净申购17.7亿份，规模最大的化工ETF(159870)刷新单日最大申购额

Group 1 - The chemical sector is experiencing a strong rally, with the China Securities Subdivision Chemical Industry Theme Index (000813) rising by 1.15% as of August 25, 2025, and individual stocks such as Sanmei Co., Ltd. (603379) increasing by 10.00% [1] - The chemical ETF (159870) has seen a 1.05% increase, marking its fourth consecutive rise, with a latest price of 0.67 yuan and a net subscription of 1.73 billion units during the trading session [1] - The chemical sector has been identified as having configuration opportunities, with the basic chemical index experiencing a cumulative decline of 59.5% from its peak of 9565.18 points in September 2021 to a low of 3876.11 points in February 2024 [1] Group 2 - As of July 31, 2025, the chemical ETF (159870) has a scale exceeding 7.4 billion yuan, ranking first among similar products [2] - The China Securities Subdivision Chemical Industry Theme Index (000813) consists of seven sub-indices, which include large and liquid listed companies to reflect the overall performance of the related sub-industries [2] - The top ten weighted stocks in the chemical index account for 43.54% of the index, with notable companies including Wanhua Chemical (600309) and Yalake Co., Ltd. (000792) [2]