IFT RSI Time Frame Indicator System - Amibroker AFL Code

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SetBarsRequired(10000,0);

pr_d = (H+L)/2; 
len_d = 10; 
maxh_d = HHV(pr_d,len_d); 
minl_d = LLV(pr_d,len_d); 
Array1_d = .33*2*((pr_d-minl_d)/(maxh_d-minl_d)-.5); 
val1_d = AMA(Array1_d,.67); 
value1_d = IIf(val1_d>.99,.999,IIf(val1_d<-.99,-.999,val1_d)); 
Array2_d = .5*log((1+value1_d)/(1-value1_d)); 
fish_d = AMA(Array2_d,.5); 

varOverboughtSignal = 0.20;
varOversoldSignal = -0.20;
PlotGrid(varOverboughtSignal, colorLightGrey);
PlotGrid(varOversoldSignal, colorLightGrey);




Plot(fish_d, "IFT_d", colorRed, styleThick);

Title="IFT-RSI TimeFrame";