LSE · RDT · stock
Rosslyn Data Technologies plc (RDT) stock price history
Every LSE trading session of Rosslyn Data Technologies plc from Apr 29, 2014 to Nov 10, 2026: 1,761 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.
RDT adjusted close, 2014 to 2026
- £17.25
- All time high, 2014
- £0.0360
- 52 week high, £0.0090 low
- 1,761
- Daily sessions since 2014
Last updated Nov 10, 2026, the last stored session. Refreshes after each trading day. Full 2014 to 2026 series and minute bars.
RDT key facts
- Rosslyn Data Technologies plc (RDT) closed at £0.0100 on Nov 10, 2026 on LSE.
- RDT's all time high close is £17.25, set on May 12, 2014; its all time low close is £0.0095 on Oct 22, 2026.
- RDT's 52 week range is £0.0090 to £0.0360.
- RDT returned -70.1% over the year to Nov 10, 2026 and -99.5% over five years.
- Over ten years RDT returned -100%, -46.4% a year compounded.
- RDT's deepest drawdown was -99.9% from May 12, 2014 to Oct 22, 2026.
- DataCedar holds 1,761 daily sessions of RDT history from Apr 29, 2014 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
RDT price chart, 2014 to 2026
RDT returns
Price return from the last close on or before the window start to Nov 10, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -4.8% |
| 3 months | -37.5% |
| 6 months | -47.4% |
| Year to date | -70.1% |
| 1 year | -70.1% |
| 3 years | -92.5% |
| 5 years | -99.5% |
| 10 years | -99.8% |
| Since Apr 29, 2014 | -99.9% |
| Compound annual growth, 12.5 years | -44.7% |
RDT records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £17.25 on May 12, 2014
- All time low close
- £0.0095 on Oct 22, 2026
- 52 week high
- £0.0360 on Jan 27, 2026
- 52 week low
- £0.0090 on Oct 16, 2026
- Deepest drawdown
- -99.9% from May 12, 2014 to Oct 22, 2026, not yet recovered
- Best single session
- +48.6% on Aug 22, 2024
- Worst single session
- -45.3% on Oct 9, 2024
- Volatility, 1 year annualised
- 46.4%
- Sessions closing higher, 1 year
- 7%
- Best calendar year
- 2018, +39%
- Worst calendar year
- 2023, -75%
RDT 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 Apr 29, 2014; 2026 runs to Nov 10, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £0.0335 | £0.0360 | £0.0090 | £0.0100 | -70.1% | 10M | 111 |
| 2025 | £0.0485 | £0.0520 | £0.0304 | £0.0335 | -29.5% | 12.8M | 131 |
| 2024 | £0.1300 | £0.2260 | £0.0450 | £0.0475 | -63.5% | 16.5M | 142 |
| 2023 | £0.5125 | £0.5500 | £0.1200 | £0.1300 | -74.6% | 3.7M | 121 |
| 2022 | £1.90 | £2.20 | £0.4000 | £0.5125 | -73.0% | 913.2K | 148 |
| 2021 | £3.31 | £3.95 | £1.68 | £1.90 | -42.6% | 1.3M | 151 |
| 2020 | £2.45 | £3.50 | £1.31 | £3.31 | +35.2% | 1.8M | 147 |
| 2019 | £3.55 | £4.13 | £2.40 | £2.45 | -31.0% | 182.8K | 146 |
| 2018 | £2.70 | £4.50 | £1.99 | £3.55 | +38.5% | 552.4K | 150 |
| 2017 | £4.94 | £5.62 | £2.13 | £2.56 | -48.8% | 897.8K | 149 |
| 2016 | £6.50 | £6.98 | £4.00 | £5.00 | -23.1% | 307.9K | 147 |
| 2015 | £8.50 | £9.69 | £4.00 | £6.50 | -27.8% | 282.6K | 138 |
| 2014 | £17.75 | £18.95 | £7.00 | £9.00 | n/a | 79.6K | 80 |
RDT monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | £0.0100 | 0.0% |
| October 2026 | £0.0100 | -13.0% |
| September 2026 | £0.0115 | -28.1% |
| August 2026 | £0.0160 | -3.0% |
| July 2026 | £0.0165 | -10.8% |
| June 2026 | £0.0185 | 0.0% |
| May 2026 | £0.0185 | -2.6% |
| April 2026 | £0.0190 | 0.0% |
| March 2026 | £0.0190 | -34.5% |
| February 2026 | £0.0290 | -6.5% |
| January 2026 | £0.0310 | -7.5% |
| December 2025 | £0.0335 | 0.0% |
About the RDT data
Daily bars. 1,761 sessions from Apr 29, 2014 to Nov 10, 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 9, 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 Apr 29, 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/lse%3ARDT/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
RDT share price history
