Auto Channel Detector And Plotter

Channel trading is one of the most popular trading method now a days. But it is also very important to draw a correct trend line or channel. Highly Accurate Auto trendline Channel Plotter afl can helps you in this regard. This afl automatically detects the trendline points and connects them to form a accurate trendline or channel. An entry can be made after breaking channel support/resistance or at the pull back. This afl is ideal for intraday as well swing traders but it works great in case of swing trading with daily time frame.
Auto Channel Detector And Plotter
Auto Channel Detector And Plotter
//www.aflcode.com
_SECTION_BEGIN("Unnamed 7");
//Support and resistance levels using RSI.
//graham Kavanagh May 2003
//Load into Indicator Builder
//Sensitivity of the levels can be changed with the variables
//Can test different numbers live with the Param function ctrl-R with open pane
RSIperiod = 5; // Param("RSI p",3,14,30,1);
Percent   = 5; // Param("ZIG %",8,9,15,1);
EMAperiod  = 5; //Param("EMA p",4,5,10,1);
HHVperiod  = 5; //Param("HHV p",3,5,10,1);
NumLine   = 1; //Param("Num Lines",3,1,20,1);

Base = DEMA(RSI(RSIperiod),EMAperiod);

GraphXSpace=0.5;
Plot(C,"",colorBlack,styleCandle);

for( i = 1; i <= numline; i++ )
{
ResBase = LastValue(Peak(Base,Percent,i));
SupBase = LastValue(Trough(Base,Percent,i));
Plot(ValueWhen( ResBase==Base, HHV(H,HHVperiod) ), "Resist Level", colorRed, styleLine);
Plot(ValueWhen( supbase==Base, LLV(L,HHVperiod) ), "Support Level", colorGreen, styleLine);
}
Title = Name() + "; " + Date() + ": Support & Resistance Levels using RSI: " + /*EncodeColor(colorGreen)+ "Support Levels are Green; "+EncodeColor(colorRed)+ "Resistance Levels are Red: "+EncodeColor(colorBlack)+*/ "Num lines ="+WriteVal(numline,1) ; 
//  Linear Regression Line with 2 Standard Deviation Channels Plotted Above and Below 
//  Written by Patrick Hargus, with critical hints from Marcin Gorzynski, Amibroker.com Technical Support 
//      Designed for use with AB 4.63 beta and above, using drag and drop feature.  
//  Permits plotting a linear regression line of any price field available on the chart for a period determined by the user.  
//     2 Channels, based on a standard deviation each determined by the user, are plotted above and below the linear regression line. 
//   A look back feature is also provided for examining how the indicator would have appeared on a chart X periods in the past.    


P = ParamField("Price field",-1);
Daysback = Param("Period for Liner Regression Line",21,1,240,1);
shift = Param("Look back period",0,0,240,1); 


//  =============================== Math Formula =============================================================

x = Cum(1);
lastx = LastValue( x ) - shift; 
aa = LastValue( Ref(LinRegIntercept( p, Daysback), -shift) ); 
bb = LastValue( Ref(LinRegSlope( p, Daysback ), -shift) ); 
y = Aa + bb * ( x - (Lastx - DaysBack +1 ) ); 


// ==================Plot the Linear Regression Line ==========================================================


LRColor = ParamColor("LR Color", colorCycle ); 
LRStyle = ParamStyle("LR Style");

LRLine =  IIf( x > (lastx - Daysback) AND BarIndex() < Lastx, y, Null );
Plot( LRLine , "LinReg", LRCOLOR, LRSTYLE ); //  styleDots ); 

// ==========================  Plot 1st SD Channel ===============================================================

SDP = Param("Standard Deviation", 1.5, 0, 6, 0.1);
SD = SDP/2;

width = LastValue( Ref(SD*StDev(p, Daysback),-shift) );   // THIS IS WHERE THE WIDTH OF THE CHANELS IS SET  
SDU = IIf( x > (lastx - Daysback) AND BarIndex() < Lastx, y+width , Null ) ;
SDL = IIf( x > (lastx - Daysback) AND BarIndex() < Lastx, y-width , Null ) ;

SDColor = ParamColor("SD Color", colorCycle ); 
SDStyle = ParamStyle("SD Style");

Plot( SDU , "Upper Lin Reg", SDColor,SDStyle ); 
Plot( SDL , "Lower Lin Reg", SDColor,SDStyle ); 

//  ==========================  Plot 2d SD Channel ===============================================================

SDP2 = Param("2d Standard Deviation", 2.0, 0, 6, 0.1);
SD2 = SDP2/2;

width2 = LastValue( Ref(SD2*StDev(p, Daysback),-shift) );   // THIS IS WHERE THE WIDTH OF THE CHANELS IS SET  
SDU2 = IIf( x > (lastx - Daysback) AND BarIndex() < Lastx, y+width2 , Null ) ;
SDL2 = IIf( x > (lastx - Daysback) AND BarIndex() < Lastx, y-width2 , Null ) ;

SDColor2 = ParamColor("2 SD Color", colorCycle ); 
SDStyle2 = ParamStyle("2 SD Style");

Plot( SDU2 , "Upper Lin Reg", SDColor2,SDStyle2 ); 
Plot( SDL2 , "Lower Lin Reg", SDColor2,SDStyle2 ); 

// ============================ End Indicator Code ==============================================================

_SECTION_END();
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