Wrds Compustat ((install)) Jun 2026

The most common entry point for researchers is the .

Empirical research in finance and accounting relies heavily on standardized, historical financial statement data. Compustat (originally from Standard & Poor’s, now part of S&P Global Market Intelligence) provides over 50 years of annual and quarterly fundamentals for publicly traded companies. The Wharton Research Data Services (WRDS) platform acts as a unified delivery system, offering seamless access to Compustat alongside CRSP, OptionMetrics, IBES, and others. This paper serves both as a tutorial and a methodological reference for researchers who need to extract, clean, and merge WRDS Compustat data.

WRDS Compustat is an indispensable resource for rigorous empirical research. By understanding its file structure, mastering clean extraction methods, and avoiding common biases, researchers can produce replicable and credible results. The illustrated Fama–French replication demonstrates a complete workflow, from raw Compustat/CRSP data to testable factor returns. Future work should extend this framework to international data (Compustat Global) and quarterly frequency. wrds compustat

A standard workflow in finance research involves merging Compustat (Accounting data) with CRSP (Stock Market data).

Note: In practice, researchers often lag Total Assets by one year (using AT from $t-1$) when calculating ratios to avoid look-ahead bias. The most common entry point for researchers is the

select a.*, b.permno, b.linkdt, b.linkenddt from comp.funda a join ccm.ccmxpf_linktable b on a.gvkey = b.gvkey where b.linktype in (‘LU’, ‘LC’) and b.linkprim = ‘P’;

Unlocking Financial Insight: A Guide to WRDS Compustat Wharton Research Data Services (WRDS) is the industry-standard platform for high-performance financial research, and is widely considered its most essential database. For researchers in accounting, finance, and economics, WRDS Compustat provides the high-quality, standardized data necessary to analyze market trends and corporate performance across decades. What is WRDS Compustat? The Wharton Research Data Services (WRDS) platform acts

: Provides historical data on major indices like the S&P 500 , allowing researchers to track which companies entered or left an index on specific dates. Why Researchers Choose WRDS Compustat

Each file includes a unique gvkey (Global Company Key) as the permanent identifier. Annual files have datadate (fiscal year end date) and fyr (fiscal year month).

This piece breaks down what Compustat is, how to navigate the WRDS interface, and best practices for handling the data.

Compare monthly SMB/HML series to Kenneth French’s library. A correlation > 0.98 indicates correct implementation.