The Center for Research in Security Prices, CRSP, is a research center at the Graduate School of Business at the University of Chicago. It maintains the most comprehensive collection of security price, return, and volume data for the NYSE, AMEX and NASDAQ stock markets. Additional CRSP files provide stock indices, beta- and cap-based portfolios, treasury bond and risk-free rates, and mutual fund databases. It also provides CRSP/Compustat Merged Database, a database that simplifies matching COMPUSTAT financial data to the CRSP security price data. CRSP is the leading source for the most comprehensive and accurate historical US databases available.
CRSP's unique and permanent security and company identifiers, PERMNO. and PERMCO., offer uninterrupted time-series analysis by tracking securities across time, regardless of identifier changes to CUSIP, ticker, company name, SIC Code, and exchange. This feature permits accurate time-series and events studies.
The CRSP data files are proprietary, the data copyrighted and usage restricted to personal or academic use in accordance with permissions as identified at http://www.crsp.com.
For more information regarding CRSP products, visit the CRSP home page.
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