The Bottom Line

In his book, Bollinger on Bollinger Bands, John Bollinger advises chartists to beware of the “head fake.” This occurs when prices break a band, then suddenly reverse and move the other way, similar to a bull or bear trap. A bullish head fake starts when Bollinger Bands contract and prices break above the upper band. This…

This scan divides the difference between the upper band and the lower band by the closing price, which shows BandWidth as a percentage of price. In general, BandWidth is narrow when it is less than 4% of price. Chartists can use higher levels to generate more results or lower levels to generate fewer results. [type…

Before looking at the details, let’s review some key indicators for this trading strategy. First, for illustration purposes, note that we are using daily prices and setting the Bollinger Bands at 20 periods and two standard deviations, the default settings. These can be changed to suit one’s trading preferences or the characteristics of the underlying…

A Bollinger Band Squeeze is a condition that occurs when the Bollinger Bands narrow due to decreased volatility. According to John Bollinger, periods of low volatility are often followed by periods of high volatility. Therefore, a volatility contraction or narrowing of the bands can foreshadow a significant advance or decline. Once the squeeze play is…

The Bollinger Band Squeeze is a straightforward strategy that is relatively simple to implement. First, look for securities with narrowing Bollinger Bands and low BandWidth levels. Ideally, BandWidth should be near the low end of its six-month range. Second, wait for a band break to signal the start of a new move. An upside bank…

Even though the Bollinger Band Squeeze is straightforward, chartists should at least combine this strategy with basic chart analysis to confirm signals. For example, a break above resistance can be used to confirm a break above the upper band. Similarly, a break below support can be used to confirm a break below the lower band….