Advanced Bollinger Bands Indicator (Bollinger Bands®, BB).

Added to the standard Bands.mq4 indicator: the span of the upper / lower bands and signals of possible reversals.

• BandsPeriod – the period of the indicator.
• BandsRange – the period for determining the scope.
• BandsDeviations – the number of standard deviations.
• Averaging Fast Period – the averaging period is fast.
• Averaging Slow Period – the averaging period is slow.

• 0 – Middle line,
• 1-Top line,
• 2-Bottom line,
• 3-Upper span,
• 4-Lower span,
• 5-Signal down,
• 6-Signal up.