Method and apparatus for trading financial assets, such as foreign exchange and money market instruments, commodities and securities. The invention, which may be accessed over an interconnected data communications network, such as the Internet, using a standard Web browser, as well as via a proprietary user interface, receives customer requirements, automatically combines and organizes those requirements into a batch of orders according to a set of customer preferences, and displays the batch of orders to the customer, along with indicative or actual price quotes, such that the customer may select and process multiple orders and multiple requirements simultaneously. Orders are priced and booked automatically.