A Price Specific Expert Advisor

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This is Russell. You may have seen some of my posts on this forum before. I've been actively playing around with MT and especially MQL4 and have came across a strategy that examins the current price only; absolutely no technical indicators are involved. Basically, I just wrote a routine that would determine consecutive candlestick patterns that would signify a likely continuation of a trend. But what impressed me with the results was that when I tested the expert advisor in the Strategy Tester, significant profits were generated for all of the forex symbols. In my experience, a specific strategy would work well on some symbols, and not others.

I would like to have your thoughts on this. Here's the code...

//+------------------------------------------------------------------+
//|                                            Price Advisor.mq4 |
//|                      Copyright © 2005, MetaQuotes Software Corp. |
//|                                        http://www.metaquotes.net |
//+------------------------------------------------------------------+
#property copyright "Copyright © 2005, MetaQuotes Software Corp."
#property link      "http://www.metaquotes.net"
#include <stdlib.mqh>

int prev_err = 0;
int state = 0;
double range = 0;

void PrintErrors(string message)
{
   
   int err = GetLastError();
   if (err != 0 && err != prev_err) 
   {
      Print("Error:  " + message + ":  " + err + ":  " + ErrorDescription(err));
   }
   
   prev_err = err;
}

//+------------------------------------------------------------------+
//| expert initialization function                                   |
//+------------------------------------------------------------------+
int init()
  {
//---- 

      
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| expert deinitialization function                                 |
//+------------------------------------------------------------------+
int deinit()
  {
//---- 
   
//----
   return(0);
  }
//+------------------------------------------------------------------+
//| expert start function                                            |
//+------------------------------------------------------------------+
int start()
  {
//---- 

   // Monitor Open Positions...
   int total = OrdersTotal();
   for (int i = 0; i < total; i++)
   {  
      OrderSelect(i, SELECT_BY_POS);
      if (OrderSymbol() == Symbol())
      {
         if (OrderProfit() > 2) 
         {
            OrderClose( OrderTicket(), OrderLots(), OrderClosePrice(), 3, Aqua);
            PrintErrors("Close Order:  exeptable profit");      
         }
                
      
      }
      
   }

   
   // Determine if we already placed an order on this symbol...
   bool trading_on_symbol = false;      
   total = OrdersTotal();
   for (i = 0; i < total; i++)
   {
      OrderSelect(i, SELECT_BY_POS);
      if (OrderSymbol() == Symbol())
      {
         trading_on_symbol = true;
         break;
      }
   }
   
   double stop_loss = 1200;
   double lots = 0.10;
            
   if (!trading_on_symbol && TimeDayOfWeek(CurTime()) < 4 && TimeDayOfWeek(CurTime()) > 0)
   {

      if (Symbol() == "USDCHF") range = 4;
      if (Symbol() == "GBPUSD") range = 8;
      if (Symbol() == "EURUSD") range = 4;
      if (Symbol() == "USDJPY") range = 1;
      if (Symbol() == "AUDUSD") range = 1;
      if (Symbol() == "USDCAD") range = 4;
      if (Symbol() == "EURCHF") range = 2;
      if (Symbol() == "EURGBP") range = 3;
      if (Symbol() == "EURJPY") range = 4;
      if (Symbol() == "EURAUD") range = 4;
      if (Symbol() == "GBPCHF") range = 1;
      if (Symbol() == "GBPJPY") range = 4;
      
   
      if ( Close[3] < Open[3] - range * Point && Close[2] < Open[2] - range * Point && Close[1] < Open[1] - range * Point)
      {
         OrderSend( Symbol(), OP_SELL, lots, Bid,1, Ask + stop_loss * Point, Bid - 8 * Point, NULL, 0, 0, Aqua);               
         PrintErrors("OrderSend:  Sell Order");
         trading_on_symbol = true;
      }
      
      
      if ( Close[3] > Open[3] + range * Point && Close[2] > Open[2] + range * Point && Close[1] > Open[1] + range * Point)
      {
         OrderSend( Symbol(), OP_BUY, lots, Ask,1, Ask - stop_loss * Point, Ask + 8 * Point, NULL, 0, 0, Aqua);
         PrintErrors("OrderSend:  Buy Order");
         trading_on_symbol = true;
      }
      
             
      
   }
   
   
   
  
      
//----
   return(0);
  }
//+------------------------------------------------------------------+
 
Russell,

With a 1200 pip stoploss, you wont get stopped out often. However, if you backtest with 12 months data, you will find a few currencies where the loss is significant!

Best regards,

Hugh
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