Go Pro
→ Iran War Shock: What I Was Told In That Private Meeting (From Banyan Hill Publishing) (Ad)tc pixel Free AGY Stock Alerts

Allergy Therapeutics (AGY) Stock Chart & Stock Price History

Allergy Therapeutics logo
GBX 5.10 -0.15 (-2.86%)
As of 08/21/2026 12:44 PM Eastern
Compare

Allergy Therapeutics Stock Price Performance

5 Day
Performance
-3.52%
1 Month
Performance
-13.56%
3 Month
Performance
-43.33%
Year-To-Date
Performance
-54.46%
1 Year
Performance
-41.38%
5 Year
Performance
-84.19%

AGY Stock Chart for Sunday, August, 23, 2026

30 Days 90 Days 1 Year

The Allergy Therapeutics (AGY) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 41.38%, with a year-to-date return of -54.46%. In the past month, the stock has decreased 13.56%, reflecting recent market activity.

As of the latest close, Allergy Therapeutics traded at GBX 5.10 with a market cap of £322.96 million and volume of 443,731 shares. Five years ago, the stock traded at GBX 32.25, representing a 84.19% decrease over that period. At the time, it had a market cap of £206.98 million and a volume of 3.71 million shares. View the advanced AGY chart on TradingView.

Receive AGY Stock News and Ratings via Email

Sign-up to receive the latest news and ratings for Allergy Therapeutics and its competitors with MarketBeat's FREE daily newsletter.

Subscribe Now
SMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By 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. Unsubscribe at any time by replying "STOP" to any text message that you receive from MarketBeat or by visiting our mailing preferences page. Read our full terms of service and privacy policy.

Allergy Therapeutics Stock Price History

Export
DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization
08/21/2026GBX 5.39GBX 5.10
-5.38%		GBX 5.48GBX 5.10443,731 shs£322.96 million
08/20/2026GBX 5.50GBX 5.39
-2.00%		GBX 5.39GBX 5.08220,000 shs£341.32 million
08/19/2026GBX 5.29GBX 5.50
+4.05%		GBX 5.50GBX 5.254,137 shs£348.29 million
08/18/2026GBX 5.28GBX 5.29
+0.21%		GBX 5.39GBX 5.2519,451 shs£334.74 million
08/17/2026GBX 5.42GBX 5.28
-2.68%		GBX 5.50GBX 5.2827,183 shs£334.04 million
08/14/2026GBX 5.43GBX 5.42
-0.09%		GBX 5.50GBX 5.40201,802 shs£343.22 million
08/13/2026GBX 5.24GBX 5.43
+3.53%		GBX 5.43GBX 5.198.79 million shs£332.46 million
08/12/2026GBX 5.18GBX 5.24
+1.26%		GBX 5.25GBX 5.11395,832 shs£331.83 million
08/11/2026GBX 5.70GBX 5.18
-9.21%		GBX 5.69GBX 5525,312 shs£327.71 million
08/10/2026GBX 5.50GBX 5.70
+3.64%		GBX 6GBX 51.23 million shs£348.29 million
08/07/2026GBX 5.31GBX 5.50
+3.62%		GBX 6GBX 5.481.24 million shs£332.46 million
08/06/2026GBX 5GBX 5.31
+6.16%		GBX 5.50GBX 51.39 million shs£336.13 million
08/05/2026GBX 5.40GBX 5
-7.41%		GBX 5.50GBX 5140,799 shs£316.63 million
08/04/2026GBX 5.70GBX 5.40
-5.26%		GBX 6.26GBX 5.2417,312 shs£360.95 million
08/03/2026GBX 5.98GBX 5.70
-4.68%		GBX 6GBX 555,730 shs£360.95 million
07/31/2026GBX 5.44GBX 5.98
+9.93%		GBX 5.98GBX 5.5331,940 shs£378.69 million
07/30/2026GBX 5.90GBX 5.44
-7.80%		GBX 5.76GBX 5679,616 shs£344.49 million
07/29/2026GBX 5.38GBX 5.90
+9.67%		GBX 6GBX 5595,174 shs£373.62 million
07/28/2026GBX 5.40GBX 5.38
-0.37%		GBX 5.70GBX 588,886 shs£340.69 million
07/27/2026GBX 5.98GBX 5.40
-9.70%		GBX 6.12GBX 5.23723,253 shs£341.96 million
07/24/2026GBX 5.90GBX 5.98
+1.36%		GBX 6.04GBX 5.9883,008 shs£378.69 million
07/23/2026GBX 5.50GBX 5.90
+7.27%		GBX 6GBX 5143,181 shs£373.62 million
07/22/2026GBX 6.20GBX 5.50
-11.29%		GBX 6.80GBX 5.40370,638 shs£348.29 million
Related Companies

This page (LON:AGY) was last updated on 8/21/2026 by MarketBeat.com Staff.
From Our Partners
ALERT: Drop these 5 stocks before the market opens tomorrow!
The Wall Street Journal is already raising the alarm about a potential market crash, and Weiss Ratings researc...
Weiss Ratings | Sponsoredtc pixel
Louis Navellier: My #1 AI stock for 2026 (name & ticker inside)
Louis Navellier's Stock Grader system helped him flag Nvidia before its 82,000% run and has identified the top...
InvestorPlace | Sponsoredtc pixel
Ready to give options a try? Your first trade (Ticker included) -INSIDE
Tired of trying tactic after tactic when it comes to options trades... only to be met with market noise and st...
Base Camp Trading | Sponsoredtc pixel
Trump Takes Emergency Action - Plus Elon Musk's New Venture
Elon Musk has quietly launched a new venture - one that has nothing to do with rockets, EVs, or Neuralink. Tru...
Altimetry | Sponsoredtc pixel
Iran War Shock: What I Was Told In That Private Meeting
You’re Being LIED To About The Iran War Forget EVERYTHING you’ve heard about the Iran war. Especially th...
Banyan Hill Publishing | Sponsoredtc pixel
My top 3 AI picks for the next decade
Alexander Green bought Apple in 1996, recommended Nvidia at a split-adjusted 66 cents in 2004, and picked up A...
The Oxford Club | Sponsoredtc pixel
Buy this stock today
Marc Chaikin, founder of Chaikin Analytics, is sharing a strategy he calls 'Sell This, Buy That' - a way to mo...
Chaikin Analytics | Sponsoredtc pixel
Here’s the stock symbol I’ve promised
Whitney Tilson of Stansberry Research has long recommended Berkshire Hathaway as a core retirement holding - b...
Stansberry Research | Sponsoredtc pixel