The CRSP/Compustat Merged Database (CCM)

The CRSP/Compustat Merged Database (CCM) is comprised of  Compustat data items and CRSP's PERMNO and PERMCO. Combining CCM with the CRSP data involves an additional step.

Changes to Compustat
A new set of new web queries based on this new version CCM and Compustat XpressFeed data were introduced in our latest CCM update.