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Spero Therapeutics (SPRO) Historical Prices
| Date | Open | High | Low | Close | Adj Close | % Change | Volume | Relative Volume |
|---|---|---|---|---|---|---|---|---|
| Oct 30, 2026 | 1.11 | 1.12 | 1.05 | 1.06 | 1.06 | -4.50% | 308,863 | 0.53 |
| Oct 29, 2026 | 1.18 | 1.18 | 1.11 | 1.11 | 1.11 | -5.13% | 209,416 | 0.35 |
| Oct 28, 2026 | 1.18 | 1.18 | 1.12 | 1.17 | 1.17 | +2.63% | 338,063 | 0.55 |
| Oct 27, 2026 | 1.08 | 1.14 | 1.04 | 1.14 | 1.14 | +6.54% | 507,344 | 0.83 |
| Oct 26, 2026 | 1.10 | 1.11 | 1.06 | 1.07 | 1.07 | -3.60% | 513,860 | 0.83 |
| Oct 23, 2026 | 1.13 | 1.13 | 1.10 | 1.11 | 1.11 | -1.77% | 316,181 | 0.50 |
| Oct 22, 2026 | 1.16 | 1.17 | 1.13 | 1.13 | 1.13 | -3.42% | 201,699 | 0.31 |
| Oct 21, 2026 | 1.21 | 1.22 | 1.17 | 1.17 | 1.17 | -4.10% | 265,711 | 0.32 |
| Oct 20, 2026 | 1.12 | 1.24 | 1.11 | 1.22 | 1.22 | +8.93% | 679,284 | 0.77 |
| Oct 19, 2026 | 1.09 | 1.13 | 1.09 | 1.12 | 1.12 | +1.82% | 203,028 | 0.22 |
| Oct 16, 2026 | 1.14 | 1.17 | 1.09 | 1.10 | 1.10 | -2.65% | 361,277 | 0.38 |
| Oct 15, 2026 | 1.12 | 1.14 | 1.11 | 1.13 | 1.13 | +0.89% | 233,830 | 0.24 |
| Oct 14, 2026 | 1.15 | 1.17 | 1.11 | 1.12 | 1.12 | -2.61% | 697,610 | 0.71 |
| Oct 13, 2026 | 1.19 | 1.20 | 1.15 | 1.15 | 1.15 | -2.54% | 272,493 | 0.27 |
| Oct 12, 2026 | 1.20 | 1.22 | 1.17 | 1.18 | 1.18 | -1.67% | 414,257 | 0.40 |
| Oct 09, 2026 | 1.14 | 1.21 | 1.13 | 1.20 | 1.20 | +5.26% | 439,175 | 0.36 |
| Oct 08, 2026 | 1.20 | 1.22 | 1.13 | 1.14 | 1.14 | -2.56% | 719,788 | 0.60 |
| Oct 07, 2026 | 1.19 | 1.19 | 1.16 | 1.17 | 1.17 | -1.68% | 236,670 | 0.20 |
| Oct 06, 2026 | 1.21 | 1.24 | 1.18 | 1.19 | 1.19 | +2.59% | 347,570 | 0.29 |
| Oct 05, 2026 | 1.17 | 1.20 | 1.15 | 1.16 | 1.16 | -2.52% | 935,691 | 0.78 |
| Oct 02, 2026 | 1.26 | 1.27 | 1.17 | 1.19 | 1.19 | -5.56% | 906,916 | 0.76 |
| Oct 01, 2026 | 1.22 | 1.31 | 1.20 | 1.26 | 1.26 | +4.13% | 1,039,159 | 0.88 |
| Sep 30, 2026 | 1.21 | 1.29 | 1.20 | 1.21 | 1.21 | +0.83% | 558,213 | 0.47 |
| Sep 29, 2026 | 1.20 | 1.22 | 1.17 | 1.20 | 1.20 | +0.84% | 334,908 | 0.28 |
| Sep 28, 2026 | 1.22 | 1.22 | 1.18 | 1.19 | 1.19 | -3.25% | 393,255 | 0.33 |
| Sep 25, 2026 | 1.27 | 1.29 | 1.21 | 1.23 | 1.23 | -1.60% | 542,770 | 0.46 |
| Sep 24, 2026 | 1.25 | 1.29 | 1.24 | 1.25 | 1.25 | -0.79% | 476,931 | 0.40 |
| Sep 23, 2026 | 1.36 | 1.40 | 1.24 | 1.26 | 1.26 | -7.35% | 1,403,213 | 1.18 |
| Sep 22, 2026 | 1.30 | 1.44 | 1.28 | 1.36 | 1.36 | +19.30% | 7,764,493 | 7.13 |
| Sep 21, 2026 | 1.14 | 1.15 | 1.12 | 1.14 | 1.14 | +0.88% | 319,103 | 0.29 |
| Sep 18, 2026 | 1.12 | 1.21 | 1.12 | 1.13 | 1.13 | +0.89% | 501,371 | 0.46 |
| Sep 17, 2026 | 1.14 | 1.14 | 1.11 | 1.12 | 1.12 | +0.90% | 176,833 | 0.16 |
| Sep 16, 2026 | 1.12 | 1.14 | 1.10 | 1.11 | 1.11 | -1.77% | 439,642 | 0.35 |
| Sep 15, 2026 | 1.14 | 1.15 | 1.11 | 1.13 | 1.13 | -0.88% | 225,284 | 0.16 |
| Sep 14, 2026 | 1.13 | 1.16 | 1.13 | 1.14 | 1.14 | +0.88% | 267,141 | 0.19 |
| Sep 11, 2026 | 1.13 | 1.15 | 1.13 | 1.13 | 1.13 | +0.89% | 310,631 | 0.22 |
| Sep 10, 2026 | 1.18 | 1.18 | 1.12 | 1.12 | 1.12 | -4.27% | 569,285 | 0.39 |
| Sep 09, 2026 | 1.20 | 1.21 | 1.17 | 1.17 | 1.17 | -1.68% | 367,060 | 0.25 |
| Sep 08, 2026 | 1.21 | 1.22 | 1.19 | 1.19 | 1.19 | -1.65% | 348,592 | 0.24 |
| Sep 07, 2026 | 1.20 | 1.22 | 1.19 | 1.21 | 1.21 | +0.00% | 0 | 0.00 |
| Sep 04, 2026 | 1.20 | 1.22 | 1.19 | 1.21 | 1.21 | -0.82% | 362,983 | 0.24 |
| Sep 03, 2026 | 1.22 | 1.23 | 1.20 | 1.22 | 1.22 | +0.00% | 203,324 | 0.14 |
| Sep 02, 2026 | 1.20 | 1.24 | 1.20 | 1.22 | 1.22 | +1.67% | 169,514 | 0.11 |
| Sep 01, 2026 | 1.22 | 1.22 | 1.18 | 1.20 | 1.20 | -1.64% | 382,297 | 0.25 |
| Aug 31, 2026 | 1.20 | 1.23 | 1.20 | 1.22 | 1.22 | +1.67% | 338,465 | 0.22 |
| Aug 28, 2026 | 1.21 | 1.22 | 1.18 | 1.20 | 1.20 | -0.83% | 312,272 | 0.21 |
| Aug 27, 2026 | 1.22 | 1.23 | 1.18 | 1.21 | 1.21 | -0.82% | 538,487 | 0.35 |
| Aug 26, 2026 | 1.22 | 1.23 | 1.20 | 1.22 | 1.22 | -0.81% | 154,762 | 0.10 |
| Aug 25, 2026 | 1.23 | 1.26 | 1.20 | 1.23 | 1.23 | +1.23% | 645,513 | 0.41 |
| Aug 24, 2026 | 1.22 | 1.24 | 1.20 | 1.22 | 1.22 | -0.41% | 367,273 | 0.23 |