DSY.PA · PEAD → 0

Dassault Systèmes reported Q1 2026 EPS of €0.30 on 2026-04-23, matching the €0.30 consensus exactly (0% beat/miss); prior-year comparison is not available in the current feed.

Print-day reaction was +1.8% versus the prior close, as the stock opened sharply higher before retracing to close at €19.265. The overnight gap to the T+1 open was −0.6%, signalling a modest after-hours fade against the initial pop. Over the following two trading days the price drifted −4.1%, fully reversing and then some of the earnings-day gain. Cumulative abnormal return of −0.7% versus SPY sits well within the ±3% neutral band, yielding a PEAD verdict of none with zero conviction; no drift signal is read through 2026-07-21.