How select the biggest lot position

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Hi 

I want writing a martingle EA code

How I can select the biggest lot position for *2 for new position?

Please write sample code

 

Forum on trading, automated trading systems and testing trading strategies

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Alain Verleyen, 2018.08.03 22:51

About getting coding free help.


Welcome,

  • Usually people who cannot code do not receive free help on this forum, although it could happen if you are lucky. Be patient.
  • If you show your attempts and describe your problem clearly, you will most probably receive an answer from the community.
  • If you do not want to learn to code, that is not a problem. You can either look at the Codebase if something free already exists, or in the Market for paid products (also sometimes free).

Good luck.

--------------------

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Coders (any coder) are coding for free:

  • if it is interesting for them personally, or
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and Freelance section of the forum should be used in most of the cases.

Urgent help.


 
Alain Verleyen:

i start learing mql4 but i don,t now about source of learning ?

what is the best source of learning mql4?

i want sample code and not all code 

 
saeedmyheart:

Hi 

I want writing a martingle EA code

How I can select the biggest lot position for *2 for new position?

Please write sample code

//+------------------------------------------------------------------+
//|                                                            d.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
 double ResultSell=0;
  double ResultBuy=0;
//+------------------------------------------------------------------+
//| Expert initialization function                                   |
//+------------------------------------------------------------------+
int OnInit()
  {
//---
   
//---
   return(INIT_SUCCEEDED);
  }
//+------------------------------------------------------------------+
//| Expert deinitialization function                                 |
//+------------------------------------------------------------------+
void OnDeinit(const int reason)
  {
//---
   
  }
  int BuySellCount()
{
  ResultSell=0;
  ResultBuy=0;
    int total = OrdersTotal();
   for(int i=total-1;i>=0;i--)
    {
      if(OrderSelect(i,SELECT_BY_POS,MODE_TRADES)==false)        break;
      if(OrderSymbol()!=Symbol()) continue;
      if (OrderType()==OP_SELL) ResultSell=ResultSell+OrderLots();
      if (OrderType()==OP_BUY)  ResultBuy=ResultBuy+OrderLots();
    }
    return(0); 
    }
 
   
   


//+------------------------------------------------------------------+
//| Expert tick function                                             |
//+------------------------------------------------------------------+
void OnTick()
  {
//---
double Lots=0.0;
   BuySellCount();
   if (ResultBuy>ResultSell) Lots=ResultBuy*2;
   if (ResultBuy<ResultSell) Lots=ResultSell*2;
   
  }
//+------------------------------------------------------------------+
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