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1.10
2.65%
-0.03
Spero Therapeutics Inc Stock (SPRO) Price History
The historical daily chart and data for Spero Therapeutics Inc stock (SPRO), show that the latest closing stock price as of October 16, 2026, is $1.10.
- Spero Therapeutics Inc all-time high stock price is $23.64, occurred on December 28, 2020.
- The lowest Spero Therapeutics Inc stock price recorded was $0.5052 on April 09, 2025. Since then, Spero Therapeutics Inc's stock price has risen over 117.74% to $1.10 now.
- The 52-week high stock price for SPRO is $3.08, representing a 180.00% increase from the current share price, occurred on May 27, 2026.
- The 52-week low stock price for SPRO is $1.08, indicating a -1.82% decrease from the current share price, occurred on July 24, 2026.
- The closing price of Spero Therapeutics Inc (SPRO) stock in the beginning of 2025 was $1.08. The stock closed the year at $2.33, a gain of over 115.74% for the year.
The table below shows more information about SPRO historical price data:
Daily
Weekly
Monthly
7D
30D
60D
YTD
1Y
| Date | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct 16, 2026 | $1.17 | $1.09 | $0.08 | 361,228.0 | -2.65% |
| Oct 15, 2026 | $1.14 | $1.11 | $0.03 | 233,830.0 | +0.89% |
| Oct 14, 2026 | $1.17 | $1.11 | $0.06 | 697,611.0 | -2.61% |
| Oct 13, 2026 | $1.20 | $1.15 | $0.0527 | 272,493.0 | -2.54% |
| Oct 12, 2026 | $1.22 | $1.17 | $0.055 | 414,258.0 | -1.67% |
| Oct 09, 2026 | $1.21 | $1.13 | $0.08 | 439,176.0 | +5.26% |
| Oct 08, 2026 | $1.22 | $1.13 | $0.09 | 719,788.0 | -2.56% |
| Oct 07, 2026 | $1.19 | $1.16 | $0.03 | 236,670.0 | -1.68% |
| Oct 06, 2026 | $1.24 | $1.18 | $0.056 | 347,570.0 | +2.59% |
| Oct 05, 2026 | $1.20 | $1.15 | $0.05 | 942,725.0 | -2.52% |
| Oct 02, 2026 | $1.27 | $1.17 | $0.0955 | 906,916.0 | -5.56% |
| Oct 01, 2026 | $1.31 | $1.20 | $0.115 | 1,039,211.0 | +4.13% |
| Sep 30, 2026 | $1.29 | $1.20 | $0.09 | 558,214.0 | +0.83% |
| Sep 29, 2026 | $1.22 | $1.17 | $0.05 | 334,906.0 | +0.84% |
| Sep 28, 2026 | $1.22 | $1.18 | $0.045 | 393,255.0 | -3.25% |
| Sep 25, 2026 | $1.29 | $1.21 | $0.08 | 542,771.0 | -1.60% |
| Sep 24, 2026 | $1.29 | $1.24 | $0.05 | 472,712.0 | -0.79% |
| Sep 23, 2026 | $1.40 | $1.24 | $0.1577 | 1,403,213.0 | -7.35% |
| Sep 22, 2026 | $1.44 | $1.28 | $0.16 | 7,764,493.0 | +19.30% |
| Sep 21, 2026 | $1.15 | $1.12 | $0.03 | 319,093.0 | +0.88% |
| Sep 18, 2026 | $1.21 | $1.11 | $0.095 | 498,102.0 | +0.89% |
Spero Therapeutics Inc Stock (SPRO) Year by Year Price History
In this detailed analysis, we present a comprehensive overview of the price movements of Spero Therapeutics Inc stock over the years. By exploring the year-by-year data, investors can gain valuable insights into the historical performance and volatility of SPRO shares. From significant milestones and fluctuations to notable trends, this in-depth examination of Spero Therapeutics Inc stock price history provides a foundation for understanding how the company's stock has evolved over time.
Spero Therapeutics Inc Stock (SPRO) Price History 2026
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Oct, 2026 | $1.31 | $1.09 | $0.22 | 6,611,476.0 | -9.09% |
| Sep, 2026 | $1.44 | $1.10 | $0.34 | 16,104,447.0 | -0.82% |
| Aug, 2026 | $1.30 | $1.12 | $0.175 | 12,143,363.0 | +4.27% |
| Jul, 2026 | $2.34 | $1.08 | $1.26 | 46,551,955.0 | -47.06% |
| Jun, 2026 | $3.07 | $1.95 | $1.12 | 36,632,847.0 | -21.91% |
| May, 2026 | $3.08 | $2.37 | $0.71 | 14,937,321.0 | +12.75% |
| Apr, 2026 | $2.92 | $2.34 | $0.585 | 9,625,502.0 | +7.26% |
| Mar, 2026 | $2.70 | $2.11 | $0.59 | 7,023,043.0 | +7.83% |
| Feb, 2026 | $2.49 | $2.10 | $0.39 | 7,241,855.0 | -0.91% |
| Jan, 2026 | $2.65 | $2.18 | $0.475 | 4,675,692.0 | -6.01% |
Spero Therapeutics Inc Stock (SPRO) Price History 2025
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2025 | $2.42 | $2.18 | $0.24 | 5,797,139.0 | -5.42% |
| Nov, 2025 | $2.75 | $2.21 | $0.54 | 9,346,686.0 | -1.23% |
| Oct, 2025 | $2.52 | $1.89 | $0.63 | 24,417,670.0 | +29.26% |
| Sep, 2025 | $2.19 | $1.84 | $0.355 | 6,394,822.0 | -9.18% |
| Aug, 2025 | $2.39 | $1.80 | $0.59 | 14,837,768.0 | -10.78% |
| Jul, 2025 | $3.22 | $2.16 | $1.06 | 16,967,524.0 | -20.00% |
| Jun, 2025 | $3.09 | $2.42 | $0.67 | 41,627,304.0 | +16.00% |
| May, 2025 | $2.80 | $0.57 | $2.23 | 215,663,778.0 | +279.94% |
| Apr, 2025 | $0.829 | $0.5052 | $0.3238 | 3,544,110.0 | -8.61% |
| Mar, 2025 | $0.92 | $0.70 | $0.22 | 2,421,788.0 | -7.17% |
| Feb, 2025 | $0.9498 | $0.7402 | $0.2096 | 4,236,328.0 | -9.46% |
| Jan, 2025 | $1.13 | $0.83 | $0.30 | 4,111,604.0 | -16.83% |
Spero Therapeutics Inc Stock (SPRO) Price History 2024
| Month | High | Low | High - Low | Volume | % Change |
|---|---|---|---|---|---|
| Dec, 2024 | $1.20 | $0.9187 | $0.2813 | 4,804,309.0 | -10.53% |
| Nov, 2024 | $1.34 | $1.10 | $0.24 | 5,962,053.0 | -7.32% |
| Oct, 2024 | $1.36 | $1.01 | $0.35 | 7,006,479.0 | -8.21% |
| Sep, 2024 | $1.42 | $1.24 | $0.18 | 2,130,900.0 | -2.19% |
| Aug, 2024 | $1.47 | $1.15 | $0.32 | 3,109,831.0 | -2.84% |
| Jul, 2024 | $1.53 | $1.27 | $0.26 | 1,988,878.0 | +8.46% |
| Jun, 2024 | $1.50 | $1.25 | $0.25 | 3,364,126.0 | -8.45% |
| May, 2024 | $1.72 | $1.41 | $0.31 | 3,240,683.0 | +0.00% |
| Apr, 2024 | $1.81 | $1.37 | $0.44 | 4,792,995.0 | -17.44% |
| Mar, 2024 | $1.89 | $1.62 | $0.265 | 10,445,857.0 | +4.24% |
| Feb, 2024 | $1.71 | $1.33 | $0.3801 | 4,745,080.0 | +8.55% |
| Jan, 2024 | $1.62 | $1.35 | $0.27 | 3,815,941.0 | +3.40% |
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