MyTrack Conditional Orders

[wjs]

LOL

Actually I also sent this from their help section on trade type-OCO along with my (your) question.

OCO - Order Cancel Order
------------------------
This allows you to enter two orders, one at a
time, that are linked together. Both orders
are submitted for execution. When one of the
orders is executed a cancel order is automatically
submitted to cancel the other order.

There is a possibility that both orders will get
executed if the other order executes before the
cancel is processed. Also, the cancel is only
submitted when one order is filled completely. So
it is possible that you could have a partial fill
on one order and complete or partial fill on the
other.

As I am still confused on this, I don't think I will be experimenting with it yet. I might try the OSO option though.