中金:恒生与港股通三季度调整影响分析
中金点睛·2025-11-23 23:39

Core Viewpoint - The article discusses the quarterly index adjustments announced by the Hang Seng Index Company, which includes changes to major indices such as the Hang Seng Index, the Hang Seng China Enterprises Index, and the Hang Seng Tech Index, impacting the investment landscape for investors [2][3]. Index Adjustments - The Hang Seng Index includes the addition of Innovent Biologics with a weight of 0.91%, increasing the total number of constituent stocks to 89 without any removals [3]. - The Hang Seng China Enterprises Index adds Yum China, Innovent Biologics, and China Hongqiao with weights of 1.30%, 1.21%, and 0.91% respectively, while removing New Hope Liuhe, New Oriental Education, and Haidilao, maintaining a total of 50 stocks [3]. - The Hang Seng Tech Index includes Li Auto with a weight of 0.98%, while ASMPT is removed, keeping the total at 30 stocks [3]. Fund Flow Analysis - Estimated passive fund inflows for the Hang Seng Index include approximately $266 million for Innovent Biologics, with a trading time of about 1.3 days. Potential outflows from HSBC Holdings and China Construction Bank could reach $155 million and $146 million respectively [4]. - For the Hang Seng China Enterprises Index, expected inflows are $9.186 million for Yum China, $9.870 million for Innovent Biologics, and $6.909 million for China Hongqiao, with respective trading times of 3.0 days, 0.5 days, and 0.4 days [5]. - The Hang Seng Tech Index anticipates inflows of $320 million for Li Auto, with a trading time of approximately 5.7 days, while outflows from ASMPT could reach $220 million [5]. Hong Kong Stock Connect Adjustments - Four stocks are expected to meet the criteria for inclusion in the Hong Kong Stock Connect, with specific conditions for stocks like Hesai Technology and Geek+ due to their dual-class share structure [6][7]. Index Characteristics Post-Adjustment - The healthcare and industrial sectors see an increase in their representation within the Hang Seng Index, while financial and consumer sectors experience a decline [8][9]. - The coverage of the healthcare sector rises from 34.5% to 40.0%, while the new economy market capitalization remains stable at 51.5% [9][10]. Expected Market Reactions - The adjustments will take effect on December 8, with expectations of increased trading volumes, particularly on December 5, as passive funds realign their portfolios to minimize tracking errors [10].