规模最大的化工ETF(159870)涨超1.3%，盘中净申购7.4亿份

Group 1 - The chemical industry is experiencing a significant upward trend, with the China Securities Subdivision Chemical Industry Theme Index (000813) rising by 1.45% as of August 21, 2025, and key stocks such as Zhongke Titanium White (002145) and Satellite Chemical (002648) seeing increases of 5.84% and 5.78% respectively [1] - The energy chemical sector has a substantial impact on the Producer Price Index (PPI), accounting for 25%-30% of its composition. The current negative PPI growth of -3.6% in July 2025 indicates that a rebound in energy chemical prices could be crucial for boosting overall industrial inflation [2] - The chemical industry is facing dual pressures of declining product prices and reduced capacity utilization, leading to a profit squeeze. By 2024, nearly 25% of chemical companies are projected to incur losses, with profits in the chemical raw materials and products manufacturing sector dropping by 9.0% year-on-year in the first half of 2025 [2] Group 2 - The supply-demand dynamics in the chemical sector are improving, with the current capital expenditure and fixed asset growth rates showing a downward trend since 2021. Demand is expected to gradually recover due to policy support for real estate stabilization and easing of tariffs between China and the U.S. [2] - The current price-to-book (PB) ratio for the chemical industry is 2.0, which is at the lower end of the range observed over the past decade. This suggests that stock prices may lead the fundamentals out of the cyclical bottom, indicating significant upside potential [2] - The China Securities Subdivision Chemical Industry Theme Index consists of seven sub-indices, including those for non-ferrous metals and machinery, and is designed to reflect the overall performance of listed companies in the chemical sector. As of July 31, 2025, the top ten weighted stocks in this index accounted for 43.54% of the total [3]