Category

LONG-TERM

SHORT-TERM

Investment Grade

Aaa

Prime-1

Aa1

Aa2

Aa3

A1

A2

Prime-2

A3

Baa1

Baa2

Prime-3

Baa3

Speculative Grade

Ba1

Not Prime

Ba2

Ba3

B1

B2

B3

Caa1

Caa2

Caa3

Ca

C