Fast Stoch (cut and paste)
Fast Stoch (cut and paste)
See attachment or cut and past into MT4
//++
// Fast Stochastic.mq4 
// Copyright ? 2006, MetaQuotes Software Corp. 
//
You must be registered for see links

//++
#property copyright "Copyright ? 2006, MetaQuotes Software Corp."
#property link "http://www.metaquotes.net/"
#include <stdlib.mqh>
//
#property indicator_separate_window
#property indicator_minimum 0
#property indicator_maximum 100
#property indicator_level1 20
#property indicator_level2 80
#property indicator_buffers 2
#property indicator_color1 Blue
#property indicator_color2 Red
// input parameters
extern int KPeriod = 5;
extern int DPeriod = 3;
// buffers
double MainBuffer[];
double SignalBuffer[];
double HighesBuffer[];
double LowesBuffer[];
//
int draw_begin = 0;
//++
// Custom indicator initialization function 
//++
int init()
{
string short_name;
// 2 additional buffers are used for counting.
IndicatorBuffers(4);
SetIndexBuffer(2, HighesBuffer);
SetIndexBuffer(3, LowesBuffer);
// indicator lines
SetIndexStyle(0, DRAW_LINE);
SetIndexBuffer(0, MainBuffer);
SetIndexStyle(1, DRAW_LINE);
SetIndexBuffer(1, SignalBuffer);
// name for DataWindow and indicator subwindow label
short_name="FastStoch(" + KPeriod + "," + DPeriod + ")";
IndicatorShortName(short_name);
SetIndexLabel(0, short_name);
SetIndexLabel(1, "Signal");
//
draw_begin = KPeriod + DPeriod;
SetIndexDrawBegin(0, KPeriod);
SetIndexDrawBegin(1, draw_begin);
//
return(0);
}
//++
// Stochastic oscillator 
//++
int start()
{
int i, k;
int counted_bars = IndicatorCounted();
double price;
//
if(Bars <= draw_begin)
return(0);
// initial zero
if(counted_bars < 1)
{
for(i = 1; i <= KPeriod; i++)
MainBuffer[Barsi] = 0;
for(i = 1; i <= draw_begin; i++)
SignalBuffer[Barsi] = 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
= 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 = max;
i;
}
// %K line
i = Bars  KPeriod;
if(counted_bars > KPeriod)
i = Bars  counted_bars  1;
while(i >= 0)
{
if(!CompareDoubles((HighesBuffer  LowesBuffer), 0.0))
MainBuffer = 100*(Close  LowesBuffer) / (HighesBuffer  LowesBuffer);
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 = iMAOnArray(MainBuffer, Bars, DPeriod, 0, MODE_SMA, i);
//
return(0);
}
//++