The Morningstar® Style Index family tracks the equity market in the United States by capitalization and investment style using a comprehensive, rules-based, 10-factor methodology. Morningstar Style Indexes are based on the same methodology as the Morningstar Style Box, giving investors a framework to accurately track the behavior and characteristics of each market segment. Constructed without gaps or overlap, each Morningstar Style Index can be used as a discrete building block for efficient portfolio construction.
Broad Market Index
Targets 97% market capitalization coverage
Large Cap: 70% market capitalization Mid Cap: 20% market capitalization Small Cap: 7% market capitalization
The nine segments of the well-known Morningstar Style Box are specified by style and market capitalization.