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Instead of the usual Volume chart below the Price Chart, Spark plots the volume bar of each period in 3 sections:

Blue – is the Active Bought Contract Volumes (where trade prices >= Ask)

Red – is the Active Sold Contract Volumes (where trade prices <= Bid);

Green – is the remaining contract volumes (where prices are between Bid and Ask)

Special Volume Chart

The height of each bar (Blue-Green-Red) represent the total volume of that period, measured by the Right Axis

The white line represent the cumulative volume up to that period (measured by the Left Axis)


You can instantly change the period from 1-Minute to 5-Minute or even 15-seconds by clicking on the drop down list on the top.

Easily change period type and time range of the chart by clicking on the top bar

You can also change the Period range and Bottom Axis (Time) Interval.

By using the left mouse button to drag on the chart from Top-Left to Bottom-Right, you can zoom any region on the chart.

Drag with left mouse button to bottom-right to zoom any region of the chart


Reversing the dragging will undo the zooming.

See next feature: Dual-Product X-Y Chart

如欲免費試用, 請寄 電郵 給我們 或 whatsapp 3502 1457 或加我們LINE. 

Line ID : spark-spapi