90 lines
3.2 KiB
MQL5
90 lines
3.2 KiB
MQL5
 | //+------------------------------------------------------------------+
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//| AD.mq5 |
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//| Copyright 2000-2025, MetaQuotes Ltd. |
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//| https://www.mql5.com |
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//+------------------------------------------------------------------+
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#property copyright "Copyright 2000-2025, MetaQuotes Ltd."
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#property link "https://www.mql5.com"
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#property description "Accumulation/Distribution"
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#property indicator_separate_window
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#property indicator_buffers 1
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#property indicator_plots 1
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#property indicator_type1 DRAW_LINE
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#property indicator_color1 clrLightSeaGreen
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#property indicator_label1 "A/D"
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//--- input params
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input ENUM_APPLIED_VOLUME InpVolumeType=VOLUME_TICK; // Volume type
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//--- indicator buffer
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double ExtADbuffer[];
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//+------------------------------------------------------------------+
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//| Custom indicator initialization function |
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//+------------------------------------------------------------------+
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void OnInit()
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{
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//--- indicator digits
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IndicatorSetInteger(INDICATOR_DIGITS,0);
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//--- indicator short name
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IndicatorSetString(INDICATOR_SHORTNAME,"A/D");
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//--- index buffer
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SetIndexBuffer(0,ExtADbuffer);
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//--- set index draw begin
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PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,1);
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}
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//+------------------------------------------------------------------+
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//| Accumulation/Distribution |
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//+------------------------------------------------------------------+
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int OnCalculate(const int rates_total,
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const int prev_calculated,
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const datetime &time[],
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const double &open[],
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const double &high[],
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const double &low[],
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const double &close[],
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const long &tick_volume[],
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const long &volume[],
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const int &spread[])
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{
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//--- check for bars count
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if(rates_total<2)
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return(0); //exit with zero result
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//--- get current position
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int pos=prev_calculated-1;
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if(pos<0)
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pos=0;
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//--- calculate with appropriate volumes
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if(InpVolumeType==VOLUME_TICK)
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Calculate(rates_total,pos,high,low,close,tick_volume);
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else
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Calculate(rates_total,pos,high,low,close,volume);
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//---
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return(rates_total);
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}
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//+------------------------------------------------------------------+
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//| Calculating with selected volume |
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//+------------------------------------------------------------------+
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void Calculate(const int rates_total,const int pos,
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const double &high[],
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const double &low[],
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const double &close[],
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const long &volume[])
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{
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//--- main cycle
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for(int i=pos; i<rates_total && !IsStopped(); i++)
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{
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//--- get some data from arrays
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double hi=high[i];
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double lo=low[i];
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double cl=close[i];
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//--- calculate new AD
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double sum=(cl-lo)-(hi-cl);
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if(hi==lo)
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sum=0.0;
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else
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sum=(sum/(hi-lo))*volume[i];
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if(i>0)
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sum+=ExtADbuffer[i-1];
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ExtADbuffer[i]=sum;
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}
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}
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//+------------------------------------------------------------------+
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