Plot(C,"\nPrice",IIf(C>O,ParamColor("Wick UP Color", colorDarkGreen),IIf(C<=O,ParamColor("Wick Down Color", colorDarkRed),colorLightGrey)),64,0,0,0,0);
sigwd=ParamToggle("sigchange","weekly|daily",1);
//HBS mean histogram buy sell and LHBS mean low buy high sell
Spread_Sinal_Ordem=Optimize("Spread",0,-100,100,10);
SLoss=Optimize("Stop Loss",100,50,200,10);
SGain=Optimize("Stop Gain",100,50,200,10);
field= ParamToggle("field","fieldd|fieldw",1);
font = ParamToggle("font","Show|Hide",1);
messageboard = ParamToggle("Message Board","Show|Hide",0);
prexplore= ParamToggle("perce/buysell","pers|buysell",1);
// Automatic Linear Trend Channel 
// Trend is defined using an example trend: MA(cp,100)
// Amibroker AFL code by Edward Pottasch, November 2011 
ApplyStop(0,2,SLoss,1);
ApplyStop(1,2,SGain,1);
Factor=Param("Factor",4.2,1,10,0.1);
Pd=Param("ATR Periods",4,1,100,1);
Up=(H+L)/2+(Factor*ATR(Pd));
Dn=(H+L)/2-(Factor*ATR(Pd));
iATR=ATR(Pd);
TrendUp=TrendDown=Null;
trend[0]=1;
changeOfTrend=0;
flag=flagh=0;

for (i = 1; i <BarCount-1; i++) {
      TrendUp[i] = Null;
      TrendDown[i] = Null;
     
      trend[i]=1;
   
      
      if (Close[i]>Up[i-1]) {
         trend[i]=1;
         if (trend[i-1] == -1) changeOfTrend = 1;
         
      }
      else if (Close[i]<Dn[i-1]) {
         trend[i]=-1;
         if (trend[i-1] == 1) changeOfTrend = 1;
      }
      else if (trend[i-1]==1) {
         trend[i]=1;
         changeOfTrend = 0;       
      }
      else if (trend[i-1]==-1) {
         trend[i]=-1;
         changeOfTrend = 0;
      }


      if (trend[i]<0 && trend[i-1]>0) {
         flag=1;
      }
      else {
         flag=0;
      }
      
      if (trend[i]>0 && trend[i-1]<0) {
         flagh=1;

      }
      else {
         flagh=0;
      }
      
      if (trend[i]>0 && Dn[i]<Dn[i-1]){
         Dn[i]=Dn[i-1];
               }
      
      if (trend[i]<0 && Up[i]>Up[i-1])
        { Up[i]=Up[i-1];
               }
      
      if (flag==1)
       {  Up[i]=(H[i]+L[i])/2+(Factor*iATR[i]);;
        } 
      if (flagh==1)
        { Dn[i]=(H[i]+L[i])/2-(Factor*iATR[i]);;
         }
      if (trend[i]==1) {
         TrendUp[i]=Dn[i];
         if (changeOfTrend == 1) {
            TrendUp[i-1] = TrendDown[i-1];
            changeOfTrend = 0;
         }
      }
      else if (trend[i]==-1) {
         TrendDown[i]=Up[i];
         if (changeOfTrend == 1) {
            TrendDown[i-1] = TrendUp[i-1];
            changeOfTrend = 0;
         }
      }
   } 

Plot(TrendUp,"Trend",colorGreen);
Plot(TrendDown,"Down",colorRed);
bbbb=trend==1;
ssss=trend==-1;
bbbb=ExRem(bbbb,ssss);
ssss=ExRem(ssss,bbbb);

testc = IIf (C==ValueWhen(bbbb,Close,1),1,0);
testo = IIf (O==ValueWhen(bbbb,Open,1),1,0);
testl = IIf (L==ValueWhen(bbbb,Low,1),1,0);
testh = IIf (H==ValueWhen(bbbb,High,1),1,0);
testc1 = IIf (C==ValueWhen(ssss,Close,1),1,0);
testo1 = IIf (O==ValueWhen(ssss,Open,1),1,0);
testl1 = IIf (L==ValueWhen(ssss,Low,1),1,0);
testh1 = IIf (H==ValueWhen(ssss,High,1),1,0);
testcandle=testc+testo+testl+testh+testc1+testo1+testl1+testh1;


bb=trend==1;
ss=trend==-1;	


// esse +100 ou -100 eh o stop (botar um param nele)
BPT=ValueWhen(ss,Close,1)+SGain;
SPT=ValueWhen(bb,Close,1)-Sloss;

BP=ValueWhen(ss,Close,1)+Spread_Sinal_Ordem;
SP=ValueWhen(bb,Close,1)-Spread_Sinal_Ordem;

barras=Min(BarsSince(bbbb),BarsSince(ssss))+1;

Minh=Ref(LLV(Low,barras),-1);
Maxh=Ref(HHV(High,barras),-1);


Buy = trend==1  AND Low<bp AND testcandle !=4 AND Maxh < BPT;
Sell = trend==-1  AND High>sp AND testcandle !=4 AND Minh > SPT;
Buy1=trend==1;
Sell1=trend==-1;

Buy=ExRem(Buy,Sell1);
Sell=ExRem(Sell,Buy1);
Short=Sell;
Cover=Buy;

BuyPrice=Min(bp,Open);
SellPrice=Max(sp,Open);
ShortPrice=Max(sp,Open);
CoverPrice=Min(bp,Open);
Title=
EncodeColor(colorYellow)+"barras: "+barras
+"\n"
+EncodeColor(colorYellow)+"Minh: "+minh
+"\n"
+EncodeColor(colorYellow)+"Maxh: "+maxh
+"\n"
+EncodeColor(colorYellow)+"High: "+H
+"\n"
+EncodeColor(colorYellow)+"Low: "+L
+"\n"
+EncodeColor(colorYellow)+"Open: "+O
+"\n"
+EncodeColor(colorYellow)+"Close: "+C
+"\n"
+EncodeColor(colorYellow)+"BP: "+BP
+"\n"
+EncodeColor(colorYellow)+"SP: "+SP
+"\n"
+EncodeColor(colorYellow)+"BPT: "+BPT
+"\n"
+EncodeColor(colorYellow)+"SPT: "+SPT;






PlotShapes( Buy * shapeUpArrow + Sell * shapeDownArrow, IIf( Buy, colorWhite, colorYellow ) );
PlotShapes( Buy * shapeUpTriangle + Sell * shapeDownTriangle, IIf( Buy, colorWhite, colorYellow ) );