Keltner Channel
Technical IndicatorsA volatility-based envelope indicator that plots bands above and below an exponential moving average using the Average True Range. Unlike Bollinger Bands, which use standard deviation, Keltner Channels produce smoother bands that are less prone to sudden width changes.
What Is a Keltner Channel?
The Keltner Channel consists of three lines: a center line (typically a 20-period Exponential Moving Average) and upper and lower bands set at a multiple (usually 2x) of the Average True Range above and below the EMA. Because ATR changes gradually, Keltner Channels produce smoother, more consistent bands compared to Bollinger Bands, which can spike suddenly when a single large bar inflates the standard deviation calculation.
Trading with Keltner Channels
In trending markets, look for price to break above the upper channel (bullish breakout) or below the lower channel (bearish breakout) and ride the trend as long as price stays outside. In ranging markets, fade touches of the upper and lower bands, buying near the lower band and selling near the upper. The center EMA line often acts as dynamic support in uptrends and resistance in downtrends. On EUR/USD, pullbacks to the center line in a trend frequently offer entries.
Keltner vs. Bollinger
Both are channel indicators, but they suit different styles. Bollinger Bands react faster to sudden volatility changes, making them better for identifying squeezes and extreme moves. Keltner Channels provide steadier, less noisy bands that work better for trend-following. Many traders use both: Keltner for trend direction and Bollinger for volatility analysis. The choice of ATR multiplier (1.5x for tighter channels, 2.5x for wider) should match your trading timeframe and the pair's typical Volatility.
Related Terms
Bollinger Bands
A volatility indicator consisting of three lines: a middle simple moving average (typically 20-period) and upper and lower bands set at 2 standard deviations above and below it. The bands expand during high volatility and contract during low volatility.
Donchian Channel
A trend-following indicator that plots the highest high and lowest low over a set number of periods (default 20). Breakouts above the upper channel or below the lower channel signal potential new trends.
Average True Range
A volatility indicator that measures the average range of price bars over a specified period, accounting for gaps. ATR does not indicate direction but shows how much a pair typically moves, helping traders set appropriate stop-losses and position sizes.