Report Overview - Date: November 4, 2025 [4][6][12][17][25] - Source: GF Futures Research Institute [1] - Contact: Ye Qianning, Tel: 020 - 88818051, Email: yeqianning@gf.com.cn [4] Investment Rating - No investment rating for the industry is provided in the report. Core Views - The report provides a daily tracking of the positions of stock index futures, including IF, IH, IC, and IM. The total positions of IF and IH decreased slightly, IC remained stable, and IM increased slightly. The top 20 seats had mixed changes in positions for IF and IH, while for IC, CITIC increased long positions by over 1000 lots, and for IM, Zhongtai increased both long and short positions by over 1000 lots [1]. Summary by Variety IF (CSI 300) - **Total Positions and Main Contract Positions**: On November 3, the total positions of the IF variety decreased by 1034 lots, and the positions of the main contract 2512 decreased by 2684 lots [6]. - **Top 20 Long Seats**: Guotai Junan Futures ranked first with a total of 39049 lots. Yide Futures had the most long - position increase (1626 lots), and CITIC Construction Investment Futures had the most long - position decrease (1006 lots) [7]. - **Top 20 Short Seats**: CITIC Futures ranked first with a total of 44731 lots. Guotou Futures had the most short - position increase (635 lots), and CITIC Construction Investment Futures had the most short - position decrease (781 lots) [9]. IH (SSE 50) - **Total Positions and Main Contract Positions**: On November 3, the total positions of the IH variety decreased by 2629 lots, and the positions of the main contract 2512 decreased by 2422 lots [12]. - **Top 20 Long Seats**: Guotai Junan Futures ranked first with a total of 12621 lots. CITIC Futures had the most long - position increase (343 lots), and Dongzheng Futures had the most long - position decrease (706 lots) [12]. - **Top 20 Short Seats**: CITIC Futures ranked first with a total of 15049 lots. CITIC Futures had the most short - position increase (868 lots), and Guotai Junan Futures had the most short - position decrease (945 lots) [13]. IC (CSI 500) - **Total Positions and Main Contract Positions**: On November 3, the total positions of the IC variety decreased by 5746 lots, and the positions of the main contract 2512 decreased by 2520 lots [19]. - **Top 20 Long Seats**: Guotai Junan Futures ranked first with a total of 37755 lots. CITIC Futures had the most long - position increase (1656 lots), and Haitong Futures had the most long - position decrease (590 lots) [20]. - **Top 20 Short Seats**: CITIC Futures ranked first with a total of 42722 lots. Dongzheng Futures had the most short - position increase (575 lots), and Everbright Futures had the most short - position decrease (422 lots) [22]. IM (CSI 1000) - **Total Positions and Main Contract Positions**: On November 3, the total positions of the IM variety increased by 556 lots, and the positions of the main contract 2509 decreased by 1656 lots [25]. - **Top 20 Long Seats**: Guotai Junan Futures ranked first with a total of 52586 lots. Zhongtai Futures had the most long - position increase (1400 lots), and CITIC Futures had the most long - position decrease (714 lots) [25]. - **Top 20 Short Seats**: CITIC Futures ranked first with a total of 73192 lots. Zhongtai Futures had the most short - position increase (1081 lots), and CITIC Futures had the most short - position decrease (439 lots) [27].

Report Summary 1. Report Industry Investment Rating No relevant information provided in the report. 2. Core Viewpoints - The report provides a daily tracking of the positions of stock index futures, including IF, IH, IC, and IM. Each variety shows different trends in total positions and changes in the top 20 seats [1]. 3. Summary by Variety IF (CSI 300) - **Total Position and Main Contract Position Change**: On October 31, the total position of the IF variety increased by 397 hands, while the position of the main contract 2512 decreased by 390 hands [5]. - **Top 20 Long - Position Seats**: Guotai Junan Futures ranked first with a total long - position of 39,908 hands. CITIC Construction Investment Futures had the most long - position increase (1,063 hands), and Guotai Junan Futures had the most long - position decrease (1,674 hands) [6]. - **Top 20 Short - Position Seats**: CITIC Futures ranked first with a total short - position of 44,636 hands. GF Futures had the most short - position increase (979 hands), and CITIC Futures had the most short - position decrease (1,383 hands) [8]. IH (SSE 50) - **Total Position and Main Contract Position Change**: On October 31, the total position of the IH variety decreased by 2,436 hands, and the position of the main contract 2512 decreased by 2,898 hands [11]. - **Top 20 Long - Position Seats**: Guotai Junan Futures ranked first with a total long - position of 13,239 hands. Everbright Futures had the most long - position increase (371 hands), and CITIC Futures had the most long - position decrease (1,366 hands) [12]. - **Top 20 Short - Position Seats**: CITIC Futures ranked first with a total short - position of 14,181 hands. Everbright Futures had the most short - position increase (1,006 hands), and CITIC Futures had the most short - position decrease (1,668 hands) [13]. IC (CSI 500) - **Total Position and Main Contract Position Change**: On October 31, the total position of the IC variety decreased by 5,746 hands, and the position of the main contract 2512 decreased by 2,520 hands [18]. - **Top 20 Long - Position Seats**: Guotai Junan Futures ranked first with a total long - position of 37,447 hands. SDIC Futures had the most long - position increase (300 hands), and Guotai Junan Futures had the most long - position decrease (3,710 hands) [19]. - **Top 20 Short - Position Seats**: CITIC Futures ranked first with a total short - position of 42,869 hands. Bank of China Futures had the most short - position increase (555 hands), and Guotai Junan Futures had the most short - position decrease (2,668 hands) [21]. IM (CSI 1000) - **Total Position and Main Contract Position Change**: On October 31, the total position of the IM variety decreased by 6,696 hands, and the position of the main contract 2509 decreased by 3,849 hands [24]. - **Top 20 Long - Position Seats**: Guotai Junan Futures ranked first with a total long - position of 52,305 hands. Galaxy Futures had the most long - position increase (757 hands), and Guotai Junan Futures had the most long - position decrease (1,726 hands) [24]. - **Top 20 Short - Position Seats**: CITIC Futures ranked first with a total short - position of 73,631 hands. UBS Futures had the most short - position increase (1,578 hands), and Guotai Junan Futures had the most short - position decrease (1,443 hands) [25].

Report Summary 1. Report Industry Investment Rating - Not provided in the given content 2. Core View of the Report - The report provides a daily tracking of the positions of stock index futures, including IF, IH, IC, and IM. It shows that on October 30, 2025, the total positions of all four types of stock - index futures increased, with significant increases in IF and IM, and obvious increases in IH and IC. There were also notable position - adding actions by major institutions such as Citic and Guotai Junan in different varieties [1][4][10][15][21] 3. Summary by Related Catalogs IF (CSI 300) - **Total Position and Main Contract Position Changes**: On October 30, the total position of the IF variety increased by 12,176 lots, and the position of the main contract 2512 increased by 4,614 lots [4] - **Top Twenty Long - Position Seats**: Guotai Junan Futures ranked first with a total long - position of 40,839 lots. Guotai Junan Futures added the most long - positions, with an intraday increase of 2,779 lots, while CITIC Construction Investment Futures reduced the most long - positions, with an intraday decrease of 739 lots [5] - **Top Twenty Short - Position Seats**: CITIC Futures ranked first with a total short - position of 45,042 lots. CITIC Futures added the most short - positions, with an intraday increase of 2,795 lots, while CITIC Construction Investment Futures reduced the most short - positions, with an intraday decrease of 787 lots [7] IH (SSE 50) - **Total Position and Main Contract Position Changes**: On October 30, the total position of the IH variety increased by 7,069 lots, and the position of the main contract 2512 increased by 4,259 lots [10] - **Top Twenty Long - Position Seats**: Guotai Junan Futures ranked first with a total long - position of 13,861 lots. Guotai Junan Futures added the most long - positions, with an intraday increase of 1,810 lots, while Nanhua Futures reduced the most long - positions, with an intraday decrease of 168 lots [10] - **Top Twenty Short - Position Seats**: CITIC Futures ranked first with a total short - position of 15,849 lots. CITIC Futures added the most short - positions, with an intraday increase of 1,845 lots, while Bank of China Futures reduced the most short - positions, with an intraday decrease of 35 lots [11] IC (CSI 500) - **Total Position and Main Contract Position Changes**: On October 30, the total position of the IC variety increased by 7,396 lots, and the position of the main contract 2512 increased by 1,201 lots [15] - **Top Twenty Long - Position Seats**: Guotai Junan Futures ranked first with a total long - position of 41,157 lots. CITIC Futures added the most long - positions, with an intraday increase of 2,426 lots, while Shenyin & Wanguo Futures reduced the most long - positions, with an intraday decrease of 497 lots [16] - **Top Twenty Short - Position Seats**: CITIC Futures ranked first with a total short - position of 44,615 lots. Guotai Junan Futures added the most short - positions, with an intraday increase of 2,297 lots, while SDIC Futures reduced the most short - positions, with an intraday decrease of 249 lots [18] IM (CSI 1000) - **Total Position and Main Contract Position Changes**: On October 30, the total position of the IM variety increased by 20,311 lots, and the position of the main contract 2509 increased by 10,104 lots [21] - **Top Twenty Long - Position Seats**: Guotai Junan Futures ranked first with a total long - position of 54,031 lots. Guotai Junan Futures added the most long - positions, with an intraday increase of 5,288 lots, while Zheshang Futures reduced the most long - positions, with an intraday decrease of 551 lots [21] - **Top Twenty Short - Position Seats**: CITIC Futures ranked first with a total short - position of 74,945 lots. Guotai Junan Futures added the most short - positions, with an intraday increase of 4,318 lots, while SDIC Futures reduced the most short - positions, with an intraday decrease of 335 lots [22]

Report Summary 1) Report Industry Investment Rating No information provided. 2) Core View of the Report The report presents a daily tracking of the positions of stock index futures, including IF, IH, IC, and IM. It shows that on October 28, 2025, the total positions of these futures varieties generally decreased, with different changes in the top 20 seats [1][5][11][17][21]. 3) Summary by Related Catalogs IF (CSI 300) - **Total Position and Main Contract Position Changes**: On October 28, the total position of the IF variety decreased by 4,125 lots, of which the position of the main contract 2512 decreased by 2,675 lots [5]. - **Top 20 Long - Position Seats**: The top long - position seat was Guotai Junan Futures with a total position of 38,038 lots. Guotou Futures had the most long - position increase (836 lots), and Haitong Futures had the most long - position decrease (1,367 lots) [6]. - **Top 20 Short - Position Seats**: The top short - position seat was CITIC Futures with a total position of 42,240 lots. Guotou Futures had the most short - position increase (1,754 lots), and Haitong Futures had the most short - position decrease (3,530 lots) [8]. IH (SSE 50) - **Total Position and Main Contract Position Changes**: On October 28, the total position of the IH variety decreased by 2,425 lots, of which the position of the main contract 2512 decreased by 1,601 lots [11]. - **Top 20 Long - Position Seats**: The top long - position seat was Guotai Junan Futures with a total position of 12,711 lots. China Merchants Futures had the most long - position increase (202 lots), and CITIC Futures had the most long - position decrease (514 lots) [11]. - **Top 20 Short - Position Seats**: The top short - position seat was CITIC Futures with a total position of 14,571 lots. CITIC Construction Investment Futures had the most short - position increase (383 lots), and Guotou Futures had the most short - position decrease (658 lots) [12]. IC (CSI 500) - **Total Position and Main Contract Position Changes**: On October 28, the total position of the IC variety decreased by 9,433 lots, and the position of the main contract 2512 decreased by 1,434 lots [17]. - **Top 20 Long - Position Seats**: The top long - position seat was Guotai Junan Futures with a total position of 37,424 lots. Zhongtai 231 Futures had the most long - position increase (231 lots), and CITIC Futures had the most long - position decrease (3,160 lots) [17]. - **Top 20 Short - Position Seats**: The top short - position seat was CITIC Futures with a total position of 40,929 lots. GF Futures had the most short - position increase (238 lots), and CITIC Futures had the most short - position decrease (2,766 lots) [18]. IM (CSI 1000) - **Total Position and Main Contract Position Changes**: On October 28, the total position of the IM variety decreased by 4,826 lots, of which the position of the main contract 2509 decreased by 1,434 lots [21]. - **Top 20 Long - Position Seats**: The top long - position seat was Guotai Junan Futures with a total position of 50,040 lots. Yide Futures had the most long - position increase (227 lots), and Guotai Junan Futures had the most long - position decrease (2,132 lots) [21][25]. - **Top 20 Short - Position Seats**: The top short - position seat was CITIC Futures with a total position of 72,333 lots. Haitong Futures had the most short - position increase (424 lots), and Guotai Junan Futures had the most short - position decrease (2,592 lots) [23].

Report Summary 1. Report Industry Investment Rating - Not provided in the given content 2. Core View of the Report - The report provides a daily tracking of the positions of stock index futures, including the total positions and the changes in the positions of the top 20 long and short seats of IF, IH, IC, and IM on October 24, 2025 [1][4][10] 3. Summary According to the Catalog IF (CSI 300) - Total position: The total position decreased significantly, with a decrease of 9252 lots on October 24, and the position of the main contract IF2512 decreased by 6793 lots [4] - Top 20 long seats: Guotai Junan Futures ranked first with a total position of 37145 lots. Guotou Futures had the most long - position increase (751 lots), and Guotai Junan Futures had the most long - position decrease (3056 lots) [5] - Top 20 short seats: CITIC Futures ranked first with a total position of 41528 lots. Guotou Futures had the most short - position increase (687 lots), and Dongzheng Futures had the most short - position decrease (1988 lots) [7] IH (SSE 50) - Total position: The total position increased slightly, with an increase of 1333 lots on October 24, and the position of the main contract IH2512 increased by 1222 lots [10] - Top 20 long seats: Guotai Junan Futures ranked first with a total position of 12560 lots. Haitong Futures had the most long - position increase (251 lots), and Dongzheng Futures had the most long - position decrease (300 lots) [10] - Top 20 short seats: CITIC Futures ranked first with a total position of 14540 lots. Haitong Futures had the most short - position increase (614 lots), and Dongzheng Futures had the most short - position decrease (542 lots) [11] IC (CSI 500) - Total position: The total position decreased significantly, with a decrease of 10733 lots on October 24, and the position of the main contract IC2512 decreased by 6057 lots [16] - Top 20 long seats: Guotai Junan Futures ranked first with a total position of 36448 lots. Shenyin Wanguo Futures had the most long - position increase (452 lots), and Guotai Junan Futures had the most long - position decrease (3246 lots) [17] - Top 20 short seats: CITIC Futures ranked first with a total position of 39788 lots. GF Futures had the most short - position increase (203 lots), and CITIC Futures had the most short - position decrease (2374 lots) [19] IM (CSI 1000) - Total position: The total position decreased significantly, with a decrease of 26392 lots on October 24, and the position of the main contract IM2509 decreased by 18081 lots [22] - Top 20 long seats: Guotai Junan Futures ranked first with a total position of 50602 lots. Galaxy Futures had the most long - position increase (453 lots), and Guotai Junan Futures had the most long - position decrease (5729 lots) [22] - Top 20 short seats: CITIC Futures ranked first with a total position of 70915 lots. Only UBS increased its short position (93 lots), and CITIC Futures had the most short - position decrease (6672 lots) [24]

1. Report Industry Investment Rating - There is no information about the report industry investment rating in the provided content. 2. Core View of the Report - The report provides a daily tracking of the positions of stock index futures, including the total positions and changes in the top 20 long and short positions of IF, IH, IC, and IM on October 16, 2025 [1][3][9][14][19]. 3. Summary by Related Catalogs 3.1 IF (CSI 300) - Total position of the IF variety decreased by 2280 lots on October 16, while the position of the main contract 2512 increased by 1346 lots [3]. - Among the top 20 long - position seats of the IF variety, Guotai Junan Futures ranked first with a total position of 43627 lots. CITIC Futures had the largest long - position increase, adding 1090 lots, and CITIC Construction Investment Futures had the largest long - position decrease, reducing 1082 lots [4]. - Among the top 20 short - position seats of the IF variety, CITIC Futures ranked first with a total position of 48529 lots. Dongzheng Futures had the largest short - position increase, adding 1160 lots, and CITIC Construction Investment Futures had the largest short - position decrease, reducing 958 lots [6]. 3.2 IH (SSE 50) - The total position of the IH variety increased by 6373 lots on October 16, and the position of the main contract 2512 increased by 5999 lots [9]. - Among the top 20 long - position seats of the IH variety, CITIC Futures ranked first with a total position of 13573 lots. CITIC Futures had the largest long - position increase, adding 2714 lots, and Guotai Junan Futures had the largest long - position decrease, reducing 695 lots [9]. - Among the top 20 short - position seats of the IH variety, CITIC Futures ranked first with a total position of 17853 lots. CITIC Futures had the largest short - position increase, adding 1051 lots, and Hongyuan Futures had the largest short - position decrease, reducing 38 lots [10]. 3.3 IC (CSI 500) - The total position of the IC variety decreased by 8459 lots on October 16, and the position of the main contract 2512 decreased by 3447 lots [14]. - Among the top 20 long - position seats of the IC variety, Guotai Junan Futures ranked first with a total position of 40128 lots. Huatai Futures had the largest long - position increase, adding 1089 lots, and Haitong Futures had the largest long - position decrease, reducing 1419 lots [14]. - Among the top 20 short - position seats of the IC variety, CITIC Futures ranked first with a total position of 44876 lots. CITIC Construction Investment Futures had the largest short - position increase, adding 73 lots, and Guotai Junan Futures had the largest short - position decrease, reducing 1505 lots [16]. 3.4 IM (CSI 1000) - The total position of the IM variety decreased by 14750 lots on October 16, and the position of the main contract 2509 decreased by 6410 lots [19]. - Among the top 20 long - position seats of the IM variety, Guotai Junan Futures ranked first with a total position of 52078 lots. Founder CIFCO Futures had the largest long - position increase, adding 644 lots, and CITIC Futures had the largest long - position decrease, reducing 3969 lots [19]. - Among the top 20 short - position seats of the IM variety, CITIC Futures ranked first with a total position of 72943 lots. Huawen Futures had the largest short - position increase, adding 417 lots, and CITIC Futures had the largest short - position decrease, reducing 3614 lots [20].

Report Key Points 1. Report Industry Investment Rating - No relevant information provided 2. Report's Core View - The report provides a daily tracking and analysis of the positions of stock index futures, including IF, IH, IC, and IM, on October 13, 2025, with details on total position changes, main contract position changes, and changes in the positions of the top 20 long and short seats [1][4][10][15][21] 3. Summary by Related Catalogs IF (CSI 300) - **Total Position and Main Contract Position Changes**: On October 10, the total position of the IF variety increased by 1,506 hands, while the position of the main contract 2512 decreased by 329 hands [4] - **Top 20 Long Seats Position Changes**: Guotai Junan Futures ranked first among the top 20 long seats, with a total position of 42,563 hands. Yide Futures had the largest increase in long positions, adding 2,222 hands during the day, while Haitong Futures had the largest decrease, reducing 1,924 hands [5] - **Top 20 Short Seats Position Changes**: CITIC Futures ranked first among the top 20 short seats, with a total position of 46,643 hands. Huawen Futures had the largest increase in short positions, adding 1,342 hands during the day, while Haitong Futures had the largest decrease, reducing 1,969 hands [7] IH (SSE 50) - **Total Position and Main Contract Position Changes**: On October 10, the total position of the IH variety increased by 2,170 hands, and the position of the main contract 2512 increased by 840 hands [10] - **Top 20 Long Seats Position Changes**: CITIC Futures ranked first among the top 20 long seats, with a total position of 12,422 hands. Guotou Futures had the largest increase in long positions, adding 599 hands during the day, while Nanhua Futures had the largest decrease, reducing 735 hands [10] - **Top 20 Short Seats Position Changes**: CITIC Futures ranked first among the top 20 short seats, with a total position of 17,925 hands. CITIC Futures had the largest increase in short positions, adding 758 hands during the day, while GF Futures had the largest decrease, reducing 369 hands [11] IC (CSI 500) - **Total Position and Main Contract Position Changes**: On October 10, the total position of the IC variety decreased by 8,282 hands, and the position of the main contract 2512 decreased by 3,614 hands [15] - **Top 20 Long Seats Position Changes**: Guotai Junan Futures ranked first among the top 20 long seats, with a total position of 44,817 hands. Dongwu Futures had the largest increase in long positions, adding 603 hands during the day, while CITIC Futures had the largest decrease, reducing 1,173 hands [15] - **Top 20 Short Seats Position Changes**: CITIC Futures ranked first among the top 20 short seats, with a total position of 44,283 hands. Bank of China Futures had the largest increase in short positions, adding 316 hands during the day, while CITIC Futures had the largest decrease, reducing 2,509 hands [17] IM (CSI 1000) - **Total Position and Main Contract Position Changes**: On October 10, the total position of the IM variety increased by 3,851 hands, and the position of the main contract 2509 increased by 1,106 hands [21] - **Top 20 Long Seats Position Changes**: Guotai Junan Futures ranked first among the top 20 long seats, with a total position of 52,550 hands. Haitong Futures had the largest increase in long positions, adding 1,986 hands during the day, while CITIC Futures had the largest decrease, reducing 1,615 hands [22] - **Top 20 Short Seats Position Changes**: CITIC Futures ranked first among the top 20 short seats, with a total position of 73,190 hands. Haitong Futures had the largest increase in short positions, adding 1,487 hands during the day, while CITIC Futures had the largest decrease, reducing 555 hands [24]

1. Report Industry Investment Rating - Not provided in the given content 2. Core View of the Report - The report provides a daily tracking of the positions of stock index futures, including IF, IH, IC, and IM. The total positions of these futures have generally increased, with significant increases in some cases. The top 20 seats have also shown changes in positions, with some major institutions increasing their long and short positions [1][5][11][17][23] 3. Summary by Related Catalogs IF - **Total Position and Main Contract Position Changes**: On September 18, the total position of the IF variety increased by 14,691 hands, while the position of the main contract 2509 decreased by 22,028 hands [5] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of the IF variety on that day, Guotai Junan Futures ranked first with a total position of 45,796 hands. Haitong Futures had the largest increase in long positions, adding 2,989 hands, while Guotou Futures had the largest decrease, reducing 1,347 hands [6] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of the IF variety on that day, CITIC Futures ranked first with a total position of 51,765 hands. CITIC Futures had the largest increase in short positions, adding 2,002 hands, while Guotou Futures had the largest decrease, reducing 1,394 hands [8] IH - **Total Position and Main Contract Position Changes**: On September 18, the total position of the IH variety increased by 10,071 hands, while the position of the main contract 2509 decreased by 9,707 hands [11] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of the IH variety on that day, Guotai Junan Futures ranked first with a total position of 13,867 hands. Guotai Junan Futures had the largest increase in long positions, adding 2,165 hands, while Nanhua Futures had the largest decrease, reducing 304 hands [12] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of the IH variety on that day, CITIC Futures ranked first with a total position of 20,073 hands. Guotai Junan Futures had the largest increase in short positions, adding 1,256 hands, while Bank of China Futures had the largest decrease, reducing 786 hands [13] IC - **Total Position and Main Contract Position Changes**: On September 18, the total position of the IC variety increased by 19,056 hands, while the position of the main contract 2509 decreased by 20,830 hands [17] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of the IC variety on that day, CITIC Futures ranked first with a total position of 42,201 hands. CITIC Futures had the largest increase in long positions, adding 3,896 hands, while Shenyin Wanguo Futures had the largest decrease, reducing 480 hands [18] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of the IC variety on that day, CITIC Futures ranked first with a total position of 45,330 hands. CITIC Futures had the largest increase in short positions, adding 4,530 hands, while Bank of China Futures had the largest decrease, reducing 1,729 hands [20] IM - **Total Position and Main Contract Position Changes**: On September 18, the total position of the IM variety increased by 25,806 hands, while the position of the main contract 2509 decreased by 33,716 hands [23] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of the IM variety on that day, CITIC Futures ranked first with a total position of 56,920 hands. CITIC Futures had the largest increase in long positions, adding 6,451 hands, and only Zheshang Futures reduced its long position, by 29 hands [23] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of the IM variety on that day, CITIC Futures ranked first with a total position of 82,324 hands. CITIC Futures had the largest increase in short positions, adding 6,423 hands, while Huatai Futures had the largest decrease, reducing 164 hands [24]

Report Summary 1. Report Industry Investment Rating No information regarding the industry investment rating is provided in the report. 2. Core Viewpoints - The report presents a daily tracking of the positions of stock index futures, including IF, IH, IC, and IM, and analyzes the changes in total positions, positions of the main contracts, and the important changes of the top 20 seats for each type of futures [1]. 3. Summary by Related Catalogs IF (CSI 300) - **Total Position and Main Contract Position Changes**: On September 17, the total position of the IF variety decreased by 2,680 lots, and the position of the main contract 2509 decreased by 17,674 lots [5]. - **Top 20 Long - Position Seats**: Among the top 20 long - position seats, Guotai Junan Futures ranked first with a total position of 44,643 lots. CITIC Futures had the largest increase in long positions, adding 2,395 lots during the day, while CITIC Construction Investment Futures had the largest decrease, reducing 1,435 lots [6]. - **Top 20 Short - Position Seats**: Among the top 20 short - position seats, CITIC Futures ranked first with a total position of 49,763 lots. SDIC Futures had the largest increase in short positions, adding 1,478 lots during the day, while CITIC Construction Investment Futures had the largest decrease, reducing 1,143 lots [8]. IH (SSE 50) - **Total Position and Main Contract Position Changes**: On September 17, the total position of the IH variety increased by 4,021 lots, while the position of the main contract 2509 decreased by 4,903 lots [11]. - **Top 20 Long - Position Seats**: Among the top 20 long - position seats, CITIC Futures ranked first with a total position of 11,853 lots. Guotai Junan Futures had the largest increase in long positions, adding 1,361 lots during the day, while Bank of China Futures had the largest decrease, reducing 421 lots [12]. - **Top 20 Short - Position Seats**: Among the top 20 short - position seats, CITIC Futures ranked first with a total position of 19,255 lots. CITIC Futures also had the largest increase in short positions, adding 1,802 lots during the day, while Orient Securities Futures had the largest decrease, reducing 366 lots [13]. IC (CSI 500) - **Total Position and Main Contract Position Changes**: On September 17, the total position of the IC variety decreased by 10,820 lots, and the position of the main contract 2509 decreased by 20,158 lots [17]. - **Top 20 Long - Position Seats**: Among the top 20 long - position seats, CITIC Futures ranked first with a total position of 38,305 lots. Guotai Junan Futures had the largest increase in long positions, adding 383 lots during the day, while CITIC Construction Investment Futures had the largest decrease, reducing 1,750 lots [18]. - **Top 20 Short - Position Seats**: Among the top 20 short - position seats, CITIC Futures ranked first with a total position of 40,800 lots. SDIC Futures had the largest increase in short positions, adding 347 lots during the day, while Guotai Junan Futures had the largest decrease, reducing 2,335 lots [20]. IM (CSI 1000) - **Total Position and Main Contract Position Changes**: On September 17, the total position of the IM variety decreased by 579 lots, and the position of the main contract 2509 decreased by 23,457 lots [23]. - **Top 20 Long - Position Seats**: Among the top 20 long - position seats, Guotai Junan Futures ranked first with a total position of 51,301 lots. Huawen Futures had the largest increase in long positions, adding 679 lots during the day, while Orient Securities Futures had the largest decrease, reducing 873 lots [24]. - **Top 20 Short - Position Seats**: Among the top 20 short - position seats, CITIC Futures ranked first with a total position of 75,901 lots. Huawen Futures had the largest increase in short positions, adding 1,042 lots during the day, while Guotai Junan Futures had the largest decrease, reducing 2,302 lots [26].

Report Industry Investment Rating - Not provided in the given content Core Viewpoints - The report provides a daily tracking and analysis of the positions of stock index futures, including the overall position changes and the significant position adjustments of the top 20 seats for IF, IH, IC, and IM [1][4][10] Summary by Related Catalogs IF (CSI 300) - **Total Position and Main Contract Position Changes**: On September 11, the total position of the IF variety increased by 6,664 lots, and the position of the main contract 2509 increased by 1,600 lots [4] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of the IF variety on that day, Guotai Junan Futures ranked first with a total position of 46,032 lots. Guoxin Futures had the largest long - position increase, adding 1,639 lots, while Guotou Futures had the largest long - position decrease, reducing 838 lots [5] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of the IF variety on that day, CITIC Futures ranked first with a total position of 49,142 lots. Guoxin Futures had the largest short - position increase, adding 1,640 lots, while Haitong Futures had the largest short - position decrease, reducing 1,239 lots [7] IH (SSE 50) - **Total Position and Main Contract Position Changes**: On September 11, the total position of the IH variety increased by 8,511 lots, and the position of the main contract 2509 increased by 2,315 lots [10] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of the IH variety on that day, Guotai Junan Futures ranked first with a total position of 12,063 lots. Guotai Junan Futures had the largest long - position increase, adding 2,004 lots, while Haitong Futures had the largest long - position decrease, reducing 328 lots [10] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of the IH variety on that day, CITIC Futures ranked first with a total position of 16,560 lots. Guotai Junan Futures had the largest short - position increase, adding 2,628 lots, while Zhongtai Futures had the largest short - position decrease, reducing 140 lots [11] IC (CSI 500) - **Total Position and Main Contract Position Changes**: On September 11, the total position of the IC variety increased by 18,948 lots, and the position of the main contract 2509 increased by 623 lots [15] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of the IC variety on that day, CITIC Futures ranked first with a total position of 42,132 lots. CITIC Futures had the largest long - position increase, adding 3,223 lots, while Haitong Futures had the largest long - position decrease, reducing 573 lots [16] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of the IC variety on that day, CITIC Futures ranked first with a total position of 46,910 lots. CITIC Futures had the largest short - position increase, adding 6,349 lots, while Huatai Futures had the largest short - position decrease, reducing 385 lots [18] IM (CSI 1000) - **Total Position and Main Contract Position Changes**: On September 11, the total position of the IM variety increased by 4,629 lots, and the position of the main contract 2509 decreased by 6,657 lots [21] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of the IM variety on that day, Guotai Junan Futures ranked first with a total position of 53,198 lots. Guotai Junan Futures had the largest long - position increase, adding 2,993 lots, while CITIC Construction Investment Futures had the largest long - position decrease, reducing 945 lots [22] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of the IM variety on that day, CITIC Futures ranked first with a total position of 78,531 lots. CITIC Futures had the largest short - position increase, adding 1,180 lots, while Dongzheng Futures had the largest short - position decrease, reducing 529 lots [24]