期权和实物期权理论辨析期权,又称选择权,是指在特定的日期或这个日期之前,持有人所享有的依照事先约定的价格买进或卖出某种特定的资产股票的权利。期权赋予投资者权利而不承担义务,投资者购买期权是为了能在未来对应资产价格发生有利变化时行使期权获利,有利变化的幅度越大, Option and Real Option Theory Option, also known as option, is the right of the holder to buy or sell a particular equity stock at a pre-agreed price on or before a specific date. Options give investors the rights without assuming obligations, and investors buy options in order to be able to exercise their rights and interests in the future when there is a favorable change in the asset price. The more the favorable changes,