Core Viewpoint - The Beijing Stock Exchange (BSE) will switch to a new securities code (920) for all existing stocks starting from October 9, 2025, enhancing its independent market status and improving stock identification [1][2][5]. Group 1: Code Switching Details - The BSE will implement the new 920 code for 248 existing stocks, with a complete transition plan already in place [2][3]. - The transition to the new code has been in preparation for two years, following the China Securities Regulatory Commission's directive to enhance stock identification [2][3]. - The new code will not affect trading rules, and investors can still access complete trading records using both old and new codes [1][5]. Group 2: Impact on Investors - The continuity of the stock's identity and investor rights will remain intact post-code switch, with historical trading information displayed under the new code [5][6]. - Investors will need to upgrade their trading platforms to support the new code, and brokers will ensure that both old and new codes can be used for trading and record queries [5][6]. - The first trading day after the switch will reflect the previous closing price under the old code, ensuring a seamless transition for investors [5]. Group 3: Broker Responses - Multiple brokerage firms have issued notices to investors regarding the code switch, advising them to use the new code for transactions and queries starting October 9, 2025 [6]. - Brokers have completed the necessary updates to their trading terminals and are encouraging clients to upgrade their applications for optimal functionality [6].

Core Points - The Beijing Stock Exchange (BSE) has officially entered the "920" era with the code switching of six listed companies, enhancing stock identification and reflecting its status as the third national securities exchange [2][3][6] - The code switching initiative aims to unify the previously scattered stock codes and improve the recognition of listed companies, facilitating investor searches and transactions [3][5] Group 1: Code Switching Implementation - Six companies, including YingTai Bio and AiRong Software, have begun using the new 920 codes as a pilot starting May 6 [3][4] - The BSE plans to gradually switch the codes of the remaining 242 listed companies, which previously used codes starting with 43, 83, and 87 [3][5] - The transition to the 920 code segment is part of a broader effort to enhance the BSE's market identity and align with its focus on innovative small and medium enterprises [5][6] Group 2: Technical Aspects of Code Switching - The new code format will maintain the last three digits of the existing codes, while the first three digits will be standardized to 920 [8] - In cases of code duplication after the switch, the fourth digit will be adjusted sequentially based on the listing date to ensure uniqueness [8] - Historical trading data and market information will remain accessible under both the old and new codes, ensuring continuity for investors [10][11]