改單代換委託
cancel former order-CFO Order
指投資人的下一張新單以取代原先舊單，通常使用在投資人欲更改原先指令的買賣價格或數量的場合。
It refers to investors under a new order to replace the old original single, usually used to change the original instruction in the sale price or wishes to invest a number of occasions.