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Spero Therapeutics (SPRO)
NASDAQ:SPRO
US Market
SPRO
Spero Therapeutics
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Spero Therapeutics (SPRO) Ratios

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Spero Therapeutics Ratios

SPRO's free cash flow for Q1 2026 was $1.00. For the 2026 fiscal year, SPRO's free cash flow was decreased by $ and operating cash flow was $-27.92. See a summary of the company’s cash flow.
Ratios
TTM
Dec 25Dec 24Dec 23Dec 22
Liquidity Ratios
Current Ratio
 10.50 7.59 2.19 3.53 5.04
Quick Ratio
 10.50 7.59 2.19 3.53 5.25
Cash Ratio
 10.23 4.54 1.08 2.05 5.04
Solvency Ratio
 2.50 0.87 -1.06 0.31 -0.93
Operating Cash Flow Ratio
 1.32 -1.42 -0.48 -0.89 -0.36
Short-Term Operating Cash Flow Coverage
 0.00 -6.45 -13.43 -19.21 0.00
Net Current Asset Value
$ 51.52M$ 57.39M$ 42.86M$ 55.71M$ 60.24M
Leverage Ratios
Debt-to-Assets Ratio
 0.04 0.04 0.04 0.03 0.05
Debt-to-Equity Ratio
 0.05 0.05 0.09 0.05 0.09
Debt-to-Capital Ratio
 0.04 0.05 0.09 0.05 0.08
Long-Term Debt-to-Capital Ratio
 <0.01 0.00 0.00 0.00 0.00
Financial Leverage Ratio
 1.11 1.17 2.40 1.71 1.64
Debt Service Coverage Ratio
 0.00 4.38 -41.51 14.29 -16.48
Interest Coverage Ratio
 0.00 0.00 0.00 0.00 -16.20
Debt to Market Cap
 <0.01 0.01 0.03 0.02 0.00
Interest Debt Per Share
 0.04 0.05 0.08 0.11 0.25
Net Debt to EBITDA
 -3.60 -4.23 0.67 -2.61 2.39
Profitability Margins
Gross Profit Margin
100.00%100.00%-101.67%50.43%100.00%
EBIT Margin
27.18%14.82%-151.08%25.81%-90.18%
EBITDA Margin
27.19%14.82%-151.08%26.16%-88.39%
Operating Profit Margin
24.66%-0.04%-152.91%20.70%-86.86%
Pretax Profit Margin
28.29%14.82%-142.91%24.48%-95.55%
Net Profit Margin
27.82%14.38%-142.91%21.98%-95.55%
Continuous Operations Profit Margin
27.82%14.38%-142.91%21.98%-95.55%
Net Income Per EBT
98.32%97.05%100.00%89.77%100.00%
EBT Per EBIT
114.73%-36804.17%93.46%118.26%110.00%
Return on Assets (ROA)
25.81%12.44%-62.03%12.50%-37.19%
Return on Equity (ROE)
35.58%14.52%-148.66%21.34%-61.13%
Return on Capital Employed (ROCE)
25.23%-0.04%-119.35%14.79%-40.91%
Return on Invested Capital (ROIC)
23.93%-0.04%-116.05%13.12%-40.25%
Return on Tangible Assets
25.81%12.44%-62.03%12.50%-37.19%
Earnings Yield
12.61%6.57%-123.19%29.44%-71.38%
Efficiency Ratios
Receivables Turnover
 1.24K 2.35 0.91 2.05 44.81
Payables Turnover
 0.00 0.00 13.24 37.33 0.00
Inventory Turnover
 0.00 0.00 0.00 0.00 0.00
Fixed Asset Turnover
 43.60 40.28 15.41 24.97 8.85
Asset Turnover
 0.93 0.87 0.43 0.57 0.39
Working Capital Turnover Ratio
 0.99 1.02 0.63 1.14 0.43
Cash Conversion Cycle
 0.29 155.42 371.67 168.52 8.14
Days of Sales Outstanding
 0.29 155.42 399.23 178.30 8.14
Days of Inventory Outstanding
 0.00 0.00 0.00 0.00 0.00
Days of Payables Outstanding
 0.00 0.00 27.56 9.78 0.00
Operating Cycle
 0.29 155.42 399.23 178.30 8.14
Cash Flow Ratios
Operating Cash Flow Per Share
 0.13 -0.23 -0.43 -0.63 -0.21
Free Cash Flow Per Share
 0.13 -0.23 -0.43 -0.63 -0.21
CapEx Per Share
 0.00 0.00 0.00 0.00 0.00
Free Cash Flow to Operating Cash Flow
 1.00 1.00 1.00 1.00 1.00
Dividend Paid and CapEx Coverage Ratio
 0.00 0.00 0.00 0.00 0.00
Capital Expenditure Coverage Ratio
 0.00 0.00 0.00 0.00 0.00
Operating Cash Flow Coverage Ratio
 2.93 -4.36 -5.46 -5.95 -1.16
Operating Cash Flow to Sales Ratio
 0.13 -0.21 -0.49 -0.32 -0.16
Free Cash Flow Yield
5.93%-9.67%-42.12%-42.59%-11.89%
Valuation Ratios
Price-to-Earnings (P/E) Ratio
 8.25 15.53 -0.81 3.40 -1.40
Price-to-Sales (P/S) Ratio
 2.35 2.19 1.16 0.75 1.34
Price-to-Book (P/B) Ratio
 2.41 2.21 1.21 0.72 0.86
Price-to-Free Cash Flow (P/FCF) Ratio
 17.79 -10.34 -2.37 -2.35 -8.41
Price-to-Operating Cash Flow Ratio
 17.60 -10.34 -2.37 -2.35 -8.41
Price-to-Earnings Growth (PEG) Ratio
 0.02 -0.14 <0.01 -0.03 0.02
Price-to-Fair Value
 2.41 2.21 1.21 0.72 0.86
Enterprise Value Multiple
 5.05 10.55 -0.10 0.25 0.87
Enterprise Value
 68.52M 93.16M 7.07M 6.68M -37.44M
EV to EBITDA
 4.60 10.55 -0.10 0.25 0.87
EV to Sales
 1.25 1.56 0.15 0.06 -0.77
EV to Free Cash Flow
 9.46 -7.38 -0.30 -0.20 4.84
EV to Operating Cash Flow
 9.46 -7.38 -0.30 -0.20 4.84
Tangible Book Value Per Share
 0.92 1.05 0.85 2.03 2.02
Shareholders’ Equity Per Share
 0.92 1.05 0.85 2.03 2.02
Tax and Other Ratios
Effective Tax Rate
 0.02 0.03 0.00 0.10 0.00
Revenue Per Share
 0.96 1.06 0.89 1.97 1.29
Net Income Per Share
 0.27 0.15 -1.27 0.43 -1.23
Tax Burden
 0.98 0.97 1.00 0.90 1.00
Interest Burden
 1.04 1.00 0.95 0.95 1.06
Research & Development to Revenue
 0.51 0.65 2.02 0.50 0.98
SG&A to Revenue
 0.35 0.36 0.49 0.24 0.75
Stock-Based Compensation to Revenue
 0.07 0.07 0.16 0.08 0.00
Income Quality
 0.48 -1.47 0.34 -1.45 0.17
Currency in USD