можно добавить фильтр для тралла по направлению бай/селл?

//+------------------------------------------------------------------+
//|                                                     BuySell2.mq4 |
//|                                              Copyright 2022, AM2 |
//|                                     https://www.forexsystems.biz |
//+------------------------------------------------------------------+
#property copyright "Copyright 2022, AM2"
#property link      "https://www.forexsystems.biz"
#property version   "1.00"
#property strict

//--- Inputs
extern double Lots       = 0.1;      // лот
extern double KLot       = 2;        // умножение лота
extern double MaxLot     = 5;        // максимальный лот

extern int StopLoss      = 200;      // лось
extern int TakeProfit    = 250;      // язь
extern int TrailingStop  = 0;        // трал

extern int Slip          = 30;       // реквот
extern int BuySell       = 0;        // 0-открытие по свечам 1-бай 2-селл
extern int Magic         = 123;      // магик

//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//---
   Comment("");
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
   Comment("");
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void PutOrder(int type,double price)
  {
   int r=0;
   color clr=Green;
   double sl=0,tp=0;

   if(type==1 || type==3 || type==5)
     {
      clr=Red;

      if(StopLoss>0)
         sl=NormalizeDouble(price+StopLoss*_Point,_Digits);
      if(TakeProfit>0)
         tp=NormalizeDouble(price-TakeProfit*_Point,_Digits);
     }

   if(type==0 || type==2 || type==4)
     {
      clr=Blue;

      if(StopLoss>0)
         sl=NormalizeDouble(price-StopLoss*_Point,_Digits);
      if(TakeProfit>0)
         tp=NormalizeDouble(price+TakeProfit*_Point,_Digits);
     }

   r=OrderSend(NULL,type,Lot(),NormalizeDouble(price,_Digits),Slip,sl,tp,"",Magic,0,clr);
   return;
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
int CountTrades()
  {
   int count=0;
   for(int i=OrdersTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()<2)
               count++;
           }
        }
     }
   return(count);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
double Lot()
  {
   double lot=Lots;

   for(int i=OrdersHistoryTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_HISTORY))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderProfit()>0)
              {
               break;
              }
            if(OrderProfit()<0)
              {
               lot=OrderLots()*KLot;
               break;
              }
           }
        }
     }

   if(lot>MaxLot)
      lot=Lots;
   return(lot);
  }
//+------------------------------------------------------------------+
//| Результат последней сделки                                       |
//+------------------------------------------------------------------+
int LastDealResult()
  {
   int res=0;

   if(OrderSelect(OrdersHistoryTotal()-1,SELECT_BY_POS,MODE_HISTORY))
     {
      if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
        {
         if(OrderProfit()>0)
           {
            res=1;//tp
           }
         if(OrderProfit()<0)
           {
            res=2;//sl
           }
        }
     }
   return(res);
  }
//+------------------------------------------------------------------+
//| Тип последней сделки                                             |
//+------------------------------------------------------------------+
int LastDealType()
  {
   int type=8;

   if(OrderSelect(OrdersHistoryTotal()-1,SELECT_BY_POS,MODE_HISTORY))
     {
      if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
        {
         if(OrderType()==0)
           {
            type=1;//buy
           }
         if(OrderType()==1)
           {
            type=2;
           }
        }
     }
   return(type);
  }
//+------------------------------------------------------------------+
//|                                                                  |
//+------------------------------------------------------------------+
void TrailingAll()
  {
   bool mod;
   double all=0,count=0,sl=0;

   for(int i=OrdersTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()<2)
              {
               all+=OrderOpenPrice()*OrderLots();
               count+=OrderLots();
              }
           }
        }
     }

   if(count>0)
      all=NormalizeDouble(all/count,_Digits);

   for(int i=OrdersTotal()-1; i>=0; i--)
     {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES))
        {
         if(OrderSymbol()==Symbol() && OrderMagicNumber()==Magic)
           {
            if(OrderType()==OP_BUY)
              {
               if(Bid-all>TrailingStop*_Point)
                 {
                  if(OrderStopLoss()<Bid-TrailingStop*_Point)
                    {
                     sl=NormalizeDouble(Bid-TrailingStop*_Point,_Digits);
                     if(OrderStopLoss()!=sl)
                        mod=OrderModify(OrderTicket(),OrderOpenPrice(),sl,OrderTakeProfit(),0,Yellow);
                    }
                 }
              }

            if(OrderType()==OP_SELL)
              {
               if(all-Ask>TrailingStop*_Point)
                 {
                  if((OrderStopLoss()>(Ask+TrailingStop*_Point)) || (OrderStopLoss()==0))
                    {
                     sl=NormalizeDouble(Bid+TrailingStop*_Point,_Digits);
                     if(OrderStopLoss()!=sl)
                        mod=OrderModify(OrderTicket(),OrderOpenPrice(),sl,OrderTakeProfit(),0,Yellow);
                    }
                 }
              }
           }
        }
     }
  }
//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
   if(TrailingStop>0)
      TrailingAll();

   if(CountTrades()<1)
     {
      if(LastDealResult()==2 && LastDealType()==2)
        {
         PutOrder(0,Ask);
        }

      if(LastDealResult()==2 && LastDealType()==1)
        {
         PutOrder(1,Bid);
        }

      if((Close[0]>Open[0] && BuySell==0)||(BuySell==1))
        {
         PutOrder(0,Ask);
        }

      if((Close[0]<Open[0] && BuySell==0)||(BuySell==2))
        {
         PutOrder(1,Bid);
        }
     }

   Comment("\n Lot: ",Lot());
  }
//+------------------------------------------------------------------+

Советник работает только по одному индикатору

   bool buy =  blu!=EMPTY_VALUE && smi<-Level;
   bool sell = red!=EMPTY_VALUE && smi>Level;

Стрелок и не должно быть

как только заканчивается паттерн прямая линия

MetaTrader 4\MQL4\indicators\OBV.ex4' [2]