Report Industry Investment Rating - Not provided in the given content Core Viewpoints - 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 seats of IF, IH, IC, and IM [1] Summary by Related Catalogs IF - **Total Position and Main Contract Position Changes**: On January 27, the total position of the IF variety decreased by 18,138 lots, and the position of the main contract 2603 decreased by 13,695 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 50,206 lots. Huatai Futures had the largest increase in long positions, with an intraday increase of 194 lots, while CITIC Futures had the largest decrease, with an intraday decrease of 4,046 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 43,908 lots. GF Futures had the largest increase in short positions, with an intraday increase of 781 lots, while CITIC Futures had the largest decrease, with an intraday decrease of 5,042 lots [7] IH - **Total Position and Main Contract Position Changes**: On January 27, the total position of the IH variety decreased by 4,127 lots, and the position of the main contract 2603 decreased by 4,194 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 13,542 lots. Shenyin Wanguo Futures had the largest increase in long positions, with an intraday increase of 335 lots, while CITIC Futures had the largest decrease, with an intraday decrease of 1,651 lots [11] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of the IH variety on that day, GF Futures ranked first with a total position of 17,748 lots. GF Futures had the largest increase in short positions, with an intraday increase of 1,272 lots, while Guotai Junan Futures had the largest decrease, with an intraday decrease of 1,287 lots [12] IC - **Total Position and Main Contract Position Changes**: On January 27, the total position of the IC variety decreased by 704 lots, and the position of the main contract 2603 decreased by 1,199 lots [16] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of the IC variety on that day, Guotai Junan Futures ranked first with a total position of 52,212 lots. Galaxy Futures had the largest increase in long positions, with an intraday increase of 925 lots, while Haitong Futures had the largest decrease, with an intraday decrease of 921 lots [17] - **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 56,906 lots. Guotai Junan Futures had the largest increase in short positions, with an intraday increase of 877 lots, while CITIC Futures had the largest decrease, with an intraday decrease of 1,522 lots [19] IM - **Total Position and Main Contract Position Changes**: On January 27, the total position of the IM variety increased by 3,901 lots, and the position of the main contract 2603 increased by 244 lots [22] - **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 58,101 lots. CITIC Futures had the largest increase in long positions, with an intraday increase of 2,209 lots, while Guotai Junan Futures had the largest decrease, with an intraday decrease of 923 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 79,026 lots. Haitong Futures had the largest increase in short positions, with an intraday increase of 2,348 lots, while Guotai Junan Futures had the largest decrease, with an intraday decrease of 499 lots [23]

1. Report Industry Investment Rating - No relevant content provided 2. Core Viewpoint of the Report - On January 15, 2026, the total positions of IF, IH, IC, and IM all decreased significantly or notably, with significant position - reduction actions by major institutions such as CITIC and Guojun in multiple varieties [1][4][10][16][23] 3. Summary by Related Catalogs IF - **Total Position and Main Contract Position Changes**: On January 15, the total position of the IF variety decreased by 13,642 lots, and the position of the main contract 2603 decreased by 8,845 lots [4] - **Top Twenty Long - Position Seats**: Guotai Junan Futures ranked first with a total position of 50,494 lots. Dayue Futures had the most long - position increase (408 lots), and CITIC Futures had the most long - position decrease (3,247 lots) [5] - **Top Twenty Short - Position Seats**: CITIC Futures ranked first with a total position of 43,908 lots. Galaxy Futures had the most short - position increase (475 lots), and CITIC Futures had the most short - position decrease (3,562 lots) [7] IH - **Total Position and Main Contract Position Changes**: On January 15, the total position of the IH variety decreased by 5,892 lots, and the position of the main contract 2603 decreased by 2,067 lots [10] - **Top Twenty Long - Position Seats**: CITIC Futures ranked first with a total position of 9,902 lots. Huatai Futures had the most long - position increase (97 lots), and Guotai Junan Futures had the most long - position decrease (1,736 lots) [11] - **Top Twenty Short - Position Seats**: CITIC Futures ranked first with a total position of 13,250 lots. GF Futures had the most short - position increase (241 lots), and CITIC Futures had the most short - position decrease (1,649 lots) [12] IC - **Total Position and Main Contract Position Changes**: On January 15, the total position of the IC variety decreased by 9,679 lots, and the position of the main contract 2603 decreased by 4,815 lots [16] - **Top Twenty Long - Position Seats**: Guotai Junan Futures ranked first with a total position of 50,581 lots. Yide Futures had the most long - position increase (1,937 lots), and Guotai Junan Futures had the most long - position decrease (2,228 lots) [17] - **Top Twenty Short - Position Seats**: CITIC Futures ranked first with a total position of 56,603 lots. Huatai Futures had the most short - position increase (795 lots), and CITIC Futures had the most short - position decrease (2,917 lots) [19] IM - **Total Position and Main Contract Position Changes**: On January 15, the total position of the IM variety decreased by 19,793 lots, and the position of the main contract 2603 decreased by 9,064 lots [24] - **Top Twenty Long - Position Seats**: Guotai Junan Futures ranked first with a total position of 58,514 lots. Baocheng Futures had the most long - position increase (195 lots), and Guotai Junan Futures had the most long - position decrease (4,115 lots) [24] - **Top Twenty Short - Position Seats**: CITIC Futures ranked first with a total position of 76,178 lots. Everbright Futures had the most short - position increase (33 lots), and CITIC Futures had the most short - position decrease (4,111 lots) [25]

Report Summary 1. Report Industry Investment Rating No information provided in the given content. 2. Core View The report provides a daily tracking of the holdings of stock index futures, including IF, IH, IC, and IM. It details the changes in total holdings, main - contract holdings, and the positions of the top 20 long and short seats for each type of futures on January 14, 2026 [1][4][10]. 3. Summary by Variety IF (CSI 300) - **Total and Main - Contract Holdings**: On January 14, the total holdings of the IF variety increased by 12,419 lots, and the holdings of the main contract 2603 increased by 11,113 lots [4]. - **Top 20 Long Seats**: Guotai Junan Futures ranked first with a total of 52,320 lots. Guotai Junan Futures had the largest increase in long positions, with an intraday increase of 1,738 lots, while Haitong Futures had the largest decrease, with an intraday decrease of 1,847 lots [5]. - **Top 20 Short Seats**: CITIC Futures ranked first with a total of 47,468 lots. GF Futures had the largest increase in short positions, with an intraday increase of 2,190 lots, while Guotai Junan Futures had the largest decrease, with an intraday decrease of 260 lots [7]. IH (SSE 50) - **Total and Main - Contract Holdings**: On January 14, the total holdings of the IH variety increased by 3,997 lots, and the holdings of the main contract 2603 increased by 2,663 lots [10]. - **Top 20 Long Seats**: CITIC Futures ranked first with a total of 11,412 lots. GF Futures had the largest increase in long positions, with an intraday increase of 754 lots, while Haitong Futures had the largest decrease, with an intraday decrease of 956 lots [11]. - **Top 20 Short Seats**: CITIC Futures ranked first with a total of 14,899 lots. GF Futures had the largest increase in short positions, with an intraday increase of 1,285 lots, while Haitong Futures had the largest decrease, with an intraday decrease of 1,578 lots [12]. IC (CSI 500) - **Total and Main - Contract Holdings**: On January 14, the total holdings of the IC variety increased by 13,386 lots, and the holdings of the main contract 2603 increased by 4,547 lots [16]. - **Top 20 Long Seats**: Guotai Junan Futures ranked first with a total of 52,809 lots. Guotai Junan Futures had the largest increase in long positions, with an intraday increase of 2,373 lots, while Yong'an Futures had the largest decrease, with an intraday decrease of 674 lots [17]. - **Top 20 Short Seats**: CITIC Futures ranked first with a total of 59,520 lots. CITIC Futures had the largest increase in short positions, with an intraday increase of 3,016 lots, while J.P. Morgan Futures had the largest decrease, with an intraday decrease of 744 lots [19]. IM (CSI 1000) - **Total and Main - Contract Holdings**: On January 14, the total holdings of the IM variety increased by 13,386 lots, and the holdings of the main contract 2603 increased by 4,547 lots [22]. - **Top 20 Long Seats**: Guotai Junan Futures ranked first with a total of 62,629 lots. CITIC Futures had the largest increase in long positions, with an intraday increase of 2,706 lots, while Shenyin Wanguo Futures had the largest decrease, with an intraday decrease of 1,438 lots [23]. - **Top 20 Short Seats**: CITIC Futures ranked first with a total of 80,289 lots. CITIC Futures had the largest increase in short positions, with an intraday increase of 2,579 lots, while Guotai Junan Futures had the largest decrease, with an intraday decrease of 1,430 lots [24].

Report Industry Investment Rating - No information provided Core View of the Report - On January 13, 2026, the total positions of IF, IH, and IC increased significantly, while the total positions of IM decreased slightly. The front twenty seats of each variety also had different changes in long and short positions [1][3][11][12][18] Summary According to the Directory IF - **Total Position and Main Contract Position Changes**: On January 13, the total position of the IF variety increased by 5,440 lots, and the position of the main contract 2603 increased by 1,785 lots [3] - **Top Twenty Long Seats Position Changes**: Among the top twenty long seats of the IF variety on that day, Guotai Junan Futures ranked first with a total position of 50,582 lots. CITIC Futures had the most long - position increase, adding 1,208 lots, and CITIC Construction Investment Futures had the most long - position decrease, reducing 733 lots [4] - **Top Twenty Short Seats Position Changes**: Among the top twenty short seats of the IF variety on that day, CITIC Futures ranked first with a total position of 46,564 lots. CITIC Futures had the most short - position increase, adding 1,698 lots, and CITIC Construction Investment Futures had the most short - position decrease, reducing 863 lots [6] IH - **Total Position and Main Contract Position Changes**: On January 13, the total position of the IH variety increased by 3,136 lots, and the position of the main contract 2603 increased by 2,024 lots [11] - **Top Twenty Long Seats Position Changes**: Among the top twenty long seats of the IH variety on that day, CITIC Futures ranked first with a total position of 11,575 lots. CITIC Futures had the most long - position increase, adding 998 lots, and CICC Wealth had the most long - position decrease, reducing 458 lots [11] - **Top Twenty Short Seats Position Changes**: Among the top twenty short seats of the IH variety on that day, CITIC Futures ranked first with a total position of 13,904 lots. Guotai Junan Futures had the most short - position increase, adding 1,016 lots, and CITIC Construction Investment Futures had the most short - position decrease, reducing 630 lots [9] IC - **Total Position and Main Contract Position Changes**: On January 13, the total position of the IC variety increased by 6,136 lots, and the position of the main contract 2603 increased by 3,885 lots [12] - **Top Twenty Long Seats Position Changes**: Among the top twenty long seats of the IC variety on that day, Guotai Junan Futures ranked first with a total position of 50,436 lots. Haitong Futures had the most long - position increase, adding 3,076 lots, and Guoxin Futures had the most long - position decrease, reducing 496 lots [13] - **Top Twenty Short Seats Position Changes**: Among the top twenty short seats of the IC variety on that day, CITIC Futures ranked first with a total position of 56,504 lots. Haitong Futures had the most short - position increase, adding 4,511 lots, and Dongzheng Futures had the most short - position decrease, reducing 763 lots [15] IM - **Total Position and Main Contract Position Changes**: On January 13, the total position of the IM variety decreased by 1,419 lots, and the position of the main contract 2603 decreased by 632 lots [18] - **Top Twenty Long Seats Position Changes**: Among the top twenty long seats of the IM variety on that day, Guotai Junan Futures ranked first with a total position of 62,309 lots. Huawen Futures had the most long - position increase, adding 817 lots, and CITIC Futures had the most long - position decrease, reducing 2,578 lots [19] - **Top Twenty Short Seats Position Changes**: Among the top twenty short seats of the IM variety on that day, CITIC Futures ranked first with a total position of 77,710 lots. Guotai Junan Futures had the most short - position increase, adding 1,642 lots, and Haitong Futures had the most short - position decrease, reducing 923 lots [20]

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 the total position changes and the significant position changes of the top 20 seats for IF, IH, IC, and IM contracts. It also analyzes the position changes of the top 20 long and short seats for each variety [1]. 3. Summary by Relevant Catalog I. Overall Situation of Stock Index Futures - **IF**: The total position increased slightly, with the total position rising by 2,755 lots on January 12, and the main contract 2603 position increasing by 249 lots. Guotai Junan Futures added more than 2,000 long positions, with an intraday increase of 2,083 lots in long positions [1][3]. - **IH**: The total position remained stable, decreasing by 1,098 lots on January 12, and the main contract 2603 position decreasing by 103 lots. The position changes of the top 20 seats varied [1][9]. - **IC**: The total position decreased significantly, with a decrease of 7,660 lots on January 12, and the main contract 2603 position decreasing by 6,868 lots. CITIC Futures reduced both long and short positions by more than 2,000 lots [1][15]. - **IM**: The total position increased significantly, rising by 9,639 lots on January 12, and the main contract 2603 position increasing by 4,629 lots. CITIC Futures added more than 2,000 long positions, with an intraday increase of 2,310 lots in long positions [1][21]. II. Position Changes of the Top 20 Long Seats - **IF**: Guotai Junan Futures ranked first with a total long - position of 49,638 lots. The most significant long - position increase was by Guotai Junan Futures with 2,083 lots, and the most significant long - position decrease was by Huatai Futures with 1,055 lots [4]. - **IH**: CITIC Futures ranked first with a total long - position of 10,577 lots. The most significant long - position increase was by Guoxin Futures with 619 lots, and the most significant long - position decrease was by Dongzheng Futures with 612 lots [10]. - **IC**: Guotai Junan Futures ranked first with a total long - position of 49,772 lots. The most significant long - position increase was by Galaxy Futures with 664 lots, and the most significant long - position decrease was by CITIC Futures with 3,129 lots [16]. - **IM**: Guotai Junan Futures ranked first with a total long - position of 62,089 lots. The most significant long - position increase was by CITIC Futures with 2,310 lots, and the most significant long - position decrease was by Haitong Futures with 939 lots [22]. III. Position Changes of the Top 20 Short Seats - **IF**: CITIC Futures ranked first with a total short - position of 44,866 lots. The most significant short - position increase was by Guotai Junan Futures with 1,696 lots, and the most significant short - position decrease was by Guotou Futures with 796 lots [6]. - **IH**: CITIC Futures ranked first with a total short - position of 13,330 lots. The most significant short - position increase was by Huatai Futures with 266 lots, and the most significant short - position decrease was by Bank of China Futures with 545 lots [11]. - **IC**: CITIC Futures ranked first with a total short - position of 54,493 lots. The most significant short - position increase was by Huatai Futures with 492 lots, and the most significant short - position decrease was by CITIC Futures with 2,513 lots [18]. - **IM**: CITIC Futures ranked first with a total short - position of 78,414 lots. The most significant short - position increase was by Huatai Futures with 1,931 lots, and the most significant short - position decrease was by Huawen Futures with 498 lots [23].

1. Report Industry Investment Rating - There is no information provided about the report industry investment rating in the given content. 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 the changes in total positions and the significant changes in the top 20 seats for each type of futures on January 5, 2026 [1][4][9][15][22]. 3. Summary by Relevant Catalogs 3.1 Overall Summary of Stock Index Futures - For IF, the total position increased significantly, and the top 20 seats had mixed changes in positions [1][4]. - For IH, the total position increased slightly, and the top 20 seats mainly increased their positions [1][9]. - For IC, the total position increased substantially, and Guojun increased both long and short positions by over 3000 lots [1][15]. - For IM, the total position increased substantially, and Guojun increased both long and short positions by over 3000 lots [1][22]. 3.2 IF Details - **Total Position and Main Contract Position Changes**: On January 5, the total position of the IF variety increased by 8201 lots, and the position of the main contract 2603 increased by 6857 lots [4]. - **Top 20 Long Seats Position Changes**: Among the top 20 long seats, Guotai Junan Futures ranked first with a total position of 47834 lots. Guotai Junan Futures had the largest increase in long positions, adding 2475 lots, while Haitong Futures had the largest decrease, reducing 1035 lots [4]. - **Top 20 Short Seats Position Changes**: Among the top 20 short seats, CITIC Futures ranked first with a total position of 39606 lots. Guotou Futures had the largest increase in short positions, adding 2597 lots, while Haitong Futures had the largest decrease, reducing 589 lots [6]. 3.3 IH Details - **Total Position and Main Contract Position Changes**: On January 5, the total position of the IH variety increased by 3543 lots, and the position of the main contract 2603 increased by 2964 lots [9]. - **Top 20 Long Seats Position Changes**: Among the top 20 long seats, CITIC Futures ranked first with a total position of 11372 lots. Guotai Junan Futures had the largest increase in long positions, adding 800 lots, while Everbright Futures had the largest decrease, reducing 530 lots [10]. - **Top 20 Short Seats Position Changes**: Among the top 20 short seats, CITIC Futures ranked first with a total position of 13441 lots. GF Futures had the largest increase in short positions, adding 802 lots, while CITIC Construction Investment Futures had the largest decrease, reducing 302 lots [11]. 3.4 IC Details - **Total Position and Main Contract Position Changes**: On January 5, the total position of the IC variety increased by 22660 lots, and the position of the main contract 2603 increased by 15069 lots [15]. - **Top 20 Long Seats Position Changes**: Among the top 20 long seats, Guotai Junan Futures ranked first with a total position of 49617 lots. Guotai Junan Futures had the largest increase in long positions, adding 4113 lots, while Galaxy Futures had the largest decrease, reducing 276 lots [16]. - **Top 20 Short Seats Position Changes**: Among the top 20 short seats, CITIC Futures ranked first with a total position of 49962 lots. Guotai Junan Futures had the largest increase in short positions, adding 3370 lots, while Shenyin Wanguo Futures had the largest decrease, reducing 41 lots [18]. 3.5 IM Details - **Total Position and Main Contract Position Changes**: On January 5, the total position of the IM variety increased by 13346 lots, and the position of the main contract 2603 increased by 8761 lots [22]. - **Top 20 Long Seats Position Changes**: Among the top 20 long seats, Guotai Junan Futures ranked first with a total position of 57895 lots. Guotai Junan Futures had the largest increase in long positions, adding 3330 lots, while Yide Futures had the largest decrease, reducing 2237 lots [23]. - **Top 20 Short Seats Position Changes**: Among the top 20 short seats, CITIC Futures ranked first with a total position of 75339 lots. Guotai Junan Futures had the largest increase in short positions, adding 3370 lots, while China Merchants Futures had the largest decrease, reducing 281 lots [25].

Report Investment Rating - No investment rating information is provided in the report. Core Viewpoints - The report presents the daily tracking of stock index futures positions, including the total position changes and the important changes of the top 20 seats for IF, IH, IC, and IM [1]. Directory Summary IF - **Total Position and Main Contract Position Changes**: On December 31st, the total position of the IF variety decreased by 5,128 lots, and the position of the main contract 2603 decreased by 4,720 lots [3]. - **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 45,359 lots. Haitong Futures had the most long - position increase, adding 1,745 lots intraday; Guotou Futures had the most long - position decrease, reducing 1,663 lots intraday [4]. - **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 38,891 lots. Haitong Futures had the most short - position increase, adding 1,048 lots intraday; Guotou Futures had the most short - position decrease, reducing 2,009 lots intraday [6]. IH - **Total Position and Main Contract Position Changes**: On December 31st, the total position of the IH variety increased by 240 lots, while the position of the main contract 2603 decreased by 269 lots [9]. - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of the IH variety on that day, CITIC Futures ranked first with a total position of 11,262 lots. Guotai Junan Futures had the most long - position increase, adding 1,228 lots intraday; Yong'an Futures had the most long - position decrease, reducing 275 lots intraday [9]. - **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 13,404 lots. CITIC Futures had the most short - position increase, adding 558 lots intraday; GF Futures had the most short - position decrease, reducing 746 lots intraday [10]. IC - **Total Position and Main Contract Position Changes**: On December 31st, the total position of the IC variety decreased by 14,673 lots, and the position of the main contract 2603 decreased by 8,754 lots [13]. - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of the IC variety on that day, Guotai Junan Futures ranked first with a total position of 45,504 lots. Yide Futures had the most long - position increase, adding 766 lots intraday; Guotai Junan Futures had the most long - position decrease, reducing 3,404 lots intraday [13]. - **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 47,857 lots. Shenyin Wanguo Futures had the most short - position increase, adding 414 lots intraday; Guotai Junan Futures had the most short - position decrease, reducing 2,880 lots intraday [15]. IM - **Total Position and Main Contract Position Changes**: On December 31st, the total position of the IM variety decreased by 12,524 lots, and the position of the main contract 2603 decreased by 8,889 lots [18]. - **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 54,565 lots. Yide Futures had the most long - position increase, adding 461 lots intraday; CITIC Futures had the most long - position decrease, reducing 3,774 lots intraday [18]. - **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 74,036 lots. Galaxy Futures had the most short - position increase, adding 351 lots intraday; CITIC Futures had the most short - position decrease, reducing 3,482 lots intraday [18].

Report Industry Investment Rating - Not provided in the content Core Viewpoints - On December 26, 2025, the total positions of IF, IH, IC, and IM all increased significantly or notably, with specific changes in the positions of the top 20 long and short seats [1][4][10][15][21] Summary by Related Catalogs IF - **Total Position and Main Contract Position Changes**: On December 26, the total position of IF increased by 16,208 hands, and the position of the main contract 2603 increased by 10,739 hands [4] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of IF, Guotai Junan Futures ranked first with a total position of 49,339 hands. Guotai Junan Futures had the most long - position increase, adding 4,325 hands, and Everbright Futures had the most long - position decrease, reducing 350 hands [5] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of IF, CITIC Futures ranked first with a total position of 40,277 hands. CITIC Futures had the most short - position increase, adding 3,478 hands, and there was no reduction in the top 20 short seats [7] IH - **Total Position and Main Contract Position Changes**: On December 26, the total position of IH increased by 9,590 hands, and the position of the main contract 2603 increased by 5,033 hands [10] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of IH, CITIC Futures ranked first with a total position of 11,836 hands. CITIC Futures had the most long - position increase, adding 3,093 hands, and CITIC Construction Investment Futures had the most long - position decrease, reducing 27 hands [10] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of IH, CITIC Futures ranked first with a total position of 14,087 hands. Haitong Futures had the most short - position increase, adding 1,692 hands, and Guoguangfa Futures had the most short - position decrease, reducing 87 hands [11] IC - **Total Position and Main Contract Position Changes**: On December 26, the total position of IC increased by 25,777 hands, and the position of the main contract 2603 increased by 13,072 hands [15] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of IC, Guotai Junan Futures ranked first with a total position of 47,729 hands. CITIC Futures had the most long - position increase, adding 7,087 hands, and China Merchants Futures had the most long - position decrease, reducing 1,292 hands [16] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of IC, CITIC Futures ranked first with a total position of 49,974 hands. Guotai Junan Futures had the most short - position increase, adding 5,544 hands, and CITIC Construction Investment Futures had the most short - position decrease, reducing 92 hands [18] IM - **Total Position and Main Contract Position Changes**: On December 26, the total position of IM increased by 21,680 hands, and the position of the main contract 2603 increased by 11,763 hands [21] - **Top 20 Long Seats Position Changes**: Among the top 20 long seats of IM, Guotai Junan Futures ranked first with a total position of 59,039 hands. CITIC Futures had the most long - position increase, adding 5,932 hands, and Guotou Futures had the most long - position decrease, reducing 565 hands [21] - **Top 20 Short Seats Position Changes**: Among the top 20 short seats of IM, CITIC Futures ranked first with a total position of 77,981 hands. CITIC Futures had the most short - position increase, adding 6,357 hands, and Everbright Futures had the most short - position decrease, reducing 9 hands [23]

Report Industry Investment Rating - Not provided in the given content Core Viewpoints - The report provides a daily tracking of stock index futures positions, including the performance of IF, IH, IC, and IM futures, and details the changes in total positions, main contract positions, and the top 20 long and short positions of each variety [1] Summary by Related Catalogs IF Futures - Total position increased slightly, with the main contract IF2603's position rising by 1307 hands on December 24, and the total position of the IF variety increasing by 1836 hands [1][3] - Among the top 20 long positions, CITIC Construction Investment Futures added the most long positions (559 hands), while Guotou Futures reduced the most long positions (811 hands). Guotai Junan Futures ranked first with a total long - position of 44832 hands [3] - Among the top 20 short positions, GF Futures added the most short positions (537 hands), while Dongzheng Futures reduced the most short positions (538 hands). CITIC Futures ranked first with a total short - position of 37597 hands [5] IH Futures - Total position remained stable, with the main contract IH2603's position rising by 539 hands on December 24, and the total position of the IH variety increasing by 229 hands [1][8] - Among the top 20 long positions, Huatai Futures added the most long positions (279 hands), while Bank of China Futures reduced the most long positions (512 hands). CITIC Futures ranked first with a total long - position of 8801 hands [9] - Among the top 20 short positions, CITIC Construction Investment Futures added the most short positions (734 hands), while CITIC Futures reduced the most short positions (618 hands). CITIC Futures ranked first with a total short - position of 13218 hands [10] IC Futures - Total position increased significantly, with the main contract IC2603's position rising by 10888 hands on December 24, and the total position of the IC variety increasing by 15502 hands [1][14] - Among the top 20 long positions, Guotai Junan Futures added the most long positions (3425 hands), while Nanhua Futures reduced the most long positions (714 hands). Guotai Junan Futures ranked first with a total long - position of 43816 hands [15] - Among the top 20 short positions, Guotai Junan Futures added the most short positions (3026 hands), while Baocheng Futures reduced the most short positions (47 hands). CITIC Futures ranked first with a total short - position of 44998 hands [17] IM Futures - Total position increased significantly, with the main contract IM2603's position rising by 9450 hands on December 24, and the total position of the IM variety increasing by 11974 hands [1][20] - Among the top 20 long positions, Guotai Junan Futures added the most long positions (3094 hands), while Guotou Futures reduced the most long positions (1088 hands). Guotai Junan Futures ranked first with a total long - position of 53502 hands [20] - Among the top 20 short positions, Guotai Junan Futures added the most short positions (1777 hands), while Yong'an Futures reduced the most short positions (92 hands). CITIC Futures ranked first with a total short - position of 70919 hands [22]

1. Report Industry Investment Rating - No relevant information provided 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 details the changes in total positions, the performance of the main contracts, and the significant changes in the top twenty seats for each type of futures [1]. 3. Summary by Related Catalogs IF (CSI 300) - Total position significantly increased, with a rise of 7033 hands on December 23, and the main contract 2603's position increased by 5860 hands [1][6]. - Among the top twenty long - position seats, Guotai Junan Futures ranked first with a total position of 45337 hands. Guotai Junan Futures had the largest long - position increase of 2376 hands, while Guoxin Futures had the largest long - position decrease of 511 hands [6]. - Among the top twenty short - position seats, CITIC Futures ranked first with a total position of 37772 hands. Guotou Futures had the largest short - position increase of 2884 hands, and Guoxin Futures had the largest short - position decrease of 417 hands [8]. IH (SSE 50) - Total position remained stable, with a decrease of 1324 hands on December 23, and the main contract 2603's position decreased by 668 hands [1][11]. - Among the top twenty long - position seats, Guotai Junan Futures ranked first with a total position of 9138 hands. Dongzheng Futures had the largest long - position increase of 664 hands, and Everbright Futures had the largest long - position decrease of 453 hands [11]. - Among the top twenty short - position seats, CITIC Futures ranked first with a total position of 13836 hands. Guotou Futures had the largest short - position increase of 468 hands, and Guotai Junan Futures had the largest short - position decrease of 559 hands [12]. IC (CSI 500) - Total position slightly decreased, with a decrease of 1024 hands on December 23, and the main contract 2603's position decreased by 2042 hands [1][17]. - Among the top twenty long - position seats, Guotai Junan Futures ranked first with a total position of 40391 hands. Haitong Futures had the largest long - position increase of 562 hands, and CITIC Futures had the largest long - position decrease of 1355 hands [18]. - Among the top twenty short - position seats, CITIC Futures ranked first with a total position of 42442 hands. JPMorgan Chase Futures had the largest short - position increase of 495 hands, and CITIC Futures had the largest short - position decrease of 1621 hands [20]. IM (CSI 1000) - Total position slightly increased, with a rise of 2002 hands on December 23, and the main contract 2603's position increased by 1396 hands [1][23]. - Among the top twenty long - position seats, Guotai Junan Futures ranked first with a total position of 50408 hands. Guotai Junan Futures had the largest long - position increase of 890 hands, and Everbright Futures had the largest long - position decrease of 323 hands [23]. - Among the top twenty short - position seats, CITIC Futures ranked first with a total position of 70065 hands. Haitong Futures had the largest short - position increase of 953 hands, and CITIC Futures had the largest short - position decrease of 1448 hands [25].