Which earnings cover which charges?
Interest coverage compares an earnings measure with interest expense. The numerator may be EBIT, EBITDA, EBITDAre, or an issuer-adjusted amount; the denominator may include different financing costs. Fixed-charge coverage can add obligations such as preferred distributions or other specified charges. Debt-service coverage can include principal obligations depending on its definition. These labels are not interchangeable. Copy the exact formula before comparing issuers or judging compliance with a covenant. A rounded presentation in a slide deck may omit important contractual qualifications.
Hypothetical arithmetic: a two-sided stress
Assume the chosen annual earnings measure is $120 million and interest is $30 million. Coverage is 4.0 times. A 15% earnings decline reduces the numerator to $102 million, while refinancing raises interest to $40 million. Coverage falls to 2.55 times. If a hypothetical covenant minimum were 2.0 times under exactly the same formula, the company would remain above it in this example. That says nothing about actual issuer covenants, scheduled principal payments, or dividend capacity.
The limits of a backward-looking ratio
A trailing ratio describes a past period. It may not include a full year of higher interest on newly refinanced debt, a tenant bankruptcy after the reporting date, or a completed acquisition's income. Conversely, temporary disruption may depress historical results even when signed leases support recovery. Prepare a clearly labeled forward sensitivity using disclosed changes and explicit assumptions. Do not mix a forward numerator with a trailing denominator without explanation. Capitalized interest also deserves attention because construction financing costs may not appear in the same place as expensed interest.
Operational cushion versus liquidity
A lender may emphasize contractual coverage because it governs borrowing rights. An equity investor may emphasize recurring cash after maintenance because that supports dividends and reinvestment. Both views matter, and neither replaces the maturity calendar. Strong coverage does not ensure cash to repay a large principal amount tomorrow. Weak coverage does not alone reveal the amount of unrestricted cash on hand. Read coverage, leverage, liquidity, and maturities together to understand whether the problem is earnings pressure, refinancing timing, or both.
Read the covenant, not a universal cutoff
Locate the debt agreement or filing description and identify calculation periods, permitted adjustments, cure provisions, and minimum requirements. Compare the issuer's reported covenant calculation with its investor-facing performance ratio; the formulas may differ. Then calculate headroom under a lower-income and higher-rate case. Note that compliance today is not a promise of future borrowing availability. Where an agreement is unclear, describe the uncertainty instead of inventing a threshold. Cross-company comparisons should preserve these definition differences in the table.
A common mistake
Comparing ratios with different numerator adjustments or treating interest coverage as cash available for debt principal produces false comfort.
What to check in the disclosures
- Record the exact formula.
- Separate operating metrics from legal covenant tests.
- Check capitalized and floating-rate interest.
- Stress income and rates simultaneously.
Sources & scope
This guide focuses on US REITs. Examples are hypothetical unless explicitly attributed. Definitions and issuer disclosures can change; use the current source and the issuer's own reconciliation.
- Realty Income FY2023 annual report: historical covenant calculation illustration ↗
- Realty Income 2024 Form 10-K ↗
Educational material, not a recommendation or personalized investment advice. How these guides are prepared · Report a correction