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May 8, 2024 · earnings

KPTI earnings: a negative outcome, -7.3%

On May 8, 2024, Karyopharm Therapeutics Inc. reached its earnings. The result was a negative outcome, and the stock moved -7.3% in the window around the event. It had already run -16.3% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.

The move

$16.50
1d before
$15.30
Event day
$16.05
1d after
$16.80
5d after

Pre-catalyst setup

-16.3%
30-day run-up
11521%
30-day volatility
0.9×
volume spike