CFA Level I Exam · Credit Analysis for Corporate Issuers

High-Yield, Sovereign and Non-Sovereign Credit Analysis

Updated 7 October 2026 · Fact-checked

Credit analysis changes by issuer type. For high-yield issuers, focus on liquidity, debt structure, covenants and recovery. For sovereigns, assess ability and willingness to pay, and whether debt is local or foreign currency. For non-sovereign governments, judge the revenue source and the legal or fiscal support behind the debt.

Understand High-Yield, Sovereign and Non-Sovereign Credit Analysis

Standard corporate credit analysis uses the four Cs: capacity, collateral, covenants and character. High-yield issuers, sovereigns and non-sovereign governments each need a different emphasis on top of that.

High-yield issuers are rated below investment grade. Default risk is higher, so the question shifts from 'can it pay over the long run?' to 'can it survive the next few years?' Analysts focus on four things:

Liquidity: cash, undrawn credit lines, and near-term debt maturities. Cash flow matters more than earnings. Strong liquidity matters more than long-term projections.
Debt structure: high-yield issuers often have several layers of debt, such as secured bank loans, senior unsecured bonds and subordinated bonds. Priority of claims drives recovery.
Covenants: these are contract terms that protect lenders. High-yield bonds usually have more extensive covenant packages, so covenant analysis is an important part of high-yield credit analysis. Strong covenants generally help creditors, but they do not remove default risk.
Recovery: because default is more likely, loss given default and asset value matter more.

Analysts also look at how long the issuer can fund itself, the quality of its cash flows, and its use of leverage. Companies owned by private equity sponsors often carry heavy debt, so the sponsor's plans matter.

Sovereign credit analysis is different because a government cannot be forced into bankruptcy in the usual way. Lenders depend on the government's ability to pay (economy, tax base, debt level, external position, institutions) and its willingness to pay (political will and track record). Currency matters. A government that borrows in its own currency can, in principle, raise taxes or create money, so local-currency debt generally has lower default risk than foreign-currency debt, which depends on access to foreign exchange. But creating money can cause inflation and currency depreciation, so local-currency debt is lower default risk, not risk-free.

Non-sovereign government debt includes states, provinces, cities, agencies and supranational bodies. Two types are common. General obligation bonds rely on the issuer's broad taxing power. Revenue bonds rely on income from a specific project such as a toll road or airport. Analysts review the economic base, debt burden, budget flexibility and any support from a higher level of government. For revenue bonds, the key test is whether project cash flow covers debt service.

Key formulas to remember

Debt service coverage (revenue bonds): DSCR = Net revenue available for debt service ÷ Debt service; Above 1 means revenue covers payments. Higher means more cushion.
Sovereign debt burden: Debt-to-GDP = Government debt ÷ GDP; Higher ratios usually signal weaker capacity, though the currency and maturity of the debt also matter.
Leverage and coverage (high-yield): Debt ÷ EBITDA and EBITDA ÷ Interest expense; Higher leverage and lower coverage mean greater default risk.
Expected loss: Expected loss = Probability of default × Loss given default; Recovery priority lowers loss given default for senior creditors.

How to solve High-Yield, Sovereign and Non-Sovereign Credit Analysis questions

Use this order for any question on these issuer types.

1Identify the issuer type: high-yield corporate, sovereign, or non-sovereign government.
2Name the key risk for that type: liquidity and structure for high-yield, ability and willingness to pay for sovereigns, revenue source for non-sovereigns.
3For high-yield, check liquidity sources and near-term maturities, then the debt ranking and covenants.
4For sovereigns, separate local-currency from foreign-currency debt, then consider economy, fiscal strength, external position and institutions.
5For non-sovereigns, decide whether the bond is general obligation or revenue, and look for outside support.
6Match your conclusion to the question wording, such as stronger or weaker credit, or most important factor.
7Eliminate options that apply corporate-style reasoning where it does not fit.

Quickest way: Issuer-type shortcut

When to use it: Use this for conceptual questions when you have about 90 seconds.

High-yield: think liquidity first, then structure, then covenants.
Sovereign: think ability and willingness to pay, then currency of the debt.
Non-sovereign: think revenue source and support from a higher government.
Pick the option that matches the issuer type's main driver and discard the other two.

Common mistakes in High-Yield, Sovereign and Non-Sovereign Credit Analysis

Treating high-yield analysis as long-term earnings analysis.
Investment-grade analysis often focuses on stable long-run capacity.
Fix: For high-yield, start with liquidity and near-term debt maturities. Short-term survival comes first.
Ignoring covenant strength when assessing high-yield credit.
Students focus on ratios and cash flow and treat covenants as legal fine print.
Fix: High-yield bonds usually have more extensive covenant packages, so covenant analysis is an important part of high-yield credit analysis. Check what they restrict, such as new debt or large dividends, because lenders need protection against risky actions.
Treating local-currency and foreign-currency sovereign debt as equally risky.
Students look only at the debt total.
Fix: A sovereign controls its own currency, so local-currency debt is usually less risky than foreign-currency debt.
Ignoring willingness to pay for sovereigns.
Ability is easier to measure with ratios.
Fix: Always consider both ability and willingness, since a government can choose to default even when able to pay.
Mixing up general obligation and revenue bonds.
Both are issued by governments.
Fix: General obligation bonds rely on taxing power. Revenue bonds rely on a specific project's cash flow.

Worked examples

Example 1

A toll-road authority issues revenue bonds. Net revenue available for debt service is €48 million and annual debt service is €40 million. What is the debt service coverage ratio, and what does it imply? Options: A) 0.83, B) 1.20, C) 1.50.

Show the solution

Use DSCR = net revenue ÷ debt service.
DSCR = 48 ÷ 40 = 1.20.
A ratio above 1 means project revenue covers debt service, with a 20% cushion.
Option A (40 ÷ 48) is the inverse ratio, and it would mean revenue falls short. Option C does not follow from the figures.

Answer: B) 1.20. Revenue covers debt service with a modest cushion.

Example 2

An analyst compares two high-yield issuers with similar leverage. Issuer X has large undrawn credit lines and no debt maturing for four years. Issuer Y has little cash and a large bond maturing in six months. Which issuer likely has lower near-term default risk, and why? Options: A) Issuer X, because of stronger liquidity, B) Issuer Y, because its debt is nearer maturity, C) Neither, because leverage is similar.

Show the solution

Identify the type: high-yield, so liquidity is the first focus.
Issuer X has backup funding and no near-term maturities.
Issuer Y has little cash and must refinance soon, which raises refinancing risk.
Similar leverage does not remove the liquidity difference, so C is wrong. B reverses the logic.

Answer: A) Issuer X, because its stronger liquidity and distant maturities lower near-term default risk.

Exam tips

Match the issuer type to its key driver before reading the options.
For sovereigns, expect questions on local versus foreign currency debt and on ability versus willingness to pay.
For non-sovereigns, know the difference between general obligation and revenue bonds.
For high-yield, liquidity, structure and covenants are the favoured themes. Use them to eliminate generic answers.
Numerical DSCR questions are simple division. Check whether the result is above or below 1.

Practice questions from Credit Analysis for Corporate Issuers

High-Yield, Sovereign and Non-Sovereign Credit Analysis in other exams

The same ground in other exams, if you are preparing for more than one or want another angle on it.

High-Yield, Sovereign and Non-Sovereign Credit Analysis: frequently asked questions

Why is liquidity so important for high-yield issuers?

High-yield issuers have less access to cheap funding and a thinner margin for error. If they cannot refinance or fund operations, they may default even if long-term prospects look fine. That is why cash, credit lines and debt maturities come first.

How does sovereign credit analysis differ from corporate analysis?

Sovereigns cannot be taken through ordinary bankruptcy, so willingness to pay matters as well as ability to pay. Analysts also consider economic strength, fiscal position, external balances and institutions. The currency of the debt strongly affects risk: local-currency debt generally has lower default risk, but it is not risk-free because printing money can cause inflation and currency depreciation.

What is the difference between general obligation and revenue bonds?

General obligation bonds are backed by the issuer's taxing power and general resources. Revenue bonds are repaid from the income of a specific project or facility. Their credit depends on that project's cash flow.

Why are covenants important in high-yield bonds?

Covenants limit actions that could hurt creditors, such as taking on more debt or paying large dividends. High-yield bonds usually have more extensive covenant packages, and covenant analysis is an important part of high-yield credit analysis because these issuers are riskier.