Sou Hu Cai Jing·2025-05-28 09:52Core Viewpoint - As of May 28, the main contract of the CSI 500 Index futures closed at 2506, with a slight decrease of 0.26%, and a total trading volume of 62,200 contracts, reflecting a decrease of 12,800 contracts from the previous day [1][4]. Group 1: Trading Volume and Positions - The total trading volume for all contracts was 62,200 contracts, down by 12,800 contracts from the previous day [1][4]. - The top 20 positions showed a net short position with a difference of 2,628 contracts [1]. - The long positions in the top 20 seats totaled 151,200 contracts, a decrease of 4,468 contracts, while the short positions totaled 159,700 contracts, a decrease of 5,206 contracts [1][4]. Group 2: Major Players - The top three long positions were held by CITIC Futures (31,770 contracts), Guotai Junan (28,517 contracts), and Guotai Futures (11,253 contracts) [1][4]. - The top three short positions were also held by CITIC Futures (32,475 contracts), Guotai Junan (23,450 contracts), and Haitong Futures (15,405 contracts) [1][4]. Group 3: Changes in Positions - The top three long position increases were from Everbright Futures (1,254 contracts, up by 143), Guotai Futures (2,444 contracts, up by 122), and招商期货 (1,298 contracts, up by 21) [1]. - The top three long position decreases were from Haitong Futures (4,044 contracts, down by 1,185), Guotai Junan (12,920 contracts, down by 841), and Dongzheng Futures (5,316 contracts, down by 536) [1]. - The top three short position increases were from Huatai Futures (5,089 contracts, up by 103), Haizheng Futures (1,544 contracts, up by 34), and招商期货 (3,302 contracts, up by 33) [1].