Analysis of Securities Companies based on Association Rules

As important reference information for investors, research reports released by securities companies contain earnings forecast and risk tips of listed companies. Investors can deepen their understanding of listed companies and improve the accuracy of investment decisions based on research reports of different securities companies. To explore the tracking of listed companies by securities companies, try to find out the selection rules, and enrich the related research of securities companies. A-share listed companies that exclude ST and financial industry in 2023 are selected, and securities companies that release research reports are taken as research objects. Based on the association rule of Apriori algorithm, securities companies are mined to explore the association relationship between different securities companies when selecting and tracking listed companies. Under the setting of minimum support and confidence thresholds, 12 strong association rules are shown.