Spero Therapeutics Inc. (SPRO)
NASDAQ: SPRO
· Real-Time Price · USD
1.83
-0.01 (-0.54%)
At close: Aug 20, 2025, 3:59 PM
1.77
-3.28%
Pre-market: Aug 21, 2025, 05:04 AM EDT
SPRO Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj Close | % Change | Volume |
|---|---|---|---|---|---|---|---|
| Aug 20, 2025 | 1.81 | 1.85 | 1.80 | 1.83 | 1.83 | -0.54% | 441,372 |
| Aug 19, 2025 | 1.88 | 1.91 | 1.84 | 1.84 | 1.84 | -3.66% | 367,449 |
| Aug 18, 2025 | 1.91 | 1.94 | 1.89 | 1.91 | 1.91 | 0.00% | 521,504 |
| Aug 15, 2025 | 1.95 | 1.96 | 1.85 | 1.91 | 1.91 | -3.54% | 1,046,944 |
| Aug 14, 2025 | 1.92 | 2.01 | 1.92 | 1.98 | 1.98 | 2.06% | 626,243 |
| Aug 13, 2025 | 2.15 | 2.15 | 1.92 | 1.94 | 1.94 | -17.80% | 2,491,200 |
| Aug 12, 2025 | 2.21 | 2.38 | 2.21 | 2.36 | 2.36 | 7.27% | 677,646 |
| Aug 11, 2025 | 2.19 | 2.23 | 2.15 | 2.20 | 2.20 | 0.46% | 360,244 |
| Aug 8, 2025 | 2.16 | 2.23 | 2.16 | 2.19 | 2.19 | 0.92% | 402,219 |
| Aug 7, 2025 | 2.25 | 2.27 | 2.13 | 2.17 | 2.17 | -3.98% | 1,003,359 |
| Aug 6, 2025 | 2.15 | 2.31 | 2.15 | 2.26 | 2.26 | 6.60% | 817,747 |
| Aug 5, 2025 | 2.29 | 2.33 | 2.11 | 2.12 | 2.12 | -6.19% | 2,317,529 |
| Aug 4, 2025 | 2.32 | 2.39 | 2.20 | 2.26 | 2.26 | -1.74% | 950,419 |
| Aug 1, 2025 | 2.26 | 2.33 | 2.22 | 2.30 | 2.30 | -0.86% | 518,730 |
| Jul 31, 2025 | 2.17 | 2.44 | 2.17 | 2.32 | 2.32 | 6.91% | 922,500 |
| Jul 30, 2025 | 2.25 | 2.26 | 2.16 | 2.17 | 2.17 | -1.36% | 485,100 |
| Jul 29, 2025 | 2.29 | 2.31 | 2.17 | 2.20 | 2.20 | -4.35% | 879,108 |
| Jul 28, 2025 | 2.30 | 2.35 | 2.29 | 2.30 | 2.30 | -1.29% | 295,621 |
| Jul 25, 2025 | 2.34 | 2.40 | 2.32 | 2.33 | 2.33 | -0.85% | 350,749 |
| Jul 24, 2025 | 2.38 | 2.41 | 2.35 | 2.35 | 2.35 | -1.26% | 368,540 |