//+------------------------------------------------------------------+
//| Williams' Accumulation/Distribution.mq4 |
//| Copyright © 2007, MetaQuotes Software Corp. |
//| http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2007, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net"
//----
#property indicator_separate_window
#property indicator_buffers 1
#property indicator_color1 LightSeaGreen
//---- buffers
double ExtMapBuffer1[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
IndicatorShortName("W_A/D");
//---- indicators
SetIndexStyle(0, DRAW_LINE);
SetIndexBuffer(0, ExtMapBuffer1);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
double AD, TRH, TRL;
int i, counted_bars = IndicatorCounted();
//----
i = Bars - counted_bars - 1;
while(i >= 0)
{
TRH = MathMax(High[i], Close[i+1]);
TRL = MathMin(Low[i], Close[i+1]);
if(Close[i] > Close[i+1] + Point)
AD = Close[i] - TRL;
else
if(Close[i] < Close[i+1] - Point)
AD = Close[i] - TRH;
else
AD = 0;
ExtMapBuffer1[i] = ExtMapBuffer1[i+1] + AD;
i--;
}
//----
return(0);
}
//+------------------------------------------------------------------+
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