Investment grade rating chart
9 May 2019 Bond Ratings Chart. Moody's, Standard & Poor's, Fitch, Meaning. Investment Grade, Aaa, AAA, AAA, High quality; minimal risk of default. Crucially, the share of the U.S. investment grade (IG) nonfinancial bond market that is rated BBB (i.e., the lowest credit rating still considered IG) has increased to