【SOURCE FILE】BullsBearsPower.mq5

【解説】【MQL5 community】 Bulls Bears Power (ブルズ ベアーズ パワー): Bulls Power と Bears Power を合わせたもの. 上昇・下落相場の強さを表したのもです。 Bear:熊(→弱気)、Bull:牛(→強気)


【計算法】

BEARS = LOW - EMA(指数移動平均),

BULLS = HIGH - EMA(指数移動平均)

であるが, ここでは足し合わせたものを使用する.

BB =HIGH+LOW-2*EMA(指数移動平均)

【シグナル】

BBがプラスであれば、上昇傾向、マイナスであれば、下落傾向を示す。

---

//+------------------------------------------------------------------+
//|                                                   BullsBears.mq5 |
//|                        Copyright 2010, MetaQuotes Software Corp. |
//|                                              http://www.mql5.com |
//|                                                   vasbsm@mail.ru |
//+------------------------------------------------------------------+
#property copyright   "2009, MetaQuotes Software Corp."
#property link        "http://www.mql5.com"
#property description "Bulls Bears Power"
//--- indicator settings ---
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_plots   1
#property indicator_type1   DRAW_HISTOGRAM
#property indicator_color1  CornflowerBlue
#property indicator_width1  2
//--- input parameters ---
input int InpPeriod=13; // Period
input ENUM_MA_METHOD TypeMA=MODE_EMA;           // Smoothing method
input ENUM_APPLIED_PRICE TypePrice=PRICE_CLOSE; // Applied price
//--- Buffers
double    ExtBBBuffer[];
double    ExtTempBuffer[];
//--- MA handle
int       ExtEmaHandle;
//--- initialization function
void OnInit()
  {
//--- define buffers
   SetIndexBuffer(0,ExtBBBuffer,INDICATOR_DATA);
   SetIndexBuffer(1,ExtTempBuffer,INDICATOR_CALCULATIONS);
//--- set buffer accuracy
   IndicatorSetInteger(INDICATOR_DIGITS,_Digits+1);
//--- set draw begin
   PlotIndexSetInteger(0,PLOT_DRAW_BEGIN,InpPeriod-1);
//--- set indicator name
   IndicatorSetString(INDICATOR_SHORTNAME,"Bulls Bears Power("+(string)InpPeriod+")");
//--- average 
   ExtEmaHandle=iMA(NULL,0,InpPeriod,0,TypeMA,TypePrice);
  }
//--- Custom indicator iteration function
int OnCalculate(const int rates_total,
                const int prev_calculated,
                const datetime &Time[],
                const double &Open[],
                const double &High[],
                const double &Low[],
                const double &Close[],
                const long &TickVolume[],
                const long &Volume[],
                const int &Spread[])
  {
   int i,limit;

   if(rates_total＜InpPeriod) return(0); // insufficient bars for calculation

   int calculated=BarsCalculated(ExtEmaHandle);

   if(calculated＜rates_total)
     {
      Print("The last calculated bar is ",calculated,". Error.",GetLastError());
      return(0);
     }

   int to_copy;
   if(prev_calculated>rates_total || prev_calculated＜0) to_copy=rates_total;
   else
     {
      to_copy=rates_total-prev_calculated;
      if(prev_calculated>0) to_copy++;
     }

   if(CopyBuffer(ExtEmaHandle,0,0,to_copy,ExtTempBuffer)＜=0)
     {
      Print("Error in call of CopyBuffer",GetLastError());
      return(0);
     }

   if(prev_calculated＜InpPeriod)limit=InpPeriod;
   else limit=prev_calculated-1;

//--- Calculation of the indicator
   for(i=limit;i＜rates_total;i++)
     {
      ExtBBBuffer[i]=High[i]+Low[i]-2*ExtTempBuffer[i];
     }
   return(rates_total);
  }
//+------------------------------------------------------------------+



【表示結果】















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