MetaStock -> Tools -> Indicator Builder -> New ->
Copy and paste complete formula between "---8<---" lines.



==============
Stepped output
==============
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{ Stepped Price/Indicator output v2.0 }

{ ©Copyright 2005 Jose Silva
  For personal use only
  http://www.metastocktools.com }

{ Data array or indicator to quantize }
x:=C;

{ User inputs }
step:=Input("Step size",0,10000,0.5);
type:=Input("Step type:  [1]$points,  [2]%percentage",1,2,1);

{ Step size }
step:=Max(If(type=1,step,
 LastValue(x*(step/100))),.00001);

{ Stepped data array }
stepX:=Int(x/step+.5)*step;

{ Plot on price chart or own window }
stepX

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