Allergy Therapeutics (AGY) Stock Chart & Stock Price History GBX 8.18 +0.18 (+2.25%) As of 06:53 AM Eastern Add Compare Share Share Chart Stock AnalysisChartCompetitorsEarningsHeadlinesBuy This Stock Allergy Therapeutics Stock Price Performance The Allergy Therapeutics (AGY) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 97.58%, with a year-to-date return of 25.36%. In the past month, the stock has decreased 0.24%, reflecting recent market activity. As of the latest close, Allergy Therapeutics traded at GBX 7.85 with a market cap of £385.83 million and volume of 19,300 shares. Five years ago, the stock traded at GBX 15.50, representing a 47.23% decrease over that period. At the time, it had a market cap of £98.78 million and a volume of 103,850 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-5.98%1 Month Performance-0.24%3 Month Performance+18.55%Year-To-Date Performance+25.36%1 Year Performance+97.58%5 Year Performance-47.23% AGY Stock Chart for Friday, August, 29, 2025 AGY Chart by TradingView Allergy 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 Capitalization08/28/2025GBX 8.50GBX 7.85-7.65%GBX 8.20GBX 7.8519,300 shs£385.83 million08/27/2025GBX 8.70GBX 8.50-2.30%GBX 8.50GBX 7.5042,857 shs£417.78 million08/26/2025GBX 8.70GBX 8.70GBX 8.70GBX 7.5069,097 shs£427.61 million08/25/2025GBX 8.70GBX 8.70GBX 8.75GBX 8.2027,894 shs£427.61 million08/22/2025GBX 8.70GBX 8.70GBX 8.75GBX 8.2027,894 shs£427.61 million08/21/2025GBX 8.70GBX 8.70GBX 8.75GBX 7.5039,760 shs£427.61 million08/20/2025GBX 8.70GBX 8.70GBX 8.75GBX 7.7737,008 shs£427.61 million08/19/2025GBX 8.40GBX 8.70+3.57%GBX 8.75GBX 7.95195,123 shs£427.61 million08/18/2025GBX 7.50GBX 8.40+12.00%GBX 8.60GBX 7.95254,285 shs£412.87 million08/15/2025GBX 8.40GBX 7.50-10.71%GBX 8.60GBX 7.50141,139 shs£368.63 million Get the Latest News and Ratings for AGY and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Allergy Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 08/14/2025GBX 8.20GBX 8.40+2.44%GBX 8.40GBX 8257,674 shs£412.87 million08/13/2025GBX 8.25GBX 8.20-0.61%GBX 8.75GBX 7.95233,401 shs£403.04 million08/12/2025GBX 8.45GBX 8.25-2.37%GBX 8.50GBX 7.9360,231 shs£405.49 million08/11/2025GBX 8.75GBX 8.45-3.43%GBX 8.75GBX 7.88609,349 shs£415.32 million08/08/2025GBX 8.25GBX 8.75+6.06%GBX 8.75GBX 7.8925,213 shs£430.07 million08/07/2025GBX 8.25GBX 8.25GBX 8.50GBX 7.50123,812 shs£405.49 million08/06/2025GBX 8.50GBX 8.25-2.94%GBX 8.50GBX 7.50421,174 shs£405.49 million08/05/2025GBX 8.10GBX 8.50+4.94%GBX 8.50GBX 8.2457,317 shs£417.78 million08/04/2025GBX 8GBX 8.10+1.25%GBX 8.25GBX 7.50533,999 shs£398.12 million08/01/2025GBX 8GBX 8GBX 8.20GBX 866,300 shs£393.21 million07/31/2025GBX 8.40GBX 8-4.76%GBX 8.50GBX 7.66688,635 shs£393.21 million07/30/2025GBX 8.20GBX 8.40+2.44%GBX 8.50GBX 7.77904,418 shs£412.87 million07/29/2025GBX 8.50GBX 8.20-3.53%GBX 8.50GBX 81.37 million shs£403.04 million07/28/2025GBX 8GBX 8.50+6.25%GBX 8.50GBX 8.18139,351 shs£417.78 million Related Companies APH Stock Chart ANCR Stock Chart STX Stock Chart VLG Stock Chart EAH Stock Chart PXS Stock Chart CEL Stock Chart CHLL Stock Chart N4P Stock Chart HELD Stock Chart Receive AGY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Allergy Therapeutics and its competitors with MarketBeat's FREE daily newsletter. 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