CRSP Research Data Products are relied on by more than 600 subscribers, including major financial firms, government entities and leading research universities across 35 countries. CRSP data supports:
Academics whose research and publications must withstand rigorous analysis for accuracy
Quantitative analysts in the commercial market who perform backtesting and modeling calculations.
Regulators and policy makers, requiring complete data sets as the basis for financial and economic research.
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 was released in January 2025, was the last release of datasets produced in the Legacy (FIZ) and Flat File Format 1.0 (SIZ) formats.
For more information, please reference the materials in the Documents & Resources section on the CRSP US Stock Databases page.
The difference is clear.
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