WRDS Database Linking Tool

WRDS has over 600 datasets from more than 50 vendors. Use our Database Linking Tool to view linking procedures.

For a visual depiction see Linking Matrix View.


Database 1 Database 2 Description
CRSP CRSP Linking within the CRSP Environment
CRSP Compustat CRSP/Compustat Merged (CCM) - (Additional product)
CRSP Thomson / Refinitiv MFLINKs for Mutual Fund Linking
Compustat CRSP CRSP/Compustat Merged (CCM) - (Additional product)
Compustat Compustat Linking within the Compustat Environment using GVKEY
Compustat Thomson / Refinitiv Link through CUSIP
Capital IQ CRSP CIQ company ID linked to GVKEY and then to CRSP
Capital IQ Compustat Linking within Capital IQ
Capital IQ Thomson / Refinitiv Link through CUSIP, ISIN or Ticker
TAQ CRSP Daily TAQ / CRSP Link
TAQ Compustat Link through CRSP
TAQ Thomson / Refinitiv Link to IBES through CUSIP
Thomson / Refinitiv CRSP Linking through CUSIP
Thomson / Refinitiv CRSP MFLINKs for Mutual Fund Linking
Thomson / Refinitiv CRSP 13f Linking Program
Thomson / Refinitiv Compustat Link using Compustat IBES/GVKEY linking table
Thomson / Refinitiv Compustat Link using CRSP's CUSIP
Thomson / Refinitiv Compustat Link using ISIN (for Compustat Global)
Thomson / Refinitiv Thomson / Refinitiv Dealscan Worldscope Link
Thomson / Refinitiv Thomson / Refinitiv Worldscope Datastream Link
Thomson / Refinitiv Thomson / Refinitiv Linking within Refinitiv (Thomson Reuters)
Factset CRSP Factset CRSP Link (Beta)
Factset Compustat Link through CRSP
Factset Thomson / Refinitiv Link through CUSIP
BoardEx CRSP Link with CRSP and Compustat
BoardEx Thomson / Refinitiv TR Insiders Boardex Link
IBES CRSP IBES CRSP Link
IBES Compustat Link through CRSP
IBES Thomson / Refinitiv Link through Security Mapping
OptionMetrics CRSP Option Metrics CRSP Link
OptionMetrics Compustat Link through CRSP
OptionMetrics Thomson / Refinitiv Link through CUSIP (for US) or ISIN (for International)
Bond:TRACE/Mergent FISD CRSP Bond CRSP Link
Bond:TRACE/Mergent FISD Compustat Link through CRSP
Bond:TRACE/Mergent FISD Thomson / Refinitiv Link through CRSP
SEC CRSP CIK-CUSIP Link
SEC Compustat GVKEY-CIK Link
SEC Thomson / Refinitiv Link through CRSP or Compustat
Audit Analytics CRSP Link through Compustat
Audit Analytics Compustat Link through CIK Link (primary)
Audit Analytics Compustat Link through Ticker (secondary)
Thomson / Refinitiv Thomson / Refinitiv Link through Compustat
Bureau van Dijk CRSP Link through ISIN (CUSIP) for US Companies
Bureau van Dijk Compustat Link through CRSP
Bureau van Dijk Thomson / Refinitiv Link through ISIN or SEDOL
ISS: Institutional Shareholder Services CRSP Link through CUSIP
ISS: Institutional Shareholder Services Compustat Link through CIK or CUSIP
ISS: Institutional Shareholder Services Thomson / Refinitiv Link to IBES through CUSIP
Markit CRSP Link REDCODE with CUSIP (CDS)
Markit CRSP Link DXLID with CUSIP (SecFin)
Markit Compustat Link REDCODE with CUSIP (CDS)
Markit Compustat Link DXLID with CUSIP (SecFin: US)
Markit Compustat Link DXLID with ISIN (SecFin: Global)
Markit Thomson / Refinitiv Link through CRSP (US)
Markit Thomson / Refinitiv Link through ISIN or SEDOL (International)
Ravenpack CRSP Link through CUSIP
Ravenpack Compustat Link through CUSIP (US) or ISIN (Global)
Ravenpack Thomson / Refinitiv Ravenpack IBES link
RepRisk CRSP Link through ISIN (carve out CUSIP)
RepRisk Compustat Link through ISIN (carve out CUSIP)
RepRisk Thomson / Refinitiv RepRisk IBES Link
Sustainalytics CRSP Link through ISIN (carve out CUSIP)
Sustainalytics Compustat Link through CIQ_ID or ISIN
Sustainalytics Thomson / Refinitiv Sustainalytics IBES link
BoardEx Compustat Link with CRSP and Compustat
CRSP Thomson / Refinitiv Linking through CUSIP
CRSP Thomson / Refinitiv 13F Linking Program
Audit Analytics Thomson / Refinitiv Link these two products using Compustat.