/*-----------------------------+
| |
| Shared by www.Aptrafx.com |
| |
+------------------------------*/
//+------------------------------------------------------------------+
//| OsMA.mq4 |
//| Copyright © 2004, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
//---- indicator settings
#property indicator_separate_window
#property indicator_buffers 1
#property indicator_color1 Silver
//---- indicator parameters
extern int FastEMA=12;
extern int SlowEMA=26;
extern int SignalSMA=9;
//---- indicator buffers
double ind_buffer1[];
double ind_buffer2[];
double ind_buffer3[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- 2 additional buffers are used for counting.
IndicatorBuffers(3);
//---- drawing settings
SetIndexStyle(0,DRAW_HISTOGRAM,STYLE_SOLID,3);
SetIndexDrawBegin(0,SignalSMA);
IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+2);
//---- 3 indicator buffers mapping
if(!SetIndexBuffer(0,ind_buffer1) &&
!SetIndexBuffer(1,ind_buffer2) &&
!SetIndexBuffer(2,ind_buffer3))
Print("cannot set indicator buffers!");
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("OsMA_5_bar_rolling ("+FastEMA+","+SlowEMA+","+SignalSMA+")");
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
//| Moving Average of Oscillator |
//+------------------------------------------------------------------+
int start()
{
int limit;
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;
//---- macd counted in the 1-st additional buffer
for(int i=0; i<limit; i++)
{
//------Get close prices 5-bar groups (i.e. close of every 5th bar going back from the bar the indicator is currently working on)
double ClosePricesArray[];
ArrayResize(ClosePricesArray,Bars-i);
ClosePricesArray[0] = Close[i];
int cnt=1;
for(int CurrBar=i+5; CurrBar<=Bars-i-1; CurrBar=CurrBar+5)
{
ClosePricesArray[cnt]=Close[CurrBar];
cnt++;
}
ArrayResize(ClosePricesArray,cnt);
//------Calculate the first of two EMAs the MACD is based on
double ExtMapBuffer[];
ArrayResize(ExtMapBuffer,cnt);
double pr=2.0/(FastEMA+1);
int pos=cnt-2;
while(pos>=0)
{
if(pos==cnt-2) ExtMapBuffer[pos+1]=ClosePricesArray[pos+1];
ExtMapBuffer[pos]=ClosePricesArray[pos]*pr+ExtMapBuffer[pos+1]*(1-pr);
pos--;
}
//------Calculate the second of two EMAs the MACD is based on
double ExtMapBuffer2[];
ArrayResize(ExtMapBuffer2,cnt);
pr=2.0/(SlowEMA+1);
pos=cnt-2;
while(pos>=0)
{
if(pos==cnt-2) ExtMapBuffer2[pos+1]=ClosePricesArray[pos+1];
ExtMapBuffer2[pos]=ClosePricesArray[pos]*pr+ExtMapBuffer2[pos+1]*(1-pr);
pos--;
}
//------Calculate the MACD main line, which is the difference of the two MACD EMAs
double ExtMapBuffer3[];
ArrayResize(ExtMapBuffer3,cnt);
for(int cnt2=0; cnt2<cnt; cnt2++)
{
ExtMapBuffer3[cnt2]=ExtMapBuffer[cnt2]-ExtMapBuffer2[cnt2];
}
//------Calculate the MACD signal line value for the current bar, which is SMA9 of the MACD main line
double MACDsignalline=0;
for (cnt2=0;cnt2<SignalSMA;cnt2++)
{
MACDsignalline=MACDsignalline+ExtMapBuffer3[cnt2];
}
MACDsignalline=MACDsignalline/SignalSMA;
//Assign the indicator value as the difference between the MACD main and signal lines (OSMA)
ind_buffer1[i]=ExtMapBuffer3[0]-MACDsignalline;
}
//---- done
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_HISTOGRAM
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: