Bond credit rating chart
Standard & Poor’s ranks bonds by placing them in 22 categories, from AAA to D. Fitch largely matches these bond credit ratings, whereas Moody’s employs a different naming convention. In general, the lower the rating, the higher the yield since investors need to be compensated for the added risk. Bond credit rating. In investment, the bond credit rating represents the credit worthiness of corporate or government bonds. It is not the same as individual's credit score. The ratings are published by credit rating agencies and used by investment professionals to assess the likelihood the debt will be repaid.