矿端扰动再起，铜价增仓上行：铜铝周报-20250929

Report Industry Investment Rating No relevant content provided. Core Views - Copper: The copper price increased with rising positions due to renewed disturbances at the mine end, but investors should be wary of overseas fluctuations. The Grasberg mine accident will lead to a 35% decline in copper and gold production in 2026, and it may not return to pre - accident production levels until 2027. Short - term copper prices have strong upward momentum, but downstream industries' low acceptance of high prices and the end of pre - holiday stockpiling in China may suppress the price. With the upcoming National Day and Mid - Autumn Festival holiday in China, attention should be paid to overseas risks [3]. - Aluminum: With a macro - level easing environment and a supply - demand balance improvement in the industry, the aluminum price may oscillate and stabilize. The domestic electrolytic aluminum production capacity utilization rate remains above 95%. Although the demand in some sectors is weak, the demand for industrial profiles in photovoltaic and automotive industries is relatively resilient. Low inventory levels support the aluminum price, and it is expected to maintain a relatively strong trend, with attention on the pressure at the 21,000 - yuan mark [4]. Summary by Directory 1. Macro Factors - The US dollar index rebounded last week, putting pressure on the copper price. The Grasberg mine accident has led to the suspension of production at the world's second - largest copper mine. Freeport expects the mine to resume pre - accident production levels earliest in 2027, with a 35% decline in copper and gold production in 2026. In 2024, its output was 816,000 tons, accounting for 3.5% of the global output [8]. 2. Copper 2.1 Quantity and Price Trends - Last week, the copper price first rose and then fell. The main contract price of Shanghai copper once reached the 83,000 - yuan mark. Short - term London copper broke through the annual high, and Shanghai copper approached the annual high, with rapidly increasing capital attention and strong upward momentum [3]. 2.2 Copper Ore Processing Fees Rebounded Slightly at a Low Level - The copper ore processing fees showed a slight upward trend at a low level, and relevant data on copper concentrate port inventory and TC processing fees were presented in the report [23]. 2.3 Electrolytic Copper De - stocking Slowed Down - The de - stocking of electrolytic copper slowed down, and the report showed data on domestic electrolytic copper social inventory and overseas futures inventory [26]. 2.4 Downstream Initial - stage Industries - The report presented data on the monthly capacity utilization rate of copper downstream industries, including data on refined copper rods, copper tubes, copper rods, and copper strips [29]. 3. Aluminum 3.1 Quantity and Price Trends - Last week, the aluminum price oscillated. Driven by the copper price during the week, it once rebounded but showed weakness. The report presented data on aluminum price trends, Shanghai - London ratio, London aluminum premium/discount, and Shanghai aluminum spot premium/discount [4][30]. 3.2 Upstream Industrial Chain - The report showed data on bauxite port inventory and alumina price, reflecting the situation of the aluminum upstream industrial chain [38]. 3.3 Electrolytic Aluminum Stockpiling Slowed Down - The stockpiling of electrolytic aluminum slowed down, and the report presented data on overseas electrolytic aluminum inventory (LME + COMEX) and domestic electrolytic aluminum social inventory [42]. 3.4 Downstream Initial - stage Industries - The report presented data on aluminum rod capacity utilization, 6063 aluminum rod processing fees (average price), and 6063 aluminum rod inventory, reflecting the situation of the aluminum downstream initial - stage industries [45]. 4. Conclusion - Copper: The Grasberg mine accident affects production, and short - term copper prices have upward momentum but are also subject to downward pressure from downstream acceptance and pre - holiday factors. Attention should be paid to overseas risks during the holiday. - Aluminum: With macro - level easing and improved supply - demand balance in the industry, the aluminum price is expected to maintain a relatively strong trend, with attention on the pressure at the 21,000 - yuan mark [52][53].