//+------------------------------------------------------------------+
//| Stochastic.mq4 |
//| Copyright © 2004, MetaQuotes Software Corp. |
//| http://www.metaquotes.net/ |
//| modified: Moving Average of Stoch added |
//| by: Bh Jul 2006 |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2004, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
#property indicator_separate_window
#property indicator_minimum 0
#property indicator_maximum 100
#property indicator_buffers 3
#property indicator_color1 Gold
#property indicator_color2 MediumTurquoise
#property indicator_color3 Red
//---- input parameters
extern int KPeriod=10;
extern int DPeriod=5;
extern int Slowing=5;
extern int MA_Period=13;
extern int MA_method=1;
//---- buffers
double MainBuffer[];
double SignalBuffer[];
double HighesBuffer[];
double LowesBuffer[];
double MABuffer[];
//----
int draw_begin1=0;
int draw_begin2=0;
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
string short_name;
//---- 2 additional buffers are used for counting.
IndicatorBuffers(5);
SetIndexBuffer(3, HighesBuffer);
SetIndexBuffer(4, LowesBuffer);
//---- indicator lines
SetIndexStyle(1,DRAW_LINE,STYLE_SOLID, 2);
SetIndexBuffer(1, MainBuffer); //Main Stoch
SetIndexStyle(2,DRAW_LINE, STYLE_DOT, 1);
SetIndexBuffer(2, SignalBuffer); //Signal Stoch
SetIndexStyle(0,DRAW_LINE, STYLE_SOLID, 2);
SetIndexBuffer(0, MABuffer); //MA
//---- name for DataWindow and indicator subwindow label
short_name="StoMAch: MA("+MA_Period+") Stoch("+KPeriod+","+DPeriod+","+Slowing+")" ;
IndicatorShortName(short_name);
SetIndexLabel(0,short_name);
SetIndexLabel(1,short_name);
SetIndexLabel(2,"Signal");
//----
draw_begin1=KPeriod+Slowing;
draw_begin2=draw_begin1+DPeriod;
SetIndexDrawBegin(0,0);
SetIndexDrawBegin(1,draw_begin1);
SetIndexDrawBegin(2,draw_begin2);
//----
return(0);
}
//+------------------------------------------------------------------+
//| Stochastic oscillator |
//+------------------------------------------------------------------+
int start()
{
int i,k;
int counted_bars=IndicatorCounted();
double price;
//----
if(Bars<=draw_begin2) return(0);
//---- initial zero
if(counted_bars<1)
{
for(i=1;i<=draw_begin1;i++) MainBuffer[Bars-i]=0;
for(i=1;i<=draw_begin2;i++) SignalBuffer[Bars-i]=0;
}
//---- minimums counting
i=Bars-KPeriod;
if(counted_bars>KPeriod) i=Bars-counted_bars-1;
while(i>=0)
{
double min=1000000;
k=i+KPeriod-1;
while(k>=i)
{
price=Low[k];
if(min>price) min=price;
k--;
}
LowesBuffer[i]=min;
i--;
}
//---- maximums counting
i=Bars-KPeriod;
if(counted_bars>KPeriod) i=Bars-counted_bars-1;
while(i>=0)
{
double max=-1000000;
k=i+KPeriod-1;
while(k>=i)
{
price=High[k];
if(max<price) max=price;
k--;
}
HighesBuffer[i]=max;
i--;
}
//---- %K line
i=Bars-draw_begin1;
if(counted_bars>draw_begin1) i=Bars-counted_bars-1;
while(i>=0)
{
double sumlow=0.0;
double sumhigh=0.0;
for(k=(i+Slowing-1);k>=i;k--)
{
sumlow+=Close[k]-LowesBuffer[k];
sumhigh+=HighesBuffer[k]-LowesBuffer[k];
}
if(sumhigh==0.0) MainBuffer[i]=100.0;
else MainBuffer[i]=sumlow/sumhigh*100;
i--;
}
//---- last counted bar will be recounted
if(counted_bars>0) counted_bars--;
int limit=Bars-counted_bars;
//---- signal line is simple movimg average
for(i=0; i<limit; i++)
{
SignalBuffer[i]=iMAOnArray(MainBuffer,Bars,DPeriod,0,MODE_SMA,i);
MABuffer[i]=iMAOnArray(MainBuffer,Bars,MA_Period,0,MA_method,i);
}
//----
return(0);
}
//+------------------------------------------------------------------+
Sample
Analysis
Market Information Used:
Series array that contains the lowest prices of each bar
Series array that contains the highest prices of each bar
Series array that contains close prices for each bar
Indicator Curves created:
Implements a curve of type DRAW_LINE
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: