chart ACOG Stock Chart CTOR Stock Chart Receive ATHE Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Alterity Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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