EFID/MPID List

For BZX, C1, C2, and EDGX Options Exchanges, this tool displays the relevant list of firms with associated EFIDs and OCC IDs. This tool also displays the relevant list of firms with associated EFIDs and OCC IDs for CFE. For BYX, BZX, EDGA, and EDGX Equities, this tool displays a user’s firm-owned MPID information. No new privileges are required; therefore, these lists can be viewed by any portal user.