Study On The Quantitative Investment Program Of Self-operation Business About QLS Securities Co., Ltd.

With the continuous development of China's securities market, the investment on securities becomes mature increasingly. A fund, trust, and a collection of assets on behalf of the securities investment plan for species continue to introduce new investment strategy. In spite of which attracts the attention of the investors, however, it still remains the fundamental guiding ideology and experience in the fundamentals of stock picking level through our careful analysis. As the growing number of securities in A-share market, on the one hand, it increases the difficulty of manager for stock selection. Investment performance, on the other hand, is interfered with the continuity and replicability. In recent years, quantitative investment technology which rises gradually is effective in solving these two issues. Its core idea is the product manager's investment philosophy can be specified with indicators, parameters of the design to reflect the specific model, so that model without any subjective emotional can track the market. By which the breadth and depth of investment have been greatly expanded. Because of its good and stable performance, Quantitative investment technology has been widespread concern.As the research object to quantitative portfolio of self-operation business about QLS Securities Co, Ltd, the paper elaborates the historical background on the implementation of quantitative investment and finds the problems such as subjective factors in the operation of the construction principle of quantitative investment, asset allocation technology and management through in-depth analysis and the paper makes a proposal of optimization quantitative investment program. In the new program, under the guidance of GARP, the stock picking focuses on the fundamentals. And as the basic theory single-index model and statistical theory are combined with the historical induction, comparison, and qualitative and quantitative methods and finally get a quantitative portfolio of new and effective border, and the asset allocation. Empirical research has been optimized by the program yield characteristics. Then the final conclusion is to come.At last, the paper summarizes the formation of the new program and concludes the paper's shortcomings. At the same time the paper gives an outlook on the prospect of the future study on quantitative investment so as to provide a solution with a reference on the Quantitative investment in securities companies, funds and trust and investment companies as QLS securities companies.