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指标 bbsqueeze



bbsqueeze 指标在副图绘制柱状。

bbsqueeze 指标图表效果:bbsqueeze 指标bbsqueeze 指标源码:

//+------------------------------------------------------------------+
//|                                                    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 4
#property indicator_color1 Lime
#property indicator_color2 Red
#property indicator_color3 Magenta
#property indicator_color4 Aqua
//---- 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 loB[];
double upK[];
double loK[];

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);
   SetIndexBuffer(0,upB);
   SetIndexEmptyValue(0,EMPTY_VALUE);
   SetIndexStyle(1,DRAW_HISTOGRAM);
   SetIndexBuffer(1,loB);
   SetIndexEmptyValue(1,EMPTY_VALUE);

   SetIndexStyle(2,DRAW_ARROW);
   SetIndexBuffer(2,upK);
   SetIndexEmptyValue(2,EMPTY_VALUE);
   SetIndexArrow(2,159);
   SetIndexStyle(3,DRAW_ARROW);
   SetIndexBuffer(3,loK);
   SetIndexEmptyValue(3,EMPTY_VALUE);
   SetIndexArrow(3,159);
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- 
  Comment("www.125808047.com");  
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start()
  {
   int counted_bars=IndicatorCounted();
   int shift;
   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;

   for (shift=limit;shift>=0;shift--)   {
      //d=iMomentum(NULL,0,momPrd,PRICE_CLOSE,shift);
      d=LinearRegressionValue(bolPrd,shift);
      if(d>0) {
         upB[shift]=d;
         loB[shift]=0;
      } else {
         upB[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;
      } else {
         loK[shift]=0;
         upK[shift]=EMPTY_VALUE;
      }
   }
   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;
  //debugPrintln(Intercept+" : "+Slope);
  double LinearRegValue = Intercept+Slope * (Len - 1);

  return (LinearRegValue);

}

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