Xin Lang Qi Huo·2025-05-16 08:28Core Insights - The main contract of the Shanghai Stock Exchange 50 Index futures closed at 2506, with a decrease of 1.01% as of May 16, 2025, and a trading volume of 35,500 contracts, indicating a net short position among the top 20 positions with a difference of 5,800 contracts [1][3]. Group 1: Trading Volume and Positions - The total trading volume for all contracts of the Shanghai Stock Exchange 50 Index futures was 53,500 contracts, a decrease of 1,887 contracts from the previous day [1][4]. - The top 20 positions showed a long position of 55,200 contracts, down by 3,307 contracts, and a short position of 66,000 contracts, down by 3,319 contracts [1][4]. Group 2: Major Players in Long and Short Positions - The top three long positions were held by Guotai Junan with a total holding of 9,623 contracts, CITIC Futures with 8,607 contracts, and Dongzheng Futures with 3,963 contracts [1][3]. - The top three short positions were held by Guotai Junan with 12,951 contracts, CITIC Futures with 9,294 contracts, and GF Futures with 6,907 contracts [1][3]. Group 3: Changes in Positions - Among the top 20 positions, the largest increase in long positions was seen in Haitong Futures with an increase of 537 contracts, CITIC Jiantou with an increase of 338 contracts, and Hongyuan Futures with an increase of 179 contracts [1][3]. - The largest decrease in long positions was recorded by Guotai Junan with a decrease of 493 contracts, CITIC Futures with a decrease of 441 contracts, and Galaxy Futures with a decrease of 243 contracts [1][3]. - For short positions, the largest increase was in Haitong Futures with an increase of 571 contracts, followed by Shenyin Wanguo with an increase of 171 contracts, and Huatai Futures with an increase of 159 contracts [1][3].