Both big systematic and non - systematic risks exist in chinese stock market 我国股市存在很大的系统性风险与非系统性风险。
In line with research achievements at home and abroad , two types of risks should be given due consideration in establishing measuring models : systematic risk and non - systematic risk , and full value measurement should be adopted 参考国内外人力资源价值计量的研究成果,在建立计量模型时应充分考虑两类风险,即系统风险和非系统风险,并采用完全价值计量法。
Thirdly , using thirty ( 30 ) samples stocks of shanghai thirty ( 30 ) indexes as the combination , the investment portfolio scale and the disperser risk degree , etc . , were examined , the strategy of investment portfolio in shanghai stock market was also put forward . the results indicate that : 1 ) the systematic risk proportion in the investment risk has obviously dropped , but the non - systematic risk proportion obviously has gone up . 2 ) the stock systematic risk is one but not the only fact affecting the stock income rate 结果表明:系统风险在投资风险中所占比重已明显下降,非系统风险所占比重明显上升;股票的系统风险是影响股票收益的一个因素,但不是影响股票收益率的唯一因素,非系统风险和总风险是影响股票预期收益的重要因素;股票的平均收益率与股票的系统风险存在正相关关系;在样本时限内,对上海股市进行投资组合确实能有效地降低风险,上海股市适度的组合规模为15 20只。
By utilizing the contemporary securities portfolio theory , this paper did a diagnosis description and comprehensive research of the shanghai stock market risk , as well as the investment portfolio . first of all , shanghai stock market " s risk constitution , and the ratio of the systematic risk and the non - systematic risk were introduced , some suggestion of risk management were also put forward . secondly , the risk and the income relations were analyzed 首先,分析了上海股市的风险构成,系统风险和非系统风险的比例,并根据上海股市的实际提出了风险管理的对策;其次,分析了风险与收益的关系;再次,以上海30指数的30只样本股为组合对投资组合的规模、分散风险的程度等作了研究,并提出上海股市投资组合的策略。