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. |