LSE · DIA · stock
Dialight plc (DIA) stock price history
Every LSE trading session of Dialight plc from Nov 30, 1993 to Nov 13, 2026: 7,429 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.
DIA adjusted close, 1993 to 2026
- £378.48
- All time high, 2000
- £6.26
- 52 week high, £2.70 low
- 7,429
- Daily sessions since 1993
Last updated Nov 13, 2026, the last stored session. Refreshes after each trading day. Full 1993 to 2026 series and minute bars.
DIA key facts
- Dialight plc (DIA) closed at £5.86 on Nov 13, 2026 on LSE.
- DIA's all time high close is £378.48, set on Oct 10, 2000; its all time low close is £0.8900 on Jan 20, 2025.
- DIA's 52 week range is £2.70 to £6.26.
- DIA returned +104.9% over the year to Nov 13, 2026 and +69.9% over five years.
- Over ten years DIA returned -16%, -1.8% a year compounded.
- DIA's deepest drawdown was -99.8% from Oct 11, 2000 to Jan 20, 2025.
- DataCedar holds 7,429 daily sessions of DIA history from Nov 30, 1993 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
DIA price chart, 1993 to 2026
DIA returns
Price return from the last close on or before the window start to Nov 13, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +2.1% |
| 3 months | +13.6% |
| 6 months | +102.1% |
| Year to date | +70.3% |
| 1 year | +104.9% |
| 3 years | +244.7% |
| 5 years | +69.9% |
| 10 years | -16.3% |
| Since Nov 30, 1993 | -97.6% |
| Compound annual growth, 33.0 years | -10.7% |
DIA records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £378.48 on Oct 10, 2000
- All time low close
- £0.8900 on Jan 20, 2025
- 52 week high
- £6.26 on Sep 1, 2026
- 52 week low
- £2.70 on Apr 7, 2026
- Deepest drawdown
- -99.8% from Oct 11, 2000 to Jan 20, 2025, not yet recovered
- Best single session
- +38.2% on Jun 24, 2025
- Worst single session
- -99.0% on Oct 28, 2005
- Volatility, 1 year annualised
- 45.2%
- Sessions closing higher, 1 year
- 47%
- Best calendar year
- 2025, +218%
- Worst calendar year
- 2005, -99%
DIA 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. 1993 starts on Nov 30, 1993; 2026 runs to Nov 13, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £3.48 | £6.26 | £2.70 | £5.86 | +67.4% | 20.1M | 211 |
| 2025 | £1.10 | £3.50 | £0.8600 | £3.50 | +218.2% | 16.2M | 206 |
| 2024 | £1.41 | £2.76 | £0.9394 | £1.10 | -25.2% | 5.6M | 185 |
| 2023 | £3.00 | £3.40 | £1.41 | £1.47 | -52.6% | 2M | 164 |
| 2022 | £3.30 | £3.85 | £2.25 | £3.10 | -6.1% | 3.6M | 181 |
| 2021 | £2.56 | £3.80 | £2.28 | £3.30 | +27.2% | 14.6M | 231 |
| 2020 | £2.33 | £3.40 | £1.58 | £2.59 | +8.6% | 11.7M | 225 |
| 2019 | £4.00 | £5.73 | £2.25 | £2.39 | -40.3% | 15M | 226 |
| 2018 | £5.50 | £7.00 | £2.90 | £4.00 | -27.3% | 13.9M | 243 |
| 2017 | £8.20 | £11.15 | £5.38 | £5.50 | -30.4% | 16.9M | 250 |
| 2016 | £4.70 | £8.30 | £3.80 | £7.90 | +75.6% | 12.9M | 253 |
| 2015 | £8.10 | £8.50 | £3.98 | £4.50 | -44.4% | 25.7M | 253 |
| 2014 | £8.60 | £9.92 | £6.19 | £8.10 | -5.4% | 22.1M | 253 |
| 2013 | £10.62 | £14.19 | £7.85 | £8.56 | -19.5% | 24.6M | 253 |
| 2012 | £6.90 | £12.48 | £6.80 | £10.63 | +52.1% | 25.5M | 251 |
| 2011 | £5.24 | £8.54 | £5.04 | £6.99 | +36.1% | 23.3M | 250 |
| 2010 | £2.23 | £5.30 | £2.20 | £5.13 | +134.3% | 14.6M | 177 |
| 2009 | £1.10 | £2.21 | £1.02 | £2.19 | +93.3% | 14.1M | 128 |
| 2008 | £1.16 | £1.92 | £1.02 | £1.13 | -11.3% | 1.4M | 99 |
| 2007 | £2.53 | £2.64 | £1.12 | £1.28 | -49.1% | 5.7M | 156 |
| 2006 | £2.53 | £3.06 | £1.91 | £2.51 | +0.4% | 17.2M | 183 |
| 2005 | £197.54 | £238.14 | £1.79 | £2.50 | -98.7% | 9.6M | 242 |
| 2004 | £128.88 | £210.89 | £128.26 | £197.54 | +53.3% | 10.3M | 189 |
| 2003 | £148.31 | £208.25 | £117.16 | £128.88 | -13.1% | 16.6M | 249 |
| 2002 | £225.55 | £298.67 | £123.59 | £148.31 | -34.2% | 12.6M | 261 |
| 2001 | £351.71 | £355.31 | £190.53 | £225.55 | -35.9% | 14.9M | 261 |
| 2000 | £261.08 | £381.06 | £185.38 | £351.71 | +34.7% | 11.5M | 260 |
| 1999 | £236.87 | £295.58 | £211.13 | £261.08 | +10.2% | 14.2M | 261 |
| 1998 | £192.38 | £292.90 | £160.66 | £236.87 | +23.1% | 14.2M | 261 |
| 1997 | £194.44 | £222.04 | £150.67 | £192.38 | -1.1% | 15.7M | 261 |
| 1996 | £269.21 | £315.96 | £123.58 | £194.44 | -27.8% | 30.8M | 262 |
| 1995 | £234.09 | £286.30 | £204.94 | £269.21 | +15.0% | 20.4M | 260 |
| 1994 | £288.09 | £296.21 | £228.01 | £234.09 | -18.7% | 9.9M | 260 |
| 1993 | £241.43 | £288.09 | £241.43 | £288.09 | n/a | 1.2M | 24 |
DIA monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | £5.86 | +5.8% |
| October 2026 | £5.54 | -6.4% |
| September 2026 | £5.92 | +6.9% |
| August 2026 | £5.54 | +17.1% |
| July 2026 | £4.73 | +11.3% |
| June 2026 | £4.25 | +7.6% |
| May 2026 | £3.95 | +36.2% |
| April 2026 | £2.90 | +3.6% |
| March 2026 | £2.80 | -4.8% |
| February 2026 | £2.94 | -11.7% |
| January 2026 | £3.33 | -4.9% |
| December 2025 | £3.50 | +8.7% |
About the DIA data
Daily bars. 7,429 sessions from Nov 30, 1993 to Nov 13, 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 4, 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 Nov 30, 1993, 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%3ADIA/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
DIA share price history
