Xin Lang Qi Huo·2025-06-30 08:39Summary of Key Points Core Viewpoint - The 30-year Treasury futures market shows a slight decline in the main contract, with a closing price of 2509 and a decrease of 0.43% as of June 30. The trading volume reached 90,800 contracts, with a net short position among the top 20 participants [1]. Group 1: Trading Volume and Positions - The total trading volume for all contracts was 97,400 contracts, an increase of 11,300 contracts from the previous day [1]. - Among the top 20 positions, long positions totaled 110,900 contracts, a decrease of 881 contracts, while short positions totaled 115,500 contracts, a decrease of 4,652 contracts [1]. Group 2: Major Participants - The top three long positions were held by CITIC Futures (total position 24,485), Guotai Junan (total position 17,479), and Dongzheng Futures (total position 11,657) [1]. - The top three short positions were held by Dongzheng Futures (total position 14,216), Galaxy Futures (total position 13,915), and CITIC Futures (total position 12,434) [1]. Group 3: Changes in Positions - The top three participants with increased long positions were CITIC Jiantou (holding 3,866, increased by 1,861), Ping An Futures (holding 4,033, increased by 959), and Guojin Futures (holding 2,866, increased by 560) [1]. - The top three participants with decreased long positions were CITIC Futures (holding 20,412, decreased by 1,687), Huatai Futures (holding 7,374, decreased by 759), and Guotai Junan (holding 14,052, decreased by 670) [1]. - The top three participants with increased short positions were Guotai Junan (holding 7,270, increased by 445), Guoxin Futures (holding 2,046, increased by 339), and Haitong Futures (holding 1,792, increased by 222) [1]. - The top three participants with decreased short positions were Dongzheng Futures (holding 13,364, decreased by 1,740), Baocheng Futures (holding 3,782, decreased by 982), and Ping An Futures (holding 4,378, decreased by 805) [1].