高德红外今日大宗交易折价成交22万股，成交额365.2万元

Group 1 - The core point of the news is that Gaode Infrared conducted a block trade on January 28, with a total of 220,000 shares traded at a price of 16.60 yuan, which is a discount of 9.09% compared to the market closing price of 18.26 yuan [1][2]. Group 2 - The transaction amount for the block trade was 3.652 million yuan, accounting for 0.28% of the total trading volume on that day [1][2]. - The buyer of the shares was CITIC Securities Co., Ltd., while the seller was Caifeng Securities Co., Ltd. [2].