10月9日 北交所全面落地920代码！

Group 1 - The Beijing Stock Exchange (BSE) announced the implementation of new stock codes for existing listed companies, set to take effect on October 9, 2025 [1] - A total of 248 existing stocks will switch to new codes, and the corresponding old-new code mapping can be found on the BSE's official website [1] - The BSE emphasized the importance of companies preparing adequately for the transition to minimize operational risks during the code switch [1]