Linking Suite by WRDS
Easily Link tables between the most frequently-used databases on the WRDS platform:
- Bond-CRSP Link Directly link fixed income data at the individual bond level to the equity data from the CRSP database.
- IBES-CRSP Link Historical matching of IBES TICKER with CRSP PERMNO.
- OptionMetrics-CRSP Link OptionMetrics SECID and CRSP PERMNO.
- Daily TAQ-CRSP Link TAQ symbol root and CRSP PERMNO.
- Monthly TAQ-CRSP Link TAQ symbol and CRSP PERMNO.
- BoardEx-CRSP Compustat Link CRSP and Compustat firm identifiers and BoardEx firm identifiers.
- Refinitiv (Thomson Reuters) Insiders-BoardEx Link Refinitiv Insider Filing data and BoardEx data.
- Supply Chain with IDs uses customer identifiers linked by historical CRSP and Compustat company fields.
The Bond CRSP Link requires subscriptions to TRACE/Enhanced TRACE and CRSP databases; the IBES CRSP Link requires subscriptions to IBES and CRSP databases; the OptionMetrics CRSP Link requires subscriptions to OptionMetrics and CRSP databases; both the Daily and the Monthly TAQ CRSP Links require subscriptions to either daily or monthly TAQ and CRSP databases; the BoardEx CRSP Compustat Link requires subscriptions to BoardEx, CRSP, and Compustat; the Refinitiv/Thomson Reuters Insiders to BoardEx link requires subscriptions to Refinitiv/Thomson Reuters Insiders and BoardEx; the Supply Chain with IDs requires subscriptions to Compustat, CRSP and CCM.