SPRO
Spero Therapeutics, Inc.
NASDAQ · Healthcare · Biotechnology · US
$1.21
−0.82%Price returns
Price only, unadjusted for dividends
- 1 day
- -0.8%
- 5 days
- +0.4%
- 1 month
- -4.4%
- 3 months
- -57.3%
- 6 months
- -47.4%
- Year to date
- -48.3%
- 1 year
- -44.0%
- 3 years
- -15.7%
- 5 years
- -93.4%
- 10 years
- —
Moving averages
- SMA 10 · Below
- $1.21
- Price vs SMA 10
- -0.7%
- SMA 50 · Below
- $1.47
- Price vs SMA 50
- -17.9%
- SMA 200 · Below
- $2.22
- Price vs SMA 200
- -45.6%
Relative strength
14-day RSI
- RSI 14-day
- 37.9
- RSI signal
- Neutral
Multi-period price returns, moving averages and the latest 14-day relative strength index · Data as of Jun 1, 2026