//+------------------------------------------------------------------+
//| SMA-Crossover_Signal.mq4 |
//| |
//+------------------------------------------------------------------+
/*
+------------------------------------------------------------------+
| Allows you to enter two sma 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 smas |
| from the chart.
+------------------------------------------------------------------+
*/
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
double CrossUp[];
double CrossDown[];
extern int FasterSMA = 14;
extern int SlowerSMA = 34;
extern int SoundAlert = 1; // 0 = disabled
extern int PopUpAlert = 1;
extern string BuySoundFile = "alert.wav";
extern string SellSoundFile = "alert2.wav";
extern int EmailAlert = 1;
double prevtime;
//+------------------------------------------------------------------+
//| 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);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start() {
int limit, i, counter;
double fasterSMAnow, slowerSMAnow, fasterSMAprevious, slowerSMAprevious, fasterSMAafter, slowerSMAafter;
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;
fasterSMAnow = iMA(NULL, 0, FasterSMA, 0, MODE_SMA, PRICE_CLOSE, i);
fasterSMAprevious = iMA(NULL, 0, FasterSMA, 0, MODE_SMA, PRICE_CLOSE, i+1);
fasterSMAafter = iMA(NULL, 0, FasterSMA, 0, MODE_SMA, PRICE_CLOSE, i-1);
slowerSMAnow = iMA(NULL, 0, SlowerSMA, 0, MODE_SMA, PRICE_OPEN, i);
slowerSMAprevious = iMA(NULL, 0, SlowerSMA, 0, MODE_SMA, PRICE_OPEN, i+1);
slowerSMAafter = iMA(NULL, 0, SlowerSMA, 0, MODE_SMA, PRICE_OPEN, i-1);
if ((fasterSMAnow > slowerSMAnow) && (fasterSMAprevious < slowerSMAprevious) && (fasterSMAafter > slowerSMAafter)) {
CrossUp[i] = Low[i] - Range*0.5;
}
else if ((fasterSMAnow < slowerSMAnow) && (fasterSMAprevious > slowerSMAprevious) && (fasterSMAafter < slowerSMAafter)) {
CrossDown[i] = High[i] + Range*0.5;
}
}
if ((CrossUp[0] > 2000) && (CrossDown[0] > 2000)) { prevtime = 0; }
if ((CrossUp[0] == Low[0] - Range*0.5) && (prevtime != Time[0]))
{
prevtime = Time[0];
if (SoundAlert != 0)PlaySound(BuySoundFile);
if (EmailAlert != 0) SendMail("BUY Alert for " + Symbol(), " 3 MA Cross Up @ Hour " + Hour() + " Minute " + Minute());
if (PopUpAlert != 0)Alert(Symbol()," 3 MA Cross Up @ Hour ",Hour()," Minute ",Minute());
}
if ((CrossDown[0] == High[0] + Range*0.5) && (prevtime != Time[0]))
{
prevtime = Time[0];
if (SoundAlert != 0)PlaySound(SellSoundFile);
if (EmailAlert != 0) SendMail("SELL Alert for " + Symbol(), " 3 MA Cross Down @ Hour " + Hour() + " Minute " + Minute());
if (PopUpAlert != 0)Alert(Symbol()," 3 MA Cross Down @ Hour ",Hour()," Minute ",Minute());
}
return(0);
}
Sample
Analysis
Market Information Used:
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Series array that contains open time 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 plays sound alerts
It sends emails
It issuies visual alerts to the screen