期指：情绪积极，震荡偏强

1. Report's Investment Rating for the Industry - No information about the report's investment rating for the industry is provided. 2. Core View of the Report - On December 25, 2025, all four major index futures contracts for the current month rose. The overall sentiment is positive, with the market expected to be volatile but on an upward trend [1]. 3. Summary by Relevant Catalogs 3.1 Index Futures Data Tracking - Price and Change: The closing prices of CSI 300, SSE 50, CSI 500, and CSI 1000 all increased, with gains of 0.18%, 0.25%, 0.80%, and 0.97% respectively. The corresponding index futures contracts also showed varying degrees of increase [1]. - Trading Volume and Open Interest: The total trading volume of index futures decreased, indicating a cooling of investors' trading enthusiasm. Specifically, the total trading volume of IF, IH, IC, and IM decreased by 11,854, 7,004, 12,456, and 14,596 lots respectively. In terms of open interest, IF and IC decreased by 563 and 3,891 lots respectively, IH increased by 197 lots, and IM decreased by 3,977 lots [1][2]. - Basis: The basis data for different index futures contracts are presented, showing the differences between the futures prices and the spot prices [1]. 3.2 Top 20 Member Positions in Index Futures - The data shows the changes in long and short positions of the top 20 members in different index futures contracts. For example, in the IF2601 contract, long positions decreased by 1,522 lots, and short positions decreased by 2,499 lots [5]. 3.3 Trend Strength - The trend strength of IF and IH is 1, and that of IC and IM is also 1, indicating a relatively neutral - to - slightly bullish trend [6]. 3.4 Important Drivers - The offshore RMB against the US dollar broke through the 7.0 mark during intraday trading for the first time since September 2024. Most views believe that the RMB against the US dollar has the basis for continued appreciation in 2026 [6]. - From January to November this year, 25,800 urban old residential areas were newly started for renovation across the country, and 22 regions and the Xinjiang Production and Construction Corps have completed their annual renovation plans [6]. 3.5 Market Conditions - The Politburo held a meeting to study and deploy the work of improving Party conduct, building a clean government, and combating corruption in 2026 [7]. - The A - share market continued to rise, with the Shanghai Composite Index recording seven consecutive positive days. The trading volume reached 1.94 trillion yuan, slightly higher than the previous day. Some sectors such as commercial aerospace and paper - making performed strongly, while others like Hainan Free Trade Zone and precious metals weakened [7].