国泰海通今日大宗交易平价成交228.13万股，成交额4647.01万元

Group 1 - On January 15, Guotai Haitong executed a block trade of 2.2813 million shares, with a transaction value of 46.4701 million yuan, accounting for 2.08% of the total trading volume for the day [1] - The transaction price was 20.37 yuan, which remained stable compared to the market closing price of 20.37 yuan [1] - The block trade involved multiple brokerage firms, with notable buy-side participation from CITIC Securities [2]