stockNASDAQ: SPRO • 3 Months Updates
Spero Therapeutics Inc. (SPRO) 3 Months
Showing Closing Date Range from Jul 18 to Oct 16, 2026.
Investor Relations:investors.sperotherapeutics.com
Price & Performance Trajectory
Spero Therapeutics Inc.NASDAQ: SPRO
Latest Close
$1.10
3 Months Updates Trajectory
Showing Closing Date Range from Jul 18 to Oct 16, 2026.Loading trajectory chart...
Click metric scorecards below to toggle price, return %, range & volume curvesSPRO session performance
✓ Latest Close USD
$1.10
Latest session close
$-0.34vs period start
Period Return % % GAIN
-23.61%
Net period trajectory
Cumulative ReturnNormalized
High / Low Range SPREAD
$1.57 / $1.08
Period range envelope
$0.49channel spread
Total Volume SHARES
59.26M
Period turnover
Avg: 987.7K/dLiquidity
Historical Session Ledger
Daily open, high, low, and close prices with volume and period returns.
Historical Quotes & Breakdown(60 dates)
| Date | Close (USD) | Return % | High | Low | Volume |
|---|---|---|---|---|---|
| Oct 16, 2026 | $1.10 | -2.65% | $1.17 | $1.09 | 361.2K |
| Oct 15, 2026 | $1.13 | +0.89% | $1.14 | $1.11 | 233.8K |
| Oct 14, 2026 | $1.12 | -2.61% | $1.17 | $1.11 | 695.7K |
| Oct 13, 2026 | $1.15 | -2.54% | $1.20 | $1.15 | 272.5K |
| Oct 12, 2026 | $1.18 | -1.67% | $1.22 | $1.17 | 413.9K |
| Oct 09, 2026 | $1.20 | +5.26% | $1.21 | $1.13 | 437.6K |
| Oct 08, 2026 | $1.14 | -2.56% | $1.22 | $1.13 | 718.8K |
| Oct 07, 2026 | $1.17 | -1.68% | $1.19 | $1.16 | 230.7K |
| Oct 06, 2026 | $1.19 | +2.59% | $1.21 | $1.18 | 346.8K |
| Oct 05, 2026 | $1.16 | -2.52% | $1.19 | $1.15 | 934.7K |
| Oct 02, 2026 | $1.19 | -5.56% | $1.27 | $1.17 | 906.9K |
| Sep 25, 2026 | $1.23 | -1.60% | $1.29 | $1.21 | 541.8K |
| Sep 24, 2026 | $1.25 | -0.79% | $1.29 | $1.24 | 473.9K |
| Sep 23, 2026 | $1.26 | -7.35% | $1.40 | $1.24 | 1.40M |
| Sep 22, 2026 | $1.36 | +19.30% | $1.44 | $1.28 | 7.76M |
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