A preferred embodiment of the invention provides an interface providing a model-driven projection of various order execution statistics based on the exact strategy (channel, algorithm, and parameters) that is selected by a user. In at least one embodiment, the interface is linked to at least order execution system and comprises an order execution display. In one embodiment, the invention comprises a computer system operable to display a graphical user interface comprising (a) a pre-trade analysis component for displaying market intelligence information regarding one or more specified securities; and (b) a strategy selection component for displaying order execution strategies for selection by a user and that comprises (i) an order execution component for routing a selected order execution strategy to an order execution system; (ii) an interface for enabling a user to specify trading strategies and strategy requirements; and (iii) a display for displaying projected order completion information.