Prothena Corporation plc (PRTA) — Cash Flow-to-Debt Ratio

Latest as of September 2025: -0.70x

Prothena Corporation plc (PRTA) has a Cash Flow-to-Debt Ratio of -0.70x as of September 2025, meaning its operating cash flow of $-40.56 Million could theoretically repay -1% of its total liabilities ($57.64 Million) in one year. See how financially flexible is Prothena Corporation plc to measure the company's free cash flow as a share of total liabilities.

CF-to-Debt Ratio

-0.70x
Operating CF / Total Liabilities

Operating Cash Flow

$-40.56 Million
USD

Total Liabilities

$57.64 Million
USD

Data as of

Sep 2025
Most recent filing

Prothena Corporation plc Cash Flow-to-Debt Ratio (2010–2024)

Historical debt coverage capacity for Prothena Corporation plc across 15 annual periods. For the full cash flow conversion analysis, see cash efficiency ratio of Prothena Corporation plc.

Annual Cash Flow-to-Debt Ratio for Prothena Corporation plc (2010–2024)

Year-by-year debt coverage analysis for Prothena Corporation plc. Check cash flow quality index of Prothena Corporation plc to evaluate the quality of earnings relative to operating cash generation.

Year CF-to-Debt Ratio Operating CF (USD) Total Liabilities YoY Change
2024 -2.49x $-150.05 Million $60.18 Million ▼ -151.4%
2023 -0.99x $-133.91 Million $135.02 Million ▼ -23.9%
2022 -0.80x $-108.82 Million $135.99 Million ▼ -223.8%
2021 0.65x $92.61 Million $143.32 Million ▲ +219.8%
2020 -0.54x $-80.36 Million $148.97 Million ▼ -49.0%
2019 -0.36x $-52.97 Million $146.35 Million ▼ -125.0%
2018 -0.16x $-28.28 Million $175.80 Million ▲ +89.1%
2017 -1.47x $-131.18 Million $89.14 Million ▼ -18.7%
2016 -1.24x $-117.27 Million $94.57 Million ▲ +51.2%
2015 -2.54x $-62.45 Million $24.57 Million ▼ -5195.5%
2014 -0.05x $-683.00K $14.23 Million ▲ +98.6%
2013 -3.51x $-32.10 Million $9.14 Million ▲ +76.6%
2012 -15.03x $-42.07 Million $2.80 Million ▼ -667.2%
2011 -1.96x $-19.70 Million $10.05 Million ▲ +31.0%
2010 -2.84x $-9.08 Million $3.20 Million
Cash Flow-to-Debt Ratio = Operating Cash Flow / Total Liabilities. Higher is better for debt service capacity.