Medium Term Trading Line Chart - Amibroker AFL Code

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_SECTION_BEGIN("MA Crossover Unicolor");

Plot(EMA(Close,10),"10-EMA",colorYellow,1);
Plot(EMA(Close,40),"40-EMA",colorBlack,4);
Plot(EMA(Close,200),"200-EMA",colorBlue,styleLine);
Plot(MA(Close,200),"200-MA",colorGreen,styleLine);

r=EMA(C,10);
a=EMA(C,40);

Buy = Cross(r,a) ;
Sell = Cross(a,r)  ;

PlotShapes (IIf(Buy,shapeUpArrow,shapeNone),colorYellow,0,Graph0,-15);
PlotShapes (IIf(Sell,shapeDownArrow,shapeNone),colorCustom12,0,Graph0,-15);

_SECTION_END();

_SECTION_BEGIN("Price");
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{INTERVAL}} {{DATE}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 ) ) ));
Plot( C, "Close", IIf(r>a,colorGreen,IIf(a>=r,colorRed,colorBlack)), styleBar | styleThick ); 
_SECTION_END();