CRSP
CRSP, short for the Center for Research in Security Prices, is a nonprofit data library maintained by the University of Chicago Booth School of Business that provides historical data on securities traded in the United States. It is widely used in academic research and financial analysis to study asset pricing, market microstructure, corporate actions, and related topics.
The core offering is the CRSP US Stock Database, which contains daily stock prices, returns, trading volumes,
Access to CRSP data is typically provided through institutional licensing, most commonly via the Wharton Research
History and governance: CRSP originated at the University of Chicago in the mid-20th century as a collaborative