Stock Forecast Chart
Stock Price Prediction Summary
Forecast Score Based on 2 Weeks
Based on our forecast, the price of SPRO will decline by -13.62% over the next 2 Weeks and hit $1.87 by Wednesday, July 22, 2026. In that time frame, SPRO's share price is expected to range between $1.66 and $2.08.
BearishAverageBullish| Date | Predicted Lower | Predicted | Predicted Upper |
|---|---|---|---|
| Jul 22, 2026 | 1.66 | 1.87 | 2.08 |
| Jul 21, 2026 | 1.71 | 1.94 | 2.16 |
| Jul 20, 2026 | 1.81 | 2.03 | 2.24 |
| Jul 17, 2026 | 1.89 | 2.11 | 2.32 |
| Jul 16, 2026 | 1.85 | 2.06 | 2.26 |
| Jul 15, 2026 | 1.77 | 2.00 | 2.22 |
| Jul 14, 2026 | 1.85 | 2.07 | 2.29 |
| Jul 13, 2026 | 1.93 | 2.16 | 2.38 |
| Jul 10, 2026 | 2.01 | 2.23 | 2.46 |
| Jul 9, 2026 | 1.97 | 2.19 | 2.40 |
SPRO shares fell -2.30% in Thursday, July 9, 2026's trading session, dropping from a previous close of $2.17 to move at $2.12. The stock demonstrated notable intraday movement (see SPRO's key stats for a full breakdown), fluctuating between $2.12 and $2.20, a +3.77% trading range. While recent weeks have seen some volatility, SPRO has managed to secure a +4.95% gain over the past 2 weeks. The downward price movement was accompanied by increased trading volume, with approximately 369.17K shares changing hands, 65.26K more than the previous session. This amounted to $782.63K in total market activity.
Will SPRO Continue Its Downward Trend?
According to analyst ratings and projections for SPRO, Spero Therapeutics, Inc. shares are anticipated to decrease by -1.74%, potentially reaching $2.08 per share by July 22, 2026. Short-term technical indicators currently suggest a neutral sentiment for SPRO. For deeper insights, view our sentiment analysis on AAPL covering social and institutional perspectives. However, the stock has recorded 10 positive trading days within the past 30 sessions. Based on the SPRO stock forecast, now is not the best time to buy SPRO stock because its current trading price is +13.10% above our predicted value, hinting at a possible undervaluation. For deeper insights, view our sentiment analysis on SPRO covering social and institutional perspectives.
SPRO Technical Momentum: Overbought, Oversold, or Neutral?
An analysis of Relative Strength Index (RSI) indicators provides insight into SPRO's momentum. Short-term RSIs (9, 14, and 20-day figures ranging from 35.84% to 40.41%) suggest weak bearish momentum with possible fluctuation. The 50-day RSI, at 45.27%, suggests a neutral medium-term outlook. Additionally, the 100-day RSI, at 48.20%, maintains a neutral outlook for the long term. Insights into SPRO's shareholder base show how institutional investors are positioning themselves during these momentum shifts
Spero Therapeutics Short-Term Forecasts
SPRO Forecast For Next 5 Days
Our algorithm anticipates Spero Therapeutics (SPRO) stock could hit $2.15 by Jul 16, 2026. This represents a +1.56% fall from today's price, following a -5.18% change over the past five days.
SPRO Forecast For Next 30 Days
Based on analysis of market trends, the outlook for Spero Therapeutics, Inc. (SPRO) stock over the next 30 days is largely negative. Price forecasts suggest an average target of $2.01, which would mean a -5.19% decrease from the current price of $2.12. Projections for this period range from a high of $2.51 to a low of $1.52.
SPRO Forecast For Next 90 Days
Our proprietary market analysis suggests predictions for Spero Therapeutics's price over the next three months point to a rise. SPRO stock is expected to peak at $17.21 on Jul 16, 2026 before potentially dipping to $13.38 on Aug 13, 2026. On average, SPRO is likely to trade around $15.38 in the coming 90 days.
Spero Therapeutics Stock Forecast 2025
Based on our predictive models, Spero Therapeutics (SPRO) is expected to trade between $12.96 and $17.21 throughout 2026. This would result in an average price of $14.77, potentially offering investors a +596.70% return from current levels.
Spero Therapeutics, Inc. Monthly Forecast 2026–2027
July 2026
According to our latest forecast models, Spero Therapeutics, Inc. (SPRO) is positioned to show a strong performance in July 2026. The price is predicted to move between $14.52 and $17.21, settling at an average of $16.05. This could translate to a +657.08% gain.
August 2026
Based on current market signals, Spero Therapeutics, Inc. is projected to trend august 2026. We forecast a trading range from $13.38 to $16.32, with a likely average price of $14.58. Investors could expect a potential return of +587.74%.
September 2026
Our predictive algorithms indicate Spero Therapeutics, Inc. stock may see a shift in September 2026. The expected range spans $14.57–$16.69, with an average target of $15.89. This represents a positive outlook and a possible gain of +649.53%.
October 2026
Analyzing established trends, Spero Therapeutics, Inc. looks set to move in October 2026. Projections place the stock between $13.97 and $14.73, averaging around $14.43. This suggests a +580.66% gain from current levels.
November 2026
Market indicators suggest Spero Therapeutics, Inc. could experience notable changes during November 2026. Prices could fluctuate within $12.96 to $15.41, with a midpoint forecast of $13.53. The stock might deliver a +538.21% gain.
December 2026
Forecasting for December 2026, models estimate that Spero Therapeutics, Inc. may undergo key fluctuations. If trends hold, the stock might trade between $13.29 and $15.80, averaging $14.40. This signals a positive trajectory with potential returns around +579.25%.
January 2027
According to our latest forecast models, Spero Therapeutics, Inc. (SPRO) is positioned to show a strong performance in January 2027. The price is predicted to move between $15.88 and $18.29, settling at an average of $16.97. This could translate to a +700.47% gain.
February 2027
Based on current market signals, Spero Therapeutics, Inc. is projected to trend february 2027. We forecast a trading range from $16.77 to $18.38, with a likely average price of $17.67. Investors could expect a potential return of +733.49%.
March 2027
Our predictive algorithms indicate Spero Therapeutics, Inc. stock may see a shift in March 2027. The expected range spans $15.69–$16.95, with an average target of $16.45. This represents a positive outlook and a possible gain of +675.94%.
April 2027
Analyzing established trends, Spero Therapeutics, Inc. looks set to move in April 2027. Projections place the stock between $15.34 and $16.26, averaging around $15.79. This suggests a +644.81% gain from current levels.
May 2027
Market indicators suggest Spero Therapeutics, Inc. could experience notable changes during May 2027. Prices could fluctuate within $15.88 to $18.43, with a midpoint forecast of $16.37. The stock might deliver a +672.17% gain.
June 2027
Forecasting for June 2027, models estimate that Spero Therapeutics, Inc. may undergo key fluctuations. If trends hold, the stock might trade between $18.36 and $19.08, averaging $18.72. This signals a positive trajectory with potential returns around +783.02%.
July 2027
According to our latest forecast models, Spero Therapeutics, Inc. (SPRO) is positioned to show a strong performance in July 2027. The price is predicted to move between $19.01 and $19.28, settling at an average of $19.15. This could translate to a +803.30% gain.
SPRO's history of dividends and stock splits also plays a role in long-term investor confidence.

