// Best Amibroker Afl with Buy/Sell Signals - Reg. (AFL)
// URL: http://www.traderji.com/software/27917-best-amibroker-afl-buy-sell-signals-reg-7.html
//
// Extra: KAMAS Buy-Sell for Amibroker (AFL)
//

prev=AMA2(C,1,0);
d=IIf(C>Ref(Max(Max(H,Ref(H,-20)),Max(Ref(H,-10),Ref(H,-15))),-1),Min(Min(L,Ref(L,-20)),Min(Ref(L,-10),Ref(L,-15))),
IIf(C<Ref(Min(Min(L,Ref(L,-20)),Min(Ref(L,-10),Ref(L,-15))),-1),Max(Max(H,Ref(H,-20)),Max(Ref(H,-10),Ref(H,-15))),PREV));
a=Cross(Close,d);
b=Cross(d,Close);
state=IIf(BarsSince(a)<BarsSince(b),1,0);
s=state>Ref(state,-1);
ss=state<Ref(state,-1);
sss=state==Ref(state,-1);
col=IIf(state == 1 ,51,IIf(state ==0,4,1));
Plot(C,"",Col,64);
PlotShapes( shapeUpArrow * s ,colorGreen,0,L);
PlotShapes( shapeDownArrow *ss ,colorRed,0,H);


Filter = s OR ss OR sss ;
AddColumn(C,"close",1.2);
AddColumn( IIf( s, 66,1 ), "buy", formatChar, 1, bkcolor =IIf (s,colorYellow, colorPink ));
AddColumn( IIf( Ss, 83,1 ), "sell", formatChar, 1, bkcolor =IIf (Ss,colorPink, colorYellow ));
AddColumn( IIf( sss, 87,1 ), "wait", formatChar, 1, bkcolor =IIf (sss,colorYellow, colorRed ));


_SECTION_BEGIN("Buy/Sell Signals");
_N(Title = EncodeColor(colorWhite) + "{{NAME}} - {{INTERVAL}} {{DATE}}: "+_DEFAULT_NAME()+" : {{OHLCX}} {{VALUES}}"
+"\n"+EncodeColor(colorYellow)+
WriteIf(s,"EXIT all Short positions\nif trading long positions, enter long Now-\nOR at the market price on tomorrow's Open with stop="+EncodeColor(4)+WriteVal(L+.75*ATR(5),1.4)+" ,","")+
WriteIf(ss,"Exit all long positions today with a Market On Close (MOC) order\nOR at the market price on tomorrow's Open with stop="+EncodeColor(4)+WriteVal(Ref(H+.75*ATR(5), -1),1.4)+",","")+
WriteIf( sss ,"No trading signals today.","") );
_SECTION_END();


_SECTION_BEGIN("Buy Sell Arrow Signals");
Buy = s;
Sell = ss;

PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorGreen, 0, L, Offset=-30);
PlotShapes(IIf(Buy, shapeSquare, shapeNone),colorLime, 0, L, Offset=-40);                      
PlotShapes(IIf(Buy, shapeUpArrow, shapeNone),colorWhite, 0,L, Offset=-35); 
PlotShapes(IIf(Sell, shapeSquare, shapeNone),colorRed, 0, H, Offset=30);
PlotShapes(IIf(Sell, shapeSquare, shapeNone),colorOrange, 0,H, Offset=40);                      
PlotShapes(IIf(Sell, shapeDownArrow, shapeNone),colorWhite, 0,H, Offset=-35);

dist = 2*ATR(20); //0.8
dist1 = 2*ATR(20); //1.2
for( i = 0; i < BarCount; i++ ) 
{ 
 if( Buy[i] ) 
 {
  PlotText( "\nBuy:" + L[ i ] + "\nT= " + (L[i]*1.005) + "\nSL= " + (L[i]*0.9975), i, L[ i ]-dist[i], colorLightBlue);
 }
 if( Sell[i] )
 {
  PlotText( "Sell:" + H[ i ] + "\nT= " + (H[i]*0.995) + "\nSL= " + (H[i]*1.0025), i, H[ i ]+dist1[i], colorLightBlue); 
 }
}
_SECTION_END();



_SECTION_BEGIN("Swing");
no=20;
res=HHV(H,no);
sup=LLV(L,no);
avd=IIf(C>Ref(res,-1),1,IIf(C<Ref(sup,-1),-1,0));
avn=ValueWhen(avd!=0,avd,1);
supres=IIf(avn==1,sup,res);

a=Cross(C,supres);
b=Cross(supres,C);

style = a * styleStaircase + b * styleStaircase;

PlotShapes(a,style, IIf(a,colorGreen,colorRed), 0, IIf(a,Low,High));


_SECTION_END();



_SECTION_BEGIN("Trend");
uptrend=PDI(20)>MDI(10)AND Signal(29)<MACD(13);
downtrend=MDI(10)>PDI(20)AND Signal(29)>MACD(13);


Plot( 2, /* defines the height of the ribbon in percent of pane width */"ribbon",
IIf( uptrend, colorGreen, IIf( downtrend, colorRed, 0 )), /* choose color */
styleOwnScale|styleArea|styleNoLabel, -0.5, 100 );
_SECTION_END();

//d = Close > Ref( ChandelierHL(ATR(3),20), -1);
//e =Close < Ref( ChandelierHL(ATR(3),20), -1);
//f = Close < Ref( ChandelierHL(ATR(3),20), -1);
//g = Close > Ref( ChandelierHL(ATR(3),20), -1);

Buy = s AND a AND uptrend ;
Short = ss AND b AND downtrend ;
Sell = ss AND b AND downtrend ;
Cover = s AND a AND uptrend ;

Buy=ExRem(Buy,Sell);
Sell=ExRem(Sell,Buy);
Cover=ExRem(Cover,Short);
Short=ExRem(Short,Cover);

Filter=Buy OR Sell;
Filter= Cover OR Short;

AddColumn( Buy, "Buy", 1);
AddColumn(Sell, "Sell", 1);
AddColumn(Close,"Close",1.2);
AddColumn(Volume,"Volume",1.0);


_SECTION_BEGIN("Volume");
Plot( Volume, _DEFAULT_NAME(), ParamColor("Color", ColorRGB(20,20,20) ), styleNoTitle | ParamStyle( "Style", styleHistogram | styleOwnScale | styleThick | styleNoLabel, maskHistogram ), 2 );
_SECTION_END();


// Plot the Buy and Sell arrows.
shape = Buy * shapeUpArrow + Sell * shapeDownArrow;
PlotShapes(shape, IIf(Buy,colorGreen,colorRed), 0, IIf(Buy,Low,High));

Plot(supres,"Swing",colorYellow,styleStaircase);

//SetChartBkGradientFill( ParamColor("BgTop", ColorRGB( 172,172,172 )),

//ParamColor("BgBottom", ColorRGB( 172,172,172 )),ParamColor("titleblock",ColorRGB( 172,172,172 )));
//Alerts
AlertIf( Buy, "SOUND C:\\Windows\\Media\\tada.wav", "Buy",2);
AlertIf( Short, "SOUND C:\\Windows\\Media\\notify.wav", "Short", 2 );

GraphXSpace = 5; 

/* -------------------------------------------------------------------------------------- */


SetChartBkColor(colorBlack);
SetChartOptions(0,chartShowArrows|chartShowDates);

_SECTION_BEGIN("MA1");
P = ParamField("Price field",-1);
Periods = Param("Periods", 15, 2, 300, 1, 10 );
Plot( MA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") );
_SECTION_END();

_SECTION_BEGIN("MA3");
P = ParamField("Price field",-1);
Periods = Param("Periods", 15, 2, 300, 1, 10 );
Plot( MA( P, Periods ), _DEFAULT_NAME(), ParamColor( "Color", colorCycle ), ParamStyle("Style") );
_SECTION_END();

/* -------------------------------------------------------------------------------------- */

//KAMAS Buy-Sell for Amibroker (AFL)

_SECTION_BEGIN("KAMA System 1.0");

//SetChartOptions(0,chartShowArrows|chartShowDates);
//Title = ("KAMA SYSTEM - " + Name()+"  " + Date() +"  "+Interval(2) +"  "+ EncodeColor(colorLime)+",Open "+Open +" ,High "+H+" ,Low "+L+" ,Close "+C+" "+"{{VALUES}}");


//{{VALUES}}"+ O+ H+ L+C);


//_N(Title =StrFormat("{{Name}} - {{Interval}} {{Date}} Open %g, Hi %g, Lo %g, Close %g (%.1f%%) {{VALUES}}", O, H, L, C, SelectedValue( ROC( C, 1 ) ) ));


// Buy adjustments
bs=Param("BUY Sensitivity",7,2,20,1);
bf=Param("BUY Finetune",2,0.1,20,0.1);

///uncommentf for optimization
//bs=Optimize("BUY Sensitivity",7,2,20,1);
//bf=Optimize("BUY Finetune",2,0.1,20,0.1);
// Sell Adjustments
ss=Param("SELL Sensitivity",5,2,20,1);
sf=Param("SELL Finetune",1,0.1,20,0.1);

///uncommentf for optimization
ss=Optimize("SELL Sensitivity",5,2,20,1);
sf=Optimize("SELL Finetune",1,0.1,20,0.1);


//stock selection parameters
MyCL = Param( "CL", 10, 10, 100, 10 );
MyVK = Param( "VK", 30, 10, 100, 10 );
MyTL = Param( "TL", 300, 100, 1000, 100 );
//stock selection
//TLM = EMA(C*V/100000,100) ;
//include = C> MyCL AND V/1000> MyVK AND C*V/100000 > MyTL AND TLM > 0.333 * MyTL ; 

// common
fast = 2/(2+1);
slow = 2/(30+1);
//BUY part
dirb=abs(Close-Ref(Close,-bs));
volb=Sum(abs(Close-Ref(Close,-1)),bs);
ERb=dirb/volb;
scb =( ERb*(fast-slow)+slow)^2; 
xb = AMA( C, scb ); 
flb=bf*StDev(xb-Ref(xb,-1),20);
j=xb-Ref(xb,-3);


//SELL part
dirs=abs(Close-Ref(Close,-ss));
vols=Sum(abs(Close-Ref(Close,-1)),ss);
ERs=dirs/vols;
scs =( ERs*(fast-slow)+slow)^2; 
xs = AMA( C, scs ); 
fls=sf*StDev(xs-Ref(xs,-1),20);
k=Ref(Xs,-3)-Xs;

Buy=Cross(j,flb) ;
Sell=Cross(k,fls);
mycolor=IIf(C>xb,colorLime,colorRed);
//Plot( C, "Close", mycolor,styleNoTitle | styleCandle  ); 
//Plot(xb,"KAMA-BUY",colorRed,1);
//Plot(xs,"KAMA-SELL",colorOrange,1);
Buy = ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);

shape = Buy * shapeHollowUpArrow + Sell * shapeHollowDownArrow ;
PlotShapes( shape, IIf( Buy, colorYellow , colorYellow ),0, IIf( Buy, Low, High ) );

//SetChartBkColor(colorBlack);
//GraphXSpace = 5;
dist = 2*ATR(20); //0.8
dist1 = 2*ATR(20); //1.2

for( i = 0; i < BarCount; i++ ) 
{ 
if( Buy[i] ) PlotText( "Buy@" + C[ i ], i, L[ i ]-dist[i], colorYellow ); 
if( Sell[i] ) PlotText( "Sell@" + C[ i ], i, L[ i ]+dist1[i], colorYellow ); 
} 
Filter= Buy OR Sell;

PositionScore=100/C;
PositionSize = - 20;
SetBarsRequired(10000, 10000);
SetFormulaName("KAMA System");

_SECTION_END();

/* -------------------------------------------------------------------------------------- */

_SECTION_BEGIN("Show Values at H&L");
n=Param("Values back",20,1,200,1);
p=Param("zig %",5,1,100,1);
dist = 1.5*ATR(15); //0.8  15

for( i = 1; i < n; i++ )
{
PlotText(""+LastValue(Peak(H,p,i),True),BarCount-2-LastValue(PeakBars(H,p,i)),LastValue(dist,True)+LastValue(Peak(H,p,i),False),colorGreen
);//colorWhite,colorDarkGreen
PlotText(""+LastValue(Trough(L,p,i),True),BarCount-2-LastValue(TroughBars(L,p,i)),LastValue(Trough(L,p,i),False)-LastValue(dist,True),colorRed
);//colorWhite,colorDarkRed
}
_SECTION_END();

/* -------------------------------------------------------------------------------------- */

_SECTION_BEGIN("Name");
GfxSetOverlayMode(1);
GfxSelectFont("Tahoma", Status("pxheight")/8 );
GfxSetTextAlign( 6 );// center alignment
GfxSetTextColor( ColorHSB( 42, 42, 42 ) );
GfxSetBkMode(0); // transparent
GfxTextOut( Name(), Status("pxwidth")/2, Status("pxheight")/12 );
GfxSelectFont("Tahoma", Status("pxheight")/18 );
GfxTextOut( IndustryID(1), Status("pxwidth")/2, Status("pxheight")/4 );

GfxSelectFont("Tahoma", Status("pxheight")/18 );
GfxSelectFont("Tahoma", Status("pxheight")/36 );
GfxTextOut( "Buy/Sell Signals", Status("pxwidth")/2, Status("pxheight")/3 );
_SECTION_END();

/* -------------------------------------------------------------------------------------- */