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Lesson 9 Buy sell stop Order - expert pour MetaTrader 5

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Publié:
2024.05.28 21:21
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I. Main function

1. Using condition buy or sell base on price action.

2. Auto caculate lot size

3. Auto trailling stop by ATR.

4. Backtest result

II. Main tick function

//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
 {
   if(OpenBar(Symbol())) 
   {
   OrderManaging();
 // Candle declaration
 double High[],Low[],open[],close[];
 ArraySetAsSeries(High,true);ArraySetAsSeries(Low,true);ArraySetAsSeries(close,true);ArraySetAsSeries(open,true);
 CopyHigh(Symbol(),timeframe,0,1000,High);
 CopyLow(Symbol(),timeframe,0,1000,Low);
 CopyOpen(_Symbol,timeframe,0,100,open);
 CopyClose(_Symbol,timeframe,0,100,close);
 
// Highest high and lowest low declaration
int highest= ArrayMaximum(High,HL_shift,HL_period);
int lowest= ArrayMinimum(Low,HL_shift,HL_period); 

double  HH= High[highest];
//Drawline(" Kháng Cự ", clrRed,HH);
double  LL= Low[lowest];
//Drawline(" hỗ trợ ", clrBlue,LL);

// Moving average declaration
CopyBuffer(Handle_MA,0,0,100,MA_Filter);
ArraySetAsSeries(MA_Filter,true);

 // Atr declaration
 ArraySetAsSeries(atr,true); CopyBuffer(hand_atr,0,0,50,atr);
 
 // Volume and MA_volume array buffe
 ArraySetAsSeries(Volume,true); ArraySetAsSeries(MA_volume,true);
 CopyBuffer(handle_volume,0,0,50,Volume);
 CopyBuffer(handle_MA_volume,0,0,50,MA_volume);
//+------------------------------------------------------------------+
//|   Broker parameter                                               |
//+------------------------------------------------------------------+     
double point = SymbolInfoDouble(_Symbol,SYMBOL_POINT);
double ask= SymbolInfoDouble(_Symbol,SYMBOL_ASK);
double bid= SymbolInfoDouble(_Symbol,SYMBOL_BID);
double spread=ask-bid;
double stoplevel= (int)SymbolInfoInteger(_Symbol,SYMBOL_TRADE_STOPS_LEVEL);
int freezerlevel= (int)SymbolInfoInteger(_Symbol,SYMBOL_TRADE_FREEZE_LEVEL); 
 
 // Count bjuy and count sell
 int count_buy=0; int count_sell=0;
 count_position(count_buy,count_sell,atr);

 // Main condition for buy and sell
    if(count_buy==0  )
    
     {      
       if( High[highest] > MA_Filter[highest]   )
       
        {
         double  entryprice= HH;
         double  sl        = LL;
         double  tp        = entryprice   +TP_factor*atr[1];
         double lotsize    = calculate_lotsize(sl,entryprice);
        if( entryprice>ask+stoplevel && entryprice-sl>stoplevel && tp-entryprice>stoplevel)
         {
          trade.BuyStop(lotsize,entryprice,_Symbol,sl,tp,ORDER_TIME_DAY);
        
         }
       }
     }
    if(count_sell==0)
     {  
     if( Low[lowest] < MA_Filter[lowest])   
        {
         double  entryprice= LL;
         double  sl        = HH;
         double  tp        = entryprice   -TP_factor*atr[1];
         double lotsize    = calculate_lotsize(sl,entryprice);
         if( entryprice<bid-stoplevel && sl-entryprice>stoplevel && entryprice-tp>stoplevel)
         {
         trade.SellStop(lotsize,entryprice,_Symbol,sl,tp,ORDER_TIME_DAY);
         }
        }
     }
   
  }
 
  }


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