s*r2012-01-05 08:019 楼yeah, except that you have to wait until 8am to do Pre and its after hourtrade closes at 5.Better change to flat rate if you most of time have to get in/out fast.using market orders or buy on ask/sell on bid.【在 s******8 的大作中提到】: 我一般选BATS,容易成交,包括盘前盘后,400股买0.48,卖0.62。