【摘要】本文通过对上海证券市场所选样本股票52个月的周收益率进行计算，得到了样本股的β系数，并在此基础上对β系数在行业分布上的特征、稳定性以及在熊市牛市中的表现进行了研究。
Abstract Using the data of stock’s weekly return within the past 52 months in Shanghai Stock Market, this paper calculated the beta coefficient of sampled stocks, and based on these, analyzed its characteristic in different industries, stability, and manifestation in both bearish market and bullish market.
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