Group 1: Report Summary Investment Ratings - The report does not provide industry investment ratings. Core Views - **Carbonate Lithium**: The market is currently experiencing strong supply and demand. However, after the holiday, as the downstream restocking pace slows, there is a risk of price decline. The market is affected by factors such as new production line launches, downstream psychological price expectations, and inventory levels [2][5]. - **Industrial Silicon**: The short - term supply and demand situation is acceptable, but there is uncertainty in the future. The market is influenced by factors like the upcoming dry season in the southwest, production increase expectations in Xinjiang, and the "production - limiting and sales - controlling" plan in the polysilicon industry [6]. - **Polysilicon**: The fundamentals are weak. Despite rumors of production cuts, companies have not yet taken action, leading to inventory accumulation. The market is also affected by policy expectations and downstream demand weakening [8]. Trading Strategies - **Carbonate Lithium**: Upstream companies should seize opportunities to sell and hedge when prices rise, while downstream cathode material enterprises should focus on low - price stockpiling or buying hedges. The support level for the main contract is 68,000 - 70,000 yuan, and the resistance level is 75,000 - 76,000 yuan [5][14]. - **Industrial Silicon**: Adopt an interval trading strategy. The support interval is 8,200 - 8,300 yuan, and the resistance interval is 9,200 - 9,300 yuan. In the face of increased overseas risks and macro - factor disturbances, investors should manage risks and trade with light positions [7][14]. - **Polysilicon**: Consider short - selling on rebounds. The support interval for the main contract is 47,000 - 48,000 yuan, and the resistance interval is 52,000 - 53,000 yuan [8]. Group 2: First Part - Spot Prices 1. Plate Strategy Recommendation - **Carbonate Lithium 11**: The market logic is strong supply and demand with a weakening atmosphere. The support is 68,000 - 70,000 yuan, the pressure is 75,000 - 76,000 yuan, the market is expected to decline in a volatile manner. Upstream companies should sell and hedge when prices rise, and downstream cathode material enterprises should focus on low - price stockpiling or buying hedges [14]. - **Industrial Silicon 11**: Short - term supply and demand are acceptable, but there is high uncertainty in the future. The support is 8,200 - 8,300 yuan, the pressure is 9,200 - 9,300 yuan, and the market is expected to fluctuate within a range. Adopt an interval trading strategy [14]. - **Polysilicon 11**: The weakening trend at the terminal may gradually spread upstream. The support is 47,000 - 48,000 yuan, the pressure is 52,000 - 53,000 yuan, the market is expected to fluctuate widely. Pay attention to short - selling opportunities on rebounds [14]. - **Arbitrage Recommendation**: There are currently no good arbitrage opportunities [14]. 2. Futures and Spot Price Changes - **Carbonate Lithium**: The closing price is 72,280 yuan, with a decline of 0.63%. The trading volume is 282,178, the open interest is 207,463, with a decrease of 14,456 compared to the previous period, and the number of warehouse receipts is 36,718 [15]. - **Industrial Silicon**: The closing price is 8,805 yuan, with an increase of 1.38%. The trading volume is 241,553, the open interest is 165,722, with a decrease of 1,313 compared to the previous period, and the number of warehouse receipts is 50,854 [15]. - **Polysilicon**: The closing price is 48,740 yuan, with a decline of 2.35%. The trading volume is 246,976, the open interest is 87,665, with a decrease of 3,344 compared to the previous period, and the number of warehouse receipts is 7,900 [15]. Group 3: Second Part - Fundamental Situation 1. Carbonate Lithium Fundamental Data (1) Production and Inventory - The report includes figures on monthly production capacity, device operating rate, monthly output, and monthly inventory of carbonate lithium, as well as inventory in smelters and downstream [22][24]. (2) Downstream Situation - Figures on the production capacity, device operating rate of lithium iron phosphate, monthly operating rate of SMM ternary materials, and monthly output of lithium hexafluorophosphate are presented [26][28]. 2. Industrial Silicon Fundamental Data (1) Production and Inventory - Figures on the sample operating rate of main production areas, weekly output of main production areas, weekly inventory of delivery warehouses in various regions, and weekly inventory of sample enterprises in Xinjiang and Sichuan are provided [32][34]. (2) Downstream Situation - Figures on the monthly output of China's organic silicon DMC and the operating rate of aluminum alloy are shown [36]. 3. Polysilicon Fundamental Data (1) Production and Inventory - Figures on the total inventory and monthly output of polysilicon in China are included [40][41]. (2) Downstream Situation - Figures on the monthly output of silicon wafers and the monthly output of photovoltaic - Chinese components are presented [45].

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