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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. As of December 2024, CRSP has fully retired the SIZ (Version 1) structure, making this transition essential for anyone working with CRSP equities data. The session will address some of the common questions researchers have raised during the transition, on both data structure and data value comparison.

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Passcode: 2tK94Er!

News & Updates

CRSP Count™ Quarterly Update – March 2025

Using CRSP Market Indexes Methodology, CRSP Count™ tracks changes in the number of securities by market cap segments - Mega, Mid, Small and Micro - through time. [...]

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 [...]

Barclays Equity Gilt Study 2025

CRSP is proud that our historical data supports Barclay’s annual publication of their Equity Gilt Study. This year’s 70th edition continues to provide one of the most respected long-term views [...]

Tune Out the Noise

CRSP is pleased to recommend the latest documentary by award-winning filmmaker Erroll Morris. Featured in The Wall Street Journal, The Economist, and spotlighted in an exclusive CNBC interview, it follows [...]

CRSP Market Indexes US Market Update – Q1 2025

Notable items with this release include: - 2025 started out with short rally in January, but poor performance in Feb and March has erased those gains and left most Indexes [...]

CRSP Has Moved!

As of Monday, April 7, 2025, CRSP offices are now located at: 500 W Madison St, Ste 2900 Chicago, IL 60661 [...]

Building a Better Market Index

How Academic Research Shaped an Industry Standard | CRSP’s Market Indexes were built on a foundation of rigorous research—now, Chicago Booth Magazine is telling that story. [...]

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