股指期货持仓日度跟踪-20250919

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]