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IDBs are specialized securities companies serving as intermediaries which facilitate transactions between broker/dealers, dealer banks, SMMPs, and institutions in the debt markets. Click here to see the SIFMA MSBB brochure.
Broker/dealers and other financial institutions utilize the secondary fixed income markets to execute their customers’ orders, trade for a profit and manage their exposure to risk, including credit, interest rate and exchange rate risks. There is no centralized exchange in the fixed income market. As a result, financial institutions need a way to find information, liquidity and anonymity for their trading activity. This need created a demand for the services of perhaps the least known and understood market participants, interdealer brokers (IDBs).
IDBs in the secondary government, agencies, municipal, corporate and other debt markets — also known as “municipal securities broker’s brokers” in the municipal bond markets— are specialized securities companies who act as intermediaries working to facilitate transactions between broker/dealers and dealer banks in these markets. IDBs are sometimes described as providing a “Petri dish” of liquidity in the bond markets. That is, they provide a “nurturing environment” wherein market participants can ascertain information about a given market, thereby eventually facilitating a trade between buyers and sellers.
The IDB community distributes information and facilitates transactions in the secondary, or wholesale, financial debt markets between dealers and dealer banks around the world. Typically, markets which make extensive use of IDBs include the corporate bond, fixed income derivatives, U.S. Government and Agency, municipal securities and emerging markets.
Interdealer brokers play varying roles in each of the fixed income markets and have become instrumental to their effectiveness and efficiency. IDBs draw together buyers and sellers so that trades can be executed by market participants. IDBs provide potential buyers and sellers with the critical market information they need to trade.
Interdealer brokers add value to the debt markets In general terms, IDBs add value to the markets by: