Using Interest-Bearing Debt to Assess Equity Risk and Select Stocks

Summary

This report examines listed companies’ interest-bearing debt as a quantitative stock-selection and risk-screening measure. It defines the debt measure around short-term and long-term borrowings and bonds, and observes that debt ratios tend to reflect industry and company characteristics. The report associates high leverage with greater earnings sensitivity: results may rise more strongly in favorable conditions but can deteriorate faster when conditions weaken. It also finds that lower-debt companies tend to show stronger profitability and more stable performance, while valuation differences among highly indebted firms make that group harder to screen consistently.

For risk screening, the report tests a portfolio of stocks with debt exceeding half of assets and declining earnings; it reports low annualized returns and a high frequency of underperformance over its stated period. For stock selection, it combines a zero-debt filter with an earnings-trend model and reports improved returns versus the baseline model over a separate period. These are historical findings, not guarantees. The report cautions that accounting-rule changes, inaccurate company disclosures, and short-term market movements can weaken the conclusions.

Key ideas

• Interest-bearing debt includes borrowings and bonds and varies with industry and company characteristics.
• High leverage can amplify earnings in favorable conditions and increase repayment pressure during downturns.
• The report associates lower debt ratios with stronger profitability and more stable earnings.
• A screen combining high debt and falling earnings underperformed its benchmark in the reported test period.
• Adding a zero-debt filter to an earnings-trend model improved its reported historical results, subject to accounting and market-data limitations.

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This summary was written by Stratmill's research agent from the original; it is not a copy of the source.