LSE · SYM · stock
Symphony Environmental Technologies plc (SYM) stock price history
Every LSE trading session of Symphony Environmental Technologies plc from Nov 30, 2001 to Nov 12, 2026: 5,014 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.
SYM adjusted close, 2001 to 2026
- £0.4760
- All time high, 2001
- £0.1000
- 52 week high, £0.0550 low
- 5,014
- Daily sessions since 2001
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2001 to 2026 series and minute bars.
SYM key facts
- Symphony Environmental Technologies plc (SYM) closed at £0.0650 on Nov 12, 2026 on LSE.
- SYM's all time high close is £0.4760, set on Dec 3, 2001; its all time low close is £0.0200 on Feb 24, 2009.
- SYM's 52 week range is £0.0550 to £0.1000.
- SYM returned -27.8% over the year to Nov 12, 2026 and -75.9% over five years.
- Over ten years SYM returned +63%, +5.0% a year compounded.
- SYM's deepest drawdown was -95.8% from Dec 3, 2001 to Feb 24, 2009.
- DataCedar holds 5,014 daily sessions of SYM history from Nov 30, 2001 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
SYM price chart, 2001 to 2026
SYM returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -3.7% |
| 3 months | -18.8% |
| 6 months | -23.5% |
| Year to date | -25.7% |
| 1 year | -27.8% |
| 3 years | +44.4% |
| 5 years | -75.9% |
| 10 years | +62.5% |
| Since Nov 30, 2001 | -86.2% |
| Compound annual growth, 25.0 years | -7.6% |
SYM records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £0.4760 on Dec 3, 2001
- All time low close
- £0.0200 on Feb 24, 2009
- 52 week high
- £0.1000 on Jan 9, 2026
- 52 week low
- £0.0550 on Mar 31, 2026
- Deepest drawdown
- -95.8% from Dec 3, 2001 to Feb 24, 2009, not yet recovered
- Best single session
- +124.2% on Feb 26, 2020
- Worst single session
- -44.0% on Jan 31, 2024
- Volatility, 1 year annualised
- 65.3%
- Sessions closing higher, 1 year
- 10%
- Best calendar year
- 2009, +295%
- Worst calendar year
- 2007, -74%
SYM 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. 2001 starts on Nov 30, 2001; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £0.0875 | £0.1000 | £0.0550 | £0.0650 | -25.7% | 14M | 161 |
| 2025 | £0.0290 | £0.1400 | £0.0251 | £0.0875 | +201.7% | 52.5M | 188 |
| 2024 | £0.0375 | £0.0750 | £0.0200 | £0.0290 | -22.7% | 41.9M | 155 |
| 2023 | £0.1113 | £0.1347 | £0.0350 | £0.0375 | -66.3% | 22.1M | 145 |
| 2022 | £0.2550 | £0.2700 | £0.0853 | £0.1113 | -50.0% | 20.7M | 144 |
| 2021 | £0.1625 | £0.2892 | £0.1401 | £0.2225 | +30.9% | 67.3M | 197 |
| 2020 | £0.0675 | £0.3300 | £0.0663 | £0.1700 | +151.9% | 171.1M | 209 |
| 2019 | £0.0690 | £0.1274 | £0.0502 | £0.0675 | 0.0% | 36.2M | 157 |
| 2018 | £0.1240 | £0.3248 | £0.0556 | £0.0675 | -44.3% | 106.3M | 209 |
| 2017 | £0.0403 | £0.1840 | £0.0380 | £0.1213 | +185.3% | 83.1M | 201 |
| 2016 | £0.0575 | £0.0675 | £0.0376 | £0.0425 | -30.6% | 11.5M | 143 |
| 2015 | £0.1079 | £0.1120 | £0.0560 | £0.0613 | -43.0% | 22M | 150 |
| 2014 | £0.0682 | £0.1132 | £0.0575 | £0.1075 | +53.6% | 39.6M | 155 |
| 2013 | £0.0366 | £0.0950 | £0.0215 | £0.0700 | +80.6% | 63.9M | 178 |
| 2012 | £0.0638 | £0.0968 | £0.0290 | £0.0388 | -35.4% | 45.7M | 154 |
| 2011 | £0.1550 | £0.2115 | £0.0550 | £0.0600 | -58.6% | 51.2M | 187 |
| 2010 | £0.0988 | £0.1600 | £0.0825 | £0.1450 | +46.8% | 50.4M | 240 |
| 2009 | £0.0250 | £0.1400 | £0.0175 | £0.0988 | +295.0% | 33.2M | 241 |
| 2008 | £0.0300 | £0.0547 | £0.0150 | £0.0250 | -16.7% | 18.1M | 251 |
| 2007 | £0.1175 | £0.1275 | £0.0250 | £0.0300 | -74.5% | 27.7M | 253 |
| 2006 | £0.1188 | £0.1535 | £0.0650 | £0.1175 | -1.1% | 49.3M | 235 |
| 2005 | £0.1383 | £0.2483 | £0.0500 | £0.1188 | -18.1% | 64.6M | 259 |
| 2004 | £0.2276 | £0.2800 | £0.1080 | £0.1450 | -41.4% | 27.7M | 258 |
| 2003 | £0.3100 | £0.3675 | £0.1900 | £0.2475 | -17.5% | 38.4M | 261 |
| 2002 | £0.3850 | £0.4700 | £0.2100 | £0.3000 | -22.1% | 12M | 261 |
| 2001 | £0.4720 | £0.4900 | £0.3500 | £0.3850 | n/a | 958.8K | 22 |
SYM monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | £0.0650 | 0.0% |
| October 2026 | £0.0650 | -13.3% |
| September 2026 | £0.0750 | +7.1% |
| August 2026 | £0.0700 | -15.2% |
| July 2026 | £0.0825 | 0.0% |
| June 2026 | £0.0825 | +17.9% |
| May 2026 | £0.0700 | -6.7% |
| April 2026 | £0.0750 | +25.0% |
| March 2026 | £0.0600 | -20.0% |
| February 2026 | £0.0750 | -9.1% |
| January 2026 | £0.0825 | -5.7% |
| December 2025 | £0.0875 | +2.9% |
About the SYM data
Daily bars. 5,014 sessions from Nov 30, 2001 to Nov 12, 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 11, 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 Nov 30, 2001, 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%3ASYM/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
SYM share price history
