CRSP/Compustat Merged Database
The CRSP/COMPUSTAT Merged Databas (available via WRDS) allows for concurrent database access to CRSP's stock data and Compustat's fundamental data. The CRSP Link accurately maps complex, many-to-many relationships over time between CRSP's unique permanent identifiers (PERMNO and PERMCO), and Compustat’s unique permanent identifier (GVKEY). This link permits the seamless time series examination of CRSP and of Compustat companies and securities side by side, regardless of CUSIP or ticker changes. CRSPLink is a product and is trademarked by CRSP.
Masters and PhD students may register for an account on the WRDS website. Students will then need to wait to be verified before access is granted by the system. When registering always use your university email account. Once your account is verified you may access this resource remotely.