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Methodology Documents

Hundreds of Morningstar analysts publish scores of in-depth investment research using our proprietary methodology to provide data like ratings and risk scores.

Key Documents

Methodology Documents

Morningstar has conducted research on active and passive investment strategies and their associated vehicles since 1986.
Methodology Documents

We believe that a company's intrinsic worth results from the future cash flows it can generate. The Morningstar Rating for stocks identifies stocks trading at a discount or premium to their intrinsic worth--or fair value estimate, in Morningstar terminology.
Methodology Documents

This document describes the rationale for, and the formulas and procedures used in, calculating the Morningstar Rating for funds (commonly called the “star rating”). This methodology applies to funds receiving a star rating from Morningstar.
Methodology Documents

Morningstar developed the Morningstar Equity Comparables system to give investors and financial professionals an objective benchmark for comparing companies. Morningstar Equity Comparables is genuinely different to other industry classification schemes. We start from the bottom up with comparable companies, as opposed to the top down with sector definitions. For every pair of companies, we determine how similar they are–anywhere from closely comparable to distantly related based on automated analysis of the companies' own business description. We automatically analyse the text of the business description and work out whether companies are talking about similar things as they describe their businesses. Businesses described in similar terms are comparable.

Latest Investment Research to Download

Methodology Documents

On display in the third quarter of 2024: the volatility inherent to equities, the benefits of asset-class diversification, and the dynamism of markets.
Methodology Documents

The Morningstar Style Box helps investors determine the investment style of a fund. Different investment styles have different levels of risk that lead to differences in returns. The Morningstar Style Box provides an intuitive and visual representation o
Methodology Documents

Augmenting investment research with natural language processing.
Methodology Documents

Investors lost out on about 15% of the return their funds generated.
Methodology Documents

The Insiders dataset is a compilation of the insider dealings information for companies in the US and UK markets.
Methodology Documents

We incorporate nontradable wealth, such as firm-level human capital and restricted stock units, in a stock-level portfolio optimization and show that minimizing idiosyncratic risk at the total portfolio level leads to a significant improvement in out-of