Formula:
%RR= ( (%R Williams) + ( Rendiment) ) / 2
1) %R williams is the indicator of Larry Williams
%R = (Highest High - Close)/(Highest High - Lowest Low) * -100
2) Rendiment= X * natural logarithm (Close1/Close2)
close1= close of previous candelstick
close2= close of candelstick N periods ago
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