In Forexgen
platform we usually use to plot on the price chart, but they can be also added
to the indicator chart (Custom Indicators). Just like in case of the Envelopes,
the interpretation of the Bollinger Bands is based on the fact that the prices
tend to remain in between the top and the bottom line of the bands. A
distinctive feature of the Bollinger Band indicator is its variable width due
to the volatility of prices. In periods of considerable price changes (i.e. of
high volatility) the bands widen leaving a lot of room to the prices to move
in. During standstill periods, or the periods of low volatility the band
contracts keeping the prices within their limits.
Thursday, December 11, 2008
Forexgen
now presents…Bollinger Bands Technical Indicator (BB) is similar to Envelopes.
The only difference is that the bands of Envelopes are plotted a fixed distance
(%) away from the moving average, while the Bollinger Bands are plotted a
certain number of standard deviations away from it. Standard deviation is a
measure of volatility; therefore Bollinger Bands adjust themselves to the
market conditions. When the markets become more volatile, the bands widen and
they contract during less volatile periods.
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