Real author:

Luis Guilherme Damiani

A common Average True Range with the ability to smooth the resulting curve using an additional averaging method.

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".

Figure 1. The ATRSmoothed indicator