This article research mentality is the European option price key aspect is the final stock price distribution.

由于欧式股票期权定价的关键因素是最终股票价格分布。

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When we study stock market, we usually think that the model of stock price obeys Brownian movement, which log-return characterize normal distribution.

我们研究股票市场价格时，通常认为股票价格模型服从布朗运动，即对数收益率是正态分布的。

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The dividend policy is one of company significant finance decision-making and the announcement of listed company's dividend distribution plan will cause stock price undulating in second market.

股利政策是公司重大财务决策之一，上市公司的股利分配方案公布会引起二级市场股票价格的波动。

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About three years before the economic crisis hit, Wal-Mart began efforts to rejuvenate a tired brand and sagging stock price by quietly cutting distribution costs, cosmetically improving stores with brighter lighting and wider aisles and flexible scheduling of store workers to meet peak shopping hours.

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