Well, StreetSmart is dogshit! Recently when I play the open for VIAC I buy 400 shares and for several seconds they send no execution back (the system is slow), when I get it (delayed) invariably the stock moves away from me. This happens time after time. I have asked Shwab when they make ThinkorSwim available, the answer is 12-36 months. The question is; can I complain and get some refund back due to their dogshit interface? I am not the best scalper in the world but at one time I made money every day of the week. Either I am giving up scalping or have to move to another platform which I would hate to do, as I have moved around too much already (TD Ameritrade, IB) The only positive thing about Schwab is a good place to invest (not trade!) and phone support is always available.