price
SP
NASDAQ · SPRO
Spero Therapeutics, Inc.
Healthcare · Biotechnology
$1.22
Up+$0.01 (+0.83%)
Updated Aug 23, 2026, 8:22 PM
SID Score
3.2/10
Composite research score
Smart Money
—
Institutional and insider signal
- Market cap
- 132.38M
- P/E ratio
- -3.02
- Dividend yield
- 0.00%
- 52-week range
- $1.08 – $3.08
- Volume
- 359.14K
- Avg. volume
- 638.96K
Price performance
SPRO price history
1M range · 20 trading sessions · Daily adjusted prices
SPRO closed at $1.22 after 20 trading sessions, up 3.39% for the selected period.
- Last close
- $1.22
- Period change
- +3.39%
- Period low
- $1.15
- Period high
- $1.27
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Aug 21, 2026 | $1.22 | $1.2462 | $1.21 | $1.22 | 359.14K |
| Aug 20, 2026 | $1.22 | $1.27 | $1.20 | $1.21 | 558.77K |
| Aug 19, 2026 | $1.20 | $1.24 | $1.192 | $1.23 | 480.18K |
| Aug 18, 2026 | $1.20 | $1.20 | $1.175 | $1.20 | 477.41K |
| Aug 17, 2026 | $1.21 | $1.24 | $1.19 | $1.19 | 299.01K |
| Aug 14, 2026 | $1.26 | $1.26 | $1.1937 | $1.23 | 744.55K |
| Aug 13, 2026 | $1.26 | $1.30 | $1.21 | $1.24 | 1.29M |
| Aug 12, 2026 | $1.24 | $1.245 | $1.185 | $1.19 | 774.55K |
| Aug 11, 2026 | $1.24 | $1.25 | $1.21 | $1.23 | 364.06K |
| Aug 10, 2026 | $1.25 | $1.276 | $1.225 | $1.23 | 351.02K |
| Aug 7, 2026 | $1.27 | $1.2795 | $1.24 | $1.26 | 459.03K |
| Aug 6, 2026 | $1.26 | $1.275 | $1.23 | $1.27 | 974.68K |
| Aug 5, 2026 | $1.25 | $1.28 | $1.21 | $1.26 | 574.91K |
| Aug 4, 2026 | $1.15 | $1.25 | $1.15 | $1.23 | 752.11K |
| Aug 3, 2026 | $1.19 | $1.22 | $1.125 | $1.15 | 1.37M |
| Jul 31, 2026 | $1.20 | $1.2138 | $1.17 | $1.17 | 824.58K |
| Jul 30, 2026 | $1.20 | $1.22 | $1.175 | $1.20 | 487.67K |
| Jul 29, 2026 | $1.20 | $1.21 | $1.16 | $1.19 | 1.06M |
| Jul 28, 2026 | $1.18 | $1.28 | $1.15 | $1.195 | 1.6M |
| Jul 27, 2026 | $1.20 | $1.2299 | $1.16 | $1.18 | 1.35M |
Latest SPRO news
The latest Smart Investors Daily articles mentioning SPRO.
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