| 摘要 |
A method, and a graphical user interface and communicating user input device, for use in electronic trading an instrument on an electronic exchange having an inside market. Aligned dyamic bid, dynamic offer and dynamic price ladders are displayed, either in conventional grid format or in "price wheels" or other spatial configurations, which may include regions of expanded and compressed data to enhance both trader viewing and spatial and trading efficiency. Using the present invention, order parameters for a potential trade order may be displayed using an initial single user action; during display, the dynamic price ladder may continue to move, and may be displayed, without affecting the display of selected order parameters. Different order parameters may also be selected and, when desired, via a final single user action, a trade with the desired order parameters may be executed (i.e., sent to the electronic exchange). Other advantages of the present invention will be understood from the description and claims.
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