//+------------------------------------------------------------------+
//| HistoBands.mq4 |
//| Copyright © 2006, MetaQuotes Software Corp. |
//| http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2006, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net"
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 DodgerBlue
#property indicator_color2 Red
double WBP[];
extern int ShortPeriod=5;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicators
IndicatorBuffers(3);
SetIndexStyle(0,DRAW_HISTOGRAM,0,2);
SetIndexBuffer(0,ExtMapBuffer1);
SetIndexStyle(1,DRAW_HISTOGRAM,0,2);
SetIndexBuffer(1,ExtMapBuffer2);
SetIndexBuffer(2, WBP);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
//----
//----
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int i,k,counted_bars=IndicatorCounted();
double HH,LL,WBPma,Stdev,Bands;
if(Bars<=32) return(0);
//---- last counted bar will be recounted
int limit=Bars-counted_bars;
if(counted_bars>0) limit++;
for(i=0; i<limit-1; i++)
{
HH=High[Highest(NULL,0,MODE_HIGH,ShortPeriod,i)];
LL=Low[Lowest(NULL,0,MODE_LOW,ShortPeriod,i)];
WBP[i]=(HH+LL+Close[i])/3;
}
for(i=0; i<limit; i++)
{
WBPma=iMAOnArray(WBP,Bars,34,0,MODE_SMA,i);
Stdev=iStdDevOnArray(WBP,Bars,34,MODE_SMA,0,i);
Bands=((WBP[i]+2*Stdev-WBPma)/(4*Stdev))*4-2;
ExtMapBuffer1[i]=0;
ExtMapBuffer2[i]=0;
if (Bands>0){ExtMapBuffer1[i]=Bands;}
if (Bands<0){ExtMapBuffer2[i]=Bands;}
}
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 close prices for each bar
Indicator Curves created:
Implements a curve of type DRAW_HISTOGRAM
Indicators Used:
Moving average indicator
Standard Deviation indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: