LSE · PRM · stock
Proteome Sciences plc (PRM) stock price history
Every LSE trading session of Proteome Sciences plc from Oct 3, 1995 to Sep 28, 2026: 7,914 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.
PRM adjusted close, 1995 to 2026
- £2.37
- All time high, 2003
- £0.0440
- 52 week high, £0.0111 low
- 7,914
- Daily sessions since 1995
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1995 to 2026 series and minute bars.
PRM key facts
- Proteome Sciences plc (PRM) closed at £0.0140 on Sep 28, 2026 on LSE.
- PRM's all time high close is £2.37, set on Dec 15, 2003; its all time low close is £0.0127 on Apr 21, 2026.
- PRM's 52 week range is £0.0111 to £0.0440.
- PRM returned -20.2% over the year to Sep 28, 2026 and -75.0% over five years.
- Over ten years PRM returned -87%, -18.5% a year compounded.
- PRM's deepest drawdown was -99.5% from Dec 15, 2003 to Apr 21, 2026.
- DataCedar holds 7,914 daily sessions of PRM history from Oct 3, 1995 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
PRM price chart, 1995 to 2026
PRM returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -9.7% |
| 3 months | -18.4% |
| 6 months | -12.8% |
| Year to date | -37.9% |
| 1 year | -20.2% |
| 3 years | -77.3% |
| 5 years | -75.0% |
| 10 years | -87.1% |
| Since Oct 3, 1995 | -99.1% |
| Compound annual growth, 31.0 years | -14.1% |
PRM records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £2.37 on Dec 15, 2003
- All time low close
- £0.0127 on Apr 21, 2026
- 52 week high
- £0.0440 on Jan 6, 2026
- 52 week low
- £0.0111 on Sep 15, 2026
- Deepest drawdown
- -99.5% from Dec 15, 2003 to Apr 21, 2026, not yet recovered
- Best single session
- +66.3% on Jan 18, 1999
- Worst single session
- -57.1% on Jan 19, 1999
- Volatility, 1 year annualised
- 132.6%
- Sessions closing higher, 1 year
- 37%
- Best calendar year
- 2000, +567%
- Worst calendar year
- 1996, -79%
PRM 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. 1995 starts on Oct 3, 1995; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £0.0186 | £0.0440 | £0.0111 | £0.0140 | -44.0% | 69.2M | 187 |
| 2025 | £0.0410 | £0.0540 | £0.0130 | £0.0250 | -26.5% | 54M | 253 |
| 2024 | £0.0503 | £0.0575 | £0.0222 | £0.0340 | -24.9% | 29.5M | 254 |
| 2023 | £0.0326 | £0.0879 | £0.0315 | £0.0453 | +29.4% | 52M | 251 |
| 2022 | £0.0502 | £0.0530 | £0.0320 | £0.0350 | -31.7% | 43.3M | 250 |
| 2021 | £0.0374 | £0.1000 | £0.0319 | £0.0513 | +32.4% | 121.2M | 253 |
| 2020 | £0.0317 | £0.0700 | £0.0255 | £0.0387 | +31.6% | 114.3M | 254 |
| 2019 | £0.0237 | £0.0430 | £0.0220 | £0.0294 | +20.5% | 44.5M | 253 |
| 2018 | £0.0280 | £0.0424 | £0.0230 | £0.0244 | -21.9% | 57.4M | 253 |
| 2017 | £0.0550 | £0.0570 | £0.0261 | £0.0313 | -43.2% | 106.8M | 252 |
| 2016 | £0.1582 | £0.2394 | £0.0500 | £0.0550 | -65.1% | 85.6M | 253 |
| 2015 | £0.2700 | £0.2850 | £0.1425 | £0.1575 | -41.7% | 56.7M | 253 |
| 2014 | £0.3075 | £0.4300 | £0.2100 | £0.2700 | -9.6% | 58.6M | 253 |
| 2013 | £0.6750 | £0.7400 | £0.2725 | £0.2988 | -55.2% | 80M | 253 |
| 2012 | £0.3100 | £0.7025 | £0.2400 | £0.6675 | +122.5% | 62.4M | 251 |
| 2011 | £0.3625 | £0.4300 | £0.1600 | £0.3000 | -14.3% | 62.8M | 252 |
| 2010 | £0.2615 | £0.3791 | £0.1809 | £0.3500 | +38.5% | 59.6M | 253 |
| 2009 | £0.2206 | £0.3580 | £0.2141 | £0.2528 | +13.3% | 50.6M | 253 |
| 2008 | £0.5526 | £0.5774 | £0.1636 | £0.2230 | -59.1% | 122.9M | 254 |
| 2007 | £0.5774 | £0.7157 | £0.3469 | £0.5452 | -6.0% | 109M | 253 |
| 2006 | £0.7038 | £0.7410 | £0.3172 | £0.5799 | -17.0% | 124.6M | 252 |
| 2005 | £0.5732 | £1.04 | £0.5011 | £0.6989 | +19.5% | 137.4M | 260 |
| 2004 | £2.05 | £2.35 | £0.5207 | £0.5849 | -72.2% | 213.1M | 262 |
| 2003 | £0.5683 | £2.39 | £0.4560 | £2.10 | +262.4% | 166.9M | 261 |
| 2002 | £0.3488 | £0.7038 | £0.3271 | £0.5799 | +61.2% | 68.9M | 261 |
| 2001 | £0.8660 | £1.13 | £0.2577 | £0.3598 | -59.7% | 111.3M | 261 |
| 2000 | £0.1338 | £1.54 | £0.1190 | £0.8922 | +566.7% | 185.1M | 260 |
| 1999 | £0.1140 | £0.1983 | £0.0595 | £0.1338 | +35.0% | 53M | 261 |
| 1998 | £0.4213 | £0.4560 | £0.0793 | £0.0991 | -76.5% | 10.6M | 261 |
| 1997 | £0.3699 | £0.5620 | £0.2825 | £0.4213 | +13.9% | 2.5M | 261 |
| 1996 | £1.78 | £1.92 | £0.3363 | £0.3699 | -79.2% | 561.8K | 262 |
| 1995 | £1.54 | £1.80 | £1.06 | £1.78 | n/a | 0 | 64 |
PRM monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | £0.0140 | -9.7% |
| August 2026 | £0.0155 | -13.9% |
| July 2026 | £0.0180 | +9.1% |
| June 2026 | £0.0165 | +17.9% |
| May 2026 | £0.0140 | -6.7% |
| April 2026 | £0.0150 | -3.8% |
| March 2026 | £0.0156 | -13.1% |
| February 2026 | £0.0179 | -2.4% |
| January 2026 | £0.0184 | -26.4% |
| December 2025 | £0.0250 | +55.8% |
| November 2025 | £0.0161 | -11.6% |
| October 2025 | £0.0182 | -7.2% |
About the PRM data
Daily bars. 7,914 sessions from Oct 3, 1995 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 Oct 3, 1995, 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/PRM/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
PRM share price history
