CRSPMI Transitional Reconstitution

December 16, 2026 - December 22, 2026

Begins after end of day Wednesday, December 16 and concludes after end of day Tuesday December 22.

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For more information, visit:
CRSP Market Indexes Methodology or Transitional Reconstitution Calendar.

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News & Updates

Morningstar Reaches New Milestone in the CRSP Acquisition, Rebranding CRSP Market Indexes to Morningstar Indexes

The rebrand of the CRSP indexes, with over $3 trillion in AUM benchmarked, solidifies Morningstar’s position as one of the top tier index providers and is an important new milestone [...]

CRSP Market Indexes Notification – Index Name Change Notice

Morningstar Indexes is changing the names of the CRSP Market Indexes. These changes will align the individual index names with the standard Morningstar naming convention. Morningstar will implement the name [...]

April 2026 CRSP Market Indexes Methodology Guide Updates

The April 2026 CRSP Market Indexes Methodology Guide is now available at crsp.org/indexes/crsp-market-indexes-methodology. [...]