Real author: TrendLaboratory

A trend indicator of NRTR type with an additional middle line.

//+----------------------------------------------+  //| Indicator input parameters                   |  //+----------------------------------------------+  input uint    Length=10;             // ATR period  input double  Kv=0.9;                // Indicator sensitivity factor  input double  Percentage=0;          // Middle line approaching the extreme lines  input Method  HighLow=MODE_HighLow;  // Indicator calculation by High/Low or Close  

Fig. 1. Skyscraper