Bollinger Bands

A distinctive feature of the Bollinger Band indicator is its variable width due to the volatility of prices. The middle line ML is a usual Moving Average. The Bollinger Bands signals Traders use patterns formed on the price graph t o select the moment for the opening. It is recommended to use period Simple Moving Average as the middle line, and plot top and bottom lines two standard deviations away from it. Calculation Bollinger bands are formed by three lines. Free Indicators, Trading Systems & Expert Advisors for MetaTrader 4 & 5.

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Bollinger Bands Technical Indicator (BB) is similar to Envelopes. The only difference is that the bands of Envelopes are plotted a fixed distance - MetaTrader 4 Help. Nov 29,  · Bollinger Bands ® Indicator (Bollinger Bands, BB) is plotted a certain number of standard deviations - Free download of the 'Bollinger Bands, BB' indicator by 'MetaQuotes' for MetaTrader 4 in the MQL5 Code Base4/4(7). Bollinger Bands is a Metatrader 4 (MT4) indicator and the essence of the forex indicator is to transform the accumulated history data. Bollinger Bands provides for an opportunity to detect various peculiarities and patterns in price dynamics which are invisible to .