芯片50ETF：10月28日融资净买入41.61万元，连续3日累计净买入482.09万元

Core Insights - The Chip 50 ETF (516920) experienced a net financing purchase of 41.61 million yuan on October 28, 2025, with a total financing balance of 924.19 million yuan, indicating a positive trend in investor sentiment towards the ETF [1][2]. Financing Activity Summary - On October 28, 2025, the net financing purchase was 41.61 million yuan, with a financing balance of 924.19 million yuan, reflecting a 4.71% increase from the previous day [2][3]. - Over the past three trading days, the cumulative net financing purchase reached 482.09 million yuan, with 12 out of the last 20 trading days showing net financing purchases [1]. - The financing balance increased significantly on October 27, 2025, by 387.76 million yuan, marking a 78.36% rise compared to the previous day [3]. Margin Trading Knowledge - Individual investors must meet two conditions to participate in margin trading: having at least six months of trading experience and maintaining an average account asset of 500,000 yuan over the previous 20 trading days [4]. - The number of margin trading stocks on the Shanghai Stock Exchange will increase from 800 to 1,000, while the Shenzhen Stock Exchange will expand its margin trading stocks from 800 to 1,200, excluding stocks under the registration system [4].