//+------------------------------------------------------------------+
//| i-BandsPrice.mq4 |
//| Copyright © 2008, Talex |
//| tan@gazinter.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2008, Talex"
#property link "tan@gazinter.net"
#property indicator_separate_window
#property indicator_buffers 1
#property indicator_color1 Yellow
#property indicator_level1 0
#property indicator_level2 0.25
#property indicator_level3 0.5
#property indicator_level4 0.75
#property indicator_level5 1
extern int BandsPeriod=20;
extern int BandsShift=0;
extern double BandsDeviations=2.0;
extern int Slow=5;
double BPBuffer[],Buffer[];
//+------------------------------------------------------------------+
//| Custom indicator initialization function |
//+------------------------------------------------------------------+
void init() {
IndicatorBuffers(2);
IndicatorShortName("i-BandsPrice ("+BandsPeriod+", "+DoubleToStr(BandsDeviations,1)+", "+Slow+")");
SetIndexStyle(0,DRAW_LINE);
SetIndexBuffer(0,Buffer);
SetIndexBuffer(1,BPBuffer);
return;
}
//+------------------------------------------------------------------+
//| Custom indicator deinitialization function |
//+------------------------------------------------------------------+
void deinit() {
return;
}
//+------------------------------------------------------------------+
//| Custom indicator iteration function |
//+------------------------------------------------------------------+
void start() {
int i,j,limit,cbars;
double sum,oldval,newres,deviation,upband,dwband;
cbars=IndicatorCounted();
if(Bars<=BandsPeriod) return;
if(cbars<0) return;
if(cbars>0) limit=Bars-cbars-1;
else limit=Bars-BandsPeriod-1;
for(i=0;i<=limit;i++) {
sum=0.0;
oldval=iMA(NULL,0,BandsPeriod,BandsShift,MODE_SMA,PRICE_CLOSE,i);
for(j=0;j<BandsPeriod;j++) {
newres=Close[i+j]-oldval;
sum+=newres*newres;
}
deviation=BandsDeviations*MathSqrt(sum/BandsPeriod);
upband=oldval+deviation;
dwband=oldval-deviation;
if((upband-dwband)!=0)
BPBuffer[i]=(Close[i]-dwband)/(upband-dwband);
}
for(i=0;i<=limit;i++) {
Buffer[i]=iMAOnArray(BPBuffer,0,Slow,0,0,i);
}
return;
}
//+------------------------------------------------------------------+
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:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: