LSE · BUC · stock
Built Cybernetics plc (BUC) stock price history
Every LSE trading session of Built Cybernetics plc from Jul 1, 1988 to Nov 13, 2026: 8,150 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.
BUC adjusted close, 1988 to 2026
- £0.4897
- All time high, 1989
- £0.0250
- 52 week high, £0.0002 low
- 8,150
- Daily sessions since 1988
Last updated Nov 13, 2026, the last stored session. Refreshes after each trading day. Full 1988 to 2026 series and minute bars.
BUC key facts
- Built Cybernetics plc (BUC) closed at £0.0145 on Nov 13, 2026 on LSE.
- BUC's all time high close is £0.4897, set on Jun 27, 1989; its all time low close is £0.0002 on Sep 28, 2026.
- BUC's 52 week range is £0.0002 to £0.0250.
- BUC returned -23.7% over the year to Nov 13, 2026 and -27.5% over five years.
- Over ten years BUC returned -63%, -9.4% a year compounded.
- BUC's deepest drawdown was -100.0% from Jun 29, 1989 to Sep 28, 2026.
- DataCedar holds 8,150 daily sessions of BUC history from Jul 1, 1988 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
BUC price chart, 1988 to 2026
BUC returns
Price return from the last close on or before the window start to Nov 13, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -14.7% |
| 3 months | -9.4% |
| 6 months | -12.1% |
| Year to date | -27.5% |
| 1 year | -23.7% |
| 3 years | +28.9% |
| 5 years | -27.5% |
| 10 years | -62.6% |
| Since Jul 1, 1988 | -95.9% |
| Compound annual growth, 38.4 years | -8.0% |
BUC records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £0.4897 on Jun 27, 1989
- All time low close
- £0.0002 on Sep 28, 2026
- 52 week high
- £0.0250 on Jan 29, 2026
- 52 week low
- £0.0002 on Sep 28, 2026
- Deepest drawdown
- -100.0% from Jun 29, 1989 to Sep 28, 2026, not yet recovered
- Best single session
- +9,900% on Oct 5, 2026
- Worst single session
- -99.0% on Sep 28, 2026
- Volatility, 1 year annualised
- 654.4%
- Sessions closing higher, 1 year
- 14%
- Best calendar year
- 2006, +487%
- Worst calendar year
- 2001, -76%
BUC 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. 1988 starts on Jul 1, 1988; 2026 runs to Nov 13, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £0.0200 | £0.0250 | £0.0002 | £0.0145 | -27.5% | 42.2M | 147 |
| 2025 | £0.0160 | £0.0250 | £0.0140 | £0.0200 | +25.0% | 31.3M | 137 |
| 2024 | £0.0085 | £0.0179 | £0.0081 | £0.0160 | +88.2% | 34.5M | 127 |
| 2023 | £0.0225 | £0.0285 | £0.0071 | £0.0085 | -62.2% | 9.2M | 169 |
| 2022 | £0.0215 | £0.0250 | £0.0131 | £0.0225 | +4.7% | 21.1M | 131 |
| 2021 | £0.0160 | £0.0230 | £0.0130 | £0.0215 | +34.4% | 10M | 155 |
| 2020 | £0.0195 | £0.0300 | £0.0100 | £0.0160 | -17.9% | 10.4M | 154 |
| 2019 | £0.0130 | £0.0233 | £0.0082 | £0.0195 | +50.0% | 16.5M | 153 |
| 2018 | £0.0211 | £0.0300 | £0.0100 | £0.0130 | -48.0% | 20.1M | 161 |
| 2017 | £0.0338 | £0.0375 | £0.0176 | £0.0250 | -25.9% | 11.6M | 155 |
| 2016 | £0.0687 | £41.25 | £0.0300 | £0.0338 | -49.0% | 9.8M | 138 |
| 2015 | £0.0700 | £0.0842 | £0.0550 | £0.0662 | -5.3% | 10.3M | 148 |
| 2014 | £0.0784 | £0.1024 | £0.0587 | £0.0700 | -9.7% | 13.3M | 158 |
| 2013 | £0.0275 | £0.0799 | £0.0212 | £0.0774 | +181.9% | 11.2M | 143 |
| 2012 | £0.0325 | £0.0424 | £0.0200 | £0.0275 | -4.3% | 2.8M | 156 |
| 2011 | £0.0300 | £0.0375 | £0.0175 | £0.0287 | -4.2% | 7.8M | 178 |
| 2010 | £0.0425 | £0.0500 | £0.0205 | £0.0300 | -29.4% | 7.7M | 247 |
| 2009 | £0.0529 | £0.0786 | £0.0300 | £0.0425 | -20.9% | 6.9M | 246 |
| 2008 | £0.1074 | £0.1094 | £0.0499 | £0.0537 | -50.0% | 20.5M | 248 |
| 2007 | £0.1336 | £0.1837 | £0.0959 | £0.1074 | -19.6% | 39.8M | 236 |
| 2006 | £0.0228 | £0.1373 | £0.0175 | £0.1336 | +486.6% | 37.9M | 237 |
| 2005 | £0.0225 | £0.0465 | £0.0200 | £0.0228 | +1.3% | 7.1M | 247 |
| 2004 | £0.0409 | £0.0699 | £0.0225 | £0.0225 | -35.7% | 14.1M | 241 |
| 2003 | £0.0368 | £0.0424 | £0.0200 | £0.0350 | -6.7% | 9M | 258 |
| 2002 | £0.0430 | £0.0749 | £0.0200 | £0.0374 | -16.7% | 16.3M | 258 |
| 2001 | £0.1847 | £0.1897 | £0.0396 | £0.0449 | -75.7% | 23.8M | 261 |
| 2000 | £0.1996 | £0.2595 | £0.1497 | £0.1847 | -7.5% | 39.3M | 260 |
| 1999 | £0.0773 | £0.2570 | £0.0649 | £0.1996 | +158.1% | 52.5M | 261 |
| 1998 | £0.0549 | £0.0848 | £0.0499 | £0.0773 | +40.9% | 18.5M | 261 |
| 1997 | £0.0350 | £0.0634 | £0.0324 | £0.0549 | +56.9% | 18M | 261 |
| 1996 | £0.0561 | £0.0561 | £0.0350 | £0.0350 | -37.7% | 1.8M | 262 |
| 1995 | £0.0810 | £0.0810 | £0.0561 | £0.0561 | -30.7% | 0 | 260 |
| 1994 | £0.0515 | £0.1353 | £0.0515 | £0.0810 | +57.2% | 0 | 260 |
| 1993 | £0.0239 | £0.0736 | £0.0221 | £0.0515 | +115.4% | 0 | 261 |
| 1992 | £0.0957 | £0.0957 | £0.0129 | £0.0239 | -75.0% | 0 | 262 |
| 1991 | £0.1657 | £0.1804 | £0.0957 | £0.0957 | -42.2% | 0 | 261 |
| 1990 | £0.4160 | £0.4528 | £0.1583 | £0.1657 | -60.2% | 0 | 261 |
| 1989 | £0.3424 | £0.4897 | £0.3314 | £0.4160 | +21.5% | 0 | 260 |
| 1988 | £0.3534 | £0.3608 | £0.3350 | £0.3424 | n/a | 0 | 131 |
BUC monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | £0.0145 | -14.7% |
| October 2026 | £0.0170 | +10,203% |
| September 2026 | £0.0002 | -99.1% |
| August 2026 | £0.0190 | +26.7% |
| July 2026 | £0.0150 | -3.2% |
| June 2026 | £0.0155 | 0.0% |
| May 2026 | £0.0155 | -8.8% |
| April 2026 | £0.0170 | -8.1% |
| March 2026 | £0.0185 | -19.6% |
| February 2026 | £0.0230 | -2.1% |
| January 2026 | £0.0235 | +17.5% |
| December 2025 | £0.0200 | +2.6% |
About the BUC data
Daily bars. 8,150 sessions from Jul 1, 1988 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 3, 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 Jul 1, 1988, 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%3ABUC/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
BUC share price history
