Sou Hu Cai Jing·2025-04-29 10:47Core Insights - The main contract of the CSI 500 Index futures closed at 2506 with a decrease of 0.52% as of April 28, 2025, with a trading volume of 37,100 contracts and a net short position among the top 20 positions of 4,101 contracts [1][3] Trading Volume and Positions - Total trading volume for all contracts was 68,000 contracts, a decrease of 12,900 contracts from the previous day [1] - Among the top 20 positions, long positions totaled 148,200 contracts, down by 4,058 contracts, while short positions totaled 157,400 contracts, down by 4,348 contracts [1][4] Major Players - The top three long positions were held by CITIC Futures with a total of 31,873 contracts, Guotai Junan with 24,800 contracts, and Haitong Futures with 13,541 contracts [1][4] - The top three short positions were also held by CITIC Futures with 35,784 contracts, Guotai Junan with 21,774 contracts, and Haitong Futures with 14,260 contracts [1][4] Changes in Positions - The top three increases in long positions were from Dongzheng Futures (5,286 contracts, up by 177), Huatai Futures (2,689 contracts, up by 120), and Guoxin Futures (1,646 contracts, up by 110) [1] - The top three decreases in long positions were from Guotai Junan (14,817 contracts, down by 889), Guotou Futures (4,889 contracts, down by 449), and Haitong Futures (4,014 contracts, down by 138) [1] - The top three increases in short positions were from GF Futures (2,322 contracts, up by 77), Guoxin Futures (2,412 contracts, up by 74), and招商期货 (2,559 contracts, up by 62) [1] - The top three decreases in short positions were from Guotai Junan (9,833 contracts, down by 1,079), Haitong Futures (5,886 contracts, down by 330), and CITIC Futures (19,175 contracts, down by 310) [1]