新华财经香港8月20日电（记者林迎楠、王茜）沪深股通平均每日成交金额达人民币1713亿元，同比上 升32%。香港交易所20日公布中期业绩，业内人士表示，这很大程度上得益于沪深港通互联互通机制的 笃行不怠，特别是南向资金的持续流入，对港股市场形成稳定而有力的支撑。 随着内地资本寻求多元化投资渠道，内地投资者的离岸市场参与度不断提高，带动港股通2025年上半年 平均每日成交金额达1110亿港元，是2024年上半年的近3倍，占2025年上半年现货市场成交量的23%。 "香港交易所今年开局良好，上半年收入及溢利均创下集团半年度历史新高。现货市场、衍生产品市场 及沪深港通的成交量均创半年新高，新股市场融资额重回全球交易所榜首。"香港交易所集团行政总裁 陈翊庭表示。 亮眼成绩背后是机制的护航。香港经济学家、丝路智谷研究院院长梁海明认为，互联互通机制使内地投 资者能够更便捷地配置港股资产，尤其在当前港股估值相对较低、部分蓝筹具备高股息优势的背景下， 对中长期资金具有较大吸引力。 万得数据显示，今年以来，南向资金加速流入港股。南向资金在本月15日成交净买入358.76亿港元，单 日净买入金额创历史新高。截至8月19日，今年以 ...

Core Insights - The average daily trading volume of the Shanghai-Hong Kong Stock Connect has reached RMB 171.3 billion, a year-on-year increase of 32% [1] - The Hong Kong Stock Exchange reported record half-year revenue and profit, driven by the robust performance of the stock connect mechanism and sustained inflow of southbound funds [1][3] - Southbound funds have accelerated their inflow into Hong Kong stocks, with a net purchase of HKD 35.876 billion on August 15, marking a historical single-day high [2] Group 1: Market Performance - The average daily trading volume of the Hong Kong Stock Connect for the first half of 2025 reached HKD 111 billion, nearly three times that of the first half of 2024, accounting for 23% of the spot market trading volume [1] - The average daily trading volume of the Hong Kong Stock Exchange's securities market for the first half of 2025 was HKD 240.2 billion, a year-on-year increase of 118% [3] - The revenue and other income of the Hong Kong Stock Exchange for the first half of the year was HKD 14.076 billion, a year-on-year increase of 33%, setting a record for half-year performance [3] Group 2: Investment Trends - The influx of southbound funds is changing the capital structure and participant composition of the Hong Kong stock market, with more long-term institutional investors becoming key players [2] - The current low valuation of Hong Kong stocks and the high dividend yield of certain blue-chip stocks are attracting mainland investors, making the market appealing for long-term capital [1][2] - The plan to include RMB-denominated stocks in the Hong Kong Stock Connect aims to deepen the interconnectivity between Hong Kong and mainland markets [3]