Research Data Products

CRSP US Stock Databases

Essentials

Document Library

Product Release Information

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Product Guide

Flat File Format 2.0 (CIZ) User Guide

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Key Features

Access Over 100 Years of Research Quality Data

Characterized by unmatched breadth and depth, the CRSP US Stock Databases include daily and monthly market data and corporate actions for more than 36,000 active and inactive securities. Unique permanent identifiers, PERMNO and PERMCO, allow for clean and accurate back testing, research utilizing timeseries and event data, performance measurement, benchmarking, and securities analysis.

Key Data Items

Indexes Provided

Exchange Coverage

Delivery & Format

Identifying Information

Permanent Identifiers. Proven Precision.

PERMNO^® is a proprietary, permanent identifier used to track US-listed equities over time. Fixed for the life of a security, it allows researchers and analysts to follow securities with historical continuity and accuracy.

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Documents and Resources

User Guides

Library of available guides that provide data descriptions and usage information.

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Release Notes

Monthly, quarterly and annual release notes.

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Release Calendar

Product release dates for all monthly, quarterly and annual releases through 2028.

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Data Access Tools

Discover supported platforms for accessing CRSP data, including our Windows interface, flat file formats, command line tools and programming libraries, and several third-party partnerships.

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Learn about CRSP Research Data

Find out what CRSP research data can do for your organization.