This study employs statistical analysis,hypothesis testing,and regression modeling to delve into the char-acteristics of opening price spreads and gap phenomena in the stock indices of Chinese mainland stock market based on his-torical data.It rigorously tests related hypotheses.The findings reveal a significant correlation between the directionality of price gaps and the fluctuation range of opening price spreads with certain key market characteristics.Moreover,the gap phenomena have a significant impact on the daily volume and turnover rate changes.Additionally,the effectiveness of u-sing opening price spread as a stock selection factor was validated through back-testing.This research offers a new perspec-tive on understanding stock market behavior,holding significant implications for investment decisions and market analysis.
维普
万方数据