Welch Bollinger Band ® Width – indicator MetaTrader 4

Welch Bollinger Band ® Width - indicator for MetaTrader 4
Author: maj1es2tic (Tim Welch) This indicator takes the current Width of the Bollinger Bands and compares it to the Maximum and Minimum Width of the Bollinger Bands over N periods (WidthCalcPeriod). If the calculated percentage is less than or equal to MinRangePercent, then the histogram shows Green. If the calculated percentage is 2x the MinRangePercent,