1.the right to buy or sell property at an agreed price; the right is purchased and if it is not exercised by a stated date the money is forfeited
2.one of a number of things from which only one can be chosen;
what option did I have?
3.the act of choosing or selecting;
your choice of colors was unfortunate
期權(option)又稱為選擇權,是在期貨的基礎上產生的一種衍生性金融工具。從其本質上講,期權實質上是在金融領域中將權利和義務分開進行定價,使得權利的受讓人在規定時間內對于是否進行交易,行使其權利,而義務方必須履行。在期權的交易時,購買期權的一方稱作買方,而出售期權的一方則叫做賣方;買方即是權利的受讓人,而賣方則是必須履行買方行使權利的義務人。