1. Report Title and Date - The report is titled "Stock Index Futures Data Daily Report" and dated December 4, 2025 [1][2] 2. Overall Market Performance Summary IM Contracts - The main IM contract rose 0.33% to close at 7,213.4 points. The total trading volume of the four IM contracts was 172,057 lots, down 5,429 lots from the previous day, and the total open interest was 357,216 lots, down 13,768 lots [4][5] IF Contracts - The main IF contract rose 0.32% to close at 4,530.6 points. The total trading volume of the four IF contracts was 92,574 lots, down 5,184 lots from the previous day, and the total open interest was 261,904 lots, down 3,942 lots [24][25] IC Contracts - The main IC contract rose 0.55% to close at 6,983.2 points. The total trading volume of the four IC contracts was 99,796 lots, down 2,272 lots from the previous day, and the total open interest was 244,189 lots, down 8,576 lots [43][44] IH Contracts - The main IH contract rose 0.34% to close at 2,968.2 points. The total trading volume of the four IH contracts was 39,273 lots, down 44 lots from the previous day, and the total open interest was 87,594 lots, down 3,020 lots [59] 3. Specific Contract Data IM Contracts | Contract | Closing Price | Change | Trading Volume | Volume Change | Turnover | Turnover Change | Open Interest | Interest Change | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | CSI 1000 | 7,248.66 | 0.01% | 19,484 | -9% | 3,113 billion | -7% | - | - | | IM2512 | 7,213.40 | 0.39% | 116,454 | -2% | 1,674 billion | -2% | 181,088 | -11,986 | | IM2601 | 7,137.20 | 0.33% | 7,618 | 5% | 108 billion | 5% | 17,229 | 1,137 | | IM2603 | 6,987.80 | 0.38% | 35,706 | -4% | 497 billion | -4% | 102,333 | -1,707 | | IM2606 | 6,748.20 | 0.41% | 12,279 | -15% | 165 billion | -15% | 56,566 | -1,212 | [4] IF Contracts | Contract | Closing Price | Change | Trading Volume | Volume Change | Turnover | Turnover Change | Open Interest | Interest Change | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | SSE 300 | 4,546.57 | 0.34% | 14,720 | -13% | 3,488 billion | -7% | - | - | | IF2512 | 4,530.60 | 0.38% | 63,708 | -6% | 865 billion | -6% | 136,475 | -5,723 | | IF2601 | 4,512.20 | 0.32% | 3,708 | 0% | 5 billion | 0% | 8,471 | 505 | | IF2603 | 4,492.20 | 0.34% | 20,155 | -5% | 271 billion | -5% | 90,771 | 851 | | IF2606 | 4,441.60 | 0.27% | 5,003 | 0% | 67 billion | 0% | 26,187 | 425 | [24] IC Contracts | Contract | Closing Price | Change | Trading Volume | Volume Change | Turnover | Turnover Change | Open Interest | Interest Change | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | CSI 500 | 7,012.81 | 0.24% | 14,104 | -11% | 2,399 billion | -5% | - | - | | IC2512 | 6,983.20 | 0.61% | 64,721 | -4% | 901 billion | -4% | 123,278 | -10,513 | | IC2601 | 6,926.20 | 0.55% | 4,034 | 7% | 56 billion | 7% | 11,229 | 789 | | IC2603 | 6,812.20 | 0.59% | 23,747 | 0% | 323 billion | 0% | 76,774 | 1,096 | | IC2606 | 6,605.00 | 0.59% | 7,294 | 0% | 96 billion | 0% | 32,908 | 52 | [43] IH Contracts | Contract | Closing Price | Change | Trading Volume | Volume Change | Turnover | Turnover Change | Open Interest | Interest Change | | --- | --- | --- | --- | --- | --- | --- | --- | --- | | SSE 50 | 2,974.34 | 0.38% | 3,628 | -6% | 886 billion | 4% | - | - | | IH2512 | 2,968.20 | 0.44% | 27,688 | 0% | 246 billion | 0% | 53,262 | -2,692 | | IH2601 | 2,959.80 | 0.34% | 1,268 | 25% | 11 billion | 25% | 2,694 | 228 | | IH2603 | 2,958.60 | 0.37% | 8,640 | 3% | 77 billion | 3% | 23,841 | -354 | | IH2606 | 2,943.80 | 0.36% | 1,677 | -29% | 15 billion | -29% | 7,797 | -202 | [59] 4. Basis and Annualized Basis Rate IM Contracts - The main IM contract was at a discount of 35.26 points, up 17.61 points from the previous day, with an annualized basis rate of -11.15% [5] IF Contracts - The main IF contract was at a discount of 15.97 points, down 3.12 points from the previous day, with an annualized basis rate of -8.04% [25] IC Contracts - The main IC contract was at a discount of 29.61 points, up 16.35 points from the previous day, with an annualized basis rate of -9.67% [44] IH Contracts - The main IH contract was at a discount of 6.14 points, down 1.46 points from the previous day, with an annualized basis rate of -4.72% [60] 5. Main Seats' Data IM2512 - For trading volume, the top five seats were CITIC Futures (on behalf of clients) with 14,784 lots, up 321 lots; Guotai Junan (on behalf of clients) with 11,474 lots, down 625 lots; Haitong Futures (on behalf of clients) with 5,779 lots, down 200 lots; Guoxin Futures (on behalf of clients) with 3,280 lots, down 59 lots; and Dongzheng Futures (on behalf of clients) with 3,042 lots, up 104 lots [19] - For long positions, the top five seats were Guotai Junan (on behalf of clients) with 15,520 lots, down 637 lots; CITIC Futures (on behalf of clients) with 10,314 lots, down 492 lots; Yide Futures (on behalf of clients) with 5,060 lots, up 9 lots; Haitong Futures (on behalf of clients) with 4,679 lots, down 376 lots; and Guotou Futures (on behalf of clients) with 4,084 lots, up 108 lots [19] - For short positions, the top five seats were CITIC Futures (on behalf of clients) with 20,445 lots, up 192 lots; Guotai Junan (on behalf of clients) with 15,590 lots, down 735 lots; Huatai Futures (on behalf of clients) with 5,813 lots, down 103 lots; Guoxin Futures (on behalf of clients) with 4,184 lots, down 164 lots; and Haitong Futures (on behalf of clients) with 4,118 lots, down 603 lots [19] Other Contracts - Similar data is provided for other contracts such as IF, IC, and IH in relevant sections of the report [38][54][76]