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Bollinger Bands vs Keltner Channels Which Is Better

The Key Differences Between Bollinger Bands and Keltner Channels

bollinger bands vs keltner channels

Bollinger Bands and Keltner Channels stand out as two popular indicators to analyze market volatility and trends. While they may appear similar at first glance, each has its unique characteristics and advantages. This article aims to dissect these two indicators, helping you understand their mechanics and decide which one better suits your trading strategy.

What are Bollinger Bands?

Created by John Bollinger in the 1980s, Bollinger Bands consist of three lines: a middle band representing a simple moving average (SMA), an upper band, and a lower band. The upper and lower bands are typically set two standard deviations away from the middle band.


  1. Volatility Measurement: Bollinger Bands expand and contract based on market volatility. Wider bands indicate increased volatility, while narrower bands suggest decreased volatility.
  2. Trend Reversals: The ‘Bollinger Bounce’ occurs when the price reverses its direction upon hitting an outer band, which can be a powerful signal for short-term trades.
  3. Multiple Timeframes: Bollinger Bands can be applied across various timeframes, offering flexibility in your trading approach.

What are Keltner Channels?

Keltner Channels were introduced by Chester Keltner in the 1960s. Like Bollinger Bands, Keltner Channels have three lines: a middle line, which is an Exponential Moving Average (EMA), and two outer lines set at a distance based on the Average True Range (ATR).


  1. Trend Identification: Keltner Channels are excellent for identifying the general trend direction. If the price is above the middle line, it’s considered bullish; below, it’s bearish.
  2. Reduced False Signals: Because Keltner Channels use ATR, they are less sensitive to sudden price spikes, reducing the chance of false breakouts.
  3. Overbought/Oversold Conditions: Similar to Bollinger Bands, the outer lines of Keltner Channels can indicate overbought or oversold conditions, albeit in a less dynamic way.

Bollinger Bands vs Keltner Channels: Key Differences

Sensitivity to Volatility

Bollinger Bands are more sensitive to sudden volatility because they use standard deviation. Keltner Channels, on the other hand, offer a smoother representation of volatility and price action, making them less reactive to short-term volatility spikes.

Signal Accuracy

If you’re looking for more conservative signals that filter out market noise, Keltner Channels may be more suitable. Bollinger Bands, however, are better for identifying volatility and potential reversals in the market.


Bollinger Bands are generally more adaptable to different trading strategies and can be tweaked more extensively than Keltner Channels. You can adjust the number of standard deviations for the bands to suit your risk tolerance.

Which Should You Choose?

The choice between Bollinger Bands and Keltner Channels depends on your trading style and objectives.

  1. Day Traders: If you’re a day trader who relies on volatility and quick decision-making, Bollinger Bands may be more appropriate.
  2. Swing Traders: For those who take a slightly longer-term approach and prefer less market noise, Keltner Channels could be the better option.


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