Buy & UP for Amibroker (AFL)

//PRICE
_SECTION_BEGIN("Price");
SetChartOptions(0,chartShowArrows|chartShowDates);
_N(Title = StrFormat("{{NAME}} - {{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", ParamColor("Color", colorBlack ), 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 )));
}
_SECTION_END();
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//TRENDING RIBBON
// Paste the code below to your price chart somewhere and green ribbon means both
// both MACD and ADX trending up so if the red ribbon shows up the MACD and the ADX 
// are both trending down.
_SECTION_BEGIN("trending ribbon");
uptrend= PDI()>MDI() AND MACD()>Signal() ;
downtrend= MDI()>PDI() AND Signal()>MACD() ;
Plot( 2, /* defines the height of the ribbon in percent of pane width */"",
IIf( uptrend AND EMA(C,50)>=Ref(EMA(C,50),-1), colorLime, IIf( downtrend OR EMA(C,50)<Ref(EMA(C,50),-1),
     colorRed, colorAqua )), /* choose color */
styleOwnScale|styleArea|styleNoLabel, -0.5, 100 );
_SECTION_END();
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//FORMULE
Cuptop1= C>BBandTop( C,20,1 ) ;
top1up= BBandTop( C,20,1 )>=Ref(BBandTop( C,20,1 ),-1) ;
top2up= BBandTop( C,20,2 )>=Ref(BBandTop( C,20,2 ),-1) ;
MACDup= MACD()>Signal() ;
Hist= MACD()-Signal() ;
Histup= Hist>Ref(Hist,-1) ;
stochup= StochK()>StochD() ;
stoch80= StochK()<80 ;
stoch50= StochK()<50 ;
MFIup= MFI()>EMA(MFI(),5) AND MFI()>20 ;
ma10up= MA(C,10)>=Ref(MA(C,10),-1) ;
ma20up= MA(C,20)>=Ref(MA(C,20),-1) ;
EMA50up= EMA(C,50)>=Ref(EMA(C,50),-1) ;
Cupma10= C>MA(C,10) ;
Cupma20= C>MA(C,20) ;
cupema50= C>EMA(C,50) ;
Vup50= V>50000 ;
CCIup0= CCI()>0 ;
Cupo= C>O ;
ADXup= ADX()>Ref(ADX(),-1) ;
ADX45= ADX()<45 ;
aa= O+H+L+C ;
UP= aa>Ref(aa,-1) ;
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mybuy= Cross(aa,Ref(aa,-1)) AND macdup AND Histup AND stochup AND vup50 AND MFIup AND ema50up AND ma20up OR
       Cross(MACD(),Signal()) AND UP AND Histup AND stochup AND vup50 AND MFIup AND ema50up AND ma20up OR
       Cross(PDI(),MDI()) AND UP AND macdup AND Histup AND stochup AND vup50 AND MFIup AND ema50up AND ma20up OR
       Cross(StochK(),StochD()) AND stoch50 AND UP AND macdup AND Histup AND vup50 AND MFIup AND ema50up AND ma20up ;
myshort= Cross(Ref(aa,-1),aa) AND !histup AND !stochup OR
         Cross(Signal(),MACD()) AND !UP AND !stochup ;

Buy = ExRem(myBuy, myShort);
Sell = ExRem(myShort, myBuy);

PlotShapes(IIf(Buy,shapeUpArrow,shapeNone),colorBlue,0,L,Offset=-10);
PlotShapes(IIf(Sell,shapeDownArrow,shapeNone),colorRed,0,H,Offset=-10);
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