Don't think anyone has ever thought of leveraging leverage :/
He will continue collect the "profit sharing" from his investor until the sh** hit the fan (which will happen eventually)
He will not blow up, but his "investor" will (If I read the thread correctly, the live trading account is opened under his investor's name). This means IB or whoever broker will after his investor (and not him) if the loss is more than the initial capital.
Indeed, marsman is smarter than most of us here.

And what would be the alternative according to you?Isn't it how funds make money? Gamble with investors' funds?![]()
And what would be the alternative according to you?
Every shareholder of the fund to trade on its own? What if he/she isn't a trader, hasn't time for trading?...
What do you mean by that? Can you give an example?BTW, unfortunately live fills are much less attractive on IB.