//+------------------------------------------------------------------+
//| MACD_DEMA.mq4 |
//| Copyright © 2007, Robert Hill |
//| Standard MACD modified to use DEMA instead of EMA |
//| |
//| Based on the formula developed by Patrick Mulloy |
//| |
//| It can be used in place of EMA or to smooth other indicators. |
//| |
//| DEMA = 2 * EMA - EMA of EMA |
//| |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
//---- indicator settings
#property indicator_separate_window
#property indicator_buffers 4
#property indicator_color1 Aqua
#property indicator_color2 Red
#property indicator_color3 Green
#property indicator_color4 Red
//---- indicator parameters
extern int FastEMA=12;
extern int SlowEMA=26;
extern int SignalSMA=9;
//---- indicator buffers
double MACD_buffer[];
double Signal_buffer[];
double HistogramBufferUp[];
double HistogramBufferDown[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- drawing settings
IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+1);
SetIndexStyle(0,DRAW_LINE,STYLE_SOLID);
SetIndexBuffer(0,MACD_buffer);
SetIndexDrawBegin(0,SlowEMA);
SetIndexStyle(1,DRAW_LINE,STYLE_DOT);
SetIndexBuffer(1,Signal_buffer);
SetIndexDrawBegin(1,SignalSMA);
SetIndexStyle(2,DRAW_HISTOGRAM,STYLE_SOLID);
SetIndexBuffer(2,HistogramBufferUp);
SetIndexStyle(3,DRAW_HISTOGRAM,STYLE_SOLID);
SetIndexBuffer(3,HistogramBufferDown);
IndicatorDigits(MarketInfo(Symbol(),MODE_DIGITS)+1);
//---- name for DataWindow and indicator subwindow label
IndicatorShortName("MACD_DEMA("+FastEMA+","+SlowEMA+","+SignalSMA+")");
SetIndexLabel(0,"MACD");
SetIndexLabel(1,"Signal");
SetIndexLabel(2,"Histogram");
//---- initialization done
return(0);
}
//+------------------------------------------------------------------+
//| Moving Averages Convergence/Divergence |
//+------------------------------------------------------------------+
int start()
{
double temp;
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 buffer
for(int i=0; i<limit; i++)
MACD_buffer[i]=iCustom(NULL, 0, "DEMA_RLH2", FastEMA, 2, i)- iCustom(NULL, 0, "DEMA_RLH2", SlowEMA, 2, i);
//---- signal line counted in the 2-nd buffer
for(i=0; i<limit; i++)
Signal_buffer[i]=iMAOnArray(MACD_buffer,Bars,SignalSMA,0,MODE_EMA,i);
//---- done
for(i=0; i<limit; i++)
{
HistogramBufferUp[i] = 0;
HistogramBufferDown[i] = 0;
temp = MACD_buffer[i] - Signal_buffer[i];
if (temp >= 0)
HistogramBufferUp[i] = temp;
else
HistogramBufferDown[i] = temp;
}
return(0);
}
Sample
Analysis
Market Information Used:
Indicator Curves created:
Implements a curve of type DRAW_LINE
Implements a curve of type DRAW_HISTOGRAM
Indicators Used:
Moving average indicator
Custom Indicators Used:
DEMA_RLH2
Order Management characteristics:
Other Features: