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Help EA Coding For MT4

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Old 09-09-2016, 15:40
Level 1 Lasers Member
 
Join Date: Sep 2016
Posts: 2
Default Help EA Coding For MT4

Good afternoon,
I have a simple script that I developed:

Buy Close ( 1 ) > Close ( 2) / Sell Close ( 1 ) < Close (2)

that serves me well in the type of strategy and asset use .

However wanted to add two parameters :
RiskPercent - Percentage of capital allocated to each operation , the batch varies according to the accumulated assets .
MaxSpread - maximum Spreed accepted to enter into a transaction.

Anyone can help me?

See the code below:

extern int MagicNumber=10001;
extern double Lots =0.01;
extern double StopLoss=0;
extern double TakeProfit=0;
extern int TrailingStop=0;
extern int Slippage=3;
//+------------------------------------------------------------------+
// expert start function
//+------------------------------------------------------------------+
int start()
{
double MyPoint=Point;
if(Digits==3 || Digits==5) MyPoint=Point*10;

double TheStopLoss=0;
double TheTakeProfit=0;
if( TotalOrdersCount()==0 )
{
int result=0;
if((Close[1]>Close[2])) // Here is your open buy rule
{
result=OrderSend(Symbol(),OP_BUY,Lots,Ask,Slippage ,0,0,"xx",MagicNumber,0,Blue);
if(result>0)
{
TheStopLoss=0;
TheTakeProfit=0;
if(TakeProfit>0) TheTakeProfit=Ask+TakeProfit*MyPoint;
if(StopLoss>0) TheStopLoss=Ask-StopLoss*MyPoint;
OrderSelect(result,SELECT_BY_TICKET);
OrderModify(OrderTicket(),OrderOpenPrice(),Normali zeDouble(TheStopLoss,Digits),NormalizeDouble(TheTa keProfit,Digits),0,Green);
}
return(0);
}
if((Close[1]<Close[2])) // Here is your open Sell rule
{
result=OrderSend(Symbol(),OP_SELL,Lots,Bid,Slippag e,0,0,"xx",MagicNumber,0,Red);
if(result>0)
{
TheStopLoss=0;
TheTakeProfit=0;
if(TakeProfit>0) TheTakeProfit=Bid-TakeProfit*MyPoint;
if(StopLoss>0) TheStopLoss=Bid+StopLoss*MyPoint;
OrderSelect(result,SELECT_BY_TICKET);
OrderModify(OrderTicket(),OrderOpenPrice(),Normali zeDouble(TheStopLoss,Digits),NormalizeDouble(TheTa keProfit,Digits),0,Green);
}
return(0);
}
}

for(int cnt=0;cnt<OrdersTotal();cnt++)
{
OrderSelect(cnt, SELECT_BY_POS, MODE_TRADES);
if(OrderType()<=OP_SELL &&
OrderSymbol()==Symbol() &&
OrderMagicNumber()==MagicNumber
)
{
if(OrderType()==OP_BUY)
{
if((Close[1]<Close[2])) //here is your close buy rule
{
OrderClose(OrderTicket(),OrderLots(),OrderClosePri ce(),Slippage,Red);
}
if(TrailingStop>0)
{
if(Bid-OrderOpenPrice()>MyPoint*TrailingStop)
{
if(OrderStopLoss()<Bid-MyPoint*TrailingStop)
{
OrderModify(OrderTicket(),OrderOpenPrice(),Bid-TrailingStop*MyPoint,OrderTakeProfit(),0,Green);
return(0);
}
}
}
}
else
{
if((Close[1]>Close[2])) // here is your close sell rule
{
OrderClose(OrderTicket(),OrderLots(),OrderClosePri ce(),Slippage,Red);
}
if(TrailingStop>0)
{
if((OrderOpenPrice()-Ask)>(MyPoint*TrailingStop))
{
if((OrderStopLoss()>(Ask+MyPoint*TrailingStop)) || (OrderStopLoss()==0))
{
OrderModify(OrderTicket(),OrderOpenPrice(),Ask+MyP oint*TrailingStop,OrderTakeProfit(),0,Red);
return(0);
}
}
}
}
}
}
return(0);
}

int TotalOrdersCount()
{
int result=0;
for(int i=0;i<OrdersTotal();i++)
{
OrderSelect(i,SELECT_BY_POS ,MODE_TRADES);
if (OrderMagicNumber()==MagicNumber) result++;

}
return (result);
}
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