Report Summary 1. Investment Rating No investment rating information is provided in the report. 2. Core View The report presents the daily arbitrage data of various futures varieties on September 17, 2025, including power coal, energy chemicals, black metals, non - ferrous metals, agricultural products, and stock index futures, aiming to provide data reference for investors [1][5][21][27][40][51]. 3. Summary by Category 3.1 Power Coal - **Base Difference**: On September 16, 2025, the base difference was - 113.4 yuan/ton, showing a narrowing trend compared with previous days [2]. - **Spread**: The spreads of 5 - 1 month, 9 - 1 month, and 9 - 5 month were all 0.0 [2]. 3.2 Energy Chemicals - **Energy Commodities**: The base differences of fuel oil, INE crude oil, and other energy commodities on different dates are presented, such as the base difference of INE crude oil being 16.04 yuan/ton on September 16, 2025 [7]. - **Chemical Commodities** - **Base Difference**: The base differences of rubber, methanol, PTA, etc. on different dates are provided, for example, the base difference of rubber was - 890 yuan/ton on September 16, 2025 [9]. - **Spread**: The spreads of 5 - 1 month, 9 - 1 month, and 9 - 5 month for various chemical products were mostly 0.0. The cross - variety spreads like LLDPE - PVC, LLDPE - PP, etc. on different dates are also given, e.g., the LLDPE - PVC spread was 2296 yuan/ton on September 16, 2025 [10]. 3.3 Black Metals - **Spread** - **Cross - Period**: The cross - period spreads of rebar, iron ore, etc. are shown, for example, the 5 - 1 month spread of rebar was 68.0 yuan/ton [20]. - **Cross - Variety**: The cross - variety spreads such as screw/ore, screw/coke on different dates are presented, e.g., the screw/ore ratio was 3.93 on September 16, 2025 [20]. - **Base Difference**: The base differences of rebar, iron ore, etc. on different dates are provided, like the base difference of rebar was 114.0 yuan/ton on September 16, 2025 [21]. 3.4 Non - Ferrous Metals - **Domestic Market**: The domestic base differences of copper, aluminum, etc. on different dates are given, for example, the base difference of copper was - 80 yuan/ton on September 16, 2025 [28]. - **London Market**: The LME spreads, Shanghai - London ratios, CIF prices, domestic spot prices, and import profit and loss of LME non - ferrous metals on September 16, 2025 are presented, such as the LME spread of copper being (59.26) [34]. 3.5 Agricultural Products - **Base Difference**: The base differences of soybeans, soybean meal, etc. on different dates are provided, for example, the base difference of soybeans was 136 yuan/ton on September 16, 2025 [40]. - **Spread** - **Cross - Period**: The cross - period spreads of various agricultural products are shown, e.g., the 5 - 1 month spread of soybeans was 47 [40]. - **Cross - Variety**: The cross - variety spreads such as soybean/corn, soybean oil/soybean meal on different dates are presented, like the soybean/corn ratio was 1.81 on September 16, 2025 [40]. 3.6 Stock Index Futures - **Base Difference**: On September 16, 2025, the base differences of CSI 300, SSE 50, etc. were 6.54, - 2.78, etc. respectively [52]. - **Spread**: The cross - period spreads of CSI 300, SSE 50, etc. are given, for example, the next - month - current - month spread of CSI 300 was - 10.0 [52].

1. Report Industry Investment Rating - Not provided in the content 2. Core View of the Report - Copper prices may fluctuate within a short - term range. Weekend night - session copper prices dropped 0.31%. With tight concentrate supply and pressured smelting profits, smelting output still shows high growth. Multiple factors such as power industry growth, possible slowdown in PV growth, positive growth in auto production and sales, slowing home appliance output growth, and weak real estate make the copper market have both positive and negative factors [2]. - Zinc prices may have a short - term wide - range and weak - trend fluctuation. Weekend night - session zinc prices dropped 0.02%. Zinc concentrate processing fees are rising, and smelting profits are turning positive, with smelting output expected to continue rising. Short - term supply - demand differences may tilt towards surplus [2]. 3. Summary by Relevant Information Metal Price Performance - Copper: The domestic previous - day futures closing price was 81,360 yuan/ton, with a basis of 40 yuan/ton. The previous - day LME 3 - month contract closing price was 10,068 dollars/ton, and the LME现货升贴水 was - 73.42 dollars/ton. LME inventory was 154,175 tons, with a daily decrease of 875 tons [2]. - Aluminum: The domestic previous - day futures closing price was 21,285 yuan/ton, with a basis of - 40 yuan/ton. The previous - day LME 3 - month contract closing price was 2,701 dollars/ton, and the LME现货升贴水 was 6.35 dollars/ton. LME inventory was 485,275 tons, with no change [2]. - Zinc: The domestic previous - day futures closing price was 22,250 yuan/ton, with a basis of - 75 yuan/ton. The previous - day LME 3 - month contract closing price was 2,956 dollars/ton, and the LME现货升贴水 was 30.17 dollars/ton. LME inventory was 50,625 tons, with a daily decrease of 200 tons [2]. - Nickel: The domestic previous - day futures closing price was 121,800 yuan/ton, with a basis of - 2,330 yuan/ton. The previous - day LME 3 - month contract closing price was 15,391 dollars/ton, and the LME现货升贴水 was - 171.20 dollars/ton. LME inventory was 223,152 tons, with a daily increase of 2,058 tons [2]. - Lead: The domestic previous - day futures closing price was 17,000 yuan/ton, with a basis of - 125 yuan/ton. The previous - day LME 3 - month contract closing price was 2,018 dollars/ton, and the LME现货升贴水 was - 41.16 dollars/ton. LME inventory was 232,625 tons, with a daily decrease of 4,375 tons [2]. - Tin: The domestic previous - day futures closing price was 273,180 yuan/ton, with a basis of - 2,300 yuan/ton. The previous - day LME 3 - month contract closing price was 34,955 dollars/ton, and the LME现货升贴水 was - 34.98 dollars/ton. LME inventory was 2,385 tons, with a daily decrease of 25 tons [2].