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CRSPMI Transitional Reconstitution December 2025

December 15, 2025 - December 19, 2025

CRSPMI Transitional Reconstitution begins after end of day Monday, December 15 and concludes after end of day Friday, December 19.

For more information, visit CRSP Market Indexes Methodology.

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News & Updates

CRSP Market Indexes US Market Update – Q2 2025

Notable items with this release include: - Markets broadly rallied throughout Q2, with every Cap and Style Index posting gains over the previous 3 months. - Growth largely outperformed Value [...]

Comment on CRSP CIZ Monthly Return

We are delighted to invite Ph.D. students, faculty members, and friends to a WRDS webinar on the newly released CRSP CIZ (Version 2) data format. [...]

CRSP Market Indexes Breakpoints for Q2 2025

CRSP Market Indexes (CRSPMI) announces the market cap breakpoints and effective ranking dates for its June 2025 quarterly index rebalancing. [...]

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