空间科学发布硬核突破，航空航天ETF（159227）规模份额双创新高，全市场军工纯度最高

Core Viewpoint - The aerospace ETF (159227) is experiencing a slight decline but remains the largest in its category, with significant growth in its scale and shares, indicating strong investor interest in the aerospace sector [1][2]. Group 1: ETF Performance - As of November 27, the aerospace ETF (159227) has a slight decline of 0.09% with a trading volume of 0.75 billion yuan, maintaining its position as the top performer in its category [1]. - The ETF has reached a new high in scale at 20.57 billion yuan and a new high in shares at 1.846 billion, marking significant growth since its inception [1]. Group 2: Industry Developments - The Chinese Academy of Sciences has announced major scientific breakthroughs in space science, which are expected to enhance China's capabilities in space science and technology, contributing to the nation's goal of becoming a leading aerospace power [1]. - The focus on new equipment in the aerospace sector is anticipated to continue, with opportunities in hypersonic technology, unmanned equipment, and counter-unmanned systems [1]. Group 3: ETF Composition - The aerospace ETF (159227) tracks the Guozheng Aerospace Index, with a high military industry composition of 98.2%, covering a wide range of aerospace and defense sectors including fighter jets, transport aircraft, helicopters, and satellites [2].