Download Advanced Trendlines For Amibroker (AFL)

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5 / 5 (Votes 2)

amibroker, trendlines

This indicator plots trendlines with channels to make informed trading decisions.It is clean and simple.

Submitted by kaiji about 15 years ago

Submitted by dogma about 15 years ago

Submitted by asdaf1 about 15 years ago

Submitted by cyberman almost 15 years ago

Submitted by udayit over 14 years ago

Submitted by kaiji about 15 years ago

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_SECTION_BEGIN("Advanced Trend Lines");
function GetXSupport(Lo, Percentage, Back)
{
 return ((BarCount - 1) - LastValue(TroughBars(Lo, Percentage,Back)));
}
function GetYSupport(Lo, Percentage, Back)
{
 return (LastValue(Trough(Lo, Percentage, back)));
}
 
function GetXResistance(Hi, Percentage, Back)
{
 return ((BarCount - 1) -LastValue(PeakBars(Hi, Percentage, Back)));
}
function GetYResistance(Hi, Percentage, Back)
{
 return (LastValue(Peak(Hi, Percentage, Back)));
}
function TD_Supply(P)
{
    return ( P > Ref(P, 1) AND P > Ref(P, -1) AND P > Ref(C, -2));
}
function TD_Demand(P)
{
    return ( P < Ref(P, 1) AND P < Ref(P, -1) AND P < Ref(C, -2));
}
////////////////////////////////////////////////////////////////////////
//Parameters
Percentage  = Param("Percentage", 1.5, 0.01, 100. ,0.01);
DrawAllLines    = ParamToggle("Draw All Lines?", "No|Yes");
Lines           = Param("Lines?", 1, 1, BarCount-2);
DrawR           = ParamList("Resistance Points", "Off|High to High|High to Low", 1);
DrawS           = ParamList("Support Points", "Off|Low to Low|Low to High", 1);
ShowTDP         = ParamToggle("Show TD Pionts", "No|Yes", 1);
AllOrDownR  = ParamToggle("Resistance Direction", "All|Down");
AllOrUpS        = ParamToggle("Support Direction", "All|Up");
ShowSR          = ParamToggle("Show Vert S/R","No|Yes", 1);
SRPer           = Param("S/R Percentage", 3, 1);
SRBack          = Param("S/R Back", 5, 1);
str = "";
Res = Sup = 0;
Con = 1;
////////////////////////////////////////////////////////////////////////
Main = C;
Con = ConS = ConR = 1;
if(DrawS=="Low to Low")
{
    Support1 = L;
    Support2 = L;
}
else
{
    Support1 = L;
    Support2 = H;
}
if(DrawR=="High to High")
{
    Resistance1 = H;
    Resistance2 = H;
}
else
{
    Resistance1 = H;
    Resistance2 = L;
}
////////////////////////////////////////////////////////////////////////
//Plotting Area
Plot(Main, "", IIf(C>O,colorGreen, colorRed), styleBar);
if(DrawAllLines)
for(i = 2; i<=Lines+1; i++)
{
    if(DrawS!="Off")
    {
        x0 = GetXSupport(Support1, Percentage, i);
        x1 = GetXSupport(Support2, Percentage, i-1);
        y0 = GetYSupport(Support1, Percentage, i);
        y1 = GetYSupport(Support2, Percentage, i-1);
        x = LineArray(x0, y0, x1, y1, 1);
        if(AllOrUpS) ConS = StrToNum(NumToStr(y0 < y1));
        if(Con AND ConS)
            Plot(x, "", IIf(LastValue(C) < LastValue(x), colorBlue,colorLightBlue), styleLine|styleThick);
    }
    if(DrawR!="Off")
    {
        x0 = GetXResistance(Resistance1, Percentage, i);
        x1 = GetXResistance(Resistance2, Percentage, i-1);
        y0 = GetYResistance(Resistance1, Percentage, i);
        y1 = GetYResistance(Resistance2, Percentage, i-1);
        x = LineArray(x0, y0, x1, y1, 1);
        if(AllOrDownR) ConR = y0 > y1;
        if(Con AND ConR)
            Plot(x, "",  IIf(LastValue(C) < LastValue(x), colorBlue,colorLightBlue), styleLine|styleThick);
    }
}
else
{
    if(DrawS!="Off")
    {
        x0 = GetXSupport(Support1, Percentage, Lines+1);
        x1 = GetXSupport(Support2, Percentage, Lines);
        y0 = GetYSupport(Support1, Percentage, Lines+1);
        y1 = GetYSupport(Support2, Percentage, Lines);
        x = LineArray(x0, y0, x1, y1, 1 );
        Sup = LastValue(LinRegSlope(x, Lines+1));
        if(AllOrUpS) ConS = y0 < y1;
        if(Con AND ConS)
            Plot(x, "", IIf(LastValue(C) < LastValue(x), colorBlue,colorLightBlue), styleLine|styleThick);
    }
    if(DrawR!="Off")
    {
        x0 = GetXResistance(Resistance1, Percentage, Lines+1);
        x1 = GetXResistance(Resistance2, Percentage, Lines);
        y0 = GetYResistance(Resistance1, Percentage, Lines+1);
        y1 = GetYResistance(Resistance2, Percentage, Lines);
        x = LineArray(x0, y0, x1, y1, 1 );
        Res = LastValue(LinRegSlope(x, Lines+1));
        if(AllOrDownR) ConR = y0 > y1;
        if(Con AND ConR)
            Plot(x, "",  IIf(LastValue(C) < LastValue(x), colorBlue,colorLightBlue), styleLine|styleThick);
    }
str = "\nR Slope=("+Res+"), S Slope=("+Sup+")";
}
 
if(ShowTDP)
{
    PlotShapes(TD_Supply(H)*shapeSmallCircle, colorRed, 0, H, H*.001);
    PlotShapes(TD_Demand(L)*shapeSmallCircle, colorGreen, 0, L, -L*.001);
}
if(ShowSR)
{
    for(i=1; i<=SRBack; i++)
    {
        x0 = GetXSupport(L, SRPer, i);
        x1 = BarCount-1;
        y0 = GetYSupport(L, SRPer, i);
        x = LineArray(x0, y0, x1, y0, 0);
        Plot(x, "", IIf(LastValue(C) > x, colorDarkGreen, colorDarkRed), styleLine|styleDashed|styleThick);
        x0 = GetXResistance(H, SRPer, i);
        y0 = GetYResistance(H, SRPer, i);
        x = LineArray(x0, y0, x1, y0, 0);
        Plot(x, "", IIf(LastValue(C) > x, colorDarkGreen, colorDarkRed), styleLine|styleDashed|styleThick);
 
    }
}
Title =FullName()+" ({{NAME}})\n{{DATE}}\n"+"Open: "+O+", Hi: "+H+", Lo: "+L+", Close: "+C+StrFormat(" (%.2f  %.2f\%)", C-Ref(C, -1), SelectedValue(ROC(C, 1)))+str;
 
_SECTION_END();
 
_SECTION_BEGIN("lin Reg with channel");
//  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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Advanced Trendlines for Amibroker (AFL)
rajankamboj
about 15 years ago
Amibroker (AFL)

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Stock Portfolio Organizer

WiseTrader Toolbox

Advanced Trendlines for Amibroker (AFL) rajankamboj about 15 years ago Amibroker (AFL)

Similar Indicators / Formulas

Indicator / Formula

0 comments

Leave Comment

Advanced Trendlines for Amibroker (AFL)
rajankamboj
about 15 years ago
Amibroker (AFL)