Hi! i was trading envelopes and opening for years. this type of trading involves lots of open orders. Suddenly IB put limitations on it. no more than 300 from today. i don't know, if just me or all accounts are also affected, but my question today-is there any other brokers, who have DDE,API or whatever + did not reserve the money for every order you place, even before it was filled?
Thank you!
Thank you!