Disliked{quote} DAX futures also have some spreads too on IB, i assume. and certainly PAMM or private funds, or LLC, or whatnot comes with its own legal works. .... my answer was really in focus regards trading at a prop firm with another brokerage's platform. which is most likely at most cases is a definite: NO.Ignored
Maybe IB won't be the platform for their liking because IB does not offer Introducing Brokers constant income, which is a solid secondary source of income for prop trading firms who are mainly into the education business and using real or demo trading platforms.
Practice makes a person perfect