7日豆油下跌0.93%，最新持仓变化

Summary of Key Points Core Viewpoint - The soybean oil futures market shows a slight decline in the main contract, with a net short position among the top 20 positions, indicating a bearish sentiment in the market [1]. Trading Volume and Positions - As of July 7, the main soybean oil contract (2509) closed at a decrease of 0.93%, with a trading volume of 308,500 contracts and total transactions across all contracts reaching 397,900 contracts, an increase of 13,000 contracts from the previous day [1]. - The top 20 positions show a total long position of 580,300 contracts, a decrease of 2,366 contracts, while the total short position is 648,500 contracts, a decrease of 503 contracts [1]. Major Players - The top three long positions are held by Guotai Junan (74,162 contracts), JPMorgan (59,288 contracts), and Yide Futures (55,582 contracts) [1]. - The top three short positions are held by COFCO Futures (154,190 contracts), Guotai Futures (88,504 contracts), and Dongzheng Futures (51,663 contracts) [1]. Changes in Positions - Among the top 20 positions, the largest increase in long positions was seen in Yide Futures (32,677 contracts, an increase of 5,405), Dongzheng Futures (19,818 contracts, an increase of 1,513), and Guotai Futures (22,992 contracts, an increase of 762) [1]. - The largest decrease in long positions was recorded by Guotai Junan (43,152 contracts, a decrease of 8,904), CITIC Futures (27,909 contracts, a decrease of 4,351), and JPMorgan (49,792 contracts, a decrease of 4,137) [1]. Short Position Changes - The largest increase in short positions was noted in Qiankun Futures (6,929 contracts, an increase of 3,390), Everbright Futures (6,789 contracts, an increase of 1,069), and Zhongjin Wealth (9,164 contracts, an increase of 439) [1]. - The largest decrease in short positions was seen in JPMorgan (16,281 contracts, a decrease of 4,458), Guotai Futures (54,656 contracts, a decrease of 4,247), and COFCO Futures (79,897 contracts, a decrease of 4,222) [1].