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May 6, 2022 · earnings

RARE earnings: a negative outcome, -13.4%

On May 6, 2022, Ultragenyx Pharmaceutical Inc. reached its earnings. The result was a negative outcome, and the stock moved -13.4% in the window around the event. It had already run -13.7% in the 30 days into the catalyst — the kind of pre-event run-up that often precedes binary readouts.

The move

$66.43
1d before
$57.54
Event day
$57.54
1d after
$50.88
5d after

Pre-catalyst setup

-13.7%
30-day run-up
4933%
30-day volatility
0.9×
volume spike