Interactive Brokers offers a "Refer a Friend" program ... Fidelity, for instance, currently offers no promotions for opening accounts. "At this time, no, there are no account opening offers ...

There's a lot to like about Interactive Brokers (IBKR). Whether you are a U.S. or international citizen, you can open multiple types of accounts and trade in more than 150 global markets.

Interactive Brokers does not charge deposit fees or trading costs, so traders can easily fund their accounts. The first withdrawal each month is free, while subsequent withdrawals incur a fee of $ ...