Morningstar Indexes
All major asset classes from one trusted source.
Style Indexes
Sector Indexes
Global Equity Indexes
Equity Income Indexes
Bond Indexes
Commodity Indexes
Asset Allocation Indexes
Active Equity Indexes
Style Indexes
The Morningstar Style Index family consists of 16 indexes that track the U.S. market by capitalization and investment style using a comprehensive, rules-based, 10-factor methodology.
Morningstar Indexes
Morningstar Style Indexes are based on the same methodology as the Morningstar Style Box™, providing a cohesive, integrated framework that can be seamlessly used at all stages of the investment process.

Constructed without gaps or overlap, Morningstar Style Indexes enable investors to accurately track the behavior and characteristics of each market segment. Their non-overlapping and comprehensive structure ensures that each index can be used as a discrete building block for efficient portfolio construction.

Indexes available:
Broad Market Index
Targets 97% market capitalization coverage
Capitalization Indexes
Large Cap: 70% market capitalization
Mid Cap: 20% market capitalization
Small Cap: 7% market capitalization
Composite Style Indexes
Defined by a 10-factor model. Over 36-month rolling cycles, each index represents 1/3 of the overall market.
Style Indexes
The nine segments of the well-known Style Box are specified by style and market capitalization.
Take Action
View Index Data
Get Purchasing Information
Request Market Commentary and 2010 Publication
See It Work
Market Commentary
Yearbooks and 5-Year Recap
Learn More
Product Fact Sheets
News Archive
White Papers and Rule Books
Investable Products
Customer Support
Reconstitution Calendar
Frequently Asked Questions
© Morningstar. All rights reserved.