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1.195
2.85%
-0.035
After Hours:
1.19
-0.005
-0.42%
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 August 17, 2026, is $1.195.
- 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 136.54% to $1.195 now.
- The 52-week high stock price for SPRO is $3.08, representing a 157.74% increase from the current share price, occurred on May 27, 2026.
- The 52-week low stock price for SPRO is $1.08, indicating a -9.62% 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 $15.15. The stock closed the year at $1.73, a loss of over -88.58% 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 |
|---|---|---|---|---|---|
| Aug 17, 2026 | $1.24 | $1.19 | $0.05 | 271,002.0 | -2.85% |
| Aug 14, 2026 | $1.26 | $1.19 | $0.0663 | 744,543.0 | -0.81% |
| Aug 13, 2026 | $1.30 | $1.21 | $0.09 | 1,291,867.0 | +4.20% |
| Aug 12, 2026 | $1.25 | $1.19 | $0.06 | 764,877.0 | -3.25% |
| Aug 11, 2026 | $1.25 | $1.21 | $0.04 | 364,059.0 | +0.00% |
| Aug 10, 2026 | $1.28 | $1.23 | $0.051 | 350,798.0 | -2.38% |
| Aug 07, 2026 | $1.28 | $1.24 | $0.0395 | 458,505.0 | -0.79% |
| Aug 06, 2026 | $1.27 | $1.23 | $0.045 | 971,568.0 | +0.79% |
| Aug 05, 2026 | $1.28 | $1.21 | $0.07 | 574,336.0 | +2.44% |
| Aug 04, 2026 | $1.25 | $1.15 | $0.10 | 751,946.0 | +6.96% |
| Aug 03, 2026 | $1.22 | $1.12 | $0.095 | 1,372,871.0 | -1.71% |
| Jul 31, 2026 | $1.21 | $1.17 | $0.0438 | 811,446.0 | -2.50% |
| Jul 30, 2026 | $1.22 | $1.18 | $0.045 | 486,378.0 | +0.84% |
| Jul 29, 2026 | $1.21 | $1.16 | $0.05 | 1,055,392.0 | -0.42% |
| Jul 28, 2026 | $1.28 | $1.15 | $0.13 | 1,602,356.0 | +1.27% |
| Jul 27, 2026 | $1.23 | $1.16 | $0.0699 | 1,344,742.0 | -0.84% |
| Jul 24, 2026 | $1.23 | $1.08 | $0.15 | 11,752,529.0 | +2.59% |
| Jul 23, 2026 | $1.28 | $1.10 | $0.18 | 3,710,457.0 | -8.66% |
| Jul 22, 2026 | $1.41 | $1.25 | $0.16 | 1,987,759.0 | -7.97% |
| Jul 21, 2026 | $1.44 | $1.37 | $0.07 | 2,179,850.0 | -4.17% |
| Jul 20, 2026 | $1.57 | $1.41 | $0.16 | 1,708,020.0 | -8.86% |
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 |
|---|---|---|---|---|---|
| Aug, 2026 | $1.30 | $1.12 | $0.175 | 7,916,372.0 | +2.14% |
| 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% |
2.67%
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