Price Channel

A price channel is formed by drawing a primary trendline (ascending, descending, or horizontal) and then plotting a parallel line that connects the opposing peaks or troughs. Channels fall into three categories: an ascending channel, where prices move between two upward-sloping parallel lines; a descending channel, defined by two downward-sloping parallel lines; and a horizontal channel, also known as a trading range, when the lines are roughly flat.

Traders use channels to identify logical entry and exit points—such as buying near the lower boundary and selling near the upper boundary in an ascending channel, while placing a stop-loss just below the lower channel line. Additionally, a strong breakout beyond either boundary can signal an acceleration of momentum or a potential trend reversal.

Channels are also useful for estimating price targets by measuring the channel's width and projecting it from the breakout point, a common method for setting take-profit levels.

A common mistake is forcing price action into an inaccurate channel using lines that are not truly parallel, or mechanically executing trades at channel boundaries without considering the broader market context or high-impact news. Traders should also note that a channel breakout does not necessarily signify a reversal of the underlying trend; it can often indicate an acceleration in the same direction.