CRSP US Stock Databases

About the database

CRSP is renowned for its expertise in building and maintaining historical, academic, research-quality stock market databases. The CRSP US Stock Databases provide a unique research source characterized by unmatched breadth and depth. They include CRSP’s permanent identifiers allowing for clean and accurate backtesting, research utilizing time-series and corporate event data, performance measurement, benchmarking, and securities analysis.

The CRSP US Stock Databases contain daily and monthly market and corporate action data for over 32,000 active and inactive securities with primary listings on the NYSE, NYSE American, NASDAQ, NYSE Arca and Bats exchanges and include CRSP broad market indexes. CRSP databases are characterized by their comprehensive corporate action information and highly accurate total return calculations.

New Flat File Format 2.0 (CIZ) is Here!

CRSP has introduced a new Flat File Format 2.0 (CIZ) for the CRSP US 1925 and 1962 Stock and Stock with Index Databases. All Stock and Index subscribers – monthly, quarterly, and annual – received this premiere data cut. Click here for more information. As was true for the Flat File Format 1.0 (SIZ), the files are available in SAS, ASCII and R formats.

Click on the Documentation Tab below for new resources. 

Please email and indicate your preferred file format. If we do not receive your preferred file format, your organization will not have access to the new Flat File Format 2.0 (CIZ).