How to calculate the max lot size

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Hi friends,


a small issue that maybe is really simple but i don't find the correct loop to achieve it : I need the function to calculate from a pool of orders Buy with same MagicIndex the maximum Lot Size.


Example : 

Trade 1 : 0.01

Trade 2 : 0.02

Trade 3 : 1.00


Run the function and the result is 1.00.... i continue to have the result of 0.01... thanks in advance for your kind help!

 
Where is your code?
 
Keith Watford:
Where is your code?

My code is wrong but i try to explain :


Inside the void OnTick i will call the result of the function :

double calcsize(int MagicIndex)
{
double lotsize= 0.0;

for(int i=OrdersTotal()-1;i>=0;i--){

      if(!OrderSelect(i, SELECT_BY_POS)) continue;

      if(OrderMagicNumber() != MagicIndex || OrderSymbol() != Symbol()) continue;

      lotsize= MathMax(OrderLots(),OrderLots()); //Here is totally wrong but i don't know how to improve...

   }   

return (lotsize);
}
 
Onailuig80:

double calcsize(int MagicIndex)

{

double lotsize= 0.0;

for(int i=OrdersTotal()-1;i>=0;i--){

      if(!OrderSelect(i, SELECT_BY_POS)) continue;

      if(OrderMagicNumber() != MagicIndex || OrderSymbol() != Symbol()) continue;

      lotsize= MathMax(OrderLots(),OrderLots()); //Here is totally wrong but i don't know how to improve...

   }   

return (lotsize);

}

You don't want to calculate but find out the maximum value of Lot size from a pool. Am I right? If so you can try this line instead of yours:

   lotsize= MathMax(lotsize,OrderLots());
 
Petr Nosek:

You don't want to calculate but find out the maximum value of Lot size from a pool. Am I right? If so you can try this line instead of yours:

It's perferct :-) Thank youuuuuuu

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