短語詞組短語Covered Call Option 持?？礉q期權;期權covered put option writing 賣出有保護看跌期權covered call option writing 出售有保護看漲期權haha covered option 備兌期權covered option - 備covered option position 抵補期權頭寸covered or hedge option strategy 有保護或對沖期權策略 返回 covered option