JamesL:Quote from JamesL:
...If brokers can do it (real time margining/automatic liquidations) offering their $500 margins at all hours.....
Quote from JackR:
JamesL:
Is this correct for US firms? As I understand it, exchange established (CME\GLOBEX) margins must be used outside of RTH. A broker can set any level during RTH as the exchange has no rules during RTH.
Jack