Xetra · AOF · stock
ATOSS Software SE (AOF) stock price history
Every Xetra trading session of ATOSS Software SE from Jun 11, 1999 to Sep 28, 2026: 6,979 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.
AOF adjusted close, 1999 to 2026
- €140.44
- All time high, 2025
- €120.43
- 52 week high, €65.00 low
- 6,979
- 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.
AOF key facts
- ATOSS Software SE (AOF) closed at €80.00 on Sep 28, 2026 on Xetra.
- AOF's all time high close is €140.44, set on Jul 16, 2025; its all time low close is €0.3522 on Oct 10, 2001.
- AOF's 52 week range is €65.00 to €120.43.
- AOF returned -22.0% over the year to Sep 28, 2026 and -0.3% over five years.
- Over ten years AOF returned +623%, +21.9% a year compounded.
- AOF's deepest drawdown was -91.7% from Aug 21, 2000 to Oct 10, 2001.
- DataCedar holds 6,979 daily sessions of AOF history from Jun 11, 1999 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
AOF price chart, 1999 to 2026
AOF returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -21.4% |
| 3 months | +18.2% |
| 6 months | +12.7% |
| Year to date | -28.6% |
| 1 year | -22.0% |
| 3 years | -12.4% |
| 5 years | -0.3% |
| 10 years | +622.7% |
| Since Jun 11, 1999 | +21,876% |
| Compound annual growth, 27.3 years | +21.8% |
AOF records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- €140.44 on Jul 16, 2025
- All time low close
- €0.3522 on Oct 10, 2001
- 52 week high
- €120.43 on Jan 13, 2026
- 52 week low
- €65.00 on Jun 26, 2026
- Deepest drawdown
- -91.7% from Aug 21, 2000 to Oct 10, 2001, recovered Jan 30, 2013
- Best single session
- +651.6% on Mar 21, 2000
- Worst single session
- -45.6% on Nov 13, 2000
- Volatility, 1 year annualised
- 44.4%
- Sessions closing higher, 1 year
- 43%
- Growth of 1 since 1999
- 220×
- Best calendar year
- 2000, +128%
- Worst calendar year
- 2001, -36%
AOF 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 Jun 11, 1999; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | €111.30 | €120.43 | €65.00 | €80.00 | -28.6% | 5.2M | 189 |
| 2025 | €109.70 | €143.35 | €94.89 | €112.08 | +2.7% | 3.9M | 253 |
| 2024 | €98.99 | €139.89 | €91.83 | €109.13 | +10.8% | 3.1M | 254 |
| 2023 | €65.43 | €110.54 | €60.33 | €98.52 | +52.5% | 2.3M | 255 |
| 2022 | €99.84 | €100.53 | €50.86 | €64.60 | -35.0% | 3.3M | 257 |
| 2021 | €71.03 | €103.50 | €65.13 | €99.38 | +38.6% | 4.4M | 255 |
| 2020 | €32.32 | €73.30 | €21.47 | €71.71 | +123.4% | 2.5M | 254 |
| 2019 | €16.89 | €32.54 | €16.59 | €32.10 | +89.5% | 1.4M | 251 |
| 2018 | €15.95 | €20.90 | €15.18 | €16.94 | +7.6% | 926.6K | 252 |
| 2017 | €11.13 | €17.16 | €11.13 | €15.74 | +43.5% | 1M | 255 |
| 2016 | €13.71 | €15.16 | €10.28 | €10.97 | -20.6% | 1.4M | 255 |
| 2015 | €6.54 | €14.75 | €6.33 | €13.82 | +115.7% | 1.9M | 254 |
| 2014 | €5.52 | €6.76 | €4.99 | €6.40 | +16.7% | 1.2M | 252 |
| 2013 | €3.60 | €6.22 | €3.56 | €5.49 | +54.5% | 3.1M | 252 |
| 2012 | €2.74 | €3.90 | €2.73 | €3.55 | +29.9% | 1.6M | 253 |
| 2011 | €2.62 | €3.03 | €2.43 | €2.74 | +1.3% | 2M | 256 |
| 2010 | €1.89 | €2.79 | €1.70 | €2.70 | +44.1% | 4.9M | 256 |
| 2009 | €1.07 | €2.16 | €0.9936 | €1.87 | +76.2% | 4.4M | 254 |
| 2008 | €1.17 | €1.31 | €0.7654 | €1.06 | -9.4% | 2.6M | 254 |
| 2007 | €1.44 | €1.63 | €1.08 | €1.17 | -17.0% | 3.7M | 252 |
| 2006 | €0.7930 | €1.69 | €0.7573 | €1.42 | +75.6% | 6.6M | 255 |
| 2005 | €0.8504 | €0.9507 | €0.6949 | €0.8063 | -8.4% | 2.5M | 260 |
| 2004 | €1.23 | €1.28 | €0.7130 | €0.8803 | -28.2% | 5.2M | 262 |
| 2003 | €0.6062 | €1.46 | €0.6054 | €1.23 | +102.3% | 4.4M | 261 |
| 2002 | €0.5801 | €0.7795 | €0.4725 | €0.6062 | +4.5% | 4M | 261 |
| 2001 | €0.9109 | €1.30 | €0.3379 | €0.5801 | -36.3% | 14.2M | 261 |
| 2000 | €0.3989 | €4.23 | €0.3989 | €0.9109 | +128.4% | 8.9M | 260 |
| 1999 | €0.3640 | €0.3989 | €0.3640 | €0.3989 | n/a | 2K | 146 |
AOF monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | €80.00 | -21.3% |
| August 2026 | €101.60 | +20.7% |
| July 2026 | €84.20 | +25.9% |
| June 2026 | €66.90 | -13.1% |
| May 2026 | €77.00 | +0.1% |
| April 2026 | €76.92 | +4.2% |
| March 2026 | €73.81 | -13.6% |
| February 2026 | €85.47 | -9.7% |
| January 2026 | €94.69 | -15.5% |
| December 2025 | €112.08 | +0.2% |
| November 2025 | €111.88 | -0.9% |
| October 2025 | €112.85 | +5.6% |
About the AOF data
Daily bars. 6,979 sessions from Jun 11, 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 Jun 11, 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/AOF/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Xetra
Common questions
AOF share price history
