Linkedin-in

Request Subscription Information

Follow CRSP on LinkedIn

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.

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

Our Sign Up Process

Learn About Our Products

Familiarize yourself with CRSP’s full suite of data products and offerings

Explore Your Use Case

Let’s discuss the subscription that best suits the needs of your institution

Sign Data License

Take the next step and complete the subscription process

Access Data

Our CRSP Support Team will help get you set up and using our data

Documents & Resources

Data Access Tools

Investments Illustrated

Release Notes

CRSPRDP News & Updates

Market Timing and Managerial Talent

In “Market Timing and Managerial Talent”, Keming Li’s exploration of how firms’ equity issuance strategies relate to executive talent is supported by CRSP US Stock Data. The study sheds light [...]

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 [...]

Join Our Mailing List!

The best of CRSP, delivered right to your inbox.

CRSP Logo

The difference is clear.

©2025 Center for Research in Security Prices, LLC. All Rights Reserved.  |  Policies & Statements  |  Privacy Policy

Scroll to top