Using CRSP Market Indexes Methodology, CRSP Count™ tracks changes in the number of securities by market cap segments – Mega, Mid, Small and Micro – through time.
CRSPRDP
Important Notice: CRSP US Stock & Indexes Databases Flat File Format 2.0 (CIZ)
As communicated previously, CRSP is migrating to a new back office. This requires that subscribers migrate to the Stock & Indexes Flat File Format 2.0 (CIZ), which was made available in summer 2022. The December 2024 data which will be released in January 2025, is scheduled to be the last release of datasets produced in the Legacy (FIZ) and Flat File Format 1.0 (SIZ) formats. Subscribers may refer to several documents to become familiar with the Flat File Format 2.0 (CIZ) files.
November 11, 2024
