Nasdaq Stockholm · BRAIN · stock
BrainCool AB (publ) (BRAIN) stock price history
Every Nasdaq Stockholm trading session of BrainCool AB (publ) from May 7, 2014 to Sep 28, 2026: 3,115 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.
BRAIN adjusted close, 2014 to 2026
- SEK 14.80
- All time high, 2015
- SEK 1.11
- 52 week high, SEK 0.4105 low
- 3,115
- Daily sessions since 2014
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2014 to 2026 series and minute bars.
BRAIN key facts
- BrainCool AB (publ) (BRAIN) closed at SEK 1.02 on Sep 28, 2026 on Nasdaq Stockholm.
- BRAIN's all time high close is SEK 14.80, set on Dec 28, 2015; its all time low close is SEK 0.4400 on Feb 4, 2026.
- BRAIN's 52 week range is SEK 0.4105 to SEK 1.11.
- BRAIN returned +11.7% over the year to Sep 28, 2026 and -79.4% over five years.
- Over ten years BRAIN returned -90%, -20.6% a year compounded.
- BRAIN's deepest drawdown was -97.0% from Dec 28, 2015 to Feb 4, 2026.
- DataCedar holds 3,115 daily sessions of BRAIN history from May 7, 2014 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
BRAIN price chart, 2014 to 2026
BRAIN returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +21.2% |
| 3 months | +38.1% |
| 6 months | +74.4% |
| Year to date | +72.6% |
| 1 year | +11.7% |
| 3 years | -79.6% |
| 5 years | -79.4% |
| 10 years | -90.0% |
| Since May 7, 2014 | -57.3% |
| Compound annual growth, 12.4 years | -6.6% |
BRAIN records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- SEK 14.80 on Dec 28, 2015
- All time low close
- SEK 0.4400 on Feb 4, 2026
- 52 week high
- SEK 1.11 on Sep 23, 2026
- 52 week low
- SEK 0.4105 on Mar 25, 2026
- Deepest drawdown
- -97.0% from Dec 28, 2015 to Feb 4, 2026, not yet recovered
- Best single session
- +47.2% on Aug 31, 2017
- Worst single session
- -56.6% on Aug 26, 2022
- Volatility, 1 year annualised
- 64.1%
- Sessions closing higher, 1 year
- 50%
- Best calendar year
- 2015, +285%
- Worst calendar year
- 2022, -73%
BRAIN 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 May 7, 2014; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | SEK 0.5710 | SEK 1.11 | SEK 0.4105 | SEK 1.02 | +72.6% | 145.4M | 186 |
| 2025 | SEK 1.37 | SEK 2.20 | SEK 0.4947 | SEK 0.5920 | -56.7% | 84.9M | 249 |
| 2024 | SEK 4.78 | SEK 5.04 | SEK 1.16 | SEK 1.37 | -71.4% | 94.2M | 251 |
| 2023 | SEK 1.76 | SEK 6.26 | SEK 1.62 | SEK 4.78 | +196.9% | 77.8M | 251 |
| 2022 | SEK 5.98 | SEK 6.14 | SEK 1.06 | SEK 1.61 | -73.1% | 31.6M | 253 |
| 2021 | SEK 5.12 | SEK 9.53 | SEK 4.54 | SEK 5.98 | +17.6% | 57.9M | 253 |
| 2020 | SEK 4.34 | SEK 9.96 | SEK 2.31 | SEK 5.08 | +18.1% | 102.6M | 252 |
| 2019 | SEK 5.08 | SEK 7.06 | SEK 3.83 | SEK 4.30 | -15.3% | 29.2M | 247 |
| 2018 | SEK 5.68 | SEK 10.23 | SEK 3.90 | SEK 5.08 | -9.9% | 40.1M | 252 |
| 2017 | SEK 7.93 | SEK 11.04 | SEK 3.16 | SEK 5.64 | -26.8% | 61.3M | 253 |
| 2016 | SEK 14.72 | SEK 15.49 | SEK 7.13 | SEK 7.71 | -46.8% | 24.1M | 253 |
| 2015 | SEK 3.81 | SEK 15.18 | SEK 3.36 | SEK 14.50 | +285.4% | 70.1M | 251 |
| 2014 | SEK 2.67 | SEK 5.72 | SEK 2.06 | SEK 3.76 | n/a | 21.5M | 164 |
BRAIN monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | SEK 1.02 | +14.7% |
| August 2026 | SEK 0.8910 | +19.1% |
| July 2026 | SEK 0.7480 | -5.3% |
| June 2026 | SEK 0.7900 | 0.0% |
| May 2026 | SEK 0.7900 | -1.1% |
| April 2026 | SEK 0.7990 | +35.7% |
| March 2026 | SEK 0.5890 | +7.7% |
| February 2026 | SEK 0.5470 | +11.6% |
| January 2026 | SEK 0.4900 | -17.2% |
| December 2025 | SEK 0.5920 | +7.6% |
| November 2025 | SEK 0.5500 | -9.1% |
| October 2025 | SEK 0.6050 | -35.6% |
About the BRAIN data
Daily bars. 3,115 sessions from May 7, 2014 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 May 7, 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/BRAIN/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq Stockholm
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Common questions
BRAIN share price history
