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The U.S. IPO Market Needs Saving. Could Paul Atkins Be the Answer?

This article from the Wall Street Journal highlights a significant decline in publicly traded companies, noting a drop from over 7,000 in 1998 to fewer than 4,000 last year, as reported by CRSP. 
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News & Updates

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. [...]

CRSP Market Indexes Breakpoints for Q1 2025

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

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