PriceChannel_Stop_v1.3





//+------------------------------------------------------------------+
//|                                       PriceChannel_Stop_v1.3.mq4 |
//|                               Copyright © 2006-08, Forex-TSD.com |
//|                         Written by IgorAD,igorad2003@yahoo.co.uk |   
//|            http://finance.groups.yahoo.com/group/TrendLaboratory |                                      
//+------------------------------------------------------------------+
#property copyright "Copyright © 20006-08, Forex-TSD.com "
#property link      "http://www.forex-tsd.com/"

#property indicator_chart_window
#property indicator_buffers 4
#property indicator_color1 Aqua
#property indicator_color2 Magenta
#property indicator_color3 Aqua
#property indicator_color4 Magenta

//---- input parameters
extern int    ChannelPeriod=     9; //Price Channel Period
extern double Risk         =  0.30; //Channel narrowing factor (0...0,5)
extern int    SignalMode   =     1; //0-Signal off,1-on
extern int    AlertMode    =     0; //0-alert off,1-on
extern int    VisualMode   =     0; //0-lines,1-dots 
extern int    EmailMode    =     0; //0-Email off,1-on 

//extern int Nbars=1000;
//---- indicator buffers
double UpBuffer[];
double DnBuffer[];
double UpSignal[];
double DnSignal[];
double smin[];
double smax[];
double trend[];

bool UpTrendAlert=false, DnTrendAlert=false;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
   string short_name;
//---- indicator line
   IndicatorBuffers(7);
   SetIndexBuffer(0,UpBuffer);
   SetIndexBuffer(1,DnBuffer);
   SetIndexBuffer(2,UpSignal);
   SetIndexBuffer(3,DnSignal);
   SetIndexBuffer(4,smin);
   SetIndexBuffer(5,smax);
   SetIndexBuffer(6,trend);
      if(VisualMode==0)
      {
      SetIndexStyle(0,DRAW_LINE);
      SetIndexStyle(1,DRAW_LINE);
      }
      else
      {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(0,159);
      SetIndexArrow(1,159);
      }
   
   SetIndexStyle(2,DRAW_ARROW);
   SetIndexStyle(3,DRAW_ARROW);
   SetIndexArrow(2,108);
   SetIndexArrow(3,108);
//---- name for DataWindow and indicator subwindow label
   short_name="PriceChannel_Stop_v1.3("+ChannelPeriod+","+DoubleToStr(Risk,3)+")";
   IndicatorShortName(short_name);
   SetIndexLabel(0,"UpTrend");
   SetIndexLabel(1,"DnTrend");
   SetIndexLabel(2,"UpSignal");
   SetIndexLabel(3,"DnSignal");
//----
   SetIndexDrawBegin(0,ChannelPeriod);
   SetIndexDrawBegin(1,ChannelPeriod);
   SetIndexDrawBegin(2,ChannelPeriod);
   SetIndexDrawBegin(3,ChannelPeriod);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| PriceChannel_Stop_v1.3                                             |
//+------------------------------------------------------------------+
int start()
  {
   int    i,shift, counted_bars=IndicatorCounted(),limit;
   double hi, lo, price;
  
   string Message;
   
   if ( counted_bars > 0 )  limit=Bars-counted_bars;
   if ( counted_bars < 0 )  return(0);
   if ( counted_bars ==0 )  limit=Bars-ChannelPeriod-1; 
   
   if ( counted_bars < 1 ) 
   for(i=1;i<ChannelPeriod;i++)
   { 
   UpBuffer[shift]=EMPTY_VALUE;
   DnBuffer[shift]=EMPTY_VALUE;
   UpSignal[shift]=EMPTY_VALUE;
   DnSignal[shift]=EMPTY_VALUE;
   }
   
   for (shift=limit;shift>=0;shift--)
   {	
   lo = Low[iLowest(NULL,0,MODE_LOW,ChannelPeriod,shift)];    
   hi = High[iHighest(NULL,0,MODE_HIGH,ChannelPeriod,shift)];
     
   smax[shift] = hi - (hi-lo)*Risk;
   smin[shift] = lo + (hi-lo)*Risk;
     
   trend[shift]=trend[shift+1];
   if (Close[shift] > smax[shift+1]) trend[shift]= 1; 
	if (Close[shift] < smin[shift+1]) trend[shift]=-1;
		  		
      if(trend[shift] > 0)
      {
         if(smin[shift] < smin[shift+1]) smin[shift] = smin[shift+1];
      UpBuffer[shift] = smin[shift];
	      if (SignalMode > 0 && trend[shift+1] != trend[shift]) UpSignal[shift] = smin[shift];
	      else UpSignal[shift] = EMPTY_VALUE;
	      if (SignalMode == 2) UpBuffer[shift] = EMPTY_VALUE;
	   DnBuffer[shift] = EMPTY_VALUE;
	   DnSignal[shift] = EMPTY_VALUE;
	   }
	   else
	   if(trend[shift] < 0)
	   {
         if(smax[shift] > smax[shift+1]) smax[shift] = smax[shift+1];
      DnBuffer[shift] = smax[shift];
         if(SignalMode > 0 && trend[shift+1] != trend[shift]) DnSignal[shift] = smax[shift];
	      if(SignalMode == 2) DnBuffer[shift] = EMPTY_VALUE;
	   UpBuffer[shift] = EMPTY_VALUE;
	   UpSignal[shift] = EMPTY_VALUE;
	   }
   }

   if(trend[2]<0 && trend[1]>0 && Volume[0]>1 && !UpTrendAlert)
	{
	Message = " "+Symbol()+" M"+Period()+": Signal for BUY";
      if(AlertMode > 0) Alert (Message); 
      if(EmailMode > 0) SendMail ("Signal from PriceChannel_Stop",TimeToStr(CurTime())+Message);
	UpTrendAlert=true; DnTrendAlert=false;
	} 
	else 	  
	if(trend[2]>0 && trend[1]<0 && Volume[0]>1 && !DnTrendAlert)
	{
	Message = " "+Symbol()+" M"+Period()+": Signal for SELL";
      if ( AlertMode > 0) Alert (Message); 
	   if ( EmailMode > 0) SendMail ("Signal from PriceChannel_Stop",TimeToStr(CurTime())+Message);
	DnTrendAlert=true; UpTrendAlert=false;
	} 
	 
   
   return(0);
}
//+------------------------------------------------------------------+



Sample





Analysis



Market Information Used:

Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Series array that contains close prices for each bar
Series array that contains tick volumes of each bar


Indicator Curves created:


Implements a curve of type DRAW_LINE
Implements a curve of type DRAW_ARROW

Indicators Used:



Custom Indicators Used:

Order Management characteristics:

Other Features: