Any time you hear an investment professional mention the year 1926, he's telling you he's gotten his data from CRSP.

In 1960, Chicago Booth embarked on development of the world’s first comprehensive database for historical security prices and returns information. The research-quality data created by this transformational project established a vast amount of scholarly research for several generations of academics. Visit the special 90 Years of Data page to view a historical timeline, read a few factoids, and utilize our related graphic resources.

Current Release Notes Most Viewed Guides CRSP in Action

Includes data definitions, calculations, methodologies, and more.

Includes data definitions, link information, access functions, and cross reference information

Access tools and programming libraries for the CRSP US Stock & US Index Databases and CRSP/Compustat Merged databases.

Includes installation, data access, and tool usage

Humble Giants – Vanguard’s Gerry O’Reilly and Jim Rowley


In this Podcast, Author/Portfolio Manager Patrick O’Shaughnessy of CFA interviews Vanguard Portfolio Manager Gerry O’Reilly and Jim Rowley, a Senior Investments Analyst, about indexing, ETFs, and CRSP.

This Basically Anonymous Fund Manager Oversees $800 Billion

Take a rare look behind the scenes at an index fund with Vanguard's Gerry O'Reilly, manager of the world's largest mutual fund.

Most Read on Bloomberg: The Fundamental Reason Buffett Beats the Market

Eugene Fama and Richard Thaler, two legendary finance professors at the University of Chicago, recently had a debate


Sun Solaris Support Ending

In order to ensure that our subscribers continue to have robust and dependable data access, CRSP is retiring big-endian databases for use on Solaris platforms following publication of the December 2016 data cut that is available in January 2017.

New Academic Subscribers

Six academic institutions have recently subscribed to CRSP historical data and they join the nearly 500 institutions, in 35 countries, relying on CRSP for scholarly research and classroom instruction.