Linking Suite by WRDS

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Easily download link tables between heavily used databases on the WRDS platform:

  • Bond CRSP Link allows you to directly link fixed income data at the individual bond level to the equity data from the CRSP database.
  • IBES CRSP Link provides the historical matching of IBES TICKER with CRSP PERMNO.
  • OptionMetrics CRSP Link provides the link between OptionMetrics SECID and CRSP PERMNO.
  • Daily TAQ CRSP Link provides the link between the TAQ symbol root and CRSP PERMNO.
  • Monthly TAQ CRSP Link provides the link between the TAQ symbol and CRSP PERMNO.
  • BoardEx CRSP Compustat Link provides a table linking CRSP and Compustat firm identifiers and BoardEx firm identifiers.
  • TR Insiders to BoardEx Link provides the link between Thomson Reuters 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 TR Insiders to BoardEx link requires subscriptions to TR Insiders and BoardEx; the Supply Chain with IDs requires subscriptions to Compustat, CRSP and CCM.