The **Regression Percentage Channel** is formed by parallel upper and lower price channels plotted at set percentage distances on either side of a **Regression Line**.

The resulting channel defines the boundaries of a price trend.

Create the central regression line by selecting the date the regression line is to be calculated from using one left mouse click, then move the cursor to the date of the regression line's end point, and click a second time.

The price level at which the clicks occur does not matter. The software uses a mathematical formula to calculate a gradient using the values of the price data type for each trading interval between the selected dates. The default data type is Close.

For more information on the line's method of calculation and display, go to the Regression Line topic.

The channels are then drawn at a user defined percentage on either side of the center line. The default is 5% in both directions.

The distance is calculated as the user defined percentage of the regression line's Start Price level added to the central regression line's level for the top channel, and subtracted from the central regression line's level for the bottom channel.

The percentages for each channel can be individually adjusted in the **Price Percentage Channel Properties** dialog box.

In the above example the settings were 5% for the upper channel and 3% for the lower channel.

Enter the percentage values as whole numbers in the **Top Percent** and **Bottom Percent** text entry boxes.

Apart from the percentage settings, there are a number of other properties that can be adjusted by the user in the **Regression Percentage Channel Properties** dialog box.

Double left mouse click on the lines to open the **Properties** dialog box, alternatively, single right mouse click to open the pop-up menu, see below, and select its first command - **Properties**.

The **Properties** dialog boxes of all Channel drawing tools share a number of features and controls. These common elements are described and explained in Common Settings for Regression Lines and Channels topic.

The pop-up menu (single right mouse click) for **Regression Percentage Channel** has the standard links: **Properties, Cut, Copy, Delete, Lock** and **Help**.

In addition to the standard links, the pop-up menu includes the **Parallel Trendline** command.

Click this to create a parallel line.

**Note** - This function will create one parallel trendline, not a duplicate set of parallel **Regression Percentage** lines. The resulting line is not a **Regression** line and will not have regression line functionality. When you move or resize the new line it will adhere to standard trendline functionality.

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