北交所策略专题报告：开源证券北交所机构化浪潮引领生态重构，“920代码”切换赋能市场活力

Group 1 - The report highlights that the North Exchange (北交所) has seen a significant institutional preference trend, with the North Index 50 and the North Specialized and Innovative Index reaching historical highs of 1647.01 and 2806.39 points respectively as of September 8, 2025 [2][10][43] - The report indicates that large-cap stocks have outperformed small-cap stocks during the recent market rally, with average gains for different market cap segments showing that stocks over 10 billion have increased by 18.75% [2][12][50] - The report notes that public funds' total holdings in the North Exchange reached a historical high of 22.383 billion yuan, reflecting a year-on-year increase of 265.24% [2][17][19] Group 2 - The report states that the North Exchange has seen a rise in the number and scale of passive index funds, with the North Index 50 fund size reaching 11.322 billion yuan and the number of products increasing to 60 as of September 12, 2025 [2][23][24] - The report mentions that the North Exchange will implement a new securities code "920" for existing stocks starting October 9, 2025, which is expected to enhance market recognition and attract high-quality enterprises [2][29][31] - The report identifies that the average PE ratios for key sectors such as high-end equipment, information technology, and chemical new materials are 45.18X, 109.68X, and 50.59X respectively, indicating varying levels of valuation across industries [2][51][54]