Debt-to-Equity Ratio (D/E)
Definition
The debt-to-equity ratio compares how much a company has borrowed to how much its shareholders have invested. A D/E of 1.0 means the company has equal amounts of debt and equity. Above that, borrowed money outweighs shareholder investment.
Formula
D/E = Total Debt / Total Shareholder EquityHow to Interpret It
Heavy debt is not automatically bad, but it does increase risk. Debt payments come due regardless of how the business is performing, so highly leveraged companies are more vulnerable during downturns.
What counts as a "normal" D/E varies widely. Banks and real estate companies routinely have D/E ratios above 2.0 because leverage is part of their business model. Tech companies with strong cash flows often have D/E ratios under 0.5.
A negative D/E means the company’s equity is negative (liabilities exceed assets), which is a serious warning sign. Very low D/E might sound safe but can also mean the company is not using leverage to grow when it could be.
Typical Strategy
D/E is commonly used as a risk filter in stock screening. Conservative investors set a maximum D/E threshold (often 1.0 or 1.5) to avoid companies with heavy debt loads. This is especially relevant when interest rates are high, since the cost of carrying that debt increases.
Comparing a company’s D/E to its industry average tells you whether it is more or less leveraged than its peers. A D/E of 2.0 might be conservative for a bank but aggressive for a software company.