LSE · BUC · stock
Built Cybernetics plc (BUC) stock price history
Every LSE trading session of Built Cybernetics plc from Jul 1, 1988 to Sep 25, 2026: 9,805 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, £0.0130 low
- 9,805
- Daily sessions since 1988
Last updated Sep 25, 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 £0.0165 on Sep 25, 2026 on LSE.
- BUC's all time high close is £0.4897, set on Jun 27, 1989; its all time low close is £0.0085 on Dec 7, 2023.
- BUC's 52 week range is £0.0130 to £0.0250.
- BUC returned -26.7% over the year to Sep 25, 2026 and -17.5% over five years.
- Over ten years BUC returned -62%, -9.3% a year compounded.
- BUC's deepest drawdown was -98.3% from Jun 29, 1989 to Dec 7, 2023.
- DataCedar holds 9,805 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 Sep 25, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -15.4% |
| 3 months | +6.5% |
| 6 months | -13.2% |
| Year to date | -17.5% |
| 1 year | -26.7% |
| 3 years | -9.6% |
| 5 years | -17.5% |
| 10 years | -62.3% |
| Since Jul 1, 1988 | -95.3% |
| Compound annual growth, 38.2 years | -7.7% |
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
- £0.0085 on Dec 7, 2023
- 52 week high
- £0.0250 on Jan 29, 2026
- 52 week low
- £0.0130 on Jul 16, 2026
- Deepest drawdown
- -98.3% from Jun 29, 1989 to Dec 7, 2023, not yet recovered
- Best single session
- +123.1% on Sep 20, 2011
- Worst single session
- -57.9% on Jul 28, 1992
- Volatility, 1 year annualised
- 37.9%
- Sessions closing higher, 1 year
- 10%
- 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 Sep 25, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £0.0200 | £0.0250 | £0.0130 | £0.0165 | -17.5% | 42.9M | 186 |
| 2025 | £0.0160 | £0.0250 | £0.0140 | £0.0200 | +25.0% | 47.5M | 253 |
| 2024 | £0.0085 | £0.0180 | £0.0081 | £0.0160 | +88.2% | 61.3M | 254 |
| 2023 | £0.0225 | £0.0300 | £0.0071 | £0.0085 | -62.2% | 21.6M | 251 |
| 2022 | £0.0215 | £0.0250 | £0.0129 | £0.0225 | +4.7% | 43.8M | 250 |
| 2021 | £0.0160 | £0.0230 | £0.0130 | £0.0215 | +34.4% | 18M | 253 |
| 2020 | £0.0195 | £0.0315 | £0.0075 | £0.0160 | -17.9% | 39.8M | 254 |
| 2019 | £0.0130 | £0.0234 | £0.0082 | £0.0195 | +50.0% | 28M | 253 |
| 2018 | £0.0211 | £0.0300 | £0.0100 | £0.0130 | -48.0% | 26.3M | 253 |
| 2017 | £0.0367 | £0.0375 | £0.0165 | £0.0250 | -25.9% | 17.1M | 252 |
| 2016 | £0.0687 | £41.25 | £0.0300 | £0.0338 | -49.0% | 16.1M | 253 |
| 2015 | £0.0700 | £0.0850 | £0.0550 | £0.0662 | -5.3% | 14.6M | 253 |
| 2014 | £0.0757 | £0.1024 | £0.0587 | £0.0700 | -9.7% | 16.5M | 253 |
| 2013 | £0.0275 | £0.0799 | £0.0190 | £0.0774 | +181.9% | 14.4M | 253 |
| 2012 | £0.0325 | £0.0424 | £0.0200 | £0.0275 | -4.3% | 5.9M | 251 |
| 2011 | £0.0300 | £0.0375 | £0.0150 | £0.0287 | -4.2% | 11.6M | 252 |
| 2010 | £0.0425 | £0.0500 | £0.0205 | £0.0300 | -29.4% | 7.9M | 253 |
| 2009 | £0.0529 | £0.0786 | £0.0300 | £0.0425 | -20.9% | 7.1M | 253 |
| 2008 | £0.1074 | £0.1094 | £0.0499 | £0.0537 | -50.0% | 20.8M | 254 |
| 2007 | £0.1336 | £0.1837 | £0.0959 | £0.1074 | -19.6% | 45M | 253 |
| 2006 | £0.0228 | £0.1378 | £0.0175 | £0.1336 | +486.6% | 41.4M | 252 |
| 2005 | £0.0225 | £0.0465 | £0.0200 | £0.0228 | +1.3% | 8M | 260 |
| 2004 | £0.0409 | £0.0699 | £0.0225 | £0.0225 | -35.7% | 15.3M | 262 |
| 2003 | £0.0368 | £0.0424 | £0.0200 | £0.0350 | -6.7% | 9.5M | 261 |
| 2002 | £0.0430 | £0.0749 | £0.0200 | £0.0374 | -16.7% | 16.4M | 261 |
| 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 |
|---|---|---|
| September 2026 | £0.0165 | -13.2% |
| August 2026 | £0.0190 | +26.7% |
| July 2026 | £0.0150 | -3.2% |
| June 2026 | £0.0155 | +1.6% |
| May 2026 | £0.0152 | -10.3% |
| 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% |
| November 2025 | £0.0195 | +5.4% |
| October 2025 | £0.0185 | -17.8% |
About the BUC data
Daily bars. 9,805 sessions from Jul 1, 1988 to Sep 25, 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 25, 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/BUC/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
BUC share price history
