Key Features
Map Complex Relationships Over Time
The CCM Database allows CRSP US Stock Database subscribers who are also licensed for Compustat’s Xpressfeed fundamental data to access both datasets within a single linked database. The CRSPLink® maps complex relationships over time between CRSP and Compustat company and security permanent identifiers. Linking and historical database edits accelerate the research process and provide significantly greater accuracy over alternative research methods.
Key Data Items
Data Access
Delivery & Format
Permanent Identifiers. Proven Precision.
PERMNO® is a proprietary, permanent identifier used to track US-listed equities over time. Fixed for the life of a security, it allows researchers and analysts to follow securities with historical continuity and accuracy.
Documents and Resources
Learn about CRSP Research Data
Find out what CRSP research data can do for your organization.