The RSI_Histogram_Vol indicator with the ability to change the timeframe using input parameters.
input ENUM_TIMEFRAMES TimeFrame=PERIOD_H4; // The indicator chart period (timeframe)
For the indicator to operate, the RSI_Histogram_Vol.ex5 indicator must be added to the <terminal_data_directory>\MQL5\Indicators folder.
Fig. 1. The RSI_Histogram_Vol_HTF indicator