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.
Broad Market Index
Targets 97% market capitalization coverage
Large Cap: 70% market capitalization Mid Cap: 20% market capitalization Small Cap: 7% market capitalization
Defined by a 10-factor model. Over 36-month rolling cycles, each index represents 1/3 of the overall market.
Composite Style Indexes
The nine segments of the well-known Style Box are specified by style and market capitalization.