广东出台21条措施支持商业航天，“含航量”最高的航空航天ETF天弘（159241）昨日获净流入，机构：国内拥有万亿蓝海市场

Core Viewpoint - The A-share market is experiencing a decline, particularly in the aerospace sector, while the commercial aerospace market in China is identified as a significant growth opportunity with a projected increase in investment potential [1][2]. Group 1: Market Performance - On August 20, the three major A-share indices opened lower, with the National Aerospace Industry Index (CN5082.SZ) dropping by 0.41% [1]. - Among the index constituents, Hai Te Gao Xin and Nei Meng Yi Ji saw an increase of nearly 1%, while Guang Qi Technology, Aerospace Electronics, and Chang Cheng Military Industry rose by 0.58%, 0.46%, and 0.34% respectively [1]. - The Tianhong Aerospace ETF (159241) fell by 0.66% as of the report, but had a net inflow of 4.859 million yuan on the previous trading day [1]. Group 2: Investment Opportunities - The Tianhong Aerospace ETF closely tracks the National Aerospace Index, which has over 98% weight in the defense and military industry, making it the highest military content index in the market [2]. - The index focuses on key areas of the aerospace equipment industry chain, particularly in large aircraft manufacturing, low-altitude economy, and commercial aerospace [2]. - The global commercial aerospace market is projected to reach approximately $480.3 billion in 2024, accounting for 78% of the global aerospace economy, indicating a vast market space [2]. - China's commercial aerospace market has grown rapidly from 376.4 billion yuan in 2015 to 1.2447 trillion yuan in 2021, with a compound annual growth rate of nearly 20% [2]. - The domestic commercial aerospace sector is expected to produce local leaders with valuations in the hundreds of billions or even trillions, similar to the growth seen in SpaceX [2].