Quantitative Trading,Investor Sentiment,and Market Volatility——An Emotional Analysis Based on Posts in the East Money Stock Forum
With the gradual improvement and maturation of China's capital market,there is a growing demand among market participants for efficient and scientific in-vestment methods,providing a broad space for the development of quantitative trading.In order to better understand the impact of quantitative trading on the secu-rities market,this paper studies the effects of quantitative trading on investor senti-ment and market volatility,with the aim of providing theoretical guidance for the steady development of China's capital market and the enhancement of investors'o-verall quality.Based on the theoretical logic of quantitative trading,investor senti-ment,and market volatility,this paper analyzes the relevant data of quantitative trading from January to September 2023 by using the event research method.The results of the study show that quantitative trading has a significant impact on the stock market.Quantitative trading has a certain degree of"smashing"effect,which in turn leads to investors'irrational behavior.There exist significant differences be-tween effects on different quantitative trading strategies.And significant differences in the impacts of quantitative trading are revealed according to whether the event stocks can be margined or not.Accordingly,this paper puts forward relevant sug-gestions for stabilizing the impact of quantitative trading on the securities market and safeguarding the interests of investors by strengthening supervision,enhancing the risk management capabilities of quantitative companies and improving the over-all quality of investors.
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