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Williams' Accumulation / Distribution
To simplify the explanation of this formula, we will enter it as three formulas
nested in the indicator. The first statement assigns the "true range" of the high to a variable. Similarly, the second formula assigns the "true range" of the low to a variable. The third statement calculates Williams' A/D indicator.


Williams' Accumulation/Distribution

TrueRangeHigh:=Max( Ref(CLOSE,-1), HIGH );
TrueRangeLow:=Min( Ref(CLOSE,-1), LOW );
Cum(If(C > Ref(C,-1),C-TrueRangeLow, If(C < Ref(C,-1),C-TrueRangeHigh,0)))

 

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