//+------------------------------------------------------------------+
//| BB_PRC.mq4 |
//| Kalenzo |
//| bartlomiej.gorski@gmail.com |
//+------------------------------------------------------------------+
#property copyright "Kalenzo"
#property link "bartlomiej.gorski@gmail.com"
#property indicator_color1 Red
#property indicator_color2 Gold
#property indicator_buffers 2
double bol[];
double ma[];
extern int bPer=20,bDev=2,maPer=50,maMeth=MODE_EMA;
extern bool useAlerts = true;
extern int alertBar = 1;
extern int alertSleep = 1800;//in seconds
int lastAlert;
#property indicator_separate_window
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
SetIndexBuffer(0,bol);
SetIndexStyle(0,DRAW_LINE,EMPTY,2);
SetIndexBuffer(1,ma);
SetIndexStyle(1,DRAW_LINE,EMPTY,1);
IndicatorShortName("BB PRC RANGE v1");
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int limit;
int counted_bars=IndicatorCounted();
if(counted_bars<0) counted_bars=0;
if(counted_bars>0) counted_bars--;
limit=Bars-counted_bars-bPer;
for(int i=0; i<=limit;i++)
{
double bandL = iBands(Symbol(),0,bPer,bDev,0,PRICE_CLOSE,MODE_MINUSDI,i);
double bandH = iBands(Symbol(),0,bPer,bDev,0,PRICE_CLOSE,MODE_PLUSDI,i);
bol[i] = ((Close[i]-bandL)/(bandH-bandL));
if((Close[i]-bandL)==0 || (bandH-bandL)==0)
Print(i," ",(Close[i]-bandL)," ",(bandH-bandL));
}
for(int j=0; j<=limit;j++)
{
ma[j] = iMAOnArray(bol,0,maPer,0,maMeth,j);
}
if(useAlerts)
{
if( ma[alertBar] >= bol[alertBar] && CurTime()>lastAlert && (bol[2+alertBar] >= bol[1+alertBar]) && (bol[1+alertBar] < bol[alertBar]))
{
Alert("BB PRC MADE LOW");
lastAlert = CurTime()+alertSleep;
}
if( ma[alertBar] <= bol[alertBar] && CurTime()>lastAlert && (bol[2+alertBar] <= bol[1+alertBar]) && (bol[1+alertBar] > bol[alertBar]))
{
Alert("BB PRC MADE HIGH");
lastAlert = CurTime()+alertSleep;
}
if( CurTime()>lastAlert && bol[alertBar+1] >= ma[alertBar+1] && bol[alertBar] < ma[alertBar])
{
Alert("BB PRC CROSSED MA FOR SELL");
lastAlert = CurTime()+alertSleep;
}
if( CurTime()>lastAlert && bol[alertBar+1] <= ma[alertBar+1] && bol[alertBar] > ma[alertBar])
{
Alert("BB PRC CROSSED MA FOR BUY");
lastAlert = CurTime()+alertSleep;
}
}
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Bollinger bands indicator
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features:
It issuies visual alerts to the screen