[amibroker] AUTOMATIC TRADING

[Alberto Muņoz <amunoz@xxxxxxxxxxx>]

Hi, I'm trying to automate orders with AmiBroker 4.7 and TWS but I'm not 
able to do it. I've written a "dummy" trading system which buys when 
close is higher than the last close and sells when close is lower than 
the last close (very useful in 1-minute charts to test orders).  The 
problem is that AB starts sending orders to Buy 2 contracts and stops. 
Maybe there's something wrong with brackets or another stupid thing but 
it would be very helpful for me if someone in the list provides an 
example code to automate orders (or test and arrange mine).

Thanks a lot and good trading,
Alberto Muņoz

This is the AFL code:

LastPosition=0;
Buy=C > Ref(C, -1);
Sell=C < Ref(C, -1);
Buy  = ExRem(Buy,Sell);
Sell = ExRem(Sell,Buy);

if( LastValue( Buy ) )
{
 ibc = GetTradingInterface("IB");

 if( ibc.IsConnected() )
 {
    if(LastPosition==0)
    {
        ibc.PlaceOrder( Name(), "Buy", 1, "MKT", 0, 0, "Day", False);
        LastPosition=1;
    }
 }

else
{
if( LastPosition==-1)
    {
      ibc.PlaceOrder( Name(), "Buy", 2, "MKT", 0, 0, "Day", False );
       LastPosition=1;
    }
   }
}

if( LastValue( Sell ) )
{
 ibc = GetTradingInterface("IB");
 if( ibc.IsConnected() )
 {
    if( LastPosition==0 )
    {
       ibc.PlaceOrder( Name(), "Sell", 1, "MKT", 0, 0, "Day", False );
         LastPosition=-1;
    }
 }

else
{
if( LastPosition==1 )
    {
       ibc.PlaceOrder( Name(), "Sell", 2, "MKT", 0, 0, "Day", False );
         LastPosition=-1;
    }
   }
}


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