n.票据交换所
Options trading is organized by a clearinghouse. 特权交易一般在票据交易大厅进行。
The biggest clearinghouse is the Options Clearing Corporation in the United States. 最大的票据交换所是联邦期权票据交换公司。
The clearinghouse informs every exchange member of their net settlement status. 清算所将每个交易所清算成员各自的净结算头寸通知他们.
