Free Forex indicator
Bollinger bands is free forex indicator for trader. Bollinger bands indicator made by John bollinger, Bollinger bands Forex indicator is a trend indicator that can tell you
what trend direction a Forex market , Bollinger bands Free forex indicator also can tell you how volatile the price fluctuation is. Bolllinger bands forex indicator have three bands , a lower band, a center band, and an upper band.
How Bollinger bands free Forex indicator is built
Free Forex Indicator Bollinger bands are based on moving average indicator 20 days period. This indicator moving average works through the center of the two bands. The lower bollinger band is attached two standard deviations below the moving average indicator 20 days period. The upper bollinger band is attached two standard deviations above indicator moving average 20 days period.
Standard deviation is used to calculates how long closing prices diverge from the average closing price. Bollinger bands 20 days period show you how volatile , in the past 20 periods. The less volatile forex market the narrower the bollinger indicator will be. The more volatile forex market , the wider the bollinger will be .
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Forex is simple follow the trend and you will rich.
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