国际航协大会首次在华举办，航空航天ETF（159227）规模稳居同类第一，全市场军工含量最高

Core Viewpoint - The military industry sector shows resilience and vitality, with a clear rotation in various sub-sectors such as low-altitude economy, commercial aerospace, deep-sea technology, large aircraft, and military trade, indicating a solid long-term logic despite short-term market fluctuations [1]. Group 1: Market Performance - On October 17, major indices opened slightly lower and experienced a downward trend, with the military industry sector also declining slightly [1]. - The aerospace ETF (159227), which has the highest military content in the market, fell by 0.51%, with a latest scale of 1.328 billion yuan, maintaining its position as the leader in its category [1]. Group 2: Industry Insights - The International Air Transport Association's World Safety and Operations Conference was held in China for the first time, attracting over 800 representatives from nearly 70 countries and regions to discuss aviation safety, operational efficiency, and sustainable development in a changing risk environment [1]. - According to Zhonghang Securities, the military industry is expected to see rapid development from "1" to "100" during the 14th Five-Year Plan period, particularly in the "big military" sector, supported by policies, technology, and capital [1]. Group 3: ETF Overview - The aerospace ETF (159227) tracks the Guozheng Aerospace Index, which has a high concentration covering core companies in China's military industry, focusing on new business formats such as large aircraft and low-altitude economy [2]. - The military industry accounts for 98.2% of the index's composition, with a higher focus on aerospace and aviation equipment compared to other military indices, emphasizing the importance of air and space capabilities in modern warfare [2].