期指：大涨后的偏强震荡

Report Summary 1. Report Industry Investment Rating No information provided. 2. Core Viewpoints - On January 5, 2026, all four major stock index futures contracts for the current month rose, with IF up 2.07%, IH up 2.42%, IC up 2.81%, and IM up 2.37% [1]. - On the trading day, the total trading volume of stock index futures rebounded, indicating increased trading enthusiasm among investors. The total trading volume of IF, IH, IC, and IM increased by 20,649 lots, 6,347 lots, 29,217 lots, and 24,485 lots respectively. In terms of positions, the total positions of IF, IH, IC, and IM increased by 8,201 lots, 3,543 lots, 22,660 lots, and 13,346 lots respectively [2]. - The trend strength of IF and IH is 1, and that of IC and IM is also 1. The A - share market had a good start in 2026, with the Shanghai Composite Index rising by more than 1% and returning to 4,000 points, and the ChiNext Index surging nearly 3%. The Hong Kong stock market fluctuated slightly up, with the biotechnology and semiconductor industries strengthening [6][7]. 3. Summary by Relevant Catalogs 3.1. Stock Index Futures Data Tracking - CSI 300 and Related Futures: The CSI 300 closed at 4,717.8, up 1.90%. Among its futures, IF2601 closed at 4,714, up 2.07%, with a basis of - 3.75; IF2602 closed at 4,702.6, up 2.14%, with a basis of - 15.15; IF2603 closed at 4,697, up 2.26%, with a basis of - 20.75; IF2606 closed at 4,649.8, up 2.23%, with a basis of - 67.95 [1]. - SSE 50 and Related Futures: The SSE 50 closed at 3,099.8, up 2.26%. Among its futures, IH2601 closed at 3,097.4, up 2.42%, with a basis of - 2.35; IH2602 closed at 3,099.6, up 2.59%, with a basis of - 0.15; IH2603 closed at 3,098.8, up 2.55%, with a basis of - 0.95; IH2606 closed at 3,088.8, up 2.56%, with a basis of - 10.95 [1]. - CSI 500 and Related Futures: The CSI 500 closed at 7,651.2, up 2.49%. Among its futures, IC2601 closed at 7,664.8, up 2.81%, with a basis of 13.6; IC2602 closed at 7,624.8, up 2.95%, with a basis of - 26.4; IC2603 closed at 7,596, up 3.11%, with a basis of - 55.2; IC2606 closed at 7,417, up 3.27%, with a basis of - 234.2 [1]. - CSI 1000 and Related Futures: The CSI 1000 closed at 7,753.9, up 2.09%. Among its futures, IM2601 closed at 7,759.2, up 2.37%, with a basis of 5.32; IM2602 closed at 7,697.8, up 2.56%, with a basis of - 56.08; IM2603 closed at 7,639, up 2.69%, with a basis of - 114.9; IM2606 closed at 7,403.4, up 2.76%, with a basis of - 350.5 [1]. 3.2. Position Changes of the Top 20 Futures Members - For IF contracts, in IF2601, long positions decreased by 607 and short positions increased by 347; in IF2603, long positions increased by 5,858 and short positions increased by 5,971; in IF2606, long positions increased by 1,027 and short positions increased by 490 [5]. - For IH contracts, in IH2601, long positions decreased by 62 and short positions increased by 168; in IH2603, long positions increased by 2,259 and short positions increased by 2,443; in IH2606, long positions increased by 206 and short positions increased by 91 [5]. - For IC contracts, in IC2601, long positions increased by 598 and short positions increased by 1,459; in IC2603, long positions increased by 11,123 and short positions increased by 12,210; in IC2606, long positions increased by 2,786 and short positions increased by 2,146 [5]. - For IM contracts, in IM2601, long positions decreased by 1,660 and short positions decreased by 909; in IM2602, long positions increased by 2,233 and short positions increased by 2,659; in IM2603, long positions increased by 4,700 and short positions increased by 8,413 [5]. 3.3. Market Trends and Drivers - A - share Market: The A - share market had a good start in 2026. The Shanghai Composite Index rose 1.38% to 4,023.42 points, the Shenzhen Component Index rose 2.24%, the ChiNext Index rose 2.85%, the Beixin 50 rose 1.8%, the Kechuang 50 rose 4.41%, and the Wind All - A Index rose 1.99%. The total trading volume was 2.57 trillion yuan, compared with 2.07 trillion yuan the previous day [6]. - Hong Kong Stock Market: The Hong Kong stock market fluctuated slightly up. The Hang Seng Index rose 0.03% to 26,347.24 points, the Hang Seng Tech Index rose 0.09% to 5,741.63 points, and the Hang Seng China Enterprises Index fell 0.22% to 9,148.47 points. The market trading volume was HK$283.462 billion, significantly higher than the previous trading day's HK$140.864 billion [7]. - US Stock Market: The three major US stock indexes all closed up. The Dow Jones Industrial Average rose 1.23% to 48,977.18 points, reaching a new record high; the S&P 500 Index rose 0.64% to 6,902.05 points; the Nasdaq Composite Index rose 0.69% to 23,395.82 points [8].