股指期货持仓日度跟踪-20250819

Group 1: Report's Investment Rating - No information about the industry investment rating is provided in the report. Group 2: Core Views - The report provides a daily tracking of the positions of stock index futures, including IF, IH, IC, and IM. It shows the changes in total positions and the significant changes in the top 20 seats for each type of futures on August 18, 2025 [1]. Group 3: Summary According to the Directory IF (CSI 300) - Total position significantly increased, with a rise of 15,159 hands on August 18, and the position of the main contract 2509 increased by 1,852 hands. Guojun (Guotai Junan Futures) added more than 2,000 hands to both long and short positions [1][4]. - Among the top 20 long - position seats, Guotai Junan Futures ranked first with a total position of 46,087 hands. Guotai Junan Futures had the most long - position increase (2,686 hands), and Shenyin Wanguo Futures had the most long - position decrease (445 hands) [5]. - Among the top 20 short - position seats, CITIC Futures ranked first with a total position of 46,929 hands. Guotai Junan Futures had the most short - position increase (3,430 hands), and CITIC Construction Investment Futures had the most short - position decrease (663 hands) [7]. IH (SSE 50) - Total position slightly increased, rising by 7,111 hands on August 18, and the position of the main contract 2509 increased by 3,527 hands. CITIC added more than 1,000 hands to short positions [1][10]. - Among the top 20 long - position seats, Guotai Junan Futures ranked first with a total position of 12,884 hands. Guotai Junan Futures had the most long - position increase (767 hands), and Huatai Futures had the most long - position decrease (293 hands) [10]. - Among the top 20 short - position seats, CITIC Futures ranked first with a total position of 19,231 hands. CITIC Futures had the most short - position increase (1,785 hands), and Hongyuan Futures had the most short - position decrease (162 hands) [11]. IC (CSI 500) - Total position slightly increased, rising by 3,557 hands on August 18, while the position of the main contract 2509 decreased by 4,302 hands. Guojun and CITIC respectively increased and decreased short positions by more than 1,000 hands [1][15]. - Among the top 20 long - position seats, CITIC Futures ranked first with a total position of 36,776 hands. Huatai Futures had the most long - position increase (788 hands), and Guotai Junan Futures had the most long - position decrease (789 hands) [16]. - Among the top 20 short - position seats, CITIC Futures ranked first with a total position of 40,599 hands. Guotai Junan Futures had the most short - position increase (1,196 hands), and CITIC Futures had the most short - position decrease (1,602 hands) [17]. IM (CSI 1000) - Total position significantly increased, rising by 26,482 hands on August 18, and the position of the main contract 2509 increased by 2,215 hands. CITIC added more than 6,000 hands to both long and short positions [1][22]. - Among the top 20 long - position seats, Guotai Junan Futures ranked first with a total position of 49,842 hands. CITIC Futures had the most long - position increase (7,100 hands), and Guotou Futures had the most long - position decrease (258 hands) [22][23]. - Among the top 20 short - position seats, CITIC Futures ranked first with a total position of 81,498 hands. CITIC Futures had the most short - position increase (7,336 hands), and Bank of China Futures had the most short - position decrease (666 hands) [25].