From Rules to Returns: Bloomberg US Size & Style Indices

Bloomberg’s US Size & Style Indices provide investors with precise, transparent, and responsive benchmarks, utilizing high-quality, self-sourced data and a structured, rules-based methodology. Unlike traditional providers with annual reconstitutions, Bloomberg’s semi-annual updates ensure indices remain representative of market dynamics while minimizing unnecessary turnover.

Case studies, including Super Micro’s (SMCI) rapid rise and Tesla’s (TSLA) delayed inclusion in competing benchmarks, illustrate the advantages of Bloomberg’s approach. Additionally, Bloomberg’s style indices utilize multiple valuation and growth metrics to enhance accuracy, avoiding distortions common in traditional classifications.

Key research topics:

  • Data quality & transparency: The role of self-sourced, high-quality data in index construction.
  • Index responsiveness: How semi-annual reconstitution enhances market representation.
  • Market impact case studies: Examples of Bloomberg’s methodology in action (Super Micro Computer, Tesla, and Palantir).
  • Style classification: The benefits of a multi-metric approach to growth and value investing.

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