当然，要想在到期前真正有利可图，该股票的交易价格必须高于58 1/2，也就是期权溢价（8-1/2）加上商定价格50。
To be profitable, though, at expiration, the stock must be trading for more than 58, the total of the option premium (8 1/2) and the strike price of 50.
期权买方需要支付溢价购买时的选择，这是非常远低于股票的价格。
Option buyer need to pay a premium when buying options, which is very much less than the stock prices.
如果在3个月内平均的风险溢价上升超过了执行价，期权的收益可以抵消高出来的利息支付。
If the average risk premium rises above the strike rate in three months, the higher interest payments will be offset by gains from the option.
在此理论基础上，平价期权比折价、溢价期权更能体现期权的激励效果，而且在股票市场大幅低于执行价格时，再定价对双方都是有利的。
On the base of this theory, at the money option is better than premium and discounted options; if the stock price below the exercise price, option price is benefit for company and executive.
在此理论基础上，平价期权比折价、溢价期权更能体现期权的激励效果，而且在股票市场大幅低于执行价格时，再定价对双方都是有利的。
On the base of this theory, at the money option is better than premium and discounted options; if the stock price below the exercise price, option price is benefit for company and executive.
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