Bollinger Band®


Bollinger Bands ® explained As the name implies, Bollinger Bands ® are price channels (bands) that are plotted above and below price. The outer Bollinger Bands ® are based on price volatility, which means that they expand when the price fluctuates and trends strongly, and the Bands contract during sideways consolidations and low .

Dips below are deemed oversold and moves back above signal the start of an oversold bounce green dotted line.

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Bollinger Bands are a type of price envelope developed by John Bollinger. (Price envelopes define upper and lower price range levels.) Bollinger Bands are envelopes plotted at a standard deviation level above and below a simple moving average of the price. Because the distance of the bands is based.

This definition can aid in rigorous pattern recognition and is useful in comparing price action to the action of indicators to arrive at systematic trading decisions. In Spring , Bollinger introduced three new indicators based on Bollinger Bands. Bandwidth tells how wide the Bollinger Bands are on a normalized basis. Writing the same symbols as before, and middleBB for the moving average, or middle Bollinger Band:.

Uses for bandwidth include identification of opportunities arising from relative extremes in volatility and trend identification. The use of Bollinger Bands varies widely among traders. Some traders buy when price touches the lower Bollinger Band and exit when price touches the moving average in the center of the bands. Other traders buy when price breaks above the upper Bollinger Band or sell when price falls below the lower Bollinger Band.

When the bands lie close together, a period of low volatility is indicated. Traders are often inclined to use Bollinger Bands with other indicators to confirm price action. In particular, the use of oscillator-like Bollinger Bands will often be coupled with a non-oscillator indicator-like chart patterns or a trendline. If these indicators confirm the recommendation of the Bollinger Bands, the trader will have greater conviction that the bands are predicting correct price action in relation to market volatility.

Various studies of the effectiveness of the Bollinger Band strategy have been performed with mixed results. In , Lento et al. The authors did, however, find that a simple reversal of the strategy "contrarian Bollinger Band" produced positive returns in a variety of markets. Similar results were found in another study, which concluded that Bollinger Band trading strategies may be effective in the Chinese marketplace, stating: A recent study examined the application of Bollinger Band trading strategies combined with the ADX for Equity Market indices with similar results.

A paper from uses Bollinger Bands to reduce variance in a Monte Carlo simulation used to forecast the Canadian treasury bill yield curve.

In , Butler et al. There are two types of tops that you need to know about: This signal is usually accompanied by an RSI divergence 2 During a consolidation, price spikes into the outer Bands which get rejected immediately The screenshot below shows both scenarios. I am trading in metals.

Does your course apply in the trading of Metals also? I would like to do your premium trading course but the link no longer work.

Hope to hear from you soon. Hi Annelize you can join here http: Post a Reply Cancel reply. We use cookies to ensure that we give you the best experience on our website. If you continue to use this site we will assume that you are happy with it. If market rates rarely break the bands, consider reducing the number of reporting periods for which the average rate is calculated.

Develop your trading strategy and learn to use trading tools for market analysis. Learn the skills necessary to open, modify and close trades, and the basic features of our trading platform. Price Chart And Patterns. A trading strategy can offer benefits such as consistency of positive outcomes, and error minimization. Technical analysts track historical prices, and traded volumes in an attempt to identify market trends. They rely on graphs and charts to plot this information and identify repeating patterns as a means to signal future buy and sell opportunities.

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