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三均线交叉信号 EMA_5_10_34_Signal.mq4

EMA_5_10_34_Signal 指标以箭头提示三条均线的交叉信号。

图表:EMA_5_10_34_Signal 指标

源码:

//+------------------------------------------------------------------+
//|                                           EMA_5_10_34_Signal.mq4 |
//|                     Copyright @2005, Jason Robinson (jnrtrading) |
//+------------------------------------------------------------------+
#property copyright "Copyright @2005, Jason Robinson (jnrtrading)"
#property link      "http://www.125808047.com/"

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
#property indicator_width1 2
#property indicator_width2 2

double CrossUp[];
double CrossDown[];
extern int FasterMA = 5;
extern int FasterMode  =    1; 
extern int MediumMA = 10;
extern int MediumMode  =    1; 
extern int SlowerMA = 34;
extern int SlowerMode  =    1;

double Range, AvgRange;
double fasterMAnow, fasterMAprevious;
double mediumMAnow, mediumMAprevious;
double slowerMAnow, slowerMAprevious;
//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int OnInit(void)
{
   SetIndexStyle(0, DRAW_ARROW, EMPTY,2);
   SetIndexArrow(0, 233);
   SetIndexBuffer(0, CrossUp);
   SetIndexEmptyValue(0,0.0);
   SetIndexStyle(1, DRAW_ARROW, EMPTY,2);
   SetIndexArrow(1, 234);
   SetIndexBuffer(1, CrossDown);
   SetIndexEmptyValue(1,0.0);
    Comment("www.125808047.com");
    return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| 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 &tick_volume[],
                const long &volume[],
                const int &spread[])
  {
   int limit, i, counter;
   int counted_bars=IndicatorCounted();
   if(counted_bars<0) return(-1);
   if(counted_bars>0) counted_bars--;
   limit=Bars-counted_bars;
   for(i = 0; i <= limit; i++) {
      counter=i;
      Range=0;
      AvgRange=0;
      for (counter=i ;counter<=i+9;counter++)
      {
         AvgRange=AvgRange+MathAbs(High[counter]-Low[counter]);
      }
      Range=AvgRange/10;
       
      fasterMAnow = iMA(NULL, 0, FasterMA, 0, FasterMode, PRICE_CLOSE, i);
      fasterMAprevious = iMA(NULL, 0, FasterMA, 0, FasterMode, PRICE_CLOSE, i+1);

      mediumMAnow      = iMA(NULL, 0, MediumMA, 0, MediumMode, PRICE_CLOSE, i);
      mediumMAprevious = iMA(NULL, 0, MediumMA, 0, MediumMode, PRICE_CLOSE, i+1);

      slowerMAnow = iMA(NULL, 0, SlowerMA, 0, SlowerMode, PRICE_CLOSE, i);
      slowerMAprevious = iMA(NULL, 0, SlowerMA, 0, SlowerMode, PRICE_CLOSE, i+1);
      
      CrossUp[i] = 0.0;
      CrossDown[i] = 0.0;
      if ((fasterMAnow > slowerMAnow) && (mediumMAnow > slowerMAnow) && (mediumMAprevious < slowerMAprevious) ) {
         CrossUp[i] = Low[i] - Range*0.5;
      }
      else if ((fasterMAnow < slowerMAnow) && (mediumMAnow < slowerMAnow) && (mediumMAprevious > slowerMAprevious) ) {
         CrossDown[i] = High[i] + Range*0.5;
      }
   }
   return(rates_total);
}
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