LSE · OSB · stock
OSB Group Plc (OSB) stock price history
Every LSE trading session of OSB Group Plc from Jun 5, 2014 to Sep 28, 2026: 3,113 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.
OSB adjusted close, 2014 to 2026
- £6.43
- All time high, 2025
- £6.47
- 52 week high, £4.79 low
- 3,113
- Daily sessions since 2014
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2014 to 2026 series and minute bars.
OSB key facts
- OSB Group Plc (OSB) closed at £5.09 on Sep 28, 2026 on LSE.
- OSB's all time high close is £6.43, set on Dec 30, 2025; its all time low close is £1.59 on Jul 11, 2014.
- OSB's 52 week range is £4.79 to £6.47.
- OSB returned -8.2% over the year to Sep 28, 2026 and +2.5% over five years.
- Over ten years OSB returned +96%, +7.0% a year compounded.
- OSB's deepest drawdown was -59.6% from May 23, 2017 to Apr 2, 2020.
- DataCedar holds 3,113 daily sessions of OSB history from Jun 5, 2014 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
OSB price chart, 2014 to 2026
OSB returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -1.2% |
| 3 months | -4.9% |
| 6 months | -1.3% |
| Year to date | -20.9% |
| 1 year | -8.2% |
| 3 years | +58.1% |
| 5 years | +2.5% |
| 10 years | +96.4% |
| Since Jun 5, 2014 | +195.6% |
| Compound annual growth, 12.3 years | +9.2% |
OSB records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £6.43 on Dec 30, 2025
- All time low close
- £1.59 on Jul 11, 2014
- 52 week high
- £6.47 on Jan 16, 2026
- 52 week low
- £4.79 on May 13, 2026
- Deepest drawdown
- -59.6% from May 23, 2017 to Apr 2, 2020, recovered Apr 9, 2021
- Best single session
- +18.6% on Mar 17, 2016
- Worst single session
- -33.1% on Jun 27, 2016
- Volatility, 1 year annualised
- 25.7%
- Sessions closing higher, 1 year
- 51%
- Growth of 1 since 2014
- 3.0×
- Best calendar year
- 2015, +65%
- Worst calendar year
- 2018, -15%
OSB 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. 2014 starts on Jun 5, 2014; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £6.39 | £6.47 | £4.79 | £5.09 | -20.2% | 205.5M | 187 |
| 2025 | £4.04 | £6.46 | £3.55 | £6.37 | +57.7% | 216.3M | 253 |
| 2024 | £4.62 | £5.33 | £3.24 | £4.04 | -12.8% | 256.9M | 254 |
| 2023 | £4.73 | £5.75 | £2.77 | £4.64 | -3.1% | 341.2M | 251 |
| 2022 | £5.56 | £6.06 | £3.66 | £4.78 | -13.4% | 355.9M | 250 |
| 2021 | £4.27 | £5.54 | £3.88 | £5.52 | +31.0% | 213.7M | 253 |
| 2020 | £4.28 | £4.50 | £1.27 | £4.22 | -2.3% | 304.9M | 254 |
| 2019 | £3.48 | £4.59 | £3.12 | £4.32 | +23.9% | 231.7M | 253 |
| 2018 | £4.12 | £4.52 | £3.26 | £3.48 | -15.1% | 222.8M | 253 |
| 2017 | £3.39 | £4.76 | £3.10 | £4.11 | +22.1% | 198.3M | 252 |
| 2016 | £3.44 | £3.69 | £1.72 | £3.36 | -4.4% | 94.2M | 253 |
| 2015 | £2.09 | £4.10 | £2.03 | £3.52 | +64.9% | 78.6M | 253 |
| 2014 | £1.71 | £2.23 | £1.54 | £2.13 | n/a | 49.3M | 147 |
OSB monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | £5.09 | -1.2% |
| August 2026 | £5.15 | -7.5% |
| July 2026 | £5.56 | +7.2% |
| June 2026 | £5.19 | +0.5% |
| May 2026 | £5.16 | -2.2% |
| April 2026 | £5.28 | +1.6% |
| March 2026 | £5.20 | -14.8% |
| February 2026 | £6.10 | 0.0% |
| January 2026 | £6.10 | -4.2% |
| December 2025 | £6.37 | +11.4% |
| November 2025 | £5.72 | +6.2% |
| October 2025 | £5.39 | -5.0% |
About the OSB data
Daily bars. 3,113 sessions from Jun 5, 2014 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 Jun 5, 2014, 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/OSB/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
OSB share price history
