//+------------------------------------------------------------------+
//| DS_Stochastic.mq4 |
//| Copyright © 2006, MetaQuotes Software Corp. |
//| http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
//----
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
//---- input parameters
extern int qPeriod = 13;
extern int rPeriod = 32;
extern int EMAfast = 5;
extern int CountBars = 300;
//---- buffers
double ExtMapBuffer1[];
double ExtMapBuffer2[];
//----
double krPeriod, kEMAfast;
double mtm, mtmInt, mtmIntPrev, mtm1, mtmInt1, mtmIntPrev1, DS_EMA;
double DS_EMAtopPrev, DS_EMAtop, DS_EMAbottomPrev, DS_EMAbottom, DS;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
//---- indicator lines
SetIndexStyle(0, DRAW_LINE);
SetIndexBuffer(0, ExtMapBuffer1);
SetIndexStyle(1, DRAW_LINE);
SetIndexBuffer(1, ExtMapBuffer2);
//----
IndicatorShortName("DS_Stoch (" + qPeriod + "," + rPeriod + "," + EMAfast + ")");
SetIndexLabel(0, "DS_Stoch");
SetIndexLabel(1, "Signal");
//----
krPeriod = 2 / (rPeriod + 1.0);
kEMAfast = 2 / (EMAfast + 1.0);
//----
return(0);
}
//+------------------------------------------------------------------+
//| DS |
//+------------------------------------------------------------------+
int start()
{
int shift;
mtmIntPrev = 0.0;
mtmIntPrev1 = 0.0;
DS_EMAtopPrev = 0.0;
DS_EMAbottomPrev = 0.0;
if(Bars < CountBars + qPeriod)
return(0);
for(shift = CountBars; shift >= 0; shift--)
{
mtm = Close[shift] - Low[Lowest(NULL, 0, MODE_LOW, qPeriod, shift)];
if(mtm == 0)
mtm = Point;
mtm1 = High[Highest(NULL, 0, MODE_HIGH, qPeriod, shift)] -
Low[Lowest(NULL, 0, MODE_LOW, qPeriod, shift)];
if(mtm1 == 0)
mtm1 = Point;
mtmInt = mtmIntPrev + krPeriod*(mtm - mtmIntPrev);
mtmInt1 = mtmIntPrev1 + krPeriod*(mtm1 - mtmIntPrev1);
DS_EMAtop = DS_EMAtopPrev + kEMAfast*(mtmInt - DS_EMAtopPrev);
DS_EMAbottom = DS_EMAbottomPrev + kEMAfast*(mtmInt1 - DS_EMAbottomPrev);
if(!CompareDouble(mtmInt1, 0.0))
DS = 100*mtmInt / mtmInt1;
if(!CompareDouble(DS_EMAbottom, 0.0))
DS_EMA = 100*DS_EMAtop / DS_EMAbottom;
ExtMapBuffer1[shift] = DS;
ExtMapBuffer2[shift] = DS_EMA;
mtmIntPrev = mtmInt;
mtmIntPrev1 = mtmInt1;
DS_EMAtopPrev = DS_EMAtop;
DS_EMAbottomPrev = DS_EMAbottom;
}
//----
return(0);
}
//+------------------------------------------------------------------+
//| Ôóíêöèÿ ñðàíåíèÿ äâóõ âåùåñòâåííûõ ÷èñåë. |
//+------------------------------------------------------------------+
bool CompareDouble (double Number1, double Number2)
{
bool Compare = NormalizeDouble(Number1 - Number2, 8) == 0;
return(Compare);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: