How are BBB and Baa bonds rated?

BBB and Baa bonds are rated by credit rating agencies, such as Standard & Poor's (S&P) and Moody's, respectively. A BBB rating indicates that a bond has a medium credit quality and a moderate risk of default, while a Baa rating suggests a similar level of creditworthiness but on Moody's scale. Both ratings are considered investment-grade, meaning they are generally viewed as safe for investors. These ratings assess factors like the issuer's financial health, economic conditions, and industry risks.