//+------------------------------------------------------------------+
//| | VQ.mq4 |
//| Volatility Quality |
//| by raff1410@o2.pl |
//+------------------------------------------------------------------+
#property indicator_chart_window
#property indicator_buffers 2
#property indicator_color1 Green
#property indicator_color2 Red
#property indicator_width1 2
#property indicator_width2 2
extern int Length = 5;
extern int Method = 3;
extern int Smoothing = 1;
extern int Filter = 5;
extern bool Steady = false;
double VQ[];
double SumVQ[];
double DIR[];
double UpBuffer[];
double DnBuffer[];
//+------------------------------------------------------------------+
int init()
{
IndicatorBuffers(5);
SetIndexStyle(0,DRAW_HISTOGRAM);
SetIndexBuffer(0,UpBuffer);
SetIndexStyle(1,DRAW_HISTOGRAM);
SetIndexBuffer(1,DnBuffer);
SetIndexBuffer(2,SumVQ);
SetIndexBuffer(3,VQ);
SetIndexBuffer(4,DIR);
if (Length < 2) Length = 2;
if (Method < 0) Method = 0;
if (Method > 3) Method = 3;
if (Smoothing < 0) Smoothing = 0;
if (Filter < 0) Filter = 0;
string short_name = "VQ | "+ Length + " , " +
Method + " , " + Smoothing + " , " + Filter + " | ";
IndicatorShortName(short_name);
SetIndexEmptyValue(0, 0.0);
SetIndexEmptyValue(1, 0.0);
SetIndexEmptyValue(2, 0.0);
SetIndexEmptyValue(3, 0.0);
return(0);
}
//+------------------------------------------------------------------+
int start()
{
double MH = 0, ML = 0, MO = 0, MC = 0, MC1 = 0;
int i, j, limit, counted_bars=IndicatorCounted();
//---- check for possible errors
if(counted_bars<0) return(-1);
//---- last counted bar will be recounted
if(counted_bars>0) counted_bars--;
//----
if(counted_bars<1) i=Bars-Length-1;
else i=Bars-counted_bars;
if(counted_bars<1)
{
j=Bars-Length-1;
SumVQ[j + 1] = Close[j + 1];
}
while (i >= 0)
{
MH = iMA(NULL,0,Length,0,Method,PRICE_HIGH,i);
ML = iMA(NULL,0,Length,0,Method,PRICE_LOW,i);
MO = iMA(NULL,0,Length,0,Method,PRICE_OPEN,i);
MC = iMA(NULL,0,Length,0,Method,PRICE_CLOSE,i);
MC1 = iMA(NULL,0,Length,0,Method,PRICE_CLOSE,i+Smoothing);
if (Steady==true)
{
MC=iMA(NULL,0,Length,0,Method,PRICE_MEDIAN,i);
MC1=iMA(NULL,0,Length,0,Method,PRICE_MEDIAN,i+Smoothing);
}
if((MH - ML)>0) VQ[i] = MathAbs(((MC - MC1) / MathMax(MH - ML, MathMax(MH - MC1, MC1 - ML)) + (MC - MO) / (MH - ML)) * 0.5) * ((MC - MC1 + (MC - MO)) * 0.5);
SumVQ[i] = SumVQ[i + 1] + VQ[i];
if (Filter > 0) if (MathAbs(SumVQ[i] - SumVQ[i + 1]) < Filter * Point) SumVQ[i] = SumVQ[i + 1];
i--;
}
if(counted_bars<1) limit=Bars-Length-1;
else limit=Bars-counted_bars;
for (i = limit-1; i >= 0; i--)
{
if (SumVQ[i] > SumVQ[i+1]) DIR[i] = 1;
if (SumVQ[i] < SumVQ[i+1]) DIR[i] = -1;
if (SumVQ[i]== SumVQ[i+1]) DIR[i] = DIR[i + 1];
if (DIR[i] > 0)
{
UpBuffer[i] = High[i];
DnBuffer[i] = Low[i];
}
else
if (DIR[i] < 0)
{
DnBuffer[i] = High[i];
UpBuffer[i] = Low[i];
}
}
return(0);
}
Sample
Analysis
Market Information Used:
Series array that contains close prices for each bar
Series array that contains the highest prices of each bar
Series array that contains the lowest prices of each bar
Indicator Curves created:
Implements a curve of type DRAW_HISTOGRAM
Indicators Used:
Moving average indicator
Custom Indicators Used:
Order Management characteristics:
Other Features: