LSE · BIG · stock
Big Technologies PLC (BIG) stock price history
Every LSE trading session of Big Technologies PLC from Jul 28, 2021 to Sep 28, 2026: 1,305 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.
BIG adjusted close, 2021 to 2026
- £3.71
- All time high, 2021
- £1.15
- 52 week high, £0.5617 low
- 1,305
- Daily sessions since 2021
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.
BIG key facts
- Big Technologies PLC (BIG) closed at £0.9700 on Sep 28, 2026 on LSE.
- BIG's all time high close is £3.71, set on Sep 14, 2021; its all time low close is £0.6100 on Nov 27, 2025.
- BIG's 52 week range is £0.5617 to £1.15.
- BIG returned +16.9% over the year to Sep 28, 2026 and -73.1% over five years.
- Since Jul 28, 2021 BIG returned -67%, -19.4% a year compounded.
- BIG's deepest drawdown was -83.5% from Sep 14, 2021 to Nov 27, 2025.
- DataCedar holds 1,305 daily sessions of BIG history from Jul 28, 2021 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
BIG price chart, 2021 to 2026
BIG returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -3.0% |
| 3 months | +0.4% |
| 6 months | +16.9% |
| Year to date | +27.6% |
| 1 year | +16.9% |
| 3 years | -52.9% |
| 5 years | -73.1% |
| 10 years | n/a |
| Since Jul 28, 2021 | -67.1% |
| Compound annual growth, 5.2 years | -19.4% |
BIG records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £3.71 on Sep 14, 2021
- All time low close
- £0.6100 on Nov 27, 2025
- 52 week high
- £1.15 on Feb 25, 2026
- 52 week low
- £0.5617 on Nov 25, 2025
- Deepest drawdown
- -83.5% from Sep 14, 2021 to Nov 27, 2025, not yet recovered
- Best single session
- +28.2% on May 8, 2025
- Worst single session
- -27.8% on Mar 18, 2025
- Volatility, 1 year annualised
- 38.0%
- Sessions closing higher, 1 year
- 45%
- Best calendar year
- 2022, -17%
- Worst calendar year
- 2025, -45%
BIG 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. 2021 starts on Jul 28, 2021; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £0.7600 | £1.15 | £0.7500 | £0.9700 | +28.3% | 70.7M | 187 |
| 2025 | £1.36 | £1.38 | £0.5617 | £0.7560 | -45.2% | 137.9M | 253 |
| 2024 | £1.77 | £1.85 | £0.7120 | £1.38 | -22.0% | 103.6M | 254 |
| 2023 | £2.74 | £3.00 | £1.68 | £1.77 | -34.3% | 62M | 251 |
| 2022 | £3.34 | £3.34 | £1.88 | £2.70 | -17.1% | 22.5M | 250 |
| 2021 | £2.80 | £3.85 | £2.50 | £3.25 | n/a | 12.9M | 110 |
BIG monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | £0.9700 | -3.0% |
| August 2026 | £1.00 | +2.0% |
| July 2026 | £0.9800 | +2.1% |
| June 2026 | £0.9600 | -9.4% |
| May 2026 | £1.06 | +6.4% |
| April 2026 | £0.9960 | +18.3% |
| March 2026 | £0.8420 | -23.5% |
| February 2026 | £1.10 | +5.3% |
| January 2026 | £1.05 | +38.2% |
| December 2025 | £0.7560 | +23.9% |
| November 2025 | £0.6100 | -10.3% |
| October 2025 | £0.6800 | -18.3% |
About the BIG data
Daily bars. 1,305 sessions from Jul 28, 2021 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 Jul 28, 2021, 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/BIG/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
BIG share price history
