A computerized electronic trading system and method permits a customer using a customer computer to electronically request a market from a dealer using a dealer computer for a financial instrument through a network. The centralized computer system includes one or more computers and at least one message server for communicating electronic messages between the customer computer and the dealer computer, and a database system including at least one storage device, the database system storing at least information related to a plurality of financial instruments and to a trade executed between the customer and dealer. The computerized electronic trading system is programmed with a request for market module programmed with a trade negotiation sub-component to handle the exchange of messages related to the negotiation of trades, and a trade execution module to negotiate pricing for the financial instrument, including an ability to counter a price quote for the financial instrument are transmitted through the computerized electronic trading system, and execute a trade upon agreement between the customer and the dealer on the price quote.