ATOSS stock slips 2.90 percent ahead of the open
Published on 09/23/2026 at 05:34 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
ATOSS stock closed at EUR 90.30 on the Xetra reference market on September 22, 2026, down 2.90 percent from the previous session. The SDAX rose 1.05 percent to 18,410.84 on the same date, leaving ATOSS behind its small-cap benchmark.
September 22, 2026 in numbers
ATOSS Software SE (ISIN DE0005104400, Xetra: AOF) was quoted at EUR 90.30 on September 22, 2026. Börse Hamburg data also recorded the same price and a decline of EUR 2.70, or 2.90 percent, on that date. The reported market capitalization was EUR 2.14 billion as of September 22, 2026.
The session move followed a recent UBS initiation with a Neutral rating and a EUR 100 price target. As Ad-hoc-news reported, the coverage was associated with pressure on the shares and cited valuation near 21 times estimated 2027 enterprise-value-to-free-cash-flow.
September 23, 2026 outlook
The US session had not opened by publication time. The last completed Xetra session therefore remains the reference for ATOSS, while the September 22, 2026 SDAX close provides the relevant benchmark for the stock's performance.
