Credit Rating

Credit ratings are opinions about credit risk issued by specialized agencies that evaluate the likelihood a borrower will repay debt. The three major agencies – S&P, Moody’s, and Fitch – use letter grades from AAA/Aaa (highest quality) to D (default). Ratings consider financial strength, business profile, industry dynamics, and economic conditions. For example, to achieve AAA, a company typically needs exceptional financial metrics, dominant market position, and minimal debt. The rating process involves quantitative analysis (financial ratios, cash flow) and qualitative assessment (management quality, competitive position). Ratings directly impact borrowing costs – each notch lower typically adds 25-50 basis points to yields. Split ratings (different agencies assigning different ratings) are common. Agencies also provide outlooks (positive, negative, stable) signaling potential changes. Credit ratings faced criticism after the 2008 crisis for inflated ratings on mortgage securities. Despite limitations, ratings remain crucial for bond pricing and investment decisions.