Bollinger Squeeze v3





//+------------------------------------------------------------------+
//|                                                    bbsqueeze.mq4 |
//|                Copyright © 2005, Nick Bilak, beluck[AT]gmail.com |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, Nick Bilak"
#property link      "http://metatrader.50webs.com/"

#property indicator_separate_window
#property indicator_buffers 6
#property indicator_color1 LimeGreen
#property indicator_color2 IndianRed
#property indicator_color3 LightGreen
#property indicator_color4 LightPink
#property indicator_color5 Blue
#property indicator_color6 Red

//---- input parameters
extern int       totalBars=3000;
extern int       bolPrd=20;
extern double    bolDev=2.0;
extern int       keltPrd=20;
extern double    keltFactor=1.5;
extern int       momPrd=12;
extern bool    alertBox=false;
extern bool    audioAlert=false;

//---- buffers
double upB[];
double loB[];
double upK[];
double loK[];
double upB2[];
double loB2[];

int i,j,slippage=3;
double breakpoint=0.0;
double ema=0.0;
int peakf=0;
int peaks=0;
int valleyf=0;
int valleys=0, limit=0;
double ccis[61],ccif[61];
double delta=0;
double ugol=0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   SetIndexStyle(0,DRAW_HISTOGRAM,0,2);
   SetIndexBuffer(0,upB);
   SetIndexEmptyValue(0,0);
   
   SetIndexStyle(1,DRAW_HISTOGRAM,0,2);
   SetIndexBuffer(1,loB);
   SetIndexEmptyValue(1,0);

   SetIndexStyle(4,DRAW_ARROW);
   SetIndexBuffer(4,upK);
   SetIndexEmptyValue(42,0);
   SetIndexArrow(4,167);
   
   SetIndexStyle(5,DRAW_ARROW);
   SetIndexBuffer(5,loK);
   SetIndexEmptyValue(5,EMPTY_VALUE);
   SetIndexArrow(5,167);
   
   SetIndexStyle(2,DRAW_HISTOGRAM,0,2);
   SetIndexBuffer(2,upB2);
   SetIndexEmptyValue(2,0);
   
   SetIndexStyle(3,DRAW_HISTOGRAM,0,2);
   SetIndexBuffer(3,loB2);
   SetIndexEmptyValue(3,0);
//----
   return(0);
  }


int start() {
   int counted_bars=IndicatorCounted();
   int shift,limit;
   double diff,d[],std,bbs;
   
  /* if (counted_bars<0) return(-1);
   if (counted_bars>0) counted_bars--;
   limit=Bars-31;
   if(counted_bars>=31) limit=Bars-counted_bars-1;*/
   
   if (counted_bars<0) return(-1);
   limit=totalBars; //Bars-31;
   
   ArrayResize(d,limit);

   for (shift=limit;shift>=0;shift--)   {
   
      /*upB[shift]=0;
      upB2[shift]=0;
      loB[shift]=0;
      loB2[shift]=0;*/
            
      d[shift]=iMomentum(NULL,0,momPrd,PRICE_CLOSE,shift)-100; // - iMomentum(NULL,0,momPrd,PRICE_CLOSE,shift+1));
      //d[shift]=LinearRegressionValue(momPrd,shift);
      //d[shift]=0;//FindDirection(shift);
      
      if(d[shift]>0) {
         if (d[shift] >= d[shift+1]) {
            upB[shift]=d[shift];
            upB2[shift]=0;
         } else {
            upB2[shift]=d[shift];
            upB[shift]=0;
         }
         
         loB[shift]=0;
         loB2[shift]=0;
      } else if (d[shift] < 0) {
         
         if (d[shift] <= d[shift+1]) {
            loB[shift]=d[shift];
            loB2[shift]=0;
         } else {
            loB2[shift]=d[shift];
            loB[shift]=0;
         }
         upB[shift]=0;
         upB2[shift]=0;
      } else {
         upB[shift]=0.01;
         upB2[shift]=0.01;
         loB[shift]=-0.01;
         loB2[shift]=-0.01;
      }
      
		diff = iATR(NULL,0,keltPrd,shift)*keltFactor;
		std = iStdDev(NULL,0,bolPrd,MODE_SMA,0,PRICE_CLOSE,shift);
		bbs = bolDev * std / diff;
		
      if(bbs<1) {
         upK[shift]=0;
         loK[shift]=EMPTY_VALUE;
         
         if (alertBox == true && shift == 0) Alert("Warning for ", Symbol(), " on ", Period(), " chart!");
         if (audioAlert == true && shift == 0) PlaySound("alert.wav");
            
      } else {
         loK[shift]=0;
         upK[shift]=EMPTY_VALUE;
      }
   }
   return(0);
  }
//+------------------------------------------------------------------+

double FindDirection (int i) {

   int j;
   double val;
   double bulls, bears;
   
   for (j=i+8; j>i; j--) {
      
      bulls += High[j]-Close[j];
      bears += Close[j]-Low[j];
      
      if (bulls > bears) {
         val = 0.5;
      } else if (bears > bulls) {
         val = -0.5;
      }
      
      //sum += (Close[j] - Open[j]);
      //val = sum/j;
      
   }
   
   return (val);   

}

double LinearRegressionValue(int Len,int shift) {
   double SumBars = 0;
   double SumSqrBars = 0;
   double SumY = 0;
   double Sum1 = 0;
   double Sum2 = 0;
   double Slope = 0;

   SumBars = Len * (Len-1) * 0.5;
   SumSqrBars = (Len - 1) * Len * (2 * Len - 1)/6;

  for (int x=0; x<=Len-1;x++) {
   double HH = Low[x+shift];
   double LL = High[x+shift];
   for (int y=x; y<=(x+Len)-1; y++) {
     HH = MathMax(HH, High[y+shift]);
     LL = MathMin(LL, Low[y+shift]);
   }
    Sum1 += x* (Close[x+shift]-((HH+LL)/2 + iMA(NULL,0,Len,0,MODE_EMA,PRICE_CLOSE,x+shift))/2);
    SumY += (Close[x+shift]-((HH+LL)/2 + iMA(NULL,0,Len,0,MODE_EMA,PRICE_CLOSE,x+shift))/2);
  }
  Sum2 = SumBars * SumY;
  double Num1 = Len * Sum1 - Sum2;
  double Num2 = SumBars * SumBars-Len * SumSqrBars;

  if (Num2 != 0.0)  { 
    Slope = Num1/Num2; 
  } else { 
    Slope = 0; 
  }

  double Intercept = (SumY - Slope*SumBars) /Len;
  //debugPrintln(Intercept+" : "+Slope);
  double LinearRegValue = Intercept+Slope * (Len - 1);

  return (LinearRegValue);

}





Sample





Analysis



Market Information Used:

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


Indicator Curves created:

Implements a curve of type DRAW_HISTOGRAM

Implements a curve of type DRAW_ARROW

Indicators Used:

Momentum indicator
Indicator of the average true range
Standard Deviation indicator
Moving average indicator


Custom Indicators Used:

Order Management characteristics:

Other Features:

It issuies visual alerts to the screen
It plays sound alerts