期權買方
holder
(1)擁有一種股票或債券或其它有價證券的個人或集團。(2)買下契約的期權客戶，該契約使他在一給定時期?和預先確定的價格水平上，具有買入或賣出附屬股票的權利。
(1) possess a stock or bonds or other securities of individuals or groups. (2) the option to buy contract customers, which made him a contract to the price level and timing of pre-determined period, the subsidiary has the right to buy or sell stock.