Prothena Corporation plc cash flow to debt ratio of -1.18K% indicates that the company cannot generate enough cash to cover its debt over time. This level indicates weak financial health.

Prothena Corporation plc's free cash flow has decreased 8.89% from $-150.35M last year to $-163.72M, signaling decreasing performance

Prothena Corporation plc's debt to equity ratio is 0.02, which means that the company's assets are healthy financed, signaling financial stability. READ MORE: A ratio under 0.60 means the company finances its assets with own equity, signaling financial stability and good management.

Prothena Corporation plc's debt has decreased relative to shareholder equity from 0.02 last year to 0.02 today, signaling strengthened financials

Prothena Corporation plc has negative EBITDA, making leverage ratio unreliable

Prothena Corporation plc earns at least as much interest as it pays. Interest obligations are fully covered.

Prothena Corporation plc's profit margin has decreased (188.32%) in the last year from -90.49% to -260.92%, signaling decreasing performance

Prothena Corporation plc's short-term assets of $315.19M exceed its short-term liabilities of $40.84M

Prothena Corporation plc's return on assets of 0.00% is lower than the 5.00% threshold, indicating inefficient asset utilization

Prothena Corporation plc's return on equity of -49.88%, is lower than 15.00%, indicating bad performance

Prothena Corporation plc's operating cash flow is lower than its net income, indicating that earnings may not be fully backed by cash generation

Prothena Corporation plc had positive net income in only 1.00 out of 5 years, indicating unstable earnings

Prothena Corporation plc has negative free cash flow, indicating the company is burning cash rather than generating it

Prothena Corporation plc has negative free cash flow, indicating cash burn

Prothena Corporation plc's yearly earnings has decreased 99.57% since last year from $-122.31M to $-244.09M, signaling decreasing performance

Prothena Corporation plc's yearly revenue has decreased -92.83% since last year from $135.16M to $9.68M, signaling decreasing performance

ROIC -39.43% (Source: FMP key-metrics). Below the 5% partial-credit threshold. Score: 0 of 2. The 5% and 10% cutoffs anchor to typical US weighted-average cost of capital. Below 5% indicates the company is not generating returns above its likely cost of capital under this definition of invested capital. Invested capital here includes equity, non-current liabilities (pension obligations, deferred taxes, lease obligations), and short-term debt. Cash is not subtracted. Companies with substantial float, lease portfolios, or cash holdings will score lower under this definition than under narrower operating-capital definitions. See methodology.

Prothena Corporation plc's 3-year revenue CAGR of -43.57% is negative, indicating declining revenue over the past 3 years

Prothena Corporation plc had revenue growth in 3.00 out of 5 years, indicating consistent revenue performance

Prothena Corporation plc had positive ROE in only 1.00 out of 5 years, indicating inconsistent returns on equity

Prothena Corporation plc has insufficient data to evaluate this check.

Prothena Corporation plc has negative trailing-twelve-month earnings; this ratio is not meaningful and the check fails

Prothena Corporation plc is overvalued relative to its fair value price of 0.00 based on EBITDA multiple model

Prothena Corporation plc has negative or missing EBITDA, making EV/EBITDA ratio unreliable

Prothena Corporation plc is overvalued relative to its fair value price of -7.28 based on Earnings Fair Value model

Prothena Corporation plc has negative trailing-twelve-month earnings; this ratio is not meaningful and the check fails

Prothena Corporation plc has a price-to-book ratio of 1.48x, which is below the 5.00x threshold, indicating reasonable valuation relative to its book value

Prothena Corporation plc has a price-to-sales ratio of 8.01x, which exceeds the 8.00x threshold, indicating the stock may be overvalued relative to its revenue