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Automatic Support and Resistance with Channel for Amibroker (AFL)
kaiji
almost 15 years ago
Amibroker (AFL)

Rating:
3 / 5 (Votes 9)
Tags:
amibroker, support, resistance

Support and resistance levels using RSI.

  • 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

Credit goes to Graham Kavanagh

Screenshots

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Indicator / Formula

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_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();

1 comments

1. drkade

Excellent!
I love it!! This helps a lot.

See
Support Resistance

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