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EA for multiple markets at one time

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I was looking for information on how to write a timer correctly on the net.
And I found this EA based on RSI on more markets at a time.

I was intrigued by the "do it anywhere else"

Unfortunately, EA can not test anything.

Can EA be written on more markets?

Thank you.



//+------------------------------------------------------------------+
//|                                RSI na AUD_EUR_JPY_GBP_EURJPY.mq4 |
//|                        Copyright 2018, MetaQuotes Software Corp. |
//|                                             https://www.mql5.com |
//+------------------------------------------------------------------+
#property copyright "Copyright 2018, MetaQuotes Software Corp."
#property link      "https://www.mql5.com"
#property version   "1.00"
#property strict
//+------------------------------------------------------------------+
//---- input parameters
extern int        RSI_High=80;
extern int        RSI_Low=20;
extern int        User_Lots=1;
extern int        EA_MAGIC_NUM=1;
extern double     StopLoss=100.0;
extern double     TakeProfit=20.0;


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

void start()
{
while (true)
   {
   if (DecideToOpenTrade("AUDUSD"))
      {
       if(iRSI("AUDUSD",0,13,PRICE_CLOSE,0)>RSI_High)
         {
         OrderSend("AUDUSD",OP_BUY,User_Lots,Ask,0,0,Ask+TakeProfit*Point,NULL,0,0,Green);
         }
       if(iRSI("AUDUSD",0,13,PRICE_CLOSE,0)<RSI_Low)
         {
         OrderSend("AUDUSD",OP_SELL,User_Lots,Bid,0,0,Bid-TakeProfit*Point,NULL,0,0,Green);
         }
      }
   if (DecideToOpenTrade("EURUSD"))
      {
       if(iRSI("EURUSD",0,13,PRICE_CLOSE,0)>RSI_High)
         {
         OrderSend("EURUSD",OP_BUY,User_Lots,Ask,0,0,Ask+TakeProfit*Point,NULL,0,0,Green);
         }
       if(iRSI("EURUSD",0,13,PRICE_CLOSE,0)<RSI_Low)
         {
         OrderSend("EURUSD",OP_SELL,User_Lots,Bid,0,0,Bid-TakeProfit*Point,NULL,0,0,Green);
         }
      }
   if (DecideToOpenTrade("USDCHF"))
      {
       if(iRSI("USDCHF",0,13,PRICE_CLOSE,0)>RSI_High)
         {
         OrderSend("USDCHF",OP_BUY,User_Lots,Ask,0,0,Ask+TakeProfit*Point,NULL,0,0,Green);
         }
       if(iRSI("USDCHF",0,13,PRICE_CLOSE,0)<RSI_Low)
         {
         OrderSend("USDCHF",OP_SELL,User_Lots,Bid,0,0,Bid-TakeProfit*Point,NULL,0,0,Green);
         }
      }
   if (DecideToOpenTrade("USDJPY"))
      {
       if(iRSI("USDJPY",0,13,PRICE_CLOSE,0)>RSI_High)
         {
         OrderSend("USDJPY",OP_BUY,User_Lots,Ask,0,0,Ask+TakeProfit*Point,NULL,0,0,Green);
         }
       if(iRSI("USDJPY",0,13,PRICE_CLOSE,0)<RSI_Low)
         {
         OrderSend("USDJPY",OP_SELL,User_Lots,Bid,0,0,Bid-TakeProfit*Point,NULL,0,0,Green);
         }
      }
   if (DecideToOpenTrade("GBPUSD"))
      {
       if(iRSI("GBPUSD",0,13,PRICE_CLOSE,0)>RSI_High)
         {
         OrderSend("GBPUSD",OP_BUY,User_Lots,Ask,0,0,Ask+TakeProfit*Point,NULL,0,0,Green);
         }
       if(iRSI("GBPUSD",0,13,PRICE_CLOSE,0)<RSI_Low)
         {
         OrderSend("GBPUSD",OP_SELL,User_Lots,Bid,0,0,Bid-TakeProfit*Point,NULL,0,0,Green);
         }
      }
   if (DecideToOpenTrade("EURJPY"))
      {
       if(iRSI("EURJPY",0,13,PRICE_CLOSE,0)>RSI_High)
         {
         OrderSend("EURJPY",OP_BUY,User_Lots,Ask,0,0,Ask+TakeProfit*Point,NULL,0,0,Green);
         }
       if(iRSI("EURJPY",0,13,PRICE_CLOSE,0)<RSI_Low)
         {
         OrderSend("EURJPY",OP_SELL,User_Lots,Bid,0,0,Bid-TakeProfit*Point,NULL,0,0,Green);
         }
          }

}
}
//----
//Trade Checking Logic
//----
bool DecideToOpenTrade(string SymbolToUse)
{
   int total = OrdersTotal();
   if (total > 0)
   {
      for(int cnt=0;cnt<total;cnt++)
      {
         if(OrderSelect(cnt,SELECT_BY_POS))
         {
            if(OrderSymbol()==SymbolToUse && OrderMagicNumber() == EA_MAGIC_NUM)
            {
               return(false);
            }
         }
       }
    }
    return(true);
 }


Stanislav Milka:
I was looking for information on how to write a timer correctly on the net.
And I found this EA based on RSI on more markets at a time.

I was intrigued by the "do it anywhere else"

Unfortunately, EA can not test anything.

Can EA be written on more markets?

Thank you.




Your Code Is Doing What You Asking!
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