Keltner Channel vs. Bollinger Bands: Which One Should Options Traders Trust?

They look similar on your chart… but make very different predictions. So which one should you listen to?

Keltner Channels and Bollinger Bands are both volatility-based technical indicators, but they differ significantly in how they represent and measure volatility. This makes them complimentary indicators that can be used together to achieve a more comprehensive view of the options market. Using one more often than the other primarily depends on the strategy you’re using and the type of trader you are, but they work best in conjunction with each other.

To give you an idea upfront, the main points covered in this guide will include:

• Quick overview of volatility’s role in options
• Understanding the primary differences between the Keltner Channels and Bollinger Bands
• A breakdown of how Bollinger Bands and Keltner Channels work
• The best times to use them
• Which technical indicator will work best for your trading strategy

What Are Keltner Channels?

Keltner Channels are a technical indicator that traders can use to determine market volatility and potential price trends in the near future. Keltner Channels consist of three lines: the two outer lines represent the average true range, and the middle line represents the exponential moving average. For a more detailed breakdown of each component, refer to the sections below for a better understanding of how Keltner Channels work in technical analysis.

The Formula

The direction of the channels can indicate the potential market direction, primarily based on whether the slope is upward or downward. The width of these channels indicates market volatility. Higher market volatility is seen when the channels are wider, while narrower bands suggest less volatility.

• Center Line: An exponential moving average (EMA) that is based on 20 periods
• Upper Band: This band is determined by adding a multiple of the average true range (ATR) to the exponential moving average (the multiple is usually 2)
• Lower Band: This band is determined by subtracting a multiple of the average true range (ATR) from the exponential moving average (the multiple is usually 2)

In addition to the possible market direction and the volatility level associated with these conditions, Keltner Channels are a valuable tool for identifying potential breakouts or reversals. When prices break out of the upper or lower bands, it can be a strong indicator of a breakout or a continuation of a trend. In terms of reversals, Keltner Channels can signal these when significant price action occurs near the bands.

Best Used For

Keltner Channels should also be used with a few other technical indicators in mind, especially with Bollinger Bands (which we’ll address shortly). Ultimately, they are best used when you’re wanting to get an idea of:

• Future price direction
• Possible trend continuations
• Potential breakouts
• Reversals

Pros and Cons for Options Traders

Pros

• Identifying Trends—Keltner Channels can help traders identify uptrends or downtrends when the price remains consistently above or below the center line. It’s a great way to clearly understand which way the market is likely to trend, rooted in historical data.
• Versatile—Traders can use Keltner Channels for several purposes, including breakout trading, pinpointing trends, and finding out if there are overbought or oversold conditions for specific stocks or other securities.
• Less Prone to False Signals—Compared to Bollinger Bands, Keltner Channels are far less prone to false signals that come up when there are sudden spikes in asset prices. Keltner Channels provide a much smoother experience for traders because they aren’t based on standard deviation, unlike Bollinger Bands.
• Support and Resistance Levels—The lines presented by Keltner Channels can adapt to changing market conditions, acting as strong support or resistance levels for traders and investors.
• Clear Visualization—Keltner Channels are a valuable tool for identifying overbought and oversold conditions, as they provide clear visual cues for traders, enabling them to visualize market reversals based on the current price and its relationship to the exponential moving average.
• Adapts Well to Volatility—One of the key benefits of Keltner Channels is that they can effectively adjust to market volatility. This allows traders to check the support and resistance levels relevant to the trade at hand.

Cons

• False Signals—When used in sideways or low-volatility markets, Keltner Channels can generate numerous false signals, meaning traders cannot rely on them in such market conditions.
• Lags Happen During Reversals – Keltner Channels aren’t always the fastest indicator when it comes to signaling trend reversals amid strong trends.
• Less Useful for Low-Volatility Instruments—Keltner Channels are far more valuable and practical in volatile markets, but they don’t work as well with low-volatility instruments, which can be a significant limitation for the tool. Traders need to utilize various technical indicators when trading in low-volatility markets.
• Success Depends on Chosen Parameters—The effectiveness of Keltner Channels is primarily dependent on the parameters chosen by traders at the onset of the trade setup. How well they work largely depends on the trader testing them out and making careful selections.
• Cannot Be Used in Isolation—To be as reliable as possible, Keltner Channels must be used in conjunction with other technical indicators to obtain the best possible picture of current market conditions. This is listed as a limitation, but it applies to most technical indicators.
• Lagging Indicator—They don’t reflect quick market changes because Keltner Channels are based on historical price data. They reflect the results or outcomes of past actions or events—they don’t predict future trends.

What Are Bollinger Bands?

Bollinger Bands is a technical analysis tool that provides traders and investors with insights into potential trading opportunities based on price volatility. The three bands that comprise a Bollinger Band setup (much like the Keltner Channels) will expand and contract when there’s price volatility, which lets traders see potential overbought or oversold conditions with the assets or securities they’re trading as well as the ability to pinpoint breakouts or reversals that could happen down the line.

• Center Line: A simple moving average (SMA) that is based on 20 periods
• Upper Band: A line that is plotted by two standard deviations above the simple moving average
• Lower Band: A line that is plotted by two standard deviations below the simple moving average

The ultimate formula for the Bollinger Band indicator is a simple moving average (SMA) plus standard deviation, which creates the volatility indicators of the Bands. The distance between the upper and lower bands signifies the level of volatility: the further apart they are, the more volatility there is, and the closer they are, the lower the volatility.

• Prices Touching the Lower Band—Oversold conditions or a potential price bounce or reversal upward.
• Price Touching the Upper Band—Overbought conditions or a potential price pullback or reversal downward.
• Squeezes With Bollinger Bands—When the Bollinger Bands narrow or come closer to one another, it comes before a period of potential breakout in either direction or an increased time of volatility.

What Bollinger Bands Measure

Bollinger Bands react to price fluctuations by expanding and contracting in response to price movements. As prices become more volatile, the bands widen. On the flip side, volatility decreases as the bands become narrower, resulting in more stable market conditions.

Another aspect that Bollinger Bands measures is if the security’s price is relatively high or low compared to the most recent price action that the asset or security has been experiencing. Depending on where the price movements are occurring compared to the locations of the bands will indicate or measure overbought or oversold conditions.

When Bollinger Bands Are Used

Traders will use Bollinger Bands for multiple reasons, including the following:

• Pinpointing overbought or oversold conditions
• Gauging volatility
• Finding potential trading signals like breakouts, reversals, or trend confirmation

Pros and Cons for Options Traders

Pros

• Gauge for Market Volatility—When the bands expand, you can rely on there being an increase in volatility in the options markets. On the other hand, bands that contract are a reliable signal that volatility is waning.
• Discover Breakouts Through Bollinger Squeezes—A prolonged period of narrow bands can be a strong signal of a possible breakout. This is due to the market volatility being low and a significant price movement being imminent.
• Versatility—A big perk of using Bollinger Bands is being able to apply them to various timeframes and for a wide range of financial instruments.
• Find Overbought or Oversold Conditions—Bollinger Bands are a simple way to find overbought or oversold conditions. Prices that touch or cross the upper band are considered overbought, while prices that touch or cross the lower band are considered oversold.
• Support and Resistance Levels—Bollinger Bands are known for adapting well to the changing volatility of an asset, which means that they act as dynamic support or resistance levels.
• Suitable for Ranging and Trending Markets—Bollinger Bands can be used to highlight price boundaries in ranging markets, as well as to identify the reversal of a trend or the continuation of a trend in trending markets.

Cons

• False Signals are Possible—When used in choppy or sideways markets, Bollinger Bands can produce false signals, much in the same way that you see with Keltner Channels. The prices can touch the bands and not follow through on the trend that was supposed to happen.
• Can’t Be Used as a Standalone—Bollinger Bands should never be used in isolation. They must be used in conjunction with other technical indicators to minimize the number of false alarms and accurately confirm signals. It is best paired with Keltner Channels.
• Trend Direction Isn’t Always Clear—The Bands don’t always come out and clearly indicate what kind of market is going to trend, whether it’s sideways, uptrending, or downtrending. They indeed indicate reversals and changes in volatility, but they don’t always explicitly show trend direction.
• The Limits of Standard Deviation—One of the shortcomings of Bollinger Bands is that they are based on standard deviation and assume that the price movements are going to follow a normal distribution, which isn’t always the case in the real world.
• Lagging Indicator—Like Keltner Channels, Bollinger Bands are based on historical price data. They reflect past volatility, and they don’t always accurately predict future price movements, as most traders would like them to.
• Interpretation Can Be Subjective—Traders tend to have different interpretations of the meanings behind band movements, which means that they don’t have a consistent interpretation in all market scenarios.

Side-by-Side Comparison

Keltner Channels and Bollinger Bands have their own unique role in technical analysis, so they naturally come with a lot of differences. For this reason, they are two indicators that can be used in a complementary sense for optimal results. Let’s take a closer look at Keltner Channels and Bollinger Bands—we’ve compared the two, and we’ll show how they can be combined for maximum effect.

Bollinger and Keltner Compared

As you can see, there are some key differences between the basis for the center line and how the bands are calculated. Keltner Channels are more effective in trending markets, where traders seek to pinpoint market trends or identify potential breakouts. On the other hand, Bollinger Bands are more effective in range-bound markets where traders are looking for possible reversals or moments of volatility fading.

How They Perform in Options Trading

As we’ve already mentioned a few times, Keltner Channels and Bollinger Bands each have specific areas where they excel in technical analysis. While it’s key to use them together for the clearest picture of the markets possible, traders will find that each comes with its own unique forte:

• Keltner for trend-following strategies, such as directional long calls and puts.
• Bollinger Bands for mean-reversion strategies, such as iron condors or credit spreads.

Although each has its unique strengths in technical analysis, one common ground they share is that they both can produce false signals, which can lead traders astray if they aren’t paying close attention. With Bollinger Bands, false signals can occur when the price movements briefly touch or break through the bands only to reverse course quickly. Keltner Channels create false signals in sideways markets when prices might break above or below the channels temporarily and then reverse soon.

Along with combining Keltner Channels and Bollinger Bands, traders might consider using a few other technical indicators alongside to compensate for some of the false signals that each of these indicators can generate (as well as something called the “squeeze,” which we’ll discuss in a moment) including the following:

• Volume—Indicators that are used to analyze the buying and selling pressure of a financial asset by measuring the contracts or shares that are traded within a specified period of time.
• Price Action—Graphical representations of price movements that can be used to analyze trends or potential reversals.

Using Both Together

The best instance where traders should use Bollinger Bands and Keltner Channels together is when a “squeeze” or “BB/KC Squeeze” occurs. These happen when the market is consolidating and building up energy for a significant future price movement. The Bollinger Bands contract and move inside the Keltner Channels, which is an essential sign that there is low market volatility and the potential for a substantial price breakout on the horizon.

The “Squeeze” setup has the Bollinger Bands acting as the signal and the Keltner Channel acting as the filter:

• Bollinger Bands—These are contract/narrow, and this suggests decreased volatility in the markets and a consolidation of the prices. The contraction of the bands signals that the market is prepping for a big breakout (or price movement) in either direction.
• Keltner Channels—Used in conjunction with the Bollinger Bands, the Keltner Channels act as a filter, rooting out any false signals and confirming the squeeze. Traders can be specific that a market squeeze is approaching when the Bollinger Bands narrow within the Keltner Channels.

Entry and Exit Logic (Bollinger Bands)

• Entry points for Bollinger Bands and long positions are signaled when the price crosses above the upper band, while short position entry points are apparent when the price crosses below the lower band.
• Exit points for Bollinger Band and long positions are made clear when the price moves back below the middle band (the moving average is based on 20 days). When it comes to short positions, the best exit point for Bollinger Bands is when the rice moves back above the middle band.

Entry and Exit Logic (Keltner Channels)

• Enter a long position using Keltner Channels as a guide when the price closes above the upper Keltner Channel band. Short positions can be entered when the price closes below the lower Keltner Channel band.
• It’s best to close out a long position when the price falls below the upper Keltner Channel or when it reaches the middle line. For short positions, exit when the price rises back above the lower Keltner Channel or when it reaches the middle (the exponential moving average).

Key Takeaways—Which Should You Trust?

When is it best to trust either the Bollinger Band or the Keltner Channel as a technical indicator when you aren’t using them together? It’s a terrific question because they can be used separately from one another with other indicators like price action or volume. Check out which is best for each situation you find yourself in in the options trading market.

Trust Keltner Channels when:

• The market is trending.
• You trade breakouts or momentum.

Trust Bollinger Bands when:

• The market is ranging.
• You trade reversals or volatility fades.

As we’ve already mentioned, you can use Bollinger Bands and Keltner Channels to identify “squeeze” setups or to confirm signals successfully. These are the prime opportunities to utilize both together to gain the best understanding of when the market is contracting and consolidating in preparation for a significant price movement.

Know Your Tools, Trust Your Strategy

Choosing between Keltner Channels and Bollinger Bands primarily depends on the market context, but it’s best to pair them with another indicator for full confirmation of your theories. Choosing Keltner when markets are trending or if you’re the type of trader who’s interested in trading momentum or breakouts. Use Bollinger when markets are ranging, or you’re interested in trading around events like volatility fades or reversals.

Note: Pair Bollinger Bands and Keltner Channels to identify market squeezes and confirmations (when Bollinger Bands cross over into the Keltner Channels).

Key Takeaways from the Guide

• There’s no “better” tool—only what fits your strategy.
• Understand the market condition before relying on either.
• Practice using both in a paper trading environment.
• Don’t forget to combine with other indicators (volume, support/resistance)

Remember to check out our Options Strategy Builder to find the best approaches to trading options while incorporating technical indicators like Keltner Channels and Bollinger Bands into the mix!