technical indicators

Very quick and easy way to understand how to use Bollinger Band for trading….. If the bands are sideways i place my take profit a few points below the upper band. You can trade the concept on any timeframe as long as there’s sufficient liquidity. Am a better trader now in just 1week, by studing your materials. I was much against using indicators, but this is really useful and explained lucidly.

According to John Bollinger, the fall in the Bollinger Bandwidth indicator below 2% or 0.02 has led to big moves in the S&P500 index. Conversely, when the upper and lower Bollinger bands tighten, an impulsive move is likely right around the corner. Exit after another bearish divergence on Bollinger %b, from above to below 100. Use failure swings on Welles Wilder’s Relative Strength Index to confirm the signals.


The middle line in the chart represents a Simple Moving Average of N periods. All information on The Forex Geek website is for educational purposes only and is not intended to provide financial advice. Any statements about profits or income, expressed or implied, do not represent a guarantee. Your actual trading may result in losses as no trading system is guaranteed.

Buy Signal

When calculating BandWidth, the first step is to subtract the value of the lower band from the value of the upper band. This difference is then divided by the middle band, which normalizes the value. This normalized Bandwidth can then be compared across different timeframes or with the BandWidth values for other securities.

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While it is possible to use the Bollinger Bandwidth in the market, its role usually a bit limited. The second step is to subtract the value of the lower band from the upper band. This result will show you the absolute difference between the two. Now, to get the Bollinger Bandwidth, you then divide the middle band to normalize the value.

Bollinger Bandwidth Does Not Forecast Market Direction

Another good example of this is Snap, which you can see in the chart below. As you can see, the Bollinger Bandwidth remained in a tight range before the stock collapsed. On the right side, the Bollinger Bandwidth remained at elevated levels ahead of the next earnings. Because of how it works, the Bollinger Bandwidth does not have a close resemblance to Bollinger Bands.

reaches the upper

However, you shouldn’t immediately open long positions in this situation. It is better to wait for additional confirmation because the bearish impulse was very strong. – the first low is below the lower boundary of the band or touches it, while the second low is inside the band. Their formation, as a rule, takes less time than peak formation. It is connected with the traders psychology – they act more actively at market bottoms than tops.

Donchian Channel Indicator

It decreases as Bollinger Bands narrow and increases as Bollinger Bands widen. Because Bollinger Bands are based on the standard deviation, falling Band Width reflects decreasing volatility and rising Band Width reflects increasing volatility. Resistance refers to a level that the price action of an asset has difficulty rising above over a specific period of time. The breakout is not a trading signal and many investors mistake that when the price hits or exceeds one of the bands as a signal to buy or sell.

A 20-day moving average would take the closing prices of the first 20 days as the first data point. Following this data point, the earliest price would be dropped, the price on day 21 would be added, and then the average would be calculated, and so on. In the next step, we will determine the cryptocurrency’s standard deviation. Bollinger Band is a popular technical indicator used by crypto traders to estimate volatility and find entry and exit points. Bollinger Bands have been used for decades and remain a valuable technical indicator.

The Kairi Relative Index is a technical analysis indicator used to indicate potential buy and sell points based on overbought or oversold conditions. The next data point drops the earliest price, adds the price on day 21 and takes the average, and so on. Next, the standard deviation of the security price will be obtained.

Notice how BandWidth remained at low levels as the consolidation extended. A bullish signal triggered with the breakout in July 2007. BandWidth also rose as prices moved sharply in one direction and Bollinger Bands widened. This line marks 8, which is deemed relatively low based on the historical range.

Conversely, the wider apart the bands move, the more likely the chance of a decrease in volatility and the greater the possibility of exiting a trade. The bands do not indicate when the change may take place or in which direction the price could move. Bollinger’s Bandwith Indicator is used to warn of changes in volatility. As we know from using Bollinger Bands, a squeeze where the bands converge into a narrow neck often precedes a rapid rise in volatility. A Bollinger Band squeeze is highlighted by a fall in the Band Width indicator to below 2.0%.

Bollinger Bands formula is simple:

The Bollinger Bandwidth is a relatively easy indicator to calculate. Here, for first, you need to calculate the simple moving average of the asset. After this, you can calculate the positive and negative standard deviations of the asset. Also, the use of 20-day SMA and 2 standard deviations is a bit arbitrary and may not work for everyone in every situation. Traders should adjust their SMA and standard deviation assumptions accordingly and monitor them.

You know the middle line of the Bollinger Bands is simply a 20-period moving average . If you’re a new trader, it can be difficult to identify the volatility of the markets. Because in trending markets, the market can remain “cheap” or “expensive” for a long period of time. And if the is price near the lower Bollinger Band, it’s considered “cheap” because it’s 2 standard deviation below the average.

Most forex traders are trend traders and follow the trend using… Pivot points are an excellent leading indicator in technical analysis. W-Bottoms and M-Tops were part of Arthur Merrill’s work that identifies 16 patterns with a basic W-Pattern and M-Pattern, respectively. Bollinger Bands use W patterns to identify W-Bottoms when the second low is lower than the first low but holds above the lower band.


To make a conclusion, it would be wise to adjust the Bollinger bands for the asset you trade. If the price crosses the upper or the lower band too often, it’s necessary to increase the period. If the price rarely reaches the outer bands, there’s a sense to reduce the period. I think it will be highly beneficial for all who will obey pros and cons of rules of the bollinger band strategy. An accumulation stage is a range market within a downtrend, where you can identify resistance and support as price swings up and down within the accumulation.

Bollinger Squeeze

In other words, the width of the bands is equal to 10% of the middle band. Even though this level seems high, it is actually quite low for ALK. With the stock around 15-16, BandWidth was less than 10% and at its lowest level in over a year.

Watching the bollinger bands bandwidth behave like this, a trader may wonder if the stock is in a new uptrend, or if it has met its resistance. Bollinger Bands can be used to determine how strongly an asset is falling and when it is potentially reversing to an upside trend. In a strong downtrend, the price will run along the lower band, and this shows that selling activity remains strong. But if the price fails to touch or move along the lower band, it is an indication that the downtrend may be losing momentum.

  • While Bollinger Bandwidth is a good indicator to use, there are difficulties when it comes to use it in the market.
  • John Bollinger has a set of 22 rules to follow when using the bands as a trading system.
  • The contraction or expansion of the trading bands signals volatility and potential price movement.
  • I have many years of experience in the forex industry having reviewed thousands of forex robots, brokers, strategies, courses and more.

It occurs when a reaction low forms close to or below the lower band. One of the most well-known theories in regards to Bollinger Bands is that volatility typically fluctuates between periods of expansion and contraction . With this in mind, the major trading signal generated by Bollinger Bands Width is known as The Squeeze. In this video, you’ll see BBW applied to a trend-following strategy, simply buying an asset when its price trend goes up and selling when its price trend goes down. The difference between the two bands can then be used as a filter for market entries; a narrowing of the width between the two bands is a condition for entry. Phases of flat calm, where volatility is very low, are usually believed to be followed by sudden movements that indicate a volatility explosion.

Before we dive into the strategies, let’s first discuss the indicator. Investopedia requires writers to use primary sources to support their work. These include white papers, government data, original reporting, and interviews with industry experts. We also reference original research from other reputable publishers where appropriate. You can learn more about the standards we follow in producing accurate, unbiased content in oureditorial policy. When the price continually touches the upper Bollinger Band, it can indicate an overbought signal.

The Bandwidth indicator doesn’t offer further trade support, so traders have to use other tools to confirm when to buy and sell. Bollinger Band is a technical analysis indicator designed to provide investors with insights to discover oversold and undersold assets. Or you can also use it to trade market reversals after the Bollinger Bands expand, which shows the increase in volatility of the market. If the price comes to a key market structure like support resistance and then forms a price rejection, that’s a possible opportunity for you to take a reversal trade.

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However, traders use the two indicators in a different manner. For example, there are those who use Bollinger Bands in trend-following and those who use it to find reversals. This happens by looking at where the price is in relation to the Bollinger Bands indicator.

  • When the indicator reflects low volatility, traders expect the price to gain momentum in the near future.
  • A middle band, which is a Simple Moving Average, as well as upper and lower bands which are spaced off the middle band.
  • John bought one of the first mini-computers to increase efficiency of his work.
  • If the bands are sideways i place my take profit a few points below the upper band.

False signals are common when using the Bollinger Bandwidth indicator independently, without the support of any other technical indicators or fundamental analysis. Identify major resistance levels on the Bollinger bandwidth indicator to avoid dealing with false market movements. Identify key support levels on the Bollinger bandwidth indicator to avoid dealing with false market movements.

Many new traders think they need more indicators to be a consistently profitable trader. Usually, all three signals are combined and used in one trading strategy. When the bands squeeze together, it usually means that a breakout is getting ready to happen. If you’re freaking out because you’re not familiar with standard deviations. Because Bollinger Bands measure volatility, the bands adjust automatically to changing market conditions. Bollinger Bandwidth is used to identify the squeeze, which is a consolidation period of price, after which the price then breaks out in a particular direction.

As a result, in a strong uptrend, consider looking for buying opportunities at the middle band. If the uptrend is not so strong, corrections may be deeper and reach the lower BB. In a strong downtrend, look for selling opportunities at the middle BB. If the downtrend is not so strong, retracements may take the price up to the upper BB. Usually, when the price goes beyond the outer Bollinger band, it signals the start or continuation of a trend.

Bollinger Bands Technical Analysis Indicator: bbands