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Hi,
Please find two formulas to plot divergences you could adapt.
For a visual check between price and macd.
NB : Capital letters in a post means : to shout at sb
Best regards
// test divergence
// with linearray
// to draw a divergence line on price
// http://www.amibroker.com/guide/afl/afl_view.php?id=250
// adapted by reinsley
y2t=LastValue(Trough(L,0.5,2))-4;
//_TRACE("y2t = "+y2t);
y1t=LastValue(Trough(L,0.5,1))-4;
//_TRACE("y1t = "+y1t);
x2t=BarCount - 1 - LastValue(TroughBars(L,0.5,2));
//_TRACE("x2t = "+x2t);
x1t=BarCount - 1 - LastValue(TroughBars(L,0.5,1));
//_TRACE("x1t = "+x1t);
LineLo = LineArray( x2t, y2t, x1t, y1t, 0 );
// a = ( low2 - low1 ) / ( bars2 - bars1 )
pat = ( y2t - y1t ) / ( x2t - x1t );
//_TRACE("slope price trough = "+pat);
DivColorLo=IIf(pat>=0,27,32);
Plot(C, "Cl", colorBlack, styleCandle);
Plot( LineLo, "TLlo", DivColorLo,styleLine+styleDots+styleThick);
//_TRACE("BC = "+BarCount);
_SECTION_BEGIN("ZIG - Zig");
P = ParamField( "Price field" );
change = Param("% change",0.5,0.1,25,0.1);
Plot( Zig(P, change), _DEFAULT_NAME(), ParamColor( "Color", colorCycle
), ParamStyle("Style") );
_SECTION_END();
y2p=LastValue(Peak(H,0.5,2))+4;
//_TRACE("y2p = "+y2p);
y1p=LastValue(Peak(H,0.5,1))+4;
//_TRACE("y1p = "+y1p);
x2p=BarCount - 1 - LastValue(PeakBars(H,0.5,2));
//_TRACE("x2p = "+x2p);
x1p=BarCount - 1 - LastValue(PeakBars(H,0.5,1));
//_TRACE("x1p = "+x1p);
LineHi = LineArray( x2p, y2p, x1p, y1p, 0 );
// a = ( low2 - low1 ) / ( bars2 - bars1 ) // price a (slope) peak
pap = ( y2p - y1p ) / ( x2p - x1p );
//_TRACE("slope price = "+pap);
DivColorHi=IIf(pap>=0,27,32);
Plot( LineHi, "TLhi", DivColorHi,styleLine+styleDots);
---------------------------------------------------------
//MACD fast no cross 10 UT
//v 1.1
//to find the no cross signal
// adaptation by reinsley
/////////////////Plot Price//////////////////////
_N( Title = "MACD fast no cross 10 UT - " + StrFormat( "{{NAME}} -
{{INTERVAL}} {{DATE}} " ) );
/////////////////////////////////////////////////
r1 = Param( "Fast avg", 5, 2, 200, 1 );
r2 = Param( "Slow avg", 10, 2, 200, 1 );
r3 = Param( "Signal avg", 3, 2, 200, 1 );
ml = MACD( r1, r2 );
sl = Signal( r1, r2, r3 );
// color macd and signal
MACDcol = IIf( ml > sl, colorGreen, IIf( ml < sl, colorRed, colorGreen ) );
Sigcol = IIf( ml > sl, colorGreen, IIf( ml < sl, colorRed, colorGreen ) );
Plot( ml , StrFormat( _SECTION_NAME() + "(%g,%g)", r1, r2 ), MACDcol,
styleThick );//("MACD style")//| styleNoLabel
Plot( sl , "Signal" + _PARAM_VALUES(), Sigcol , styleDashed
);//ParamStyle( "Signal style" ) );//| styleNoLabel
Plot( mh = ml - sl, "MACD Histogram", ParamColor( "Histogram color",
colorBlack ), styleNoTitle | ParamStyle( "Histogram style",
styleHistogram | styleThick | styleNoLabel, maskHistogram ) );//|
styleNoLabel
_SECTION_BEGIN( "MACD" );
// color enveloppe histo bar
mcol = IIf( mh > Ref( mh, -1 ), IIf( mh > 0, 27, 43 ), IIf( mh > 0, 32,
32 ) );// 43 bright green
//mcol= IIf(mh>Ref(mh,-1),IIf(mh > 0,27,27),IIf(mh > 0,32,32));// 27
green : 32 red
lastbar0 = Ref( mh, 0 ) > Ref( mh, - 1 )AND mh >= 0 ;
lastbar1 = Ref( mh, - 1 ) < Ref( mh, - 2 )AND mh >= 0 ;
lastbar2 = Ref( mh, - 2 ) < Ref( mh, - 3 )AND mh >= 0 ;
lastbar3 = Ref( mh, - 3 ) < Ref( mh, - 4 )AND mh >= 0 ;
signocrossup = IIf( lastbar0 AND lastbar1 AND lastbar2 , 1, 0 );
//color no cross histo bar in white
barcolorup = IIf( signocrossup, 2, 1 );// 2 white
lastbardn0 = Ref( mh, 0 ) < Ref( mh, - 1 )AND mh <= 0 ;
lastbardn1 = Ref( mh, - 1 ) > Ref( mh, - 2 )AND mh <= 0 ;
lastbardn2 = Ref( mh, - 2 ) > Ref( mh, - 3 )AND mh <= 0 ;
lastbardn3 = Ref( mh, - 3 ) > Ref( mh, - 4 )AND mh <= 0 ;
signocrossdown = IIf( lastbardn0 AND lastbardn1 AND lastbardn2 , 1, 0 );
//color no cross histo bar in white
barcolordn = IIf( signocrossdown, 2, 1 );
//color histo bar zero line
//Color=IIf(mh > 0,colorGreen,colorDarkRed);
Color = IIf( mh > Ref( mh, -1 ), IIf( mh > 0, 27, 43 ), IIf( mh > 0, 32,
32 ) );
Graph2BarColor = IIf ( signocrossup, barcolorup, IIf( signocrossdown,
barcolordn, Color ) );
Plot( mh, "MACDHistogram", mcol, 6 | styleNoTitle | 4096 );//32768|
Plot( mh, "MACDHistogram", mcol, 5 | styleNoTitle | 4096 ); //32768|
GraphXSpace = 5;
m11 = MACD( r1, r2 );
percent = Param( "Zigpercnt", 2, 0.1, 5, 0.1 );
x22t = BarCount - 1 - LastValue( TroughBars( C, percent , 2 ) );
x11t = BarCount - 1 - LastValue( TroughBars( C, percent , 1 ) );
y22t = m11[x22t] - 2;
y11t = m11[x11t] - 2;
LineLow = LineArray( x22t, y22t, x11t, y11t, 0 );
// a = ( low2 - low1 ) / ( bars2 - bars1 )
at = ( y22t - y11t ) / ( x22t - x11t );
// color divergence line trough
DivColorTrou = IIf( at >= 0, 27, 32 );
Plot( LineLow, "TLlow", DivColorTrou, styleLine + styleDots );
x22p = BarCount - 1 - LastValue( PeakBars( C, percent , 2 ) );
x11p = BarCount - 1 - LastValue( PeakBars( C, percent , 1 ) );
y22p = m11[x22p] + 2;
y11p = m11[x11p] + 2;
LineHigh = LineArray( x22p, y22p, x11p, y11p, 0 );
// a = ( low2 - low1 ) / ( bars2 - bars1 )
ap = ( y22p - y11p ) / ( x22p - x11p );
// color divergence line peak
DivColorPeak = IIf( ap >= 0, 27, 32 );
Plot( LineHigh, "TLhigh", DivColorPeak, styleLine + styleDots );
_SECTION_END();
//SetChartBkGradientFill( ParamColor("BgTop",
colorLightYellow),ParamColor("BgBottom", colorDarkGrey));
//colorLightGrey//colorCustom10
------------------------------------
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