Allergy Therapeutics (AGY) Stock Chart & Stock Price History GBX 8.30 +0.30 (+3.75%) As of 11:50 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 66.00%, with a year-to-date return of 27.20%. In the past month, the stock has remained steady at 0.00%, reflecting recent market activity. As of the latest close, Allergy Therapeutics traded at GBX 8 with a market cap of £381.32 million and volume of 114,745 shares. Five years ago, the stock traded at GBX 15.25, representing a 45.57% decrease over that period. At the time, it had a market cap of £97.19 million and a volume of 31,017 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-1.78%1 Month Performance0.00%3 Month Performance+0.61%Year-To-Date Performance+27.20%1 Year Performance+66.00%5 Year Performance-45.57% AGY Stock Chart for Thursday, October, 16, 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 Capitalization10/15/2025GBX 8GBX 8GBX 8.50GBX 7.70114,745 shs£381.32 million10/14/2025GBX 8.50GBX 8-5.88%GBX 8.50GBX 7.88103,404 shs£381.32 million10/13/2025GBX 8.45GBX 8.50+0.59%GBX 8.50GBX 7.86309,639 shs£405.15 million10/10/2025GBX 8GBX 8.45+5.62%GBX 8.50GBX 7.86158,432 shs£402.76 million10/09/2025GBX 8GBX 8GBX 8.45GBX 7.86146,846 shs£381.32 million10/08/2025GBX 8GBX 8GBX 8.45GBX 895,000 shs£381.32 million10/07/2025GBX 8.30GBX 8-3.61%GBX 8.45GBX 7.85665,596 shs£381.32 million10/06/2025GBX 8.50GBX 8.30-2.35%GBX 8.70GBX 7.95316,498 shs£395.62 million10/03/2025GBX 8.50GBX 8.50GBX 8.50GBX 7.50363,632 shs£405.15 million10/02/2025GBX 8.45GBX 8.50+0.59%GBX 8.50GBX 7.5097,333 shs£405.15 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. 10/01/2025GBX 8.45GBX 8.45GBX 8.50GBX 7.50121,620 shs£402.76 million09/30/2025GBX 8.50GBX 8.45-0.59%GBX 8.50GBX 7.5077,763 shs£402.76 million09/29/2025GBX 8.30GBX 8.50+2.41%GBX 8.50GBX 7.5065,421 shs£405.15 million09/26/2025GBX 8.30GBX 8.30GBX 8.48GBX 7.89301,561 shs£395.62 million09/25/2025GBX 8GBX 8.30+3.75%GBX 8.50GBX 8.02141,738 shs£395.62 million09/24/2025GBX 8.30GBX 8-3.61%GBX 8.50GBX 846,698 shs£381.32 million09/23/2025GBX 7.50GBX 8.30+10.67%GBX 8.30GBX 833,500 shs£395.62 million09/22/2025GBX 8.30GBX 7.50-9.64%GBX 8.50GBX 7.50119,036 shs£357.48 million09/19/2025GBX 8.30GBX 8.30GBX 8.33GBX 7.8751,600 shs£395.62 million09/18/2025GBX 7.83GBX 8.30+6.06%GBX 8.30GBX 7.84166,751 shs£395.62 million09/17/2025GBX 8.30GBX 7.83-5.71%GBX 8.50GBX 7.50787,704 shs£373.02 million09/16/2025GBX 8.30GBX 8.30GBX 8.30GBX 7.78373,247 shs£395.62 million09/15/2025GBX 8.30GBX 8.30GBX 8.30GBX 7.76381,253 shs£395.62 million Related Companies APH Stock Chart BXP 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 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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