4日低硫燃料油下跌2.84%，最新持仓变化

Core Insights - The low-sulfur fuel oil futures contract 2510 experienced a decline of 2.84% as of the close on August 4, with a trading volume of 109,200 contracts and a net short position of 2,225 contracts among the top 20 positions [1][3]. Trading Volume and Positions - Total trading volume for all low-sulfur fuel oil contracts reached 169,000 contracts, an increase of 43,600 contracts from the previous day [1][4]. - Among the top 20 positions, long positions totaled 44,500 contracts, an increase of 1,392 contracts, while short positions totaled 41,800 contracts, a decrease of 2,169 contracts [1][4]. Major Players - The top three long positions were held by Guotai Junan with a total position of 7,658 contracts, Dongzheng Futures with 4,982 contracts, and CITIC Futures with 3,690 contracts [1][3]. - The top three short positions were also led by Guotai Junan with 7,646 contracts, CITIC Futures with 4,290 contracts, and Yong'an Futures with 3,363 contracts [1][3]. Changes in Positions - The top three increases in long positions were from Guotai Junan (2,569 contracts), Galaxy Futures (767 contracts), and Huishang Futures (385 contracts) [1][3]. - The top three decreases in long positions were from Qiankun Futures (-996 contracts), Haizheng Futures (-461 contracts), and Nanhua Futures (-257 contracts) [1][3]. - The top three increases in short positions were from Morgan Stanley (654 contracts), Haizheng Futures (387 contracts), and Zhongrong Huixin (335 contracts) [1][3]. - The top three decreases in short positions were from CITIC Futures (-775 contracts), Dongzheng Futures (-758 contracts), and Guotai Junan (-635 contracts) [1][3].