Morningstar Category, Rating, and Risk Rating
Yahoo partners with Morningstar--a leading market research and investment data group--to help investors compare funds on Yahoo Finance.
About the Category and Style Box
On the Yahoo Finance "Profile" page of mutual funds and ETFs, the Morningstar Rating, Risk Rating, and Category are shown in the "Statistics" section of the Summary. The Morningstar Rating, Risk Rating, and Category are proprietary Morningstar data offered to Yahoo Finance users.