LSE · AGY · stock
Allergy Therapeutics plc (AGY) stock price history
Every LSE trading session of Allergy Therapeutics plc from Oct 11, 2004 to Nov 12, 2026: 4,514 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.
AGY adjusted close, 2004 to 2026
- £1.41
- All time high, 2007
- £0.1210
- 52 week high, £0.0110 low
- 4,514
- Daily sessions since 2004
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2004 to 2026 series and minute bars.
AGY key facts
- Allergy Therapeutics plc (AGY) closed at £0.0149 on Nov 12, 2026 on LSE.
- AGY's all time high close is £1.41, set on Feb 5, 2007; its all time low close is £0.0088 on Jun 28, 2023.
- AGY's 52 week range is £0.0110 to £0.1210.
- AGY returned -82.7% over the year to Nov 12, 2026 and -95.9% over five years.
- Over ten years AGY returned -93%, -23.3% a year compounded.
- AGY's deepest drawdown was -99.4% from Feb 5, 2007 to Jun 28, 2023.
- DataCedar holds 4,514 daily sessions of AGY history from Oct 11, 2004 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
AGY price chart, 2004 to 2026
AGY returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -68.6% |
| 3 months | -71.6% |
| 6 months | -84.9% |
| Year to date | -86.8% |
| 1 year | -82.7% |
| 3 years | +2.8% |
| 5 years | -95.9% |
| 10 years | -93.0% |
| Since Oct 11, 2004 | -98.0% |
| Compound annual growth, 22.1 years | -16.2% |
AGY records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £1.41 on Feb 5, 2007
- All time low close
- £0.0088 on Jun 28, 2023
- 52 week high
- £0.1210 on Jan 15, 2026
- 52 week low
- £0.0110 on Nov 3, 2026
- Deepest drawdown
- -99.4% from Feb 5, 2007 to Jun 28, 2023, not yet recovered
- Best single session
- +49.2% on May 16, 2014
- Worst single session
- -82.0% on Jun 20, 2023
- Volatility, 1 year annualised
- 111.8%
- Sessions closing higher, 1 year
- 36%
- Best calendar year
- 2014, +206%
- Worst calendar year
- 2022, -81%
AGY price history by year
Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2004 starts on Oct 11, 2004; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £0.1100 | £0.1210 | £0.0110 | £0.0149 | -86.8% | 87.1M | 184 |
| 2025 | £0.0650 | £0.1200 | £0.0500 | £0.1130 | +73.8% | 89.1M | 235 |
| 2024 | £0.0250 | £0.0700 | £0.0180 | £0.0650 | +160.0% | 138.2M | 238 |
| 2023 | £0.0625 | £0.0625 | £0.0080 | £0.0250 | -60.0% | 185.9M | 237 |
| 2022 | £0.3075 | £0.3188 | £0.0438 | £0.0625 | -80.6% | 23M | 178 |
| 2021 | £0.1663 | £0.4050 | £0.1563 | £0.3225 | +94.0% | 71.6M | 230 |
| 2020 | £0.1025 | £0.2150 | £0.0700 | £0.1663 | +63.0% | 65.8M | 193 |
| 2019 | £0.1373 | £0.1570 | £0.0809 | £0.1020 | -25.1% | 297.8M | 146 |
| 2018 | £0.2924 | £0.3200 | £0.1350 | £0.1363 | -52.2% | 41.7M | 163 |
| 2017 | £0.2055 | £0.3950 | £0.2055 | £0.2850 | +36.5% | 72.6M | 234 |
| 2016 | £0.2850 | £0.3000 | £0.1725 | £0.2088 | -29.2% | 51.7M | 199 |
| 2015 | £0.2425 | £0.3482 | £0.1905 | £0.2950 | +20.4% | 34.2M | 180 |
| 2014 | £0.0800 | £0.3300 | £0.0775 | £0.2450 | +206.3% | 77.6M | 176 |
| 2013 | £0.1125 | £0.1270 | £0.0675 | £0.0800 | -29.7% | 79.5M | 141 |
| 2012 | £0.1005 | £0.1424 | £0.0700 | £0.1138 | +11.0% | 92.6M | 124 |
| 2011 | £0.0825 | £0.1848 | £0.0680 | £0.1025 | +32.3% | 53.9M | 169 |
| 2010 | £0.1475 | £0.1480 | £0.0638 | £0.0775 | -47.5% | 29.3M | 240 |
| 2009 | £0.1050 | £0.2200 | £0.0600 | £0.1475 | +40.5% | 16.4M | 240 |
| 2008 | £0.3900 | £0.4149 | £0.0725 | £0.1050 | -73.1% | 28.1M | 242 |
| 2007 | £0.9750 | £1.46 | £0.3700 | £0.3900 | -60.0% | 40M | 250 |
| 2006 | £0.7650 | £1.20 | £0.7500 | £0.9750 | +26.6% | 31.1M | 197 |
| 2005 | £0.8701 | £1.27 | £0.6700 | £0.7700 | -16.3% | 51.2M | 260 |
| 2004 | £0.7750 | £0.9347 | £0.7085 | £0.9200 | n/a | 2.6M | 58 |
AGY monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | £0.0149 | -66.9% |
| October 2026 | £0.0450 | -5.3% |
| September 2026 | £0.0475 | -16.7% |
| August 2026 | £0.0570 | +4.8% |
| July 2026 | £0.0544 | -23.4% |
| June 2026 | £0.0710 | -21.1% |
| May 2026 | £0.0900 | -17.8% |
| April 2026 | £0.1095 | +6.3% |
| March 2026 | £0.1030 | -14.2% |
| February 2026 | £0.1200 | +0.8% |
| January 2026 | £0.1190 | +5.3% |
| December 2025 | £0.1130 | +14.1% |
About the AGY data
Daily bars. 4,514 sessions from Oct 11, 2004 to Nov 12, 2026, one row per LSE trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.
Minute bars. Stored from Sep 17, 2026 forward, most recent session Nov 2, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.
Time and currency. Session dates are LSE trading days; minute timestamps are UTC. Prices are in GBP. Volume is shares traded on the session.
Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Oct 11, 2004, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.
curl "https://api.datacedar.com/v3/stocks/lse%3AAGY/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
AGY share price history
