Spero Therapeutics Inc (SPRO) — Cash Flow Quality Index

Latest as of December 2025: -0.26x

Spero Therapeutics Inc (SPRO) has a Cash Flow Quality Index of -0.26x as of December 2025. Operating cash flow of $-8.35 Million is below net income of $31.52 Million, suggesting accrual-heavy earnings not yet converted to cash. Explore Spero Therapeutics Inc cash flow to debt ratio to assess how comfortably operating cash covers total debt obligations.

Cash Flow Quality Index

-0.26x
Operating CF / Net Income

Operating Cash Flow

$-8.35 Million
USD

Net Income

$31.52 Million
USD

Data as of

Dec 2025
Most recent filing

Spero Therapeutics Inc Cash Flow Quality Index (2023–2025)

Historical Cash Flow Quality Index for Spero Therapeutics Inc across 2 annual periods. Values consistently above 1.0x indicate high-quality earnings. For the full cash flow conversion analysis, see cash efficiency ratio of Spero Therapeutics Inc.

Annual Cash Flow Quality Index for Spero Therapeutics Inc (2023–2025)

Year-by-year earnings quality comparison for Spero Therapeutics Inc.

Year Quality Index Operating CF (USD) Net Income YoY Change
2025 -1.47x $-12.62 Million $8.57 Million ▼ -1.8%
2023 -1.45x $-32.99 Million $22.81 Million
Cash Flow Quality Index = Operating Cash Flow / Net Income. Ratios above 1.0x indicate cash-backed earnings.