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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 January 07, 2026, is $2.63.
  • 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 420.59% to $2.63 now.
  • The 52-week high stock price for SPRO is $3.22, representing a 22.43% increase from the current share price, occurred on July 09, 2025.
  • The 52-week low stock price for SPRO is $0.5052, indicating a -80.79% decrease from the current share price, occurred on April 09, 2025.
  • 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:
Date High Low High - Low Volume % Change
Jan 07, 2026 $2.65 $2.49 $0.165 265,637.0 +4.58%
Jan 06, 2026 $2.52 $2.42 $0.105 278,921.0 +3.29%
Jan 05, 2026 $2.47 $2.38 $0.0889 303,531.0 +3.40%
Jan 02, 2026 $2.37 $2.30 $0.07 236,381.0 +0.86%
Dec 31, 2025 $2.33 $2.27 $0.06 214,812.0 +2.64%
Dec 30, 2025 $2.30 $2.27 $0.03 194,515.0 -1.30%
Dec 29, 2025 $2.32 $2.27 $0.05 163,117.0 -0.86%
Dec 26, 2025 $2.37 $2.27 $0.10 279,549.0 -0.85%
Dec 24, 2025 $2.36 $2.31 $0.05 89,743.0 +0.43%
Dec 23, 2025 $2.42 $2.31 $0.105 244,483.0 -1.69%
Dec 22, 2025 $2.37 $2.29 $0.08 259,057.0 +2.16%
Dec 19, 2025 $2.42 $2.28 $0.14 463,632.0 +1.31%
Dec 18, 2025 $2.33 $2.28 $0.055 290,173.0 -0.87%
Dec 17, 2025 $2.38 $2.29 $0.09 307,610.0 +1.76%
Dec 16, 2025 $2.31 $2.25 $0.055 201,670.0 -0.87%
Dec 15, 2025 $2.35 $2.29 $0.065 202,773.0 -1.29%
Dec 12, 2025 $2.36 $2.30 $0.06 287,132.0 -1.28%
Dec 11, 2025 $2.36 $2.31 $0.0499 185,483.0 +0.86%
Dec 10, 2025 $2.39 $2.31 $0.08 335,423.0 +0.00%
Dec 09, 2025 $2.35 $2.25 $0.0925 348,499.0 +0.87%

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
Jan, 2026 $2.65 $2.30 $0.355 1,084,470.0 +12.66%

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%
$41.26
price up icon 1.43%
$33.87
price up icon 2.31%
$110.95
price up icon 3.98%
$99.37
price up icon 1.26%
biotechnology ONC
$333.13
price up icon 3.91%
$177.81
price up icon 1.21%
Cap:     |  Volume (24h):