The Donchian Channel plots the highest high and lowest low over a selected number of periods.

It helps identify:

• Breakouts

• Trend direction

• Volatility expansion

• Support and resistance levels

The channel consists of:

• Upper Line – Highest high of the lookback period

• Lower Line – Lowest low of the lookback period

Using Settings

Parameters

Length

Defines how many past bars are used to calculate:

• The highest high (Upper Line)

• The lowest low (Lower Line)

Increasing the length makes the channel wider and slower to react.
Decreasing the length makes it more sensitive to recent price changes.

Subgraphs

Donchian_Channel

Controls the visual style of the main channel structure.

• Color / 2° Color – Sets line colors.

• Subgraph Style – Determines how the channel is drawn (line style).

• Auto Color – Automatically changes color based on logic (if enabled).

• Line Style – Solid, dashed, etc.

• Line Width – Adjusts thickness.

• Short Name – Custom label displayed on chart.

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+DI (Upper Line)

Represents the highest high over the selected period.

-DI (Lower Line)

Represents the lowest low over the selected period.

Display Options (All Subgraphs)

• Name Label – Shows indicator name on chart.

• Value Label – Shows current value.

• Name Background – Background behind name.

• Value Background – Background behind value.

• Include on Auto Center – Includes indicator in auto-scaling calculations.

• Chart color for marker – Uses chart color for marker elements.