A dealers account in which borrowing costs equal the interest earned on loans.

A bank runs a matched book when the distribution of the maturities of a banks liabilities equal that of its assets.

Used to describe the situation in which a bank maintains no open positions in foreign currency and does not have any tenor or rate mismatches in its asset/liability structure. A matched book in the securities industry means that the firm's borrowing costs are equal to the interest earned on loans to customers and other brokers.

A situation where a market maker has arranged exactly offsetting swap transactions so that there is no net market risk.