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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.​

PERMNO® is the proprietary reference key for all securities data maintained by CRSP. PERMNOs are permanent identifiers for all US-listed equities that are consistent through time over the life of each security, accounting for all types of corporate actions.

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, will be the last release of datasets produced in the Legacy (FIZ) and Flat File Format 1.0 (SIZ) formats.
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CRSP Research Data Products

CRSP US Stock Database

CRSP Historical Indexes

CRSP/Compustat Merged Database

CRSP Survivor-Bias-Free US Mutual Funds

CRSP US Treasury Database

CRSP/Ziman Real Estate Database

CRSP10

CRSP Cap-Based Portfolio Indexes

CRSPMI Intraday

CRSPMI Historical Database

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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.

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November 11, 2024

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