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August 10, 2022 · earnings

SPRO earnings: a positive outcome, +9.5%

On August 10, 2022, Spero Therapeutics, Inc. reached its earnings. The result was a positive outcome, and the stock moved +9.5% in the window around the event.

The move

$0.78
1d before
$0.85
Event day
$0.78
1d after
$0.90
5d after

Pre-catalyst setup

+3.8%
30-day run-up
6529%
30-day volatility
2.7×
volume spike