price
SP
NASDAQ · SPRO
Spero Therapeutics, Inc.
Healthcare · Biotechnology
$1.06
Down-$0.02 (-1.89%)
Updated Nov 2, 2026, 8:12 PM
SID Score
3.0/10
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
- $1.04 – $3.08
- Volume
- 309.87K
- Avg. volume
- 638.96K
Price performance · SPRO
SPRO price history
1M range · 20 trading sessions · Daily adjusted prices
Prices through Oct 30, 2026
SPRO closed at $1.06 after 20 trading sessions, down 8.62% for the selected period.
- Last close
- $1.06
- Period change
- -8.62%
- Period low
- $1.06
- Period high
- $1.22
Daily close
View OHLC price history
| Date | Open | High | Low | Close | Volume |
|---|---|---|---|---|---|
| Oct 30, 2026 | $1.11 | $1.115 | $1.05 | $1.06 | 309.87K |
| Oct 29, 2026 | $1.18 | $1.18 | $1.11 | $1.11 | 209.73K |
| Oct 28, 2026 | $1.18 | $1.18 | $1.12 | $1.17 | 338.85K |
| Oct 27, 2026 | $1.08 | $1.14 | $1.04 | $1.14 | 507.85K |
| Oct 26, 2026 | $1.10 | $1.11 | $1.06 | $1.07 | 513.87K |
| Oct 23, 2026 | $1.13 | $1.13 | $1.10 | $1.11 | 316.55K |
| Oct 22, 2026 | $1.16 | $1.17 | $1.13 | $1.13 | 203.27K |
| Oct 21, 2026 | $1.21 | $1.22 | $1.165 | $1.17 | 265.71K |
| Oct 20, 2026 | $1.12 | $1.24 | $1.11 | $1.22 | 679.28K |
| Oct 19, 2026 | $1.09 | $1.13 | $1.09 | $1.12 | 203.03K |
| Oct 16, 2026 | $1.14 | $1.17 | $1.09 | $1.10 | 361.28K |
| Oct 15, 2026 | $1.12 | $1.14 | $1.11 | $1.13 | 233.83K |
| Oct 14, 2026 | $1.15 | $1.17 | $1.11 | $1.12 | 697.61K |
| Oct 13, 2026 | $1.19 | $1.2027 | $1.15 | $1.15 | 272.49K |
| Oct 12, 2026 | $1.20 | $1.22 | $1.165 | $1.18 | 414.26K |
| Oct 9, 2026 | $1.14 | $1.21 | $1.13 | $1.20 | 439.18K |
| Oct 8, 2026 | $1.20 | $1.22 | $1.13 | $1.14 | 719.79K |
| Oct 7, 2026 | $1.19 | $1.19 | $1.16 | $1.17 | 236.67K |
| Oct 6, 2026 | $1.21 | $1.236 | $1.18 | $1.19 | 347.57K |
| Oct 5, 2026 | $1.17 | $1.20 | $1.15 | $1.16 | 942.72K |
Latest SPRO news
The latest Smart Investors Daily articles mentioning SPRO.
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