Range = (H-L);
AveragePrice = (H+L)/2;
RangePercent = Range/AveragePrice * 100;
Plot(RangePercent,"RangePercent",ParamColor("Percent Color", colorBlue),styleLine);
ARP = MA(RangePercent,Param("ARP MA Period",10,5,100,1));
Plot(ARP,"ARP",ParamColor("ARP Color", colorTan),styleLine);
The above...