CBOT Plans Floor Display, Historical Volumes

EXCHANGE WATCH

The Chicago Board of Trade (CBOT) is developing a volumes display system and a second historical data product after putting its historical data on the Internet last month (IMD, April 5).

The new display, designed for large plasma screens on trading floors, shows cumulative volumes at different prices around the bid/ask in color, with the blue or red shade becoming more intense as the volume at that price increases. A yellow marker slides up and down the side of the screen to show where the cu