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Historical volume provided by a supported data vendor in MultiCharts is displayed depending on the type of data (see [[Tick, Minute and Daily Data]]):
* Historical tick volume.<br>In most cases supported data sources in MultiCharts provide only historical '''total''' tick volume, no up and down volume. For tick-based resolutins resolutions all historical total volume is devided divided by 2 and allacated to up and down volume.* Historical minute and daily volume.<br>In most cases supported data sources in MultiCharts provide only historical '''total''' tick volume, no up and down volume. For minute-based and daily-based resolutins resolutions all historical total volume is recorded to the data base as total volume and is also doubled as up volume. Down volume is empty.
==Volume is imported from ASCII file==
