有擔保品之買權
covered call
(1)一個買入期權﹐它的賣者(或它的簽約人)擁有基礎證券(或者指一個買入期權﹐其預購股票價格等于或者小于賣出的那個買入期權的預購股票價格)﹐或者擁有一種可以轉換成基礎證券的證券。 (2)指一個買入期權﹐它的持有者已經賣空了優先證券。
(1) a call option, it's the seller (or its contractor) has the underlying security (or refer to a call option, the exercise price is equal to or less than that sold call option exercise price), or have a kind of underlying securities can be converted into securities. (2) refers to a call option, the holder of its preferred securities have been sold out.