LSE · ARC · stock
Arcontech Group plc (ARC) stock price history
Every LSE trading session of Arcontech Group plc from Dec 4, 2000 to Sep 28, 2026: 6,565 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.
ARC adjusted close, 2000 to 2026
- £19.96
- All time high, 2003
- £1.10
- 52 week high, £0.7030 low
- 6,565
- Daily sessions since 2000
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.
ARC key facts
- Arcontech Group plc (ARC) closed at £0.8400 on Sep 28, 2026 on LSE.
- ARC's all time high close is £19.96, set on Sep 22, 2003; its all time low close is £0.0873 on Dec 5, 2012.
- ARC's 52 week range is £0.7030 to £1.10.
- ARC returned -19.2% over the year to Sep 28, 2026 and -44.8% over five years.
- Over ten years ARC returned +60%, +4.8% a year compounded.
- ARC's deepest drawdown was -99.6% from Sep 22, 2003 to Dec 5, 2012.
- DataCedar holds 6,565 daily sessions of ARC history from Dec 4, 2000 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
ARC price chart, 2000 to 2026
ARC returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +7.0% |
| 3 months | +8.4% |
| 6 months | +12.0% |
| Year to date | -0.6% |
| 1 year | -19.2% |
| 3 years | -16.3% |
| 5 years | -44.8% |
| 10 years | +60.3% |
| Since Dec 4, 2000 | -86.5% |
| Compound annual growth, 25.8 years | -7.5% |
ARC records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £19.96 on Sep 22, 2003
- All time low close
- £0.0873 on Dec 5, 2012
- 52 week high
- £1.10 on Oct 2, 2025
- 52 week low
- £0.7030 on Apr 2, 2026
- Deepest drawdown
- -99.6% from Sep 22, 2003 to Dec 5, 2012, not yet recovered
- Best single session
- +120.0% on Aug 30, 2001
- Worst single session
- -34.7% on Oct 12, 2005
- Volatility, 1 year annualised
- 20.8%
- Sessions closing higher, 1 year
- 13%
- Best calendar year
- 2003, +143%
- Worst calendar year
- 2005, -68%
ARC 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. 2000 starts on Dec 4, 2000; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £0.8450 | £0.8969 | £0.7030 | £0.8400 | -0.6% | 3.3M | 187 |
| 2025 | £1.21 | £1.24 | £0.7297 | £0.8450 | -30.1% | 4M | 253 |
| 2024 | £0.9494 | £1.35 | £0.8419 | £1.21 | +27.4% | 4.2M | 254 |
| 2023 | £0.7892 | £1.05 | £0.6199 | £0.9494 | +20.3% | 3.6M | 251 |
| 2022 | £0.7988 | £0.9982 | £0.6915 | £0.7892 | -1.2% | 2.8M | 250 |
| 2021 | £1.90 | £1.98 | £0.7691 | £0.7988 | -57.9% | 6.4M | 253 |
| 2020 | £1.97 | £2.36 | £0.9982 | £1.90 | -3.5% | 6M | 254 |
| 2019 | £1.40 | £2.11 | £1.17 | £1.97 | +43.3% | 5.7M | 253 |
| 2018 | £0.6926 | £1.65 | £0.5843 | £1.37 | +99.3% | 6.9M | 253 |
| 2017 | £0.5074 | £0.7361 | £0.4691 | £0.6886 | +39.4% | 4.1M | 252 |
| 2016 | £0.2906 | £0.5862 | £0.2744 | £0.4939 | +76.0% | 3.2M | 253 |
| 2015 | £0.2245 | £0.4116 | £0.1310 | £0.2806 | +28.6% | 5.1M | 253 |
| 2014 | £0.2120 | £0.3243 | £0.1559 | £0.2183 | +9.4% | 8.4M | 253 |
| 2013 | £0.0748 | £0.2120 | £0.0624 | £0.1996 | +128.6% | 5.8M | 253 |
| 2012 | £0.1310 | £0.2370 | £0.0624 | £0.0873 | -33.3% | 3.2M | 251 |
| 2011 | £0.2058 | £0.3867 | £0.0998 | £0.1310 | -36.4% | 3.3M | 252 |
| 2010 | £0.2931 | £0.5987 | £0.0998 | £0.2058 | -40.0% | 2.3M | 253 |
| 2009 | £0.3118 | £0.6237 | £0.0935 | £0.3430 | +10.0% | 557.6K | 253 |
| 2008 | £0.9417 | £1.25 | £0.2744 | £0.3118 | -66.9% | 267.9K | 254 |
| 2007 | £1.97 | £2.31 | £0.7596 | £0.9417 | -53.4% | 598.5K | 253 |
| 2006 | £2.18 | £3.67 | £0.6075 | £2.02 | -7.4% | 1.4M | 252 |
| 2005 | £6.92 | £10.49 | £1.46 | £2.18 | -68.5% | 728.8K | 260 |
| 2004 | £11.74 | £18.09 | £4.99 | £6.92 | -41.0% | 707.6K | 262 |
| 2003 | £4.83 | £19.96 | £2.96 | £11.74 | +143.2% | 803.5K | 261 |
| 2002 | £8.73 | £10.48 | £3.12 | £4.83 | -42.7% | 190.4K | 261 |
| 2001 | £5.61 | £10.23 | £2.49 | £8.42 | +50.0% | 129.1K | 261 |
| 2000 | £6.24 | £6.55 | £5.61 | £5.61 | n/a | 10.1K | 20 |
ARC monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | £0.8400 | +7.0% |
| August 2026 | £0.7850 | -0.6% |
| July 2026 | £0.7900 | -5.4% |
| June 2026 | £0.8350 | +10.6% |
| May 2026 | £0.7550 | -2.6% |
| April 2026 | £0.7750 | +4.7% |
| March 2026 | £0.7400 | -13.5% |
| February 2026 | £0.8550 | +2.4% |
| January 2026 | £0.8350 | -1.2% |
| December 2025 | £0.8450 | -3.4% |
| November 2025 | £0.8750 | -6.9% |
| October 2025 | £0.9400 | -12.5% |
About the ARC data
Daily bars. 6,565 sessions from Dec 4, 2000 to Sep 28, 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 Sep 28, 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 Dec 4, 2000, 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/ARC/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
ARC share price history
