2MA Crossover





//+------------------------------------------------------------------+
//|                                  2MA Crossover.mq4 modified from |
//|                                         EMA-Crossover_Signal.mq4 |
//|         Copyright © 2005-07, Jason Robinson (jnrtrading)         |
//|                   http://www.jnrtading.co.uk                     |
//+------------------------------------------------------------------+

/*
  +------------------------------------------------------------------+
  | Allows you to enter two ema periods and it will then show you at |
  | Which point they crossed over. It is more usful on the shorter   |
  | periods that get obscured by the bars / candlesticks and when    |
  | the zoom level is out. Also allows you then to remove the emas   |
  | from the chart. (emas are initially set at 5 and 6)              |
  +------------------------------------------------------------------+
*/   
#property copyright "Copyright © 2005-07, Jason Robinson (jnrtrading)"
#property link      "http://www.jnrtrading.co.uk"

#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 DodgerBlue
#property indicator_width1 3
#property indicator_color2 Magenta
#property indicator_width2 3

extern string note1 = "First Moving Average";
extern int MA1 =   4;
extern string note2 = "0=sma, 1=ema, 2=smma, 3=lwma";
extern int MA1Mode = 1; //0=sma, 1=ema, 2=smma, 3=lwma
extern string note3 = "--------------------------------------------";
extern string note4 = "Second Moving Average";
extern int MA2 =   8;
extern string note5 = "0=sma, 1=ema, 2=smma, 3=lwma";
extern int MA2Mode = 1; //0=sma, 1=ema, 2=smma, 3=lwma
extern string note6 = "--------------------------------------------";
extern string note7 = "Arrow Type";
extern string note8 = "0=Thick, 1=Thin, 2=Hollow, 3=Round";
extern string note9 = "4=Fractal, 5=Diagonal Thin";
extern string note10 = "6=Diagonal Thick, 7=Diagonal Hollow";
extern string note11 = "8=Thumb, 9=Finger";
extern int ArrowType=2;
extern string note12 = "--------------------------------------------";
extern string note13 = "turn on Alert = true; turn off = false";
extern bool AlertOn = true;
extern string note14 = "--------------------------------------------";
extern string note15 = "send Email Alert = true; turn off = false";
extern bool SendAnEmail=false;

double CrossUp[];
double CrossDown[];
string AlertPrefix, MA1short_name, MA2short_name;
string GetTimeFrameStr() {
   switch(Period())
   {
      case 1 : string TimeFrameStr="M1"; break;
      case 5 : TimeFrameStr="M5"; break;
      case 15 : TimeFrameStr="M15"; break;
      case 30 : TimeFrameStr="M30"; break;
      case 60 : TimeFrameStr="H1"; break;
      case 240 : TimeFrameStr="H4"; break;
      case 1440 : TimeFrameStr="D1"; break;
      case 10080 : TimeFrameStr="W1"; break;
      case 43200 : TimeFrameStr="MN1"; break;
      default : TimeFrameStr=Period();
   } 
   return (TimeFrameStr);
   }

//+------------------------------------------------------------------+
//| Custom indicator initialization function                         |
//+------------------------------------------------------------------+
int init()
  {
//---- indicators
   if (ArrowType == 0) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 233);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 234);
   }
   else if (ArrowType == 1) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 225);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 226);
   }
   else if (ArrowType == 2) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 241);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 242);
   }
   else if (ArrowType == 3) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 221);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 222);
   }
   else if (ArrowType == 4) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 217);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 218);
   }
   else if (ArrowType == 5) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 228);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 230);
   }
   else if (ArrowType == 6) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 236);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 238);
   }
   else if (ArrowType == 7) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 246);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 248);
   }
   else if (ArrowType == 8) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 67);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 68);
   }
   else if (ArrowType == 9) {
      SetIndexStyle(0,DRAW_ARROW);
      SetIndexArrow(0, 71);
      SetIndexStyle(1,DRAW_ARROW);
      SetIndexArrow(1, 72);
   }

   SetIndexBuffer(0, CrossUp);
   SetIndexBuffer(1, CrossDown);

//---- indicator short name
   switch(MA1Mode)
     {
      case 1 : MA1short_name="EMA";  break;
      case 2 : MA1short_name="SMMA"; break;
      case 3 : MA1short_name="LWMA"; break;
      default :
         MA1Mode=0;
         MA1short_name="SMA";
     }
   switch(MA2Mode)
     {
      case 1 : MA2short_name="EMA";  break;
      case 2 : MA2short_name="SMMA"; break;
      case 3 : MA2short_name="LWMA"; break;
      default :
         MA2Mode=0;
         MA2short_name="SMA";
     }

   AlertPrefix=Symbol()+" ("+GetTimeFrameStr()+"):  ";
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function                       |
//+------------------------------------------------------------------+
int deinit()
  {
//---- 

//----
   return(0);
  }
//+------------------------------------------------------------------+
bool NewBar()
{
   static datetime lastbar;
   datetime curbar = Time[0];
   if(lastbar!=curbar)
   {
      lastbar=curbar;
      return (true);
   }
   else
   {
      return(false);
   }
}   
//+------------------------------------------------------------------+
//| Custom indicator iteration function                              |
//+------------------------------------------------------------------+
int start() {
   int limit, i, counter;
   double MA1now, MA2now, MA1previous, MA2previous, MA1after, MA2after;
   double Range, AvgRange;
   int counted_bars=IndicatorCounted();
//---- check for possible errors
   if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
   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;
       
      MA1now = iMA(NULL, 0, MA1, 0, MA1Mode, PRICE_CLOSE, i);
      MA1previous = iMA(NULL, 0, MA1, 0, MA1Mode, PRICE_CLOSE, i+1);
      MA1after = iMA(NULL, 0, MA1, 0, MA1Mode, PRICE_CLOSE, i-1);

      MA2now = iMA(NULL, 0, MA2, 0, MA2Mode, PRICE_CLOSE, i);
      MA2previous = iMA(NULL, 0, MA2, 0, MA2Mode, PRICE_CLOSE, i+1);
      MA2after = iMA(NULL, 0, MA2, 0, MA2Mode, PRICE_CLOSE, i-1);
      
      if ((MA1now > MA2now) && (MA1previous < MA2previous) && (MA1after > MA2after)) {
                   CrossUp[i] = Low[i] - Range*1.5;
                   if (AlertOn && NewBar()) {
                      Alert(AlertPrefix+MA1short_name+" ("+MA1+") "+"crosses UP " + MA2short_name+" ("+MA2+")");
                   }   
              	    if (SendAnEmail && NewBar()) {
                      SendMail(AlertPrefix,MA1short_name+" ("+MA1+") "+"crosses UP " + MA2short_name+" ("+MA2+")");
              	    }
      }
      else if ((MA1now < MA2now) && (MA1previous > MA2previous) && (MA1after < MA2after)) {
                   CrossDown[i] = High[i] + Range*1.5;
                   if (AlertOn && NewBar()) {
                      Alert(AlertPrefix+MA1short_name+" ("+MA1+") "+"crosses DOWN " + MA2short_name+" ("+MA2+")");
                   }   
              	    if (SendAnEmail && NewBar()) {
                      SendMail(AlertPrefix,MA1short_name+" ("+MA1+") "+"crosses DOWN " + MA2short_name+" ("+MA2+")");
              	    }
      }
   }
   return(0);
}





Sample





Analysis



Market Information Used:

Series array that contains open time of 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_ARROW


Indicators Used:

Moving average indicator


Custom Indicators Used:

Order Management characteristics:

Other Features:

It issuies visual alerts to the screen
It sends emails