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September 9, 2026 · Data Readout

CMPS Data Readout: a positive outcome, +8.0%

On September 9, 2026, Compass Pathways plc reached its Data Readout. The result was a positive outcome, and the stock moved +8.0% in the window around the event.

The move

$14.04
1d before
$15.17
Event day
$14.22
1d after
$14.22
5d after

Pre-catalyst setup

+0.7%
30-day run-up
5633%
30-day volatility
1.3×
volume spike