$BBS





//+------------------------------------------------------------------+ 
//|    $BBS                                                          | 
//|                                                                  | 
//|                                                                  | 
//|   Copyright © 2008, Avery T. Horton, Jr. aka TheRumpledOne       |
//|                                                                  |
//|   PO BOX 43575, TUCSON, AZ 85733                                 |
//|                                                                  |
//|   GIFT AND DONATIONS ACCEPTED                                    | 
//|                                                                  |
//|   therumpldone@gmail.com                                         |  
//+------------------------------------------------------------------+ 
//|                                                                  |
//| go to www.kreslik.com for the latest indicator updates           |  
//+------------------------------------------------------------------+ 
//|                                                                  |
//| Use www.efxgroup.com as your forex broker...                     |  
//| ...tell them therumpledone sent you!                             |  
//+------------------------------------------------------------------+ 

#property copyright "Avery T. Horton, Jr. aka TheRumpledOne © 2008" 

#property link      "www.kreslik.com" 


//+------------------------------------------------------------------+
//|                                                    bbsqueeze.mq4 |
//|                Copyright © 2005, Nick Bilak, beluck[AT]gmail.com |
//|           enhanced a little bit by CJ Rivas, carlos[AT]vealo.com |
//+------------------------------------------------------------------+
//#property copyright "Copyright © 2005, Nick Bilak"
//#property link      "http://metatrader.50webs.com/"

#property indicator_separate_window
#property indicator_buffers 1



//---- input parameters
extern int       bolPrd=20;
extern double    bolDev=2.0;
extern int       keltPrd=20;
extern double    keltFactor=1.5;
extern int       momPrd=12;
//---- buffers
double upB[];
double upB2[];
double loB[];
double loB2[];
double upK[];
double loK[];
double _Value[];


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


   IndicatorBuffers(1);
   SetIndexBuffer(0,_Value);  
   SetIndexStyle(0,DRAW_LINE);  
   return(0); 

   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- 
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int counted_bars=IndicatorCounted();
   int shift,limit;
   double diff,d,dPrev, 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;

   for (shift=limit;shift>=0;shift--)   {
      //d=iMomentum(NULL,0,momPrd,PRICE_CLOSE,shift);
      d=LinearRegressionValue(bolPrd,shift);
      dPrev=LinearRegressionValue(bolPrd,shift+1);
      if(d>0) {
         if ((dPrev>0) && (dPrev > d)){ upB2[shift]=d; upB[shift] = 0; } else { upB[shift]= d; upB2[shift] = 0; }
         //upB[shift]=0;
         loB[shift]=0;
         loB2[shift]=0;
      } else {
         if ((dPrev<0) && (dPrev < d)){ loB2[shift]=d; loB[shift] = 0; } else { loB[shift]= d; loB2[shift] = 0; }
         upB[shift]=0;
         upB2[shift]=0;
         //loB[shift]=d;
      }
		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;
         _Value[shift] = -1;
      } else {
         loK[shift]=0;
         upK[shift]=EMPTY_VALUE;
         _Value[shift] = 1; 
      }
            
   }
   return(0);
  }
//+------------------------------------------------------------------+


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;
  double LinearRegValue = Intercept+Slope * (Len - 1);

  return (LinearRegValue);

}





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


Indicator Curves created:


Implements a curve of type DRAW_LINE

Indicators Used:

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


Custom Indicators Used:

Order Management characteristics:

Other Features: