There are several reasons why moving or scaling a chart Y-axis is necessary. For example, let us say you plot the auto support and resistance lines on a chart and you want to display the distance between the highest high and the resistance line. The problem is that the resistance extremity is out of sight and the only way to create a line (with Y-axis distance setting enabled) that starts from the highest high to the resistance extremity is by moving or translating the Y-axis scale. Steps: - Click on the Y-axis - Move your mouse while pressing the left mouse button To scale the axis, hold the CONTROL key then perform the previous steps To restore the Y-axis default settings, double click on the Y-axis.  To scale/move the Y-axis programmatically, you can right click on a chart, select "Edit Formula" then use one of the following formulas: SetMaxScale SetMinScale SetPercentScale SetScale
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