nkimandi wrote:once it has built up the history file and starts trading will there be need to have Empty4 continuosly running?
The EA enters a TP figure when placing a trade so from the point of view of existing trades
the answer is no the PC does not need to be left ON.
However, to be able to add new trades (remember that trading conditions aren't right all the time and for not to disturb the EA I suggest you leave the PC on.