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Spero Therapeutics, Inc. (SPRO)

Therapeutics / Biopharma · Healthcare / Biotechnology
Score Band
Speculative
Selection Score
20.98
Global Rank
3238
Market Cap
122.26M
Latest Close
2.82
RS Composite
7.51% · G#872

Price Movement

3Y daily adjusted close
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Adjusted close SMA60D
1M
11.46%
3M
22.61%
6M
23.68%
1Y
6.02%
3Y
62.07%
5Y
-80.55%
10Y
-75.48%

Volume

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Volume Volume MA20D

Latest volume: 751.62K · 30-day average: 695.27K · Max drawdown over stored range: -97.46%

Research Snapshot

Relative Strength vs SPX

RS Composite7.51%
20D RS11.72%
60D RS-0.09%
120D RS13.00%
Global RS Rank872 · 74.01% percentile
Watch+Speculative RS Rank539 · 74.30% percentile
Group ScopeWatch+Speculative
Primary RS Rank100 · 78.17% percentile
Snapshot Date2026-06-05

RS uses adjusted close where available. Global RS Rank is recalculated from the current non-low pool. Group RS Rank is recalculated inside the company’s own actionable band group.

Research Links

StockAnalysis
Yahoo Finance
Perplexity Finance
Finviz
Seeking Alpha
WhaleWisdom
FinanceCharts
SEC EDGAR Search
SEC Company Search

Official company website and investor-relations URLs are not inferred unless a reliable dynamic source is added.

Classification

Primary Rank425 / 701
Primary Percentile39.51
Score Notesmarket-cap support, industry-tailwind, microcap penalty

Gemini Deep Research

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Manual Estimates

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Forward Valuation

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SEC TTM Fundamentals

No processed TTM rows for SPRO.

TTM Valuation

No SEC TTM valuation available.

Financial Statement Metrics

MetricFY 2020FY 2021FY 2022FY 2023FY 2024FY 2025
Revenue9.3318.25653.509103.78147.97766.802
Revenue Growth (YoY)-48.587%95.67%193.104%93.951%-53.771%39.238%
Gross Profit-57.673-46.275.91652.341-48.78
Operating Income-79.113-87.971-30.56726.787-72.484
Free Cash Flow-86.029-64.347-7.731-32.995-23.444-12.624
Free Cash Flow Per Share-3.843-2.083-0.206-0.623-0.434-0.2138239450128283
EPS (Diluted) GAAP-3.521333-2.905123-1.2349310.43-1.27
EPS Growth
EPS Non-GAAP
Gross Margin6900%-253.451%11.056%50.434%-101.674%100%
Operating Margin-847.942%-481.874%-57.125%25.811%-151.081%9.4518%
Profit Margin-844.898%-491.652%-86.742%21.975%-142.914%13.6134%
Free Cash Flow Margin-922.069%-352.47%-14.448%-31.793%-48.865%-18.8976%
Shares Outstanding (Diluted)22.386130.895837.585152.98954.037959.0392
Shares Change (YoY)23.268%38.013%21.651%40.984%1.979%9.255%

SEC Quarterly Fundamentals

No processed quarterly rows for SPRO.