How Do Credit Rating Agencies Serve the Secondary Mortgage Market?
Credit rating and analysis of collateralized debt obligations and all structured finance products are integral to the smooth function of the secondary market for mortgage loans. A credit rating agency is a company that analyzes issuers of debt and debt-like securities and gives them an overall credit rating which measures the issuer’s ability to satisfy its debt obligations. There are more than 100 major rating agencies around the world, and three of the largest and most important ones in the United States are Fitch Ratings, Moody’s and Standard & Poor’s. A debt issuer’s credit rating is very similar to the FICO score of an individual rated by the Fair Isaac Corporation widely used in the United States by institutional lenders. Of greater importance to the housing market, the credit rating agencies also analyze and rate the creditworthiness of the various tranches of collateralized debt obligations traded in the secondary mortgage market. Credit ratings are widely used by investors bec