LSE · SPSY · stock
Spectra Systems Corporation (SPSY) stock price history
Every LSE trading session of Spectra Systems Corporation from Jul 26, 2011 to Sep 28, 2026: 3,834 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.
SPSY adjusted close, 2011 to 2026
- £2.75
- All time high, 2024
- £2.15
- 52 week high, £1.12 low
- 3,834
- Daily sessions since 2011
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2011 to 2026 series and minute bars.
SPSY key facts
- Spectra Systems Corporation (SPSY) closed at £1.49 on Sep 28, 2026 on LSE.
- SPSY's all time high close is £2.75, set on Jul 29, 2024; its all time low close is £0.1393 on Jun 22, 2012.
- SPSY's 52 week range is £1.12 to £2.15.
- SPSY returned -22.7% over the year to Sep 28, 2026 and -5.5% over five years.
- Over ten years SPSY returned +518%, +20.0% a year compounded.
- SPSY's deepest drawdown was -86.0% from Apr 17, 2012 to Jun 22, 2012.
- DataCedar holds 3,834 daily sessions of SPSY history from Jul 26, 2011 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
SPSY price chart, 2011 to 2026
SPSY returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -9.1% |
| 3 months | -23.5% |
| 6 months | +18.3% |
| Year to date | -2.2% |
| 1 year | -22.7% |
| 3 years | -14.7% |
| 5 years | -5.5% |
| 10 years | +517.7% |
| Since Jul 26, 2011 | +87.3% |
| Compound annual growth, 15.2 years | +4.2% |
SPSY records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- £2.75 on Jul 29, 2024
- All time low close
- £0.1393 on Jun 22, 2012
- 52 week high
- £2.15 on Jun 4, 2026
- 52 week low
- £1.12 on Mar 23, 2026
- Deepest drawdown
- -86.0% from Apr 17, 2012 to Jun 22, 2012, recovered Aug 31, 2017
- Best single session
- +35.7% on Jun 25, 2012
- Worst single session
- -73.3% on Jun 22, 2012
- Volatility, 1 year annualised
- 40.1%
- Sessions closing higher, 1 year
- 38%
- Best calendar year
- 2017, +228%
- Worst calendar year
- 2012, -63%
SPSY 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. 2011 starts on Jul 26, 2011; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | £1.52 | £2.15 | £1.12 | £1.49 | -2.2% | 17.5M | 187 |
| 2025 | £2.34 | £2.45 | £1.23 | £1.52 | -34.8% | 21.9M | 253 |
| 2024 | £2.33 | £2.78 | £2.07 | £2.34 | +0.5% | 13.3M | 254 |
| 2023 | £1.72 | £2.38 | £1.56 | £2.33 | +35.1% | 13M | 251 |
| 2022 | £1.50 | £1.78 | £1.21 | £1.72 | +15.1% | 11.8M | 250 |
| 2021 | £1.67 | £1.94 | £1.40 | £1.50 | -10.7% | 20.4M | 253 |
| 2020 | £1.56 | £2.13 | £0.7688 | £1.67 | +6.7% | 20.3M | 254 |
| 2019 | £1.15 | £1.59 | £1.11 | £1.57 | +49.4% | 14.2M | 253 |
| 2018 | £0.8137 | £1.23 | £0.8013 | £1.05 | +26.4% | 12.2M | 253 |
| 2017 | £0.2536 | £1.13 | £0.2536 | £0.8311 | +227.7% | 19.6M | 252 |
| 2016 | £0.1877 | £0.2735 | £0.1651 | £0.2536 | +35.1% | 6.9M | 253 |
| 2015 | £0.1890 | £0.2575 | £0.1701 | £0.1877 | +2.0% | 22.1M | 253 |
| 2014 | £0.2288 | £0.3083 | £0.1393 | £0.1840 | -27.5% | 14.9M | 253 |
| 2013 | £0.3680 | £0.3680 | £0.1492 | £0.2536 | -31.1% | 8.2M | 253 |
| 2012 | £0.9947 | £0.9947 | £0.1293 | £0.3680 | -63.0% | 1.9M | 251 |
| 2011 | £0.7957 | £0.9947 | £0.7957 | £0.9947 | n/a | 5K | 111 |
SPSY monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | £1.49 | -9.1% |
| August 2026 | £1.64 | -5.7% |
| July 2026 | £1.74 | -14.6% |
| June 2026 | £2.04 | +7.9% |
| May 2026 | £1.89 | +13.2% |
| April 2026 | £1.67 | +9.5% |
| March 2026 | £1.52 | +10.5% |
| February 2026 | £1.38 | -3.5% |
| January 2026 | £1.43 | -6.2% |
| December 2025 | £1.52 | +4.8% |
| November 2025 | £1.45 | -0.7% |
| October 2025 | £1.46 | -9.0% |
About the SPSY data
Daily bars. 3,834 sessions from Jul 26, 2011 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 26, 2011, 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/SPSY/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on LSE
Common questions
SPSY share price history
