Abstract: An improved interface for interacting with a user of financial instrument trading software is disclosed herein. The improvements include efficient user access to multiple accounts, the ability to quickly cancel open orders from an interface window, the display of real-time quote data within an order entry window, greater flexibility in viewing quote data within a quotes window and chart data within a chart window, the display of a high/low graph for a financial instrument in a quote window, improved visual highlighting techniques for notifying the user of significant data relating to a financial instrument, the ability to embed a chart from a chart window into a quote window, the ability to effectively link different user interface windows together such that a user action in one linked window will have an effect in another window linked thereto, and the ability to efficiently manage open orders within an open orders window.