//+------------------------------------------------------------------+
//| forecast osc.mq4 |
//| Copyright © 2005, Nick Bilak, beluck[AT]gmail.com |
//| http://metatrader.50webs.com/ |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, Nick Bilak"
#property link "http://metatrader.50webs.com/"
#property indicator_separate_window
#property indicator_buffers 2
#property indicator_level1 0
#property indicator_color1 SteelBlue
#property indicator_color2 Red
//---- input parameters
extern int Regress= 15;
extern int T3= 3;
extern double B= 0.7;
//---- buffers
double Osc[];
double Osct3[];
double HiSig[];
double LoSig[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
int init()
{
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,Osc);
SetIndexEmptyValue(0,0);
SetIndexStyle(1,DRAW_LINE);
SetIndexBuffer(1,Osct3);
return(0);
}
//+------------------------------------------------------------------+
//| Custor indicator deinitialization function |
//+------------------------------------------------------------------+
int deinit()
{
return(0);
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
int start()
{
int counted_bars= IndicatorCounted(),
limit;
if (counted_bars<0) return(-1);
if (counted_bars>0) counted_bars--;
limit= Bars - counted_bars;
ForecastOsc(0, limit, Osc, Osct3, Regress, T3, B);
return (0);
}
//+------------------------------------------------------------------+
//| Calc forecast buffers from lastbar down to offset |
//+------------------------------------------------------------------+
void ForecastOsc(int offset, int lastbar, double &osc[], double &osct3[], int regress, int t3, double b)
{
int shift, length, warmup= 30;
double b2=b*b,
b3=b2*b,
c1=-b3,
c2=(3*(b2+b3)),
c3=-3*(2*b2+b+b3),
c4=(1+3*b+b3+3*b2),
n = 1 + 0.5*(t3-1),
w1 = 2 / (n + 1),
w2 = 1 - w1,
wt,forecastosc,t3_fosc,sum,
e1,e2,e3,e4,e5,e6,tmp,tmp2;
lastbar= MathMin(Bars-warmup-regress, lastbar);
for (shift= lastbar+warmup; shift>=offset; shift--) {
length= regress;
sum = 0;
for (int i = length; i>0; i--) {
tmp = length+1;
tmp = tmp/3;
tmp2 = i;
tmp = tmp2 - tmp;
sum = sum + tmp*Close[shift+length-i];
}
tmp = length;
wt = sum*6/(tmp*(tmp+1));
forecastosc= (Close[shift]-wt)/wt*100;
e1 = w1*forecastosc + w2*e1;
e2 = w1*e1 + w2*e2;
e3 = w1*e2 + w2*e3;
e4 = w1*e3 + w2*e4;
e5 = w1*e4 + w2*e5;
e6 = w1*e5 + w2*e6;
t3_fosc = c1*e6 + c2*e5 + c3*e4 + c4*e3;
if (shift<=lastbar) { // don't put swing in cycle into the signal buffers
osc[shift] = forecastosc;
osct3[shift] = t3_fosc;
}
}
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_LINE
Indicators Used:
Custom Indicators Used:
Order Management characteristics:
Other Features: