investment-grade debt - Investment & Finance Definition
High-quality notes or bonds that are the least likely to default. Standard & Poor’s investment grade ratings are AAA, AA, A, and BBB. Moody’s Investors’ Service breaks investment grade debts into an A rating and three ‘B’ categories, Baa1, Baa2, and Baa3. Fitch Ratings considers debt with a rating of A or B to be investment-grade.