期指：延续震荡

Report Industry Investment Rating - Not provided in the given content Core View - On December 2nd, all four major stock index futures contracts declined. IF fell 0.32%, IH fell 0.4%, IC fell 0.63%, and IM fell 0.64%. The total trading volume of stock index futures decreased, indicating a cooling of investors' trading enthusiasm. In terms of positions, the total positions of IF, IH, IC, and IM all decreased [1][2]. Summary by Relevant Catalogs 1. Stock Index Futures Data - IF: The closing price of IF2512 was 4535.8, down 0.32%, with a basis of -18.53, a trading volume of 760.1 billion, a trading volume of 55827 contracts, a decrease of 12773 contracts, and an open interest of 138432 contracts, a decrease of 7168 contracts [1]. - IH: The closing price of IH2512 was 2971.4, down 0.4%, with a basis of -7.07, a trading volume of 224.4 billion, a trading volume of 25152 contracts, a decrease of 6884 contracts, and an open interest of 53855 contracts, a decrease of 5275 contracts [1]. - IC: The closing price of IC2512 was 6982.2, down 0.63%, with a basis of -58.1, a trading volume of 756.8 billion, a trading volume of 54148 contracts, a decrease of 10161 contracts, and an open interest of 127620 contracts, a decrease of 6889 contracts [1]. - IM: The closing price of IM2512 was 7239.6, down 0.64%, with a basis of -73.58, a trading volume of 1396.3 billion, a trading volume of 96449 contracts, a decrease of 11212 contracts, and an open interest of 181453 contracts, a decrease of 7566 contracts [1]. 2. Trading Volume and Open Interest Changes - Trading Volume: The total trading volume of IF decreased by 15395 contracts, IH decreased by 7934 contracts, IC decreased by 10749 contracts, and IM decreased by 12406 contracts [2]. - Open Interest: The total open interest of IF decreased by 5611 contracts, IH decreased by 5305 contracts, IC decreased by 3458 contracts, and IM decreased by 5286 contracts [2]. 3. Top 20 Member Position Changes - IF: For IF2512, long positions decreased by 5565, and short positions decreased by 7152. For IF2603, long positions increased by 473, and short positions increased by 346. For IF2606, long positions increased by 188, and short positions increased by 412 [5]. - IH: For IH2512, long positions decreased by 4471, and short positions decreased by 4910. For IH2603, long positions decreased by 365, and short positions decreased by 244 [5]. - IC: For IC2512, long positions decreased by 3958, and short positions decreased by 5483. For IC2603, long positions increased by 1343, and short positions increased by 1669. For IC2606, long positions increased by 796, and short positions increased by 766 [5]. - IM: For IM2512, long positions decreased by 4599, and short positions decreased by 6179. For IM2601, long positions increased by 1034, and short positions increased by 939. For IM2603, long positions decreased by 616, and short positions decreased by 659 [5]. 4. Other Information - Trend Intensity: The trend intensity of IF and IH is 1, and the trend intensity of IC and IM is 1 [6]. - Important Drives: US President Trump plans to announce the next Federal Reserve Chairman in early 2026. The A - share market declined with reduced trading volume, and the US three major stock indexes rose slightly [6][7].