钢铁ETF：9月15日融资净买入97.82万元，连续3日累计净买入457.5万元

Core Viewpoint - The Steel ETF (515210) has shown a net inflow in financing activities, indicating increased investor interest in the steel sector, with a total net inflow of 97.82 million yuan on September 15, 2025, and a cumulative net inflow of 457.5 million yuan over the past three trading days [1]. Financing Activities - On September 15, 2025, the financing buy-in amounted to 10.4269 million yuan, while the financing repayment was 9.4487 million yuan, resulting in a net financing buy of 0.9782 million yuan [1]. - The financing balance reached 39.7795 million yuan on the same day, with 11 out of the last 20 trading days showing net financing inflows [1][2]. Margin Trading Activities - On September 15, 2025, there were 20,000 shares sold short, with 33,300 shares repaid, leading to a net short sale of 13,300 shares and a remaining short balance of 100,070 shares [2][3]. - In the last 20 trading days, there were 11 days with net short sales, indicating a trend of increased short selling activity [2][3]. Overall Margin Balance - The total margin balance reached 41.1995 million yuan on September 15, 2025, reflecting an increase of 2.36% from the previous day [4]. - The margin balance has shown fluctuations, with a notable increase of 9.19% on September 12, 2025, following a decrease of 8.71% on September 9, 2025 [4]. Regulatory Information - Individual investors participating in margin trading must meet two conditions: having at least six months of trading experience and maintaining an average account asset of 500,000 yuan over the last 20 trading days [5]. - The number of margin trading stocks on the Shanghai Stock Exchange is set to increase from 800 to 1,000, while the Shenzhen Stock Exchange will expand its eligible stocks from 800 to 1,200 [5].