High_Volume_Bars

ÿþ//+-----------------------------------------------------------+

//|                                      High Volume Bars.mq4 |

//|                                                           |

//| www.tradingview.com/script/ElfsaJiR-High-Volume-Bars/     |

//+-----------------------------------------------------------+

#property description "MT4 Code by  Max Michael 2022"

#property indicator_chart_window

#property indicator_buffers 5

#property indicator_color1 Blue   //wick

#property indicator_color2 Red    //wick

#property indicator_color3 Blue   //candle

#property indicator_color4 Red    //candle

#property strict



extern int      Lookback = 200;

extern double Multiplier = 1.0;

extern int	    BarWidth = 1;

extern int	 CandleWidth = 3;

extern int       MaxBars = 2000;



double  Bar1[],

        Bar2[],

		  Candle1[],

		  Candle2[];

double  volume[];



int init()

{

	SetIndexBuffer(0,Bar1);

	SetIndexBuffer(1,Bar2);				

	SetIndexBuffer(2,Candle1);

	SetIndexBuffer(3,Candle2);

	SetIndexStyle(0,DRAW_HISTOGRAM,0,BarWidth);

	SetIndexStyle(1,DRAW_HISTOGRAM,0,BarWidth);

	SetIndexStyle(2,DRAW_HISTOGRAM,0,CandleWidth);

	SetIndexStyle(3,DRAW_HISTOGRAM,0,CandleWidth);

	SetIndexBuffer(4,volume); SetIndexStyle(4,DRAW_NONE);

   string sShortName="High Volume Bar("+string(Lookback)+","+string(Multiplier)+")";

   IndicatorShortName(sShortName);

   SetIndexLabel(0,sShortName);

   return(0);

}



int start()

{

   int limit=Bars-IndicatorCounted();

   if (limit < 0) return(-1);

   if (limit > 0) limit--;

   if (limit > MaxBars) limit=MathMin(MaxBars,Bars-1);

   double VolStdDev;

   

   for(int i=limit; i>=0; i--) volume[i]=Volume[i];

   

   for(int i=limit; i>=0; i--)

   {

      VolStdDev=iStdDevOnArray(volume,0,Lookback,0,MODE_SMA,i);

      bool HighVol = Volume[i] - Volume[i+1] > VolStdDev*Multiplier;

      if (Close[i] > Open[i] && HighVol) SetCandleColor(1,i);

      if (Close[i] < Open[i] && HighVol) SetCandleColor(2,i);

   }

   return(0);

}



void SetCandleColor(int col, int i)

{

	double high,low,bodyHigh,bodyLow;

	{

		bodyHigh = MathMax(Open[i],Close[i]);

		bodyLow  = MathMin(Open[i],Close[i]);

		high		= High[i];

		low		= Low[i];

	}

	Bar1[i]= low;	Candle1[i]= bodyLow;

	Bar2[i]= low;	Candle2[i]= bodyLow;

	

	switch(col)

	{

		case 1: 	Bar1[i]= high;	Candle1[i]= bodyHigh;	break;

		case 2: 	Bar2[i]= high;	Candle2[i]= bodyHigh;	break;

	}

}