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一、期权理论简介。期权赋予持有人在给定日期或该日期之前的任何时间以固定价格购进或售出一种资产的权利。期权基本上分为两种,一足看涨期权和看跌期权,另一种是欧式期权和美式期权。期权具有几个特点:1.给予期权所有者权利。期权持有者有权利但没有义务去购买某样东西。而期权的最初出售者却有义务或责任只能把标的物卖给期权持有者而不能卖给其他人。2.期权在一定的时期内有效。超出一定的时期,这一权利就视为失效或认为放弃。3.投资者获得一份期权合约必须支付期权费。
First, the theory of options. An option entitles the holder to buy or sell an asset at a fixed price at any time prior to or on that date. There are basically two options, one full call and put, the other European and American options. Options have several characteristics: 1. Give the rights of the owner of the option. The option holder has the right but no obligation to buy something. However, the original seller of the option has an obligation or liability to sell the underlying object only to the option holder and not to others. The option is valid for a certain period of time. Beyond a certain period of time, this right is regarded as invalid or considered to give up. 3. The investor must pay the option fee to get an option contract.