Spero Therapeutics, Inc. (SPRO) short interest & options flow
NASDAQSPRO short interest fell 22% over the past week to 1.74% of float, though shares shorted ticked up 4.2% in the last day to 978k.
- Market cap
- $59M
- Next earnings
- 13 Nov 2026
Key data as of 12 Nov 2026

Latest signals on SPRO
- Short Interest
SPRO short interest fell 22% over the past week to 1.74% of float, though shares shorted ticked up 4.2% in the last day to 978k.
SPRO news and analysis
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