期指：寰球共振，震荡偏强

Report Industry Investment Rating - Not provided Core View of the Report - On August 12, the current-month contracts of the four major index futures all rose. The overall trading volume of index futures declined, indicating a decrease in investors' trading enthusiasm. The overall open interest of all four major index futures decreased [1][2]. - The trend strength of IF and IH is 1, and that of IC and IM is also 1. The market is in a situation of global resonance, oscillating with a slight upward bias [6]. Summary by Relevant Catalogs 1. Index Futures Data Tracking - IF Series: The closing price of the underlying CSI 300 was 4143.83, up 0.52%. Among the futures contracts, IF2508 closed at 4144.4, up 0.52%, with a basis of 0.57; IF2509 closed at 4131.2, up 0.51%, with a basis of -12.63; IF2512 closed at 4102, up 0.51%, with a basis of -41.83; IF2603 closed at 4069.6, up 0.51%, with a basis of -74.23. The total trading volume decreased by 1165 lots, and the total open interest decreased by 8595 lots [1][2]. - IH Series: The closing price of the underlying SSE 50 was 2807.01, up 0.61%. Among the futures contracts, IH2508 closed at 2809.8, up 0.62%, with a basis of 2.79; IH2509 closed at 2809.6, up 0.61%, with a basis of 2.59; IH2512 closed at 2811.4, up 0.64%, with a basis of 4.39; IH2603 closed at 2811, up 0.64%, with a basis of 3.99. The total trading volume increased by 8277 lots, and the total open interest decreased by 1720 lots [1][2]. - IC Series: The closing price of the underlying CSI 500 was 6418.16, up 0.41%. Among the futures contracts, IC2508 closed at 6409.2, up 0.52%, with a basis of -8.96; IC2509 closed at 6342.6, up 0.52%, with a basis of -75.56; IC2512 closed at 6190, up 0.58%, with a basis of -228.16; IC2603 closed at 6051.6, up 0.54%, with a basis of -366.56. The total trading volume decreased by 14462 lots, and the total open interest decreased by 9999 lots [1][2]. - IM Series: The closing price of the underlying CSI 1000 was 6963.61, up 0.28%. Among the futures contracts, IM2508 closed at 6954.2, up 0.31%, with a basis of -9.41; IM2509 closed at 6883.6, up 0.31%, with a basis of -80.01; IM2512 closed at 6694.2, up 0.30%, with a basis of -269.41; IM2603 closed at 6512, up 0.30%, with a basis of -451.61. The total trading volume decreased by 38939 lots, and the total open interest decreased by 20490 lots [1][2]. 2. Top 20 Member Open Interest Changes - IF Contracts: For IF2508, long positions decreased by 5297 lots, with a net change of -8242 lots; short positions decreased by 5061 lots, with a net change of -7997 lots. For IF2509, long positions decreased by 2979 lots, and short positions decreased by 2507 lots. For IF2512, long positions increased by 344 lots, and short positions decreased by 254 lots. For IF2603, long positions decreased by 310 lots, and short positions decreased by 175 lots [5]. - IH Contracts: For IH2508, long positions decreased by 1110 lots, with a net change of -1400 lots; short positions decreased by 1003 lots, with a net change of -1056 lots. For IH2509, long positions increased by 76 lots, and short positions increased by 416 lots. For IH2512, long positions decreased by 366 lots, and short positions decreased by 469 lots. The data for IH2603 was not announced [5]. - IC Contracts: For IC2508, long positions decreased by 4194 lots, with a net change of -9005 lots; short positions decreased by 4730 lots, with a net change of -8928 lots. For IC2509, long positions decreased by 2972 lots, and short positions decreased by 2715 lots. For IC2512, long positions decreased by 1306 lots, and short positions decreased by 1069 lots. For IC2603, long positions decreased by 533 lots, and short positions decreased by 414 lots [5]. - IM Contracts: For IM2508, long positions decreased by 8911 lots, with a net change of -16351 lots; short positions decreased by 9453 lots, with a net change of -17297 lots. For IM2509, long positions decreased by 5810 lots, and short positions decreased by 6384 lots. For IM2512, long positions decreased by 1630 lots, and short positions decreased by 1460 lots. The data for IM2603 was not announced [5]. 3. Important Drivers - Policy News: China and the US issued the Joint Statement of the China-US Stockholm Economic and Trade Talks. Both sides will continue to suspend the implementation of 24% reciprocal tariffs for 90 days. The three departments jointly issued the Implementation Plan for the Fiscal Interest Subsidy Policy for Personal Consumption Loans, and eligible personal consumption loans can enjoy the interest subsidy policy [6]. - Global Market Conditions: Inflation data strengthened the expectation of interest rate cuts. The Nasdaq and S&P reached new highs, Ethereum rose 9%, and the Russell small-cap index soared 3%. The 2-year US Treasury yield fell nearly 3 basis points, the US dollar fell 0.47%, gold fluctuated widely around $3350, and crude oil closed lower [6]. - A-share Market: The A-share market continued its slow-bull pattern. The STAR 50 led the rise, and the ChiNext Index broke through its previous high. More than 3100 stocks closed lower, and market divergence intensified before reaching new highs [6].