What is the minimum rating required for a bond to be considered investment grade?

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Quizplus · Accepted Answer

BBB is the minimum rating required for a bond to be considered investment grade. This rating signifies a moderate credit risk and is considered a relatively safe investment. A, AA, and AAA ratings indicate even lower credit risk and are considered the safest investment grade bonds, while ratings of BB, B, and below indicate higher credit risk and are considered high yield, or "junk" bonds.

What Is the Minimum Rating Required for a Bond to Be