ˌfill or ˈkill ˌorder ( ˌfill or ˈkill, less frequent )
noun
[] ( FOK) () an instruction to a broker to buy or sell a particular number of shares at a particular price immediately or else not at all 不成交即取消的指令（指委托经纪人以特定价位购进或售出一定数量的股票，否则指令就失效）◆The trade was carried out on a fill or kill basis. 这笔交易按不成交即取消的指令进行。◆to submit an FOK 提出不成交即取消的指令ⓘ The plural is usually fill or kill orders. 复数通常是 fill or kill orders。