Xetra · BSL · stock
Basler Aktiengesellschaft (BSL) stock price history
Every Xetra trading session of Basler Aktiengesellschaft from Mar 24, 1999 to Sep 28, 2026: 7,036 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.
BSL adjusted close, 1999 to 2026
- €56.15
- All time high, 2021
- €31.90
- 52 week high, €11.38 low
- 7,036
- Daily sessions since 1999
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1999 to 2026 series and minute bars.
BSL key facts
- Basler Aktiengesellschaft (BSL) closed at €22.90 on Sep 28, 2026 on Xetra.
- BSL's all time high close is €56.15, set on Nov 3, 2021; its all time low close is €0.1568 on Jan 14, 2002.
- BSL's 52 week range is €11.38 to €31.90.
- BSL returned +27.2% over the year to Sep 28, 2026 and -49.8% over five years.
- Over ten years BSL returned +271%, +14.0% a year compounded.
- BSL's deepest drawdown was -98.7% from Apr 16, 1999 to Jan 14, 2002.
- DataCedar holds 7,036 daily sessions of BSL history from Mar 24, 1999 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
BSL price chart, 1999 to 2026
BSL returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -5.8% |
| 3 months | -17.2% |
| 6 months | +76.8% |
| Year to date | +50.3% |
| 1 year | +27.2% |
| 3 years | +135.1% |
| 5 years | -49.8% |
| 10 years | +271.0% |
| Since Mar 24, 1999 | +173.9% |
| Compound annual growth, 27.5 years | +3.7% |
BSL records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €56.15 on Nov 3, 2021
- All time low close
- €0.1568 on Jan 14, 2002
- 52 week high
- €31.90 on Jun 22, 2026
- 52 week low
- €11.38 on Mar 31, 2026
- Deepest drawdown
- -98.7% from Apr 16, 1999 to Jan 14, 2002, recovered May 25, 2017
- Best single session
- +28.8% on Jul 13, 2010
- Worst single session
- -30.4% on Apr 2, 2001
- Volatility, 1 year annualised
- 53.8%
- Sessions closing higher, 1 year
- 48%
- Growth of 1 since 1999
- 2.7×
- Best calendar year
- 2003, +227%
- Worst calendar year
- 2000, -87%
BSL 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. 1999 starts on Mar 24, 1999; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €15.26 | €31.90 | €11.38 | €22.90 | +50.3% | 7.2M | 189 |
| 2025 | €6.23 | €19.80 | €6.01 | €15.24 | +150.0% | 5.6M | 253 |
| 2024 | €11.69 | €12.87 | €5.10 | €6.10 | -47.4% | 5.2M | 254 |
| 2023 | €29.54 | €39.59 | €7.39 | €11.59 | -60.4% | 6.6M | 255 |
| 2022 | €52.67 | €53.72 | €21.43 | €29.25 | -43.8% | 3.6M | 257 |
| 2021 | €23.49 | €57.20 | €23.49 | €52.08 | +121.7% | 3.8M | 255 |
| 2020 | €17.59 | €23.82 | €10.89 | €23.49 | +33.0% | 2.8M | 254 |
| 2019 | €13.45 | €19.02 | €10.61 | €17.66 | +33.0% | 2.7M | 251 |
| 2018 | €20.67 | €23.69 | €12.68 | €13.28 | -35.8% | 7.5M | 252 |
| 2017 | €6.46 | €24.24 | €6.20 | €20.67 | +225.4% | 13.5M | 255 |
| 2016 | €4.73 | €6.89 | €4.16 | €6.35 | +40.6% | 3.3M | 255 |
| 2015 | €3.97 | €6.45 | €3.79 | €4.52 | +13.8% | 5.5M | 254 |
| 2014 | €2.92 | €4.52 | €2.79 | €3.97 | +35.1% | 7.1M | 252 |
| 2013 | €1.39 | €3.26 | €1.35 | €2.94 | +113.9% | 8.1M | 252 |
| 2012 | €1.12 | €1.46 | €0.9218 | €1.37 | +5.0% | 4.6M | 253 |
| 2011 | €1.11 | €1.45 | €0.9510 | €1.31 | +19.3% | 11.2M | 256 |
| 2010 | €0.6460 | €1.16 | €0.5054 | €1.10 | +69.7% | 9.5M | 256 |
| 2009 | €0.5130 | €0.6869 | €0.3705 | €0.6460 | +21.4% | 3.2M | 254 |
| 2008 | €1.02 | €1.11 | €0.4722 | €0.5320 | -49.1% | 5.6M | 254 |
| 2007 | €1.24 | €1.41 | €1.00 | €1.05 | -16.8% | 8.6M | 252 |
| 2006 | €1.08 | €1.46 | €0.9453 | €1.26 | +15.5% | 11.1M | 255 |
| 2005 | €1.41 | €1.76 | €1.01 | €1.09 | -23.7% | 10.2M | 260 |
| 2004 | €1.03 | €1.52 | €0.9976 | €1.43 | +38.9% | 6.7M | 262 |
| 2003 | €0.3135 | €1.58 | €0.1900 | €1.03 | +227.3% | 10.1M | 261 |
| 2002 | €0.1910 | €0.3705 | €0.1520 | €0.3135 | +64.2% | 21.2M | 261 |
| 2001 | €1.20 | €2.39 | €0.1805 | €0.1910 | -84.0% | 15.3M | 261 |
| 2000 | €9.41 | €12.35 | €1.20 | €1.20 | -86.9% | 5.3M | 260 |
| 1999 | €8.27 | €12.30 | €7.24 | €9.16 | n/a | 5.7M | 203 |
BSL monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €22.90 | -1.3% |
| August 2026 | €23.20 | -7.2% |
| July 2026 | €25.00 | -11.5% |
| June 2026 | €28.25 | -2.4% |
| May 2026 | €28.94 | +58.4% |
| April 2026 | €18.27 | +46.7% |
| March 2026 | €12.45 | -20.3% |
| February 2026 | €15.62 | -2.7% |
| January 2026 | €16.06 | +5.4% |
| December 2025 | €15.24 | -6.9% |
| November 2025 | €16.38 | -5.5% |
| October 2025 | €17.33 | -2.2% |
About the BSL data
Daily bars. 7,036 sessions from Mar 24, 1999 to Sep 28, 2026, one row per Xetra 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 Xetra trading days; minute timestamps are UTC. Prices are in EUR. 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 Mar 24, 1999, 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/BSL/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Xetra
Common questions
BSL share price history
