[MT4指标]EMA的5和8交叉预警
EMA_58_Crossover_Alert
//compile//
//+------------------------------------------------------------------+
//| EMA_58_Crossover_Alert.mq4 |
//| Copyright 2006, Robert Hill |
//| |
//| Written Robert Hill for use with AIME for the EMA 5/8 cross to |
//| draw arrows and popup alert or send email |
//+------------------------------------------------------------------+
#property copyright \"Copyright 2006, Robert Hill\"
#property indicator_chart_window
#property indicator_buffers 5
#property indicator_color1 LawnGreen
#property indicator_color2 Red
#property indicator_color3 Red
#property indicator_color4 Aqua
#property indicator_color5 Yellow
#property indicator_width1 2
#property indicator_width2 2
#property indicator_width3 2
#property indicator_width4 2
#property indicator_width5 2
extern bool SoundON=true;
extern bool EmailON=false;
double CrossUp;
double CrossDown;
double Ema5;
double Ema8;
double Ema20;
int flagval1 = 0;
int flagval2 = 0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
SetIndexStyle(0, DRAW_ARROW, EMPTY);
SetIndexArrow(0, 233);
SetIndexBuffer(0, CrossUp);
SetIndexStyle(1, DRAW_ARROW, EMPTY);
SetIndexArrow(1, 234);
SetIndexBuffer(1, CrossDown);
SetIndexStyle(2, DRAW_LINE, STYLE_SOLID);
SetIndexBuffer(2, Ema5);
SetIndexStyle(3, DRAW_LINE, STYLE_SOLID);
SetIndexBuffer(3, Ema8);
SetIndexStyle(4, DRAW_LINE, STYLE_SOLID);
SetIndexBuffer(4, Ema20);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start() {
int limit, i, counter;
double tmp=0;
double fastMAnow, slowMAnow, fastMAprevious, slowMAprevious;
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 = 1; 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;
fastMAnow = iMA(NULL, 0, 5, -1, MODE_EMA, PRICE_CLOSE, i);
fastMAprevious = iMA(NULL, 0, 5, -1, MODE_EMA, PRICE_CLOSE, i+1);
slowMAnow = iMA(NULL, 0, 8, 0, MODE_EMA, PRICE_OPEN, i);
slowMAprevious = iMA(NULL, 0, 8, 0, MODE_EMA, PRICE_OPEN, i+1);
Ema20 = iMA(NULL, 0, 20, 0, MODE_EMA, PRICE_CLOSE, i);
Ema5 = fastMAnow;
Ema8 = slowMAnow;
CrossUp = 0;
CrossDown = 0;
if ((fastMAnow > slowMAnow) && (fastMAprevious < slowMAprevious))
{
if (i == 1 && flagval1==0)
{
flagval1=1;
flagval2=0;
if (SoundON) Alert(\"BUY signal at Ask=\",Ask,\"\\n Bid=\",Bid,\"\\n Time=\",TimeToStr(CurTime(),TIME_DATE),\" \",TimeHour(CurTime()),\":\",TimeMinute(CurTime()),\"\\n Symbol=\",Symbol(),\" Period=\",Period());
if (EmailON) SendMail(\"BUY signal alert\",\"BUY signal at Ask=\"+DoubleToStr(Ask,4)+\", Bid=\"+DoubleToStr(Bid,4)+\", Date=\"+TimeToStr(CurTime(),TIME_DATE)+\" \"+TimeHour(CurTime())+\":\"+TimeMinute(CurTime())+\" Symbol=\"+Symbol()+\" Period=\"+Period());
}
CrossUp = Low - Range*0.75;
}
else if ((fastMAnow < slowMAnow) && (fastMAprevious > slowMAprevious))
{
if (i == 1 && flagval2==0)
{
flagval2=1;
flagval1=0;
if (SoundON) Alert(\"SELL signal at Ask=\",Ask,\"\\n Bid=\",Bid,\"\\n Date=\",TimeToStr(CurTime(),TIME_DATE),\" \",TimeHour(CurTime()),\":\",TimeMinute(CurTime()),\"\\n Symbol=\",Symbol(),\" Period=\",Period());
if (EmailON) SendMail(\"SELL signal alert\",\"SELL signal at Ask=\"+DoubleToStr(Ask,4)+\", Bid=\"+DoubleToStr(Bid,4)+\", Date=\"+TimeToStr(CurTime(),TIME_DATE)+\" \"+TimeHour(CurTime())+\":\"+TimeMinute(CurTime())+\" Symbol=\"+Symbol()+\" Period=\"+Period());
}
CrossDown = High + Range*0.75;
}
}
return(0);
}
发表于:2018-07-11 13:40只看该作者
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