LabTrend3_v1

//+------------------------------------------------------------------+
//|                                                 LabTrend3_v1.mq4 |
//|                                  Copyright © 2006, Forex-TSD.com |
//|                         Written by IgorAD,igorad2003@yahoo.co.uk |   
//|            http://finance.groups.yahoo.com/group/TrendLaboratory |                                      
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, Forex-TSD.com "
#property link      "http://www.forex-tsd.com/"

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Aqua
#property indicator_color2 Magenta
//---- input parameters

extern int    Risk=3;         // Sensivity Factor
extern double MoneyRisk=2.0; // Offset Factor
extern int    BarsNumber=1000;
//---- indicator buffers
double UpTrendBuffer[];
double DownTrendBuffer[];

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
  int init()
  {
   string short_name;
//---- indicator line
   
   SetIndexBuffer(0,UpTrendBuffer);
   SetIndexBuffer(1,DownTrendBuffer);
   
   SetIndexStyle(0,DRAW_ARROW);
   SetIndexStyle(1,DRAW_ARROW);
  
   SetIndexArrow(0,159);
   SetIndexArrow(1,159);
   
   IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS));
//---- name for DataWindow and indicator subwindow label
   short_name="LabTrend3("+Risk+","+MoneyRisk+")";
   IndicatorShortName(short_name);
   SetIndexLabel(0,"UpTrend Stop");
   SetIndexLabel(1,"DownTrend Stop");
//----
   SetIndexDrawBegin(0,10);
   SetIndexDrawBegin(1,10);
   SetIndexDrawBegin(2,10);
   SetIndexDrawBegin(3,10);
   SetIndexDrawBegin(4,10);
   SetIndexDrawBegin(5,10);
//----
   return(0);
  }

//+------------------------------------------------------------------+
//| LabTrend3_v1                                             |
//+------------------------------------------------------------------+
int start()
  {
   int    i,shift,trend;
   double Kv=0.382,smax[25000],smin[25000],bsmax[25000],bsmin[25000];
   
   int    Length=10;      // Volatility(ATR) Period
   int Nbars=BarsNumber+100;
   
   for (shift=Nbars;shift>=0;shift--)
   {
   UpTrendBuffer[shift]=0;
   DownTrendBuffer[shift]=0;
   }
   
   for (shift=Nbars-Length-100;shift>=0;shift--)
   {	
     double Range=iATR(NULL,0,Length,shift);
     double AvgRange=iATR(NULL,0,100,shift);
     
     if (Range<AvgRange) Range=AvgRange;
     
     double high=High[Highest(NULL,0,MODE_HIGH,9,shift)]; 
     double low =Low[Lowest(NULL,0,MODE_LOW,9,shift)];  
     
     smin[shift]=low + 0.3*(high-low);
     smax[shift]=high- 0.3*(high-low); 
     
     bsmax[shift]=High[shift]+(1.0+0.1*Risk)*Range;
	  bsmin[shift]=Low[shift]-(1.0+0.1*Risk)*Range;
		   
	  if(Close[shift]>smax[shift])  trend=1; 
     if(Close[shift]<smin[shift])  trend=-1;
		 	
	  if(trend>0)
	  {
	  if(Low[shift]-bsmin[shift]<Kv*MoneyRisk*Range) bsmin[shift]=Low[shift]-Kv*MoneyRisk*Range;
	  if(bsmin[shift]<bsmin[shift+1]) bsmin[shift]=bsmin[shift+1];
	  }
	  
	  if(trend<0)
	  {
	  if(bsmax[shift]-High[shift]<Kv*MoneyRisk*Range) bsmax[shift]=High[shift]+Kv*MoneyRisk*Range;
	  if(bsmax[shift]>bsmax[shift+1]) bsmax[shift]=bsmax[shift+1];
	  }	  
	  	    
	  if (trend>0) 
	  {
	     if (UpTrendBuffer[shift+1]==-1.0)
	     {
	     bsmin[shift]=Low[shift]-0.1*Risk*Range;
	     UpTrendBuffer[shift]=bsmin[shift];
	     }
	     else
	     {
	     UpTrendBuffer[shift]=bsmin[shift];
	     }
	  DownTrendBuffer[shift]=-1.0;
	  }
	  if (trend<0) 
	  {
	  if (DownTrendBuffer[shift+1]==-1.0)
	     {
	     bsmax[shift]=High[shift]+0.1*Risk*Range;
	     DownTrendBuffer[shift]=bsmax[shift];
	     }
	     else
	     {
	     DownTrendBuffer[shift]=bsmax[shift];
	     }
	  UpTrendBuffer[shift]=-1.0;
	  }
	  
	 }
	return(0);	
 }