4日上证50指数期货上涨0.16%，最新持仓变化

Summary of Key Points Core Viewpoint - The trading data for the Shanghai Stock Exchange 50 Index futures as of June 4 indicates a slight increase in the main contract price, with a net short position among the top 20 positions, suggesting a bearish sentiment in the market [1][2]. Group 1: Trading Data - The main contract for the Shanghai Stock Exchange 50 Index futures closed at 2506, with a change of +0.16% and a total trading volume of 32,000 contracts, a decrease of 8,162 contracts from the previous day [1]. - The total open interest for all contracts was 49,084 contracts, down by 3,146 contracts compared to the previous day [4]. Group 2: Positioning Analysis - Among the top 20 positions, the long positions totaled 50,400 contracts, a decrease of 3,098 contracts, while the short positions totaled 62,300 contracts, a decrease of 2,549 contracts [1]. - The top three long positions were held by Guotai Junan (8,697 contracts), CITIC Futures (6,890 contracts), and Dongzheng Futures (4,030 contracts) [1]. - The top three short positions were held by Guotai Junan (10,147 contracts), GF Futures (9,355 contracts), and CITIC Futures (9,330 contracts) [1]. Group 3: Changes in Positions - The top three increases in long positions were from GF Futures (1,476 contracts, +278), Haitong Futures (2,186 contracts, +185), and Huawen Futures (635 contracts, +138) [1]. - The top three decreases in long positions were from Guotai Junan (6,719 contracts, -1,131), CITIC Futures (5,229 contracts, -1,040), and Guoxin Futures (1,451 contracts, -496) [1]. - The top three increases in short positions were from GF Futures (6,242 contracts, +659), Haitong Futures (3,178 contracts, +552), and Zhongjin Futures (2,224 contracts, +283) [1].