Fitch Ratings affirmed Moody's Corp.'s long-term issuer default rating and senior unsecured issue rating at BBB+.

The rating agency also affirmed the company's short-term issuer default rating and commercial paper rating at F2. The company's senior unsecured notes were affirmed at BBB.

The ratings outlook is stable.

The reasons behind the ratings include limited competition, high demand for ratings by institutions and the importance of the company's ratings for a range of areas, such as monetary and fiscal policies.