A trendline is a straight line that joins two important minimal or maximal price lines in a chart. Within a main trend there can be any number of secondary or minor trends. The length of each of them differs within wide ranges. It should be remembered that a trendline must not intersect with other prices between the two selected points. A trendline is a support/resistance pass-through where price changes within the range of the pass-through.
To draw a trendline, one should select this object and then click with the left mouse button in the chart. After that holding the mouse button one should draw a line in the necessary direction. Additional parameters will be shown near the end point:
Three points are located on a trendline. Extreme points are points for changing size and slope. The central one is used for moving the object.
There are the following parameters of a trendline:
Common parameters of object are described in a separate section.