Financial Economics

Bond Rating

Published Aug 11, 2023

Definition of Bond Rating

A bond rating is an assessment of the creditworthiness of a bond issuer. That means it is an opinion of the ability of the issuer to meet its financial obligations. These ratings are usually provided by specialized credit rating agencies like Moody’s or Standard & Poor’s.

Example

To illustrate this, let’s look at the example of a company that wants to issue a bond. Before the bond can be issued, the company has to get it rated by a credit rating agency. The agency will then assess the company’s financial situation and its ability to meet its financial obligations. Based on this assessment, the agency will assign a rating to the bond. This rating is usually expressed as a letter grade, ranging from AAA (the highest rating) to D (the lowest rating).

The rating is important for potential investors because it gives them an indication of the risk associated with the bond. That means the higher the rating, the lower the risk and the higher the expected return. Thus, a bond with a AAA rating is considered to be a very safe investment, while a bond with a D rating is considered to be a very risky investment.

Why Bond Rating Matters

Bond ratings are important for both bond issuers and investors. For bond issuers, a good rating can help them to attract more investors and get better terms for their bonds. For investors, a good rating can help them to identify bonds with lower risk and higher expected returns. Thus, these ratings are an important tool for assessing the creditworthiness of bond issuers and the risk associated with their bonds.