Corporate Credit Rating

Definition of 'Corporate Credit Rating'


The opinion of an independent agency regarding the likelihood that a corporation will fully meet its financial obligations as they come due. A company’s corporate credit rating indicates its ability to pay its creditors and gives investors an idea of how well or poorly the company’s securities are likely to perform. Corporate credit ratings are an opinion, not fact.

Investopedia explains 'Corporate Credit Rating'


Corporate credit ratings are not a guarantee that a company will repay its obligations, but the overall, long-term track record of these ratings is strong. Standard & Poor’s says “the average five-year default rate for investment-grade corporate issuers was 1.07%, compared with 16.03% for speculative-grade companies.”

S&P, Moody’s and Fitch are the three main providers of corporate credit ratings. Each agency has its own ratings system that doesn’t necessarily equate to another company’s ratings scale, but they are all similar. Fitch and Standard & Poor’s use AAA for the highest credit quality, AA for the next best, followed by A, then BBB for good credit. Everything below BBB is considered speculative or worse, down to a D rating, which indicates default.

Since the ratings are opinions, ratings of the same company can differ among rating agencies. Investment research firm Morningstar also provides corporate credit ratings that range from AAA for extremely low default risk to D for payment default. 

During the financial crisis of 2008, companies that had received glowing ratings from various credit rating agencies were downgraded to junk levels, calling into question the reliability of the ratings themselves.



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