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Gann Trend Chart 1 for Amibroker (AFL)
walid
over 9 years ago
Amibroker (AFL)

Rating:
3 / 5 (Votes 7)
Tags:
amibroker, gann

enjoy the Gann Trend Chart 1

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Indicator / Formula

Copy & Paste Friendly
GraphXSpace = 5;
_SECTION_BEGIN( "Gann Trend" );
Us = BarsSince(Sum(H>Ref(H,-1),2)==2);
Ds = BarsSince(Sum(L<Ref(L,-1),2)==2);
Hc = HighestSince(Us==0,H,1);
Lc = LowestSince(Ds==0,L,1);
Sd1 = IIf(Us==0,IIf((L!=Lc) AND (Ref(L,-1)!=Lc),1,0),IIf(Ds==0,IIf((H!=HC) AND (Ref(H,-1)!=Hc),-1,0),0));
Sd2 = IIf(Sd1==1, IIf(Ref(BarsSince(Sd1==1),-1) >Ref(BarsSince(Sd1==-1),-1),1,0), IIf(Sd1==-1,IIf(Ref(BarsSince(Sd1==1),-1) < Ref(BarsSince(Sd1==-1),-1),-1,0),0));
TD1 = ValueWhen(Sd2!=0,Sd2,1);



//{Gann-Trend 4/27/99}
Sd =  TD1 ;
//{Swing Change High}
Sch = IIf(Sd==1 AND Ref(sd,-1)==-1,1,0);
//{Swing Change Low}
Scl = IIf(Sd==-1 AND Ref(Sd,-1)==1,1,0);
//{Peak Value}
Pv = IIf(Scl==1,HighestSince(Sch==1,H,1),0);
//{Trough Value}
Tv = IIf(Sch==1,LowestSince(Scl==1,L,1),0);
//{Trend Direction}
Td = IIf(H>ValueWhen(Pv>0,Pv,1),1,IIf(L<ValueWhen(Tv>0,Tv,1),-1,0));
//{UpTrend=1 DownTrend =-1}
Tdv=ValueWhen(Td!=0,Td,1);

Plot( 1, "", IIf(tdv == 1,colorDarkGreen, IIf(tdv < 1, colorDarkRed, 0)), styleOwnScale|styleArea|styleNoLabel, -0.1, 50 );
_SECTION_END();

_SECTION_BEGIN( "Gann HiLo" );
Lb = Param("Look-Back Periods?",3,2,10,1);
HLd = IIf(Close>Ref(MA(H,Lb),-1),1,IIf(Close<Ref(MA(L,Lb),-1),-1,0));
HLv = ValueWhen(HLd!=0,HLd,1);
HiLo = IIf(HLv==-1,MA(H,Lb),MA(L,Lb));
Plot(HiLo, "Gann HiLo", colorRed);

a = C > HiLo;
b = C < HiLo;

Buy = tdv == 1;
Sell = tdv < 1;

PlotShapes( IIf(Buy, shapeSmallCircle,0) , colorLime,0,L,-10);
PlotShapes( IIf(Sell, shapeSmallCircle,0) , colorOrange,0,H,10);
_SECTION_END();

_SECTION_BEGIN("Gann Swing chart v4 ");
/* Gann Swing chart v4 */
/* Last modified 24 Feb 2001 */
/* AFL implementation by */
/* (C)2001 Tomasz Janeczko */
/* one and two - bar reversal version */

/* Change this to 1 for two-bar mode */
twobarmode = 0;

outsidebar = Outside();
insidebar = H <= Ref( H, -1 ) AND L >= Ref( L, -1 ); // built-in inside() works with < > instead of <= >=

upbar = H > Ref( H, -1 ) AND L >= Ref( L, -1 );
downbar = L < Ref( L, -1 ) AND H <= Ref( H, -1 );

upbar2 = upbar OR ( outsidebar AND Ref( downbar, 1 ) ) ;
downbar2 = downbar OR ( outsidebar AND Ref( upbar, 1 ) );

Poi = outsidebar AND Ref( insidebar, 1 );
Poo = outsidebar AND Ref( outsidebar, 1 );
Pooi = Poo AND Ref( insidebar, 2 );
Poio = Poi AND Ref( outsidebar, 2 );
Poii = Poi AND Ref( insidebar, 2 );
Pooo = Poo AND Ref( outsidebar, 2 );
Poooi = Pooo AND Ref( insidebar, 3 );
Pooio = Pooi AND Ref( outsidebar, 3 );
Poioo = Poio AND Ref( outsidebar, 3 );

upbar3 = upbar2 OR ( Poi AND Ref( downbar, 2 ) );
downbar3 = downbar2 OR ( Poi AND Ref( upbar, 2 ) );

upbar4 = upbar3 OR ( Poo AND Ref( upbar, 2 ) );
downbar4 = downbar3 OR ( Poo AND Ref( downbar, 2 ) );

upbar5 = upbar4 OR ( Pooi AND Ref( upbar, 3 ) );
downbar5 = downbar4 OR ( Pooi AND Ref( downbar, 3 ) );

upbar6 = upbar5 OR ( Poio AND Ref( upbar, 3 ) );
downbar6 = downbar5 OR ( Poio AND Ref( downbar, 3 ) );

upbar7 = upbar6 OR ( Poii AND Ref( downbar, 3 ) );
downbar7 = downbar6 OR ( Poii AND Ref( upbar, 3 ) );

upbar8 = upbar7 OR ( Pooo AND Ref( downbar, 3 ) );
downbar8 = downbar7 OR ( Pooo AND Ref( upbar, 3 ) );

upbar9 = upbar8 OR ( Poooi AND Ref( downbar, 4 ) );
downbar9 = downbar8 OR (Poooi AND Ref( upbar, 4 ) );

upbar10 = upbar9 OR ( Pooio AND Ref( downbar, 4 ) );
downbar10 = downbar9 OR ( Pooio AND Ref( upbar, 4 ) );

upbar11 = upbar10 OR ( Poioo AND Ref( downbar, 4 ) );
downbar11 = downbar10 OR ( Poioo AND Ref( upbar, 4 ) );

fupbar = upbar11;
fdownbar = downbar11;

// Two-bar mode handling
fupbar = IIf( twobarmode, fupbar AND Ref( fupbar, 1 ), fupbar );
fdownbar = IIf( twobarmode, fdownbar AND Ref( fdownbar, 1 ), fdownbar );

/* Barcount since most recent up and down swings */
Us = BarsSince( fupbar ); 
Ds = BarsSince( fdownbar ) ;

Sd1 =IIf( Us==0, 1, IIf( Ds==0, -1, 0) );

Sd2 = IIf( Sd1 == 1, IIf( Ref( BarsSince(Sd1==1), -1) > Ref( BarsSince( Sd1 == -1), -1), 1, 0), 
IIf( Sd1 == -1, IIf( Ref( BarsSince(Sd1==1),-1) < Ref( BarsSince( Sd1 == -1),-1), -1, 0), 0 ) ); 

g0 = ValueWhen( Sd2, Sd2 ); /* sample and hold non-zero values */

/* shift back one bar, add one dummy swing at the end and shift forward */
/* to ensure proper handling of the last swing */
lastbar = Cum(1) == LastValue( Cum(1) );
swinglevel = IIf( g0 == -1, HighestSince( Sd2 == 1, H ), LowestSince( Sd2 == -1, L ) );
swinglevel = IIf( lastbar, IIf( g0 == -1, LowestSince( Sd2 == -1, L ), HighestSince( Sd2 == 1, H )), Ref( swinglevel, 1 ) );

/* Gann Swing chart drawn here */
gsc = Ref( ValueWhen( Ref( Sd2 != 0, 1 ) OR lastbar, swinglevel , 0 ), -1 );

Plot( gsc, "", colorBlue, 512+1024);
_SECTION_END();

_SECTION_BEGIN( "Price" );
SetChartOptions( 0, chartShowDates | chartShowArrows | chartLogarithmic | chartWrapTitle );
_N( Title = StrFormat( "{{NAME}} - " + SectorID( 1 ) + " - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) Vol " + WriteVal( V, 1.0 ) + " {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 ) ) ) );
Plot( C, "Close", colorRose, styleCandle | styleNoTitle | ParamStyle( "Style" ) | GetPriceStyle() );

if ( ParamToggle( "Tooltip shows", "All Values|Only Prices" ) )
{
    ToolTip = StrFormat( "Open: %g\nHigh:  %g\nLow:   %g\nClose:  %g (%.1f%%)\nVolume: " + NumToStr( V, 1 ), O, H, L, C, SelectedValue( ROC( C, 1 ) ) );
}
Plot(MA(C,50), "MA(50)", colorGreen, styleThick);
Plot(MA(C,200), "MA(200)", colorRed, styleThick);
_SECTION_END();

1 comments

1. y2k_netizen

Works well for plotting trend change…Thanks for sharing

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