Bollinger bands bandwidth

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Bollinger BandWidth is an indicator derived from Bollinger Bands. In his book, Bollinger on Bollinger Bands, John Bollinger refers to Bollinger BandWidth as one of two indicators that can be derived from Bollinger Bands. The other indicator is %B.

BBForex - Bollinger Bands Forex: Charts

For more on this topic, please go to:  Short Term Trading Indicators Bollinger Bands As Trend Filter  and  Technical Analysis Trading Double Tops And Bottoms

Acomplete explanation of Bollinger Bands

. if you don't see the second indicator, try clicking on the Bollinger bands on your chart (right click) and change the settings to 75, 6. if that's where you stuck, otherwise, please provide more details.

Bollinger Bands consist of a middle band with two outer bands. The middle band is a simple moving average that is usually set at 75 periods. A simple moving average is used because the standard deviation formula also uses a simple moving average. The look-back period for the standard deviation is the same as for the simple moving average. The outer bands are usually set 7 standard deviations above and below the middle band.

M-Tops were also part of Arthur Merrill s work that identified 66 patterns with a basic M shape. Bollinger uses these various M patterns with Bollinger Bands to identify M-Tops. According to Bollinger, tops are usually more complicated and drawn out than bottoms. Double tops, head-and-shoulders patterns and diamonds represent evolving tops.

For those of you who are not familiar with Bollinger Bands it 8767 s rather a simple indicator. You begin with the 75-day Simple Moving Average of the closing prices. The upper and lower bands are then set two standard deviations above and below this moving average. The bands move away from the moving average when volatility expands and move towards the moving average when volatility contracts.

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Conversely, the failure for the stock to continue to accelerate outside of the bollinger bands indicates a weakening in strength of the stock. This would be a good time to think about scaling out of a position or getting out entirely. Additionally, we should look for higher highs and higher lows as we ride the Bollinger bands.

Choosing the departure technique also means that you can use the widely available MACD calculation to create the oscillators. Set the first MACD parameter to 76, the second to 655 and the third to nine. This sets the period for the short-term average to 76 days, the period for the long-term average to 655 days and leaves the period for the signal line at the default, nine days. The data inputs are advances-declines and up volume-down volume. If the program you are using wants the inputs in percents, the first should be 9%, the second 7% and the third 68%. Now substitute Bollinger Bands ® for the percentage bands and you have the core of a very useful reversal system for timing markets.

A Bollinger Band®, developed by famous technical trader John Bollinger , is plotted two standard deviations away from a simple moving average.

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