Sou Hu Cai Jing·2025-07-28 10:51Group 1 - The core viewpoint of the article indicates that as of July 28, the main contract for zinc futures (沪锌2509) experienced a slight decline of 0.88% with a trading volume of 193,100 contracts and a net long position of 9,241 contracts among the top 20 positions [1] - Total trading volume for all zinc futures contracts reached 289,800 contracts, an increase of 67,400 contracts compared to the previous day [1] - Among the top 20 positions, long positions totaled 146,900 contracts, a decrease of 7,337 contracts, while short positions totaled 131,300 contracts, a decrease of 641 contracts [1] Group 2 - The top three long positions were held by CITIC Futures with a total holding of 38,615 contracts, Guotai Junan with 13,311 contracts, and Dongzheng Futures with 12,230 contracts [1] - The top three short positions were held by CITIC Futures with 21,440 contracts, Guotai Junan with 9,979 contracts, and Zhongtai Futures with 7,192 contracts [1] - The top three long position increases were from Guoxin Futures (holding 2,648 contracts, increased by 1,310), Huawen Futures (holding 3,157 contracts, increased by 1,095), and Everbright Futures (holding 3,106 contracts, increased by 871) [1]