Credit & Lending

How to Underwrite Corporate and High-Yield Bonds

Underwrite a corporate or high-yield bond by analyzing the issuer's ability to service and refinance debt, then the bond's position and protections in the capital structure. Key metrics are total and secured leverage, interest coverage, free cash flow after capex, liquidity relative to maturities, and expected recovery based on enterprise value and priority.

What makes corporate bonds / high-yield underwriting different

A high-yield bond is a fixed income claim on a company with below investment grade credit. Value comes from coupon income, potential price appreciation if credit improves, and recovery in default. Risk comes from issuer deterioration, refinancing risk at maturity, subordination to secured lenders, and covenant packages that allow the issuer to add debt, move assets or pay dividends. Bond prices respond to both company fundamentals and market spreads. Underwriting starts with the business but must also cover the indenture, intercreditor terms and how much value would remain for bondholders after senior claims in a restructuring.

Lenders financing bond positions, such as through margin or repo, focus on market liquidity, price volatility and haircuts. Bond investors are the primary underwriters, and they differ by strategy. Par investors focus on default probability and coupon. Distressed investors focus on recovery, restructuring dynamics and potential conversion to equity. Equity holders and private equity sponsors view bonds as fixed-rate financing that can be refinanced or bought back at a discount, which affects bondholder protections and incentives. Covenant strength therefore matters as much as the credit itself.

Key metrics

Total and secured leverage

Debt relative to EBITDA shows credit risk, and secured leverage shows how much debt ranks ahead of unsecured bonds.

Interest coverage

EBITDA relative to interest expense shows ability to service debt, especially as floating rate debt resets.

Analysts commonly treat coverage below about 2x as a sign of elevated default risk for high-yield issuers.

Free cash flow after capex

Determines ability to reduce debt or build liquidity.

Liquidity and maturity profile

Cash and revolver availability relative to upcoming maturities indicates refinancing risk.

Recovery value

Estimated enterprise value in default and priority determine expected recovery.

Covenant capacity

Baskets for additional debt, liens and restricted payments show how much the issuer can do without bondholder consent.

How to underwrite it, step by step

Analyze the issuer's business, industry position, margins and cash flow drivers.
Build a financial model with leverage, coverage and free cash flow under base and downside cases.
Map the capital structure, including priority, security, guarantees and maturities.
Review the indenture covenants, baskets, change of control and asset sale provisions.
Analyze liquidity and refinancing needs relative to the maturity schedule.
Estimate recovery using distressed enterprise value and waterfall analysis.
Compare yield and spread to similarly rated bonds and default expectations.
Monitor ratings, financial results, covenant usage and market conditions.

Due diligence checklist

Offering memorandum or prospectus
Indenture and supplemental indentures
Credit agreement for senior secured debt
Intercreditor agreement
Audited financial statements and quarterly reports
Rating agency reports
Compliance certificates and covenant calculations
Management presentations and earnings call transcripts
Organizational chart showing guarantors and restricted subsidiaries
Trading history and pricing data

Key risks and mitigants

Issuer credit deterioration

Monitor financial results and leverage, and size positions based on downside scenarios.

Refinancing risk at maturity

Analyze maturity wall and market access, and prefer issuers with liquidity and longer maturities.

Covenant erosion and asset transfers

Review indenture baskets and unrestricted subsidiary provisions, and price weaker covenants accordingly.

Subordination to secured debt

Model recovery waterfalls and limit exposure to bonds with low expected recovery.

Market liquidity risk

Assess trading volume and issue size, and avoid concentration in illiquid issues.

Typical financing and deal structure

High-yield bonds are typically issued in fixed-rate form with five to ten year maturities, call protection periods and call premiums that decline over time. They may be senior secured, senior unsecured or subordinated, and are often issued by holding companies with guarantees from subsidiaries. Indentures include incurrence covenants that limit additional debt, liens, restricted payments and asset sales rather than maintenance tests. Bonds sit alongside bank term loans and revolvers that usually rank senior. In distressed situations, issuers may pursue exchanges, amend and extend transactions or restructurings, and bondholders often organize into groups to negotiate. Investors may use repo or margin financing with haircuts.

Red flags

Interest coverage falling while leverage rises
Large maturities approaching without refinancing plans
Indenture with wide baskets permitting asset transfers to unrestricted subsidiaries
Secured debt growing ahead of unsecured bonds
Negative free cash flow funded by revolver draws

Frequently asked questions

How do you analyze a high-yield bond?

Analysis covers the issuer's business, financial performance, leverage, coverage, liquidity and maturity profile, then the bond's position in the capital structure and its covenants. Investors estimate default probability and recovery, compare yield and spread to peers and decide whether the return compensates for the risk. Downside scenarios usually drive the final position size.

What are bond covenants?

Bond covenants are terms in the indenture that restrict issuer actions such as adding debt, granting liens, paying dividends or selling assets. High-yield bonds usually have incurrence covenants that apply only when the issuer takes an action, rather than maintenance tests. Covenant strength affects how much risk bondholders bear over the life of the bond.

What is recovery value in high-yield bonds?

Recovery value is what bondholders receive if the issuer defaults, typically expressed as a percentage of face value. It depends on enterprise value in distress, the amount of debt ranking ahead, collateral and the restructuring process. Secured bonds generally recover more than unsecured or subordinated bonds in the same capital structure.

What is the difference between a bond and a term loan?

Bonds are usually fixed rate, have longer maturities, incurrence covenants and call protection, and trade in the securities market. Term loans are usually floating rate, secured, prepayable and may have maintenance covenants. Term loans typically rank ahead of unsecured bonds in the capital structure, which affects relative recovery in default.

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Educational content, not investment, credit, legal or tax advice. Benchmarks are common practitioner rules of thumb and vary by lender, market and cycle.