Z12 and Z2 trading with IB generate a lot of partial Executions. Sometimes the system buy and sold same position in 1 second. So it generate sometimes up to 8 real trades per minute! That means 30$ fees in a minute. The same effective position change would be possible with only one trade. Sometimes position size in forex is only 1K.
This is one reason I lost 40% of capital in last 10 weeks with Z12 and Z2.

Is it possible to set parameters for minimum trade size (for example 20K in forex)?
Is it possible to limit real trades of same currency per hour?
How can I prevent trades in opposite direction (buy/sell) at same time/ same day?
(Unfortunately all trades are real, no phantom trades)