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Websites For Traders  |  SEP 2007

Websites For Traders Chart Ex by Jayanthi Gopalakrishnan

Websites For Traders Chart Ex by Jayanthi Gopalakrishnan WWW.CHART-EX.COM Lisa Erdmier, president and cofounder of the Chart-Ex website, which displays free commodity charts, developed a data visualization tool that displays volume at price in a unique format. It is similar to the Market Profile format in that it compares volume at price for one time frame to another. After spending several years as a floor trader, Erdmier wanted to develop a trading tool that would give the offfloor trader a picture of what goes on behind the numbers seen on a computer screen. The display, if you look at Figure 1, shows volume as histogram for a trading range of July 18 and 19 on the mini–gold contract. The horizontal lines represent volume for each corresponding price, which indicates where the high and low volume areas are at a glance.

by Jayanthi Gopalakrishnan

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