| 摘要 |
This application discloses a display and/or user interface for viewing information relating to tradable items such as financial interests and/or for use in a trading system for such items. Offer and bid prices for the tradable item are displayed according to an alignment, e.g., vertically. The prices move along the alignment in accordance with received price updates. Persistence of at least a part of an earlier display is provided in a later display for indicating a market change or changes. A shift in the positions of one or more of the prices in the alignment and some visual persistence relative to one or more earlier prices provide an easily perceived visual indication to the viewer of changes in prices and direction of a market change or change relating to a reference value or benchmark from a first time to a second time. The displayed prices may include a last price, best offer and bid prices and depth of market prices. A cell is provided for each price and a color indicator for a price to be persisted is implemented, e.g., as a background coloring of the cells. Best offer and bid prices may be indicated by a first color, e.g., white, depth of market offer prices indicated by a second color or colors in one color family, e.g., green, and depth of market bid prices indicated by color or colors in another color family, e.g., red, with the particular color becoming more intense (e.g., darker) as the price worsens.
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