Spero Therapeutics Inc (SPRO) Price Prediction & ForecastSPROForecastSpero Therapeutics Inc

Alphio's SPRO stock price prediction model matches the current Spero Therapeutics Inc tape against historical breakout patterns, then publishes 1-day and 1-week targets first. The 1-day print is $1.19 (-0.42%). The 1-week path is $1.19 (-0.44%). Longer windows use the same pattern set plus seasonality; the 1-month and multi-year forecasts sit behind unlock because they include precise min / avg / max bands.

Spero Therapeutics Inc is not a strong buy at this moment. The current price is $1.20, and the RSI indicates a bearish trend at 38.53, suggesting the stock is oversold. While the company has secured a significant licensing deal worth up to $1.1 billion, its recent earnings report showed zero revenue for Q2 2026 and a net loss of $9.6 million, which raises concerns about its financial stability. The stock has experienced a year-to-date change of -48.94%, indicating substantial declines, and the forward P/E ratio is currently at 0, reflecting uncertainty in future earnings. The main risk is the lack of revenue generation, as evidenced by the zero revenue reported for Q2 2026.

Spero Therapeutics Inc (SPRO) last closed at $1.2, losing -0.83%. These facts feed the 1-day and 1-week SPRO price prediction above.