條款寫得很清楚喔~請參閱 Terms of Use:8.Any order to Sell within THIRTY (30) Calendardays of last purchase (LIFO – Last In, First Out)will cause Account Owner's account to be assessed aShort–Term Trading Fee of $19.99; For the purposesof calculation the day of purchase is consideredDay 0. Day 1 begins the day after the date ofpurchase.http://ppt.cc/CVk5 紅色標示處點開有詳細規定