With margin and without margin? What is the maximum ratio with margin?
All IPOs at every firm must be paid for in full and are not marginable as an IPO.
For almost all local brokerage firms in Hong Kong, clients can borrow 900% margin with very low interest rate for ipo.
How was I to know that you were not asking about the US markets?
I'm also not aware of IB ever being part of the selling group, so buying the IPO is not likely, You will have to trade after it is listed and publicly trading. The first few days, it will be hard for IB to provide leverage on those symbols.
Are you asking about the IPO itself or trading after?