Nasdaq Stockholm · SPEONE · stock

SpectrumOne AB (publ) (SPEONE) stock price history

Every Nasdaq Stockholm trading session of SpectrumOne AB (publ) from Jun 9, 2015 to Sep 28, 2026: 2,844 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.

SPEONE adjusted close, 2015 to 2026

SPEONESpectrumOne AB (publ)
SEK 0.1415-25.5% over one year
201620182020202220242026
SEK 4.50
All time high, 2015
SEK 0.2580
52 week high, SEK 0.1300 low
2,844
Daily sessions since 2015

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2015 to 2026 series and minute bars.

SPEONE key facts

  • SpectrumOne AB (publ) (SPEONE) closed at SEK 0.1415 on Sep 28, 2026 on Nasdaq Stockholm.
  • SPEONE's all time high close is SEK 4.50, set on Jul 14, 2015; its all time low close is SEK 0.1375 on Sep 11, 2019.
  • SPEONE's 52 week range is SEK 0.1300 to SEK 0.2580.
  • SPEONE returned -25.5% over the year to Sep 28, 2026 and -90.7% over five years.
  • Over ten years SPEONE returned -93%, -23.5% a year compounded.
  • SPEONE's deepest drawdown was -96.9% from Jul 14, 2015 to Sep 11, 2019.
  • DataCedar holds 2,844 daily sessions of SPEONE history from Jun 9, 2015 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

SPEONE price chart, 2015 to 2026

SPEONE adjusted close, Jun 9, 2015 to Sep 28, 2026SEK 0.1415SEK 0.4381SEK 1.36SEK 4.20201620182020202220242026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

SPEONE returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month-7.2%
3 months-14.5%
6 months-15.8%
Year to date-9.6%
1 year-25.5%
3 years-43.6%
5 years-90.7%
10 years-93.1%
Since Jun 9, 2015-93.8%
Compound annual growth, 11.3 years-21.9%

SPEONE records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
SEK 4.50 on Jul 14, 2015
All time low close
SEK 0.1375 on Sep 11, 2019
52 week high
SEK 0.2580 on May 26, 2026
52 week low
SEK 0.1300 on Oct 31, 2025
Deepest drawdown
-96.9% from Jul 14, 2015 to Sep 11, 2019, not yet recovered
Best single session
+49.6% on Oct 11, 2019
Worst single session
-29.3% on Mar 12, 2020
Volatility, 1 year annualised
76.3%
Sessions closing higher, 1 year
40%
Best calendar year
2020, +163%
Worst calendar year
2022, -71%

SPEONE 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. 2015 starts on Jun 9, 2015; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026SEK 0.1565SEK 0.2580SEK 0.1300SEK 0.1415-9.6%73.6M186
2025SEK 0.2430SEK 0.3200SEK 0.1300SEK 0.1565-36.6%101.3M249
2024SEK 0.2540SEK 0.6500SEK 0.2200SEK 0.2470-5.7%159.6M251
2023SEK 0.3798SEK 0.4894SEK 0.2020SEK 0.2620-31.0%119.6M251
2022SEK 1.30SEK 1.63SEK 0.3112SEK 0.3798-70.8%189.2M253
2021SEK 3.25SEK 3.42SEK 1.25SEK 1.30-60.0%600.5M253
2020SEK 1.29SEK 4.45SEK 0.4710SEK 3.25+163.2%2B252
2019SEK 1.80SEK 1.93SEK 0.1305SEK 1.24-31.4%1.3B247
2018SEK 2.31SEK 2.66SEK 1.49SEK 1.80-22.7%8.3M252
2017SEK 3.20SEK 4.00SEK 2.10SEK 2.33-25.8%10.6M253
2016SEK 3.20SEK 3.75SEK 1.47SEK 3.14-8.7%8.7M253
2015SEK 3.50SEK 5.00SEK 2.00SEK 3.44n/a4.1M144

SPEONE monthly closes, last 12 months

MonthMonth end closeChange
September 2026SEK 0.1415-11.6%
August 2026SEK 0.1600-2.1%
July 2026SEK 0.1635-10.7%
June 2026SEK 0.1830-6.2%
May 2026SEK 0.1950+23.8%
April 2026SEK 0.1575-4.0%
March 2026SEK 0.1640-11.4%
February 2026SEK 0.1850+20.5%
January 2026SEK 0.1535-1.9%
December 2025SEK 0.1565-2.2%
November 2025SEK 0.1600+13.9%
October 2025SEK 0.1405-22.6%

About the SPEONE data

Daily bars. 2,844 sessions from Jun 9, 2015 to Sep 28, 2026, one row per Nasdaq Stockholm 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 Nasdaq Stockholm trading days; minute timestamps are UTC. Prices are in SEK. 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 9, 2015, 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/SPEONE/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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