期指：多空交织，震荡格局

Group 1: Report Industry Investment Rating - No relevant content provided Group 2: Core Viewpoints of the Report - On January 15, the current - month contracts of the four major stock index futures showed mixed trends. IF rose 0.32%, IH fell 0.24%, IC rose 0.14%, and IM rose 0.3% [1] - On this trading day, the total trading volume of stock index futures rebounded, indicating an increase in investors' trading enthusiasm. The total trading volume of IF, IH, IC, and IM increased by 35,576 lots, 13,666 lots, 81,143 lots, and 73,493 lots respectively. In terms of positions, the total positions of IF, IH, IC, and IM increased by 12,419 lots, 3,997 lots, 17,852 lots, and 13,386 lots respectively [2] - The central bank introduced a policy "combination punch" to support the high - quality development of the real economy, including interest rate cuts and increasing loan quotas. A - share market had a divergence between large and small - cap indexes, with the Shanghai Composite Index falling in light trading volume, while the ChiNext Index rose. The semiconductor industry chain exploded in the afternoon, and the precious metals sector continued to strengthen [6] - The Hong Kong stock market fluctuated lower, with the Hang Seng Index, Hang Seng Tech Index, and Hang Seng China Enterprises Index all falling. The market turnover decreased compared with the previous trading day [7] Group 3: Summary by Relevant Catalogs 1. Stock Index Futures Data Tracking - IF Series: The closing prices of IF2601 - IF2606 showed different changes, with the highest increase of 0.32% for IF2601. The trading volume and positions of different contracts also changed, such as the trading volume of IF2601 decreasing by 10,382 lots and the positions decreasing by 8,395 lots [1] - IH Series: The closing prices of IH2601 - IH2606 had different trends, mainly showing a decline. For example, IH2601 fell 0.24%. The trading volume and positions changes of each contract were also different [1] - IC Series: The closing prices of IC2601 - IC2606 generally showed an upward trend, with the highest increase of 0.53% for IC2606. The trading volume and positions of different contracts changed accordingly [1] - IM Series: The closing prices of IM2601 - IM2606 all rose, with the highest increase of 0.56% for IM2606. The trading volume and positions of different contracts had different changes [1] 2. Changes in the Positions of the Top 20 Members of Stock Index Futures - For different contracts of IF, IH, IC, and IM, the increase or decrease of long and short positions of the top 20 members varied. For example, in IF2601, the long - position decrease was - 7442, and the short - position decrease was - 9108 [5] 3. Market Trends and Influencing Factors - The central bank's policy "combination punch" included measures such as cutting interest rates of various structural monetary policy tools by 0.25 percentage points, increasing loan quotas, and adjusting the minimum down - payment ratio for commercial real estate loans. The A - share market had a divergence between large and small - cap indexes, and the Hong Kong stock market fluctuated lower [6][7]