智能汽车ETF：10月28日融资净买入444.13万元，连续3日累计净买入553.4万元

Group 1 - The core point of the news is the significant increase in net financing purchases for the Intelligent Automotive ETF (515250), which reached 444.13 million yuan on October 28, 2025, following a trend of continuous net buying over the past three trading days totaling 553.4 million yuan [1][2]. - The financing balance for the Intelligent Automotive ETF on October 28, 2025, was reported at 1,577.34 million yuan, indicating a growing interest from investors [1][2]. - The overall margin trading balance (financing and securities lending) increased to 1,652.38 million yuan, reflecting a rise of 36.71% compared to the previous day [3]. Group 2 - The net financing purchases for the previous trading days were as follows: 54.78 million yuan on October 27, 2025, and 54.49 million yuan on October 24, 2025, showing a consistent upward trend [2]. - On October 23, 2025, there was a net financing outflow of 115.65 million yuan, which was a decline compared to the previous days [2]. - The margin trading balance had fluctuated in the days leading up to October 28, with a notable increase from 1,208.69 million yuan on October 27, 2025, to 1,652.38 million yuan on October 28, 2025 [3].