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Finance · Beginner

Corporate debt and interest coverage: what the ratio misses

Debt is a contractual obligation, while interest coverage describes one aspect of the capacity to service it. A common definition is earnings before interest and taxes, or EBIT, divided by interest expense for the same period. Coverage of four means those earnings are four times the stated interest cost.

Examples are fictional and educational. This article was prepared with AI assistance and editorial review; it is not personal investment advice.

How it works

Gross debt and net debt are different measures. Net debt commonly subtracts selected cash balances from interest-bearing debt, but restricted cash or operating needs may limit availability. Read the company's definition. Total liabilities also include items other than borrowings, so they should not be silently substituted for interest-bearing debt.

Coverage is an earnings ratio, not a bank balance or complete repayment schedule. Principal due, leases, tax payments and investment requirements can consume cash beyond interest. Fixed and floating rates, currency mismatches and maturity concentration affect refinancing risk. The same ratio can describe very different financing structures.

Worked example

Assume a fictional company has debt of 300 million, unrestricted cash of 80 million, EBIT of 60 million and annual interest of 15 million. Simple net debt is 220 million and coverage is 4. If EBIT falls to 30 million while interest rises to 20 million, coverage becomes 1.5. A 100 million principal maturity is not included in either coverage calculation.

Interpretation and limits

There is no universal safe cutoff across industries and cycles. Exceptional gains can inflate EBIT; negative earnings make normal interpretations difficult. EBITDA-based coverage is a different definition and must be labeled. Past coverage does not guarantee refinancing access or payment during a future downturn.

Chart practice

Read the dated debt footnote and maturity table separately. Mark the publication date and examine available closed weekly bars around it. Student Wyckoff Pro analyzes charts; a rising share price cannot verify liquidity, covenant compliance or the company's ability to repay debt.

Primary sources

Sources explain the mechanics and limitations; the editorial examples use invented numbers rather than market quotations.

Your next practical step

Continue with analysis of available closed daily, weekly and monthly bars.

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