Some bid ask sizes not available from DTN IQFeed

NeuroShell has the ability to show bid and ask prices as well as bid and ask sizes when tick, range, volume, or second bars types are selected. IQFeed provides bid and ask prices in historical data, but not bid and ask sizes. However, both are available in real time streaming data. Therefore, NeuroShell will show zero when bid and ask sizes are inserted onto a chart.

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