The chart in the window can be zoomed in and out in various ways.
First method—zoom in, zoom out, or reset using the buttons on the main toolbar.
Second method—change the scale manually. To do this, move the mouse cursor over the scale and hold down the left mouse button. Move the mouse up to zoom in and down to zoom out.
Third method involves using the keyboard and mouse together:
To make the chart fit to the height of the chart area, set automatic scaling. To do this, double-click the left mouse button on the price scale.
The TigerTrade terminal saves the regular chart scale (e.g., a candlestick) and a chart with clusters. When adjusting the scale of one chart, the changes will not affect the other.