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Keltner Channels

advanced6 min read

An ATR-based channel that pairs neatly with Bollinger Bands to confirm breakouts.

Keltner ChannelsVolatility bands around an EMA using ATR. look like Bollinger BandsVolatility bands that widen and narrow around a moving average. — a moving averageA line that smooths price into its underlying trend. wrapped in an upper and lower band — but they’re built from ATR rather than standard deviationA measure of how spread out returns are.. That subtle difference is exactly why pairing the two becomes powerful.

The famous combo: a true squeeze is when the volatile Bollinger BandsVolatility bands that widen and narrow around a moving average. contract inside the steadier Keltner ChannelsVolatility bands around an EMA using ATR.. Because the two measure volatilityThe size of price swings — not their direction. differently, Bollinger slipping within Keltner is a rigorous signal that volatilityThe size of price swings — not their direction. has compressed to a genuine extreme — a higher-quality squeeze than Bollinger alone, which can give false pinches. When the Bollinger BandsVolatility bands that widen and narrow around a moving average. then pop back outside the Keltner ChannelsVolatility bands around an EMA using ATR., the squeeze is “firing” and a volatility expansion is underway. Two lenses on the same thing confirm each other.
ExampleA stock goes quiet and its Bollinger BandsVolatility bands that widen and narrow around a moving average. slip entirely inside its Keltner ChannelsVolatility bands around an EMA using ATR. — the squeeze is on. When the Bollinger BandsVolatility bands that widen and narrow around a moving average. then expand back outside the Keltner lines, it signals the breakoutWhen price decisively pushes through a support or resistance level. has begun, and traders take the move in whichever direction price breaks.
Key takeawayKeltner ChannelsVolatility bands around an EMA using ATR. are ATR-based bands — smoother than the standard-deviation Bollinger BandsVolatility bands that widen and narrow around a moving average.. The classic “squeeze” fires when Bollinger BandsVolatility bands that widen and narrow around a moving average. contract inside the Keltner ChannelsVolatility bands around an EMA using ATR. (genuine low volatilityThe size of price swings — not their direction.) and then expand back outside (breakoutWhen price decisively pushes through a support or resistance level.). Two volatilityThe size of price swings — not their direction. lenses confirming each other.
FAQs
Why use both Bollinger and Keltner instead of just one?

Because they measure volatility differently (standard deviation vs ATR), one confirms the other. Bollinger alone can show false squeezes; requiring the Bollinger Bands to sit inside the Keltner Channels filters those out, giving a more reliable read that volatility has truly compressed before a breakout.