期指：金融题材支撑，偏强震荡

Report Summary 1. Report Industry Investment Rating No information provided. 2. Core Viewpoints - The stock index futures are expected to have a relatively strong and volatile trend, supported by financial themes [1]. - On June 25, all the current - month contracts of the four major stock index futures rose, with IF up 1.68%, IH up 1.59%, IC up 2%, and IM up 1.81% [1]. - The total trading volume of stock index futures rebounded on the trading day, indicating an increase in investors' trading enthusiasm. The total trading volume of IF, IC, and IM increased, while that of IH decreased. The total positions of all four types of futures increased [1][2]. 3. Summary by Relevant Catalogs 3.1. Stock Index Futures Data Tracking - CSI 300 and Related Futures: The CSI 300 closed at 3960.07, up 1.44%. Futures contracts such as IF2507, IF2508, IF2509, and IF2512 all rose, with trading volumes and positions showing different changes. For example, IF2507 had a trading volume of 48,249 (up 5,145) and a position of 71,641 (up 2,775) [1]. - SSE 50 and Related Futures: The SSE 50 closed at 2747.73, up 1.17%. Futures contracts like IH2507, IH2508, IH2509, and IH2512 also increased. The trading volume of IH2507 decreased by 482, while its position increased by 2,688 [1]. - CSI 500 and Related Futures: The CSI 500 closed at 5862.55, up 1.68%. Futures contracts including IC2507, IC2508, IC2509, and IC2512 all went up. IC2507 had a trading volume of 50,210 (up 5,766) and a position of 81,182 (up 4,175) [1]. - CSI 1000 and Related Futures: The CSI 1000 closed at 6276.16, up 1.32%. Futures contracts such as IM2507, IM2508, IM2509, and IM2512 all rose. IM2507 had a trading volume of 74,258 (up 8,223) and a position of 98,805 (up 1,472) [1]. 3.2. Trading Volume and Position Changes - Trading Volume: The total trading volume of IF increased by 9,685 lots, IH decreased by 784 lots, IC increased by 15,870 lots, and IM increased by 33,750 lots [2]. - Positions: The total positions of IF increased by 12,395 lots, IH increased by 5,800 lots, IC increased by 12,841 lots, and IM increased by 20,157 lots [2]. 3.3. Basis and Member Position Changes - Basis: The basis data of IF, IH, IC, and IM futures contracts are presented in graphical form, showing the basis changes over time [4]. - Member Positions: The changes in the long and short positions of the top 20 members of each futures contract are provided. For example, in IF2507, the long - position increase was 3,053, and the short - position increase was 2,382 [5]. 3.4. Trend Strength and Important Drivers - 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 - strong trend [6]. - Important Drivers: Nvidia's over 4% increase to a record high supported the Nasdaq's three - day gain. The A - share market continued its rebound with large trading volume. The big - finance sector led the rise, while oil and gas stocks continued to adjust [6].