Nasdaq Stockholm · ACTI · stock
Active Biotech AB (publ) (ACTI) stock price history
Every Nasdaq Stockholm trading session of Active Biotech AB (publ) from Dec 19, 2003 to Sep 28, 2026: 5,750 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.
ACTI adjusted close, 2003 to 2026
- SEK 3,113
- All time high, 2011
- SEK 13.57
- 52 week high, SEK 3.70 low
- 5,750
- Daily sessions since 2003
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2003 to 2026 series and minute bars.
ACTI key facts
- Active Biotech AB (publ) (ACTI) closed at SEK 4.12 on Sep 28, 2026 on Nasdaq Stockholm.
- ACTI's all time high close is SEK 3,113, set on Jan 4, 2011; its all time low close is SEK 3.80 on Feb 18, 2026.
- ACTI's 52 week range is SEK 3.70 to SEK 13.57.
- ACTI returned -67.9% over the year to Sep 28, 2026 and -90.4% over five years.
- Over ten years ACTI returned -98%, -33.0% a year compounded.
- ACTI's deepest drawdown was -99.9% from Jan 4, 2011 to Feb 18, 2026.
- DataCedar holds 5,750 daily sessions of ACTI history from Dec 19, 2003 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
ACTI price chart, 2003 to 2026
ACTI 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 | -29.5% |
| 6 months | -5.3% |
| Year to date | -10.4% |
| 1 year | -67.9% |
| 3 years | -82.9% |
| 5 years | -90.4% |
| 10 years | -98.2% |
| Since Dec 19, 2003 | -99.5% |
| Compound annual growth, 22.8 years | -21.1% |
ACTI records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- SEK 3,113 on Jan 4, 2011
- All time low close
- SEK 3.80 on Feb 18, 2026
- 52 week high
- SEK 13.57 on Oct 2, 2025
- 52 week low
- SEK 3.70 on Feb 5, 2026
- Deepest drawdown
- -99.9% from Jan 4, 2011 to Feb 18, 2026, not yet recovered
- Best single session
- +182.7% on Oct 25, 2024
- Worst single session
- -67.5% on May 8, 2017
- Volatility, 1 year annualised
- 98.3%
- Sessions closing higher, 1 year
- 42%
- Best calendar year
- 2009, +275%
- Worst calendar year
- 2011, -87%
ACTI 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. 2003 starts on Dec 19, 2003; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | SEK 4.62 | SEK 9.43 | SEK 3.70 | SEK 4.12 | -10.4% | 30.7M | 186 |
| 2025 | SEK 8.65 | SEK 26.98 | SEK 4.00 | SEK 4.60 | -46.7% | 40.7M | 249 |
| 2024 | SEK 16.36 | SEK 52.95 | SEK 8.33 | SEK 8.63 | -47.2% | 17.1M | 251 |
| 2023 | SEK 30.94 | SEK 37.34 | SEK 14.35 | SEK 16.36 | -47.2% | 2.3M | 251 |
| 2022 | SEK 39.13 | SEK 46.98 | SEK 27.36 | SEK 30.97 | -20.7% | 1.9M | 253 |
| 2021 | SEK 58.41 | SEK 64.44 | SEK 34.61 | SEK 39.06 | -33.1% | 3.4M | 253 |
| 2020 | SEK 59.80 | SEK 111.69 | SEK 36.32 | SEK 58.41 | +0.1% | 5.1M | 252 |
| 2019 | SEK 77.96 | SEK 116.62 | SEK 51.89 | SEK 58.38 | -25.1% | 1.6M | 247 |
| 2018 | SEK 33.93 | SEK 194.58 | SEK 33.93 | SEK 77.96 | +129.7% | 9.3M | 252 |
| 2017 | SEK 210.63 | SEK 427.11 | SEK 31.20 | SEK 33.93 | -83.3% | 4.3M | 253 |
| 2016 | SEK 262.71 | SEK 297.23 | SEK 143.82 | SEK 203.80 | -23.0% | 1.1M | 253 |
| 2015 | SEK 364.34 | SEK 605.96 | SEK 162.04 | SEK 264.63 | -26.6% | 2.4M | 251 |
| 2014 | SEK 1,267 | SEK 1,407 | SEK 297.23 | SEK 360.51 | -71.3% | 2.7M | 249 |
| 2013 | SEK 991.04 | SEK 1,475 | SEK 742.15 | SEK 1,258 | +26.4% | 1.7M | 250 |
| 2012 | SEK 400.04 | SEK 1,204 | SEK 400.04 | SEK 995.57 | +146.6% | 4.1M | 250 |
| 2011 | SEK 3,014 | SEK 3,113 | SEK 248.89 | SEK 403.66 | -86.8% | 2.7M | 253 |
| 2010 | SEK 1,810 | SEK 3,186 | SEK 1,638 | SEK 3,059 | +67.7% | 1.1M | 253 |
| 2009 | SEK 502.33 | SEK 1,892 | SEK 469.37 | SEK 1,824 | +274.8% | 716.9K | 251 |
| 2008 | SEK 936.35 | SEK 1,003 | SEK 412.85 | SEK 486.63 | -46.9% | 411.5K | 252 |
| 2007 | SEK 1,188 | SEK 1,326 | SEK 842.72 | SEK 916.84 | -22.8% | 648.1K | 250 |
| 2006 | SEK 1,215 | SEK 1,523 | SEK 822.51 | SEK 1,188 | -4.6% | 820K | 260 |
| 2005 | SEK 534.49 | SEK 1,264 | SEK 488.59 | SEK 1,245 | +130.4% | 1M | 260 |
| 2004 | SEK 903.15 | SEK 1,103 | SEK 444.17 | SEK 540.41 | -40.2% | 1.3M | 262 |
| 2003 | SEK 873.54 | SEK 910.55 | SEK 851.33 | SEK 903.15 | n/a | 19.6K | 9 |
ACTI monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | SEK 4.12 | -19.5% |
| August 2026 | SEK 5.12 | -0.8% |
| July 2026 | SEK 5.16 | -9.8% |
| June 2026 | SEK 5.72 | -8.9% |
| May 2026 | SEK 6.28 | +3.6% |
| April 2026 | SEK 6.06 | +10.4% |
| March 2026 | SEK 5.49 | 0.0% |
| February 2026 | SEK 5.49 | +32.0% |
| January 2026 | SEK 4.16 | -9.6% |
| December 2025 | SEK 4.60 | -21.2% |
| November 2025 | SEK 5.84 | -4.9% |
| October 2025 | SEK 6.14 | -52.2% |
About the ACTI data
Daily bars. 5,750 sessions from Dec 19, 2003 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 Dec 19, 2003, 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/ACTI/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq Stockholm
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Common questions
ACTI share price history
