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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 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.

CRSP Research Data Products

CRSP US Stock Databases

CRSP Historical Indexes

CRSP/Compustat Merged Database

CRSP Survivor-Bias-Free US Mutual Fund Database

CRSP US Treasury Database

CRSP/Ziman Real Estate Database

CRSP10

CRSP Cap-Based Portfolio Indexes

CRSPMI Intraday Database

CRSPMI Historical Database

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Documents & Resources

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Investments Illustrated

Release Notes

CRSPRDP News & Updates

Barclays Equity Gilt Study 2025

CRSP is proud that our historical data supports Barclay’s annual publication of their Equity Gilt Study. This year’s 70th edition continues to provide one of the most respected long-term views [...]

Tune Out the Noise

CRSP is pleased to recommend the latest documentary by award-winning filmmaker Erroll Morris. Featured in The Wall Street Journal, The Economist, and spotlighted in an exclusive CNBC interview, it follows [...]

CRSP Market Indexes US Market Update – Q1 2025

Notable items with this release include: - 2025 started out with short rally in January, but poor performance in Feb and March has erased those gains and left most Indexes [...]

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