全市场最“纯”军工，业绩大幅领跑，航空航天ETF（159227）聚焦空天国防

Group 1 - The A-share market indices continued to rise, with strong performance in sectors such as optical modules, optical chips, and semiconductors, while the aerospace ETF (159227) saw significant trading volume and price increases in its constituent stocks [1] - The aerospace ETF (159227) has attracted considerable attention since its launch in May, reaching a total size of 1.012 billion yuan, making it the largest aerospace ETF in the market [1] - The increasing importance of air power in modern warfare has led to a focus on aerospace equipment in military construction, with high technical barriers and significant value in the military industrial chain [1] Group 2 - Northeast Securities indicated that the military industry is poised for significant improvement due to the elimination of disruptive factors and a recovery in downstream demand, with clear long-term growth prospects [2] - The National Aerospace Index, tracked by the aerospace ETF (159227), has a high concentration of military stocks, covering the entire industrial chain from fighter jets to satellites, aligning with the strategic direction of "aerospace integration" [2] - The National Aerospace Index has outperformed other military indices, with a return of 62.45% from August 26, 2024, to August 26, 2025, surpassing the returns of other military indices [2]