Donchian Channels

Name Type Prerequisite Use Cases
Price Channel / Donchian (DC) Structure/Trend OHLC Data Classic breakout trading (e.g., Turtle Trading).

Definition

Donchian Channels are formed by taking the highest high and the lowest low of the last n periods. The area between the high and the low is the Donchian Channel.

Mathematical Equation

\[ \text{Upper Channel} = \max(\text{High}, n) \]
\[ \text{Lower Channel} = \min(\text{Low}, n) \]
\[ \text{Middle Channel} = \frac{\text{Upper} + \text{Lower}}{2} \]

Special cases

  • Maximum possible value: Unbounded
  • Minimum possible value: 0
  • Behavior: Follows the price by plotting the highest high and lowest low over a set period.

Visualization

Donchian_Channels

Trading Significance

  1. Breakouts: New Highs (touching upper band) signal buy. New Lows (touching lower band) signal sell.

  2. Turtle Trading: Famous Turtle Trading system used Donchian Channel breakouts.