期指：结构性行情为主

Report Summary 1. Industry Investment Rating No industry investment rating is provided in the report. 2. Core View The market is characterized by a structural trend. On January 19, the four major index futures contracts for the current month showed mixed performance. On the trading day, the total trading volume of index futures declined, indicating a decrease in investors' trading enthusiasm. The positions of the four major index futures also changed, with some increasing and some decreasing [1][2][3]. 3. Summary by Relevant Catalogs 3.1 Index Futures Data Tracking - Closing Price and Fluctuation: The closing prices of various index futures showed different degrees of increase or decrease. For example, the CSI 300 index closed at 4734.5, up 0.05%; the SSE 50 index closed at 3075.9, down 0.12%; the CSI 500 index closed at 8288, up 0.67%; and the CSI 1000 index closed at 8265.7, up 0.40% [1]. - Basis: The basis of different index futures and their contracts also varied. For instance, the basis of IF2602 was -1.66, and that of IH2602 was 0.46 [1]. - Trading Volume and Open Interest: The trading volume and open interest of each index futures contract changed. For example, the trading volume of IF2602 decreased by 5290 lots, and the open interest decreased by 1168 lots [1]. 3.2 Market Activity - Trading Volume: The total trading volume of index futures decreased. Specifically, the total trading volume of IF decreased by 34310 lots, IH by 18564 lots, IC by 21181 lots, and IM by 35971 lots [2]. - Open Interest: The total open interest of index futures also changed. The total open interest of IF decreased by 4289 lots, IH by 1610 lots, IC increased by 6196 lots, and IM increased by 1234 lots [3]. 3.3 Top 20 Member Positions The positions of the top 20 members in different index futures contracts changed. For example, in the IF2601 contract, the long - position decreased by 1007 lots, and the short - position decreased by 724 lots [5]. 3.4 Trend Intensity The trend intensity of IF and IH is 1, and that of IC and IM is also 1. The trend intensity ranges from - 2 to 2, with - 2 being the most bearish and 2 being the most bullish [6]. 3.5 Important Drivers - A - share Market: A - shares were in a shrinking and volatile state. The Shanghai Composite Index rose 0.29% to 4114 points, the Shenzhen Component Index rose 0.09%, the ChiNext Index fell 0.7%, and the total trading volume of A - shares was 2.73 trillion yuan, down from 3.06 trillion yuan the previous day [7]. - Hong Kong Stock Market: Hong Kong stocks opened lower and closed lower. The Hang Seng Index fell 1.05% to 26563.9 points, the Hang Seng Tech Index fell 1.24%, and the total trading volume was 2256.9 billion Hong Kong dollars, down from 2550.79 billion Hong Kong dollars the previous day [7]. - Macroeconomic Data: In 2025, China's GDP was 1401879 billion yuan, a 5% increase compared to the previous year. The national population at the end of 2025 was 1404890000, a decrease of 3390000 from the previous year, with a natural population growth rate of - 2.41‰ [7][8].