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CRSPMI Transitional Reconstitution September 2025

September 17, 2025 - September 23, 2025

CRSPMI Transitional Reconstitution begins after end of day Wednesday, September 17 and concludes after end of day Tuesday, September 23.

For more information, visit CRSP Market Indexes Methodology.

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WRDS Research Webinar Series – Flat File Format 2.0 (CIZ)

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. [...]

Important Notice: CRSP US Stock & Indexes Databases Flat File Format 2.0 (CIZ)

As communicated previously, CRSP is migrating to a new back office. This requires that subscribers migrate to the Stock & Indexes Flat File Format 2.0 (CIZ), which was made available [...]

Market Timing and Managerial Talent

In “Market Timing and Managerial Talent”, Keming Li’s exploration of how firms’ equity issuance strategies relate to executive talent is supported by CRSP US Stock Data. The study sheds light [...]

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