Three Bollinger Bands channels based on one moving average, with the display of the last values as price labels.
The indicator uses SmoothAlgorithms.mqh library classes (copy it to <terminal_data_folder>\MQL5\Include). The use of the classes was thoroughly described in the article "Averaging Price Series for Intermediate Calculations Without Using Additional Buffers".
Fig.1. The XMA_BBx7 indicator
Translated from Russian by MetaQuotes Software Corp.
Original code: https://www.mql5.com/ru/code/14870
The BB_OsMA indicator with the timeframe selection option available in input parameters.ForexLine_HTF
The ForexLine indicator with the timeframe selection option available in input parameters.