Peterffy of Interactive Brokers said essentially the same thing. The broker is on the hook for the money as far as the clearing house is concerned. If they cannot get it from their customers, they will be left holding the bag. And in a security as volatile as GME, that could certainly happen.
In fact, we have seen things like that happen before. Forex broker FXCM blew up after their customers lost large amounts of money in the Swiss Franc in early 2015.
In fact, we have seen things like that happen before. Forex broker FXCM blew up after their customers lost large amounts of money in the Swiss Franc in early 2015.