博云新材龙虎榜数据（12月26日）

Group 1 - The stock of Boyun New Materials closed flat today with a turnover rate of 37.02% and a trading volume of 2.71 billion yuan, showing a fluctuation of 10.90% [1] - Institutional investors net bought 56.66 million yuan, while brokerage seats collectively net sold 172 million yuan [1] - The stock was listed on the Dragon and Tiger list due to its turnover rate, with the top five trading departments accounting for a total transaction of 533 million yuan, where the buying amount was 209 million yuan and the selling amount was 324 million yuan, resulting in a net sell of 115 million yuan [1] Group 2 - In the past six months, the stock has appeared on the Dragon and Tiger list five times, with an average price drop of 0.35% the next day and an average drop of 9.84% over the following five days [2] - The stock experienced a net outflow of 230 million yuan in main funds today, with a significant outflow of 215 million yuan from large orders [2] - The latest margin trading data shows a total margin balance of 288 million yuan, with a financing balance of 288 million yuan and a securities lending balance of 617,000 yuan, indicating a recent increase in financing balance by 5.18 million yuan, or 1.84% [2]