The difference of this indicator from the Bollinger Bands technical indicator is that the parameters of upper and lower bands (period, shift and deviation) can be configured individually; the middle band is calculated as the arithmetic mean.

Indicator Parameters

• Period Upper Line - period of the upper line
• Period Lower Line - period of the lower line
• Shift Upper Line - shift of the upper line
• Shift Lower Line - shift of the lower line
• Deviation Upper Line - deviation of the upper line
• Deviation Lower Line - deviation of the lower line

This indicator is used by the "Bollinger Bands strategy" Expert Advisor. It is provided to facilitate the visual selection of the parameters.