Castle Biosciences Inc (CSTL) — Financial Flexibility Index

Latest as of September 2025: 0.39x

Castle Biosciences Inc (CSTL) has a Financial Flexibility Index of 0.39x as of September 2025. Free cash flow of $37.47 Million (operating CF $22.63 Million minus capex $14.83 Million) represents 0% of total liabilities ($95.74 Million). Also explore CSTL year-over-year net asset growth to track the company's year-over-year net asset growth rate.

Financial Flexibility Index

0.39x
Free Cash Flow / Total Liabilities

Free Cash Flow

$37.47 Million
Operating CF − Capex

Total Liabilities

$95.74 Million
USD

Capital Expenditures

$14.83 Million
USD

Castle Biosciences Inc Financial Flexibility Index (2017–2024)

Historical Financial Flexibility Index trend for Castle Biosciences Inc across 8 annual periods. Check asset allocation strategy of Castle Biosciences Inc to assess the company's strategic physical and investment asset allocation.

Annual Financial Flexibility Index for Castle Biosciences Inc (2017–2024)

Year-by-year free cash flow to debt coverage for Castle Biosciences Inc. For the full company profile including market capitalisation, see Castle Biosciences Inc market cap and net worth.

Year Flexibility Index Free Cash Flow (USD) Operating CF Total Liabilities YoY Change
2024 1.24x $93.19 Million $64.87 Million $75.40 Million ▲ +859.6%
2023 0.13x $8.00 Million $-5.63 Million $62.07 Million ▲ +117.2%
2022 -0.75x $-36.02 Million $-41.66 Million $48.18 Million ▼ -145.2%
2021 -0.30x $-15.50 Million $-18.98 Million $50.83 Million ▼ -149.3%
2020 0.62x $14.62 Million $9.87 Million $23.64 Million ▲ +169.3%
2019 0.23x $7.95 Million $7.01 Million $34.63 Million ▲ +162.0%
2018 -0.37x $-12.02 Million $-12.29 Million $32.47 Million ▲ +24.1%
2017 -0.49x $-11.74 Million $-12.23 Million $24.09 Million
Financial Flexibility Index = (Operating CF − Capex) / Total Liabilities = Free Cash Flow / Total Liabilities