Developed by Chicago Booth, CRSP is one of the most important databases for academic research and financial industries for historical security prices and returns information. It includes CRSP 1925 US Stock Database, CRSP 1925 US Indices Database, CRSP/COMPUSTAT Merged Database, Daily & Monthly CRSP US Treasury Database, CRSP/Ziman Daily/Monthly Real Estate Database Series, CRSP/Ziman Monthly Real Estate Database Series, and so on.

(Source: https://wrds-www.wharton.upenn.edu/pages/support/data overview/ )

Usage：

CRSP can only be operated on the WRDS Platform, please follow the steps above to apply for a WRDS account.

You must apply for an account before using WRDS:

1) Visit http://wrds-web.wharton.upenn.edu

2) Click on the "Register" button or register for a WRDS Account

3) Finish the application form

4) After approval of your application, you will get an email with specific guidance on how to set your WRDS account

5) Log in to WRDS

6) Read WRDS Terms of Use

7) Use WRDS