CRSP Research Data Products are relied on by major financial firms, government entities and leading research universities.
Currently, CRSP data is used by more than 600 subscribers across 35 countries.
As previously communicated, CRSP introduced the Stock & Indexes Flat File Format 2.0 (CIZ) in summer 2022. The December 2024 data which was released in January 2025 was the last release of datasets produced in the Legacy (FIZ) and Flat File Format 1.0 (SIZ) formats.
Additional reference materials and resources can be found in the Documents & Resources section of the CRSP US Stock Databases landing page.The difference is clear.
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