Group 1: Inventory Changes - Copper inventory decreased by 50 tons to 137,175 tons, with a registered warehouse stock of 129,350 tons and a cancellation ratio of 5.70% [1][3] - Aluminum inventory remained stable at 487,125 tons, with a registered warehouse stock of 405,650 tons and a cancellation ratio of 16.73% [1][5] - Zinc inventory decreased by 700 tons to 37,325 tons, with a registered warehouse stock of 24,425 tons and a cancellation ratio of 34.56% [1][9] - Tin inventory remained unchanged at 2,735 tons, with a registered warehouse stock of 2,555 tons and a cancellation ratio of 6.58% [1][11] - Nickel inventory decreased by 54 tons to 250,476 tons, with a registered warehouse stock of 244,356 tons and a cancellation ratio of 2.44% [1][13] Group 2: Warehouse Specific Changes - In Rotterdam, copper inventory decreased by 50 tons to 14,500 tons, with a cancellation ratio of 1.21% [3] - In Singapore, zinc inventory decreased by 700 tons to 35,875 tons, with a cancellation ratio of 35.89% [9] - In Hamburg, aluminum inventory remained stable at 3,075 tons, with a cancellation ratio of 0.00% [5] - In Kaohsiung, tin inventory remained stable at 40 tons, with a cancellation ratio of 0.00% [11]

Core Insights - China's refined copper imports in September 2025 reached 374,075.58 tons, reflecting a month-on-month increase of 21.76% and a year-on-year increase of 7.44% [1][2] Import Sources - The Democratic Republic of the Congo was the largest source of refined copper imports, supplying 126,834.67 tons, with a month-on-month increase of 0.42% and a year-on-year increase of 3.27% [1][2] - Russia ranked second, exporting 48,359.13 tons, showing a significant month-on-month increase of 91.76% and a year-on-year increase of 37.40% [1][2] - Other notable sources included Chile (31,683.05 tons, +45.99% MoM, +9.20% YoY) and Kazakhstan (21,580.77 tons, +30.77% MoM, -21.73% YoY) [1][2] Detailed Import Data - A comprehensive breakdown of refined copper imports by origin for September 2025 is provided, highlighting significant increases from countries like Myanmar (15,549.01 tons, +109.97% MoM, +244.32% YoY) and Australia (13,563.58 tons, +147.29% MoM, +41.91% YoY) [1][2] - Conversely, imports from Japan (13,358.24 tons, +59.22% MoM, -43.13% YoY) and Peru (6,633.35 tons, +577.82% MoM, -37.45% YoY) showed notable declines in year-on-year comparisons [1][2] Summary of Trends - The overall trend indicates a robust increase in refined copper imports, particularly from emerging markets, while traditional suppliers like Japan and Peru are experiencing declines [1][2][3]

Core Insights - In September 2025, China's imports of copper ore and concentrates totaled 2,586,873.52 tons, reflecting a month-on-month decrease of 6.24% but a year-on-year increase of 6.43% [1][2]. Import Sources - Chile remains the largest source of copper ore and concentrates for China, with imports of 649,354.73 tons in September 2025, showing a significant month-on-month decline of 32.26% and a year-on-year decrease of 15.46% [1]. - Peru is the second-largest source, with imports of 590,254.26 tons, which represents a month-on-month increase of 4.64% and a year-on-year growth of 22.91% [1]. - Other notable sources include: - Indonesia: 155,930.64 tons, up 89.92% month-on-month and 68.11% year-on-year [1]. - Mongolia: 184,322.32 tons, up 1.40% month-on-month and 29.85% year-on-year [1]. - Russia: 96,537.04 tons, down 14.97% month-on-month but up 172.88% year-on-year [1]. Detailed Import Data - A comprehensive breakdown of imports by origin shows varied performance across different countries, with some experiencing significant increases while others faced declines [1][2]. - For instance, imports from Laos surged by 169.11% month-on-month and 174.83% year-on-year, while imports from Canada dropped by 19.56% month-on-month but increased by 131.30% year-on-year [1]. Summary of Trends - The overall trend indicates a mixed performance in copper ore imports, with certain countries like Peru and Indonesia showing growth, while Chile, the largest supplier, is experiencing declines [1][2].

Core Insights - China's primary aluminum (electrolytic aluminum) production in September 2025 reached 3.81 million tons, reflecting a year-on-year increase of 1.8% [1] - Cumulative production from January to September 2025 totaled 33.97 million tons, showing a year-on-year growth of 2.2% [1] - In September 2025, the production of ten non-ferrous metals in China was 6.95 million tons, marking a year-on-year increase of 2.9% [1] - The cumulative production of these ten non-ferrous metals from January to September 2025 was 61.25 million tons, with a year-on-year growth of 3.0% [1]

伦敦金属交易所（LME）公布数据显示，上周伦铜库存有所回落，最新库存水平为137,225吨，降至两个半月新 低。 上海期货交易所最新公布数据显示，10月17日当周，沪铜库存小幅累积，周度库存增加0.5%至110,240吨，刷新五 个半月最高位。国际铜库存增加5358吨至17,031吨。 上周，纽铜库存继续增加，最新库存水平为345,581吨，增至2003年5月上旬以来新高。 注：一般来说，国内外交易所库存不断下降将对期价形成支撑，反之，则对期价有所利空。 2023年以来三大交易所铜库存对比 以下为2025年10月以来三大交易所铜库存数据：（单位：吨） | 日期 | COMEX | LME | SHFE | | --- | --- | --- | --- | | 2025/10/17 | 345, 581 | 137, 225 | 110, 240 | | 2025/10/16 | 344, 652 | 137, 450 | | | 2025/10/15 | 343, 235 | 138, 350 | | | 2025/10/14 | 342, 280 | 138, 800 | | | 2025/10/13 | ...

Core Insights - China's imports of aluminum ore and its concentrates reached 15.88 million tons in September 2025, marking a year-on-year increase of 38.3% [1] - From January to September 2025, the total imports of aluminum ore and its concentrates amounted to 15.73 million tons, reflecting a 32% increase compared to the same period last year [1] - In September 2025, China's alumina exports were recorded at 250,000 tons, which is an 82.2% increase year-on-year [1] - The total alumina exports from January to September 2025 reached 2 million tons, showing a significant year-on-year increase of 61.8% [1] Import Data Summary - Aluminum ore and concentrates: - September 2025: 1.588 million tons, 792.44 million RMB - January to September 2025: 15.731 million tons, 9.167 billion RMB - Year-on-year change: 38.3% (monthly), 32% (cumulative) [1] - Copper ore and concentrates: - September 2025: 259,000 tons, 5.215 billion RMB - January to September 2025: 2.263 million tons, 43.069 billion RMB - Year-on-year change: 6.4% (monthly), 19.9% (cumulative) [1] Export Data Summary - Alumina: - September 2025: 25,000 tons, 85.244 million RMB - January to September 2025: 200,000 tons, 753.867 million RMB - Year-on-year change: 82.2% (monthly), 61.8% (cumulative) [1] - Rare earths and their products: - September 2025: 10,538 tons, 256.961 million RMB - January to September 2025: 95,875 tons, 1.719 billion RMB - Year-on-year change: 7.6% (monthly), 3.1% (cumulative) [1]

Core Viewpoint - The London Metal Exchange (LME) saw most base metals decline, with copper hitting a one-week low, influenced by concerns over credit pressures in U.S. regional banks, leading to a negative sentiment in the market [1][4]. Group 1: Market Performance - On October 17, LME three-month copper fell by $42.5, or 0.4%, closing at $10,604.5 per ton, with an intraday low of $10,430, marking a 2% drop and the lowest since October 10 [1][2]. - Other base metals also experienced declines, with three-month aluminum down by $11.00 (0.39%), zinc down by $39.50 (1.33%), and tin down by $735.00 (2.05%) [2]. Group 2: Economic Indicators - Copper is viewed as a barometer for the global economy, with recent supply concerns pushing prices to a 16-month high of $11,000 per ton last week [1]. - Recent reports indicate a temporary easing of supply concerns, as copper inventories at the Shanghai Futures Exchange increased by 550 tons, reaching the highest level since April [4]. Group 3: Market Sentiment - The environment is characterized by a general risk aversion, with high-risk assets under pressure due to concerns over the U.S. economic situation [4]. - The spread between spot copper contracts and three-month forward contracts widened, indicating a decrease in immediate demand for copper [4].

Core Insights - Marubeni Corporation reported an increase in aluminum inventory at Japan's three major ports to 341,300 tons as of the end of September, reflecting a month-on-month growth of 1.8% [1] Inventory Details - The aluminum inventory details for the major ports are as follows (in tons): - Yokohama: 144,700 tons in September 2025, down from 146,100 tons in August 2025, and down from 153,200 tons in September 2024 [2] - Nagoya: 176,900 tons in September 2025, up from 170,300 tons in August 2025, and up from 140,100 tons in September 2024 [2] - Osaka: 19,700 tons in September 2025, up from 18,900 tons in August 2025, and stable compared to 19,800 tons in September 2024 [2] - Total inventory across the three ports reached 341,300 tons in September 2025, compared to 335,300 tons in August 2025 and 313,100 tons in September 2024 [2]

Core Insights - Marubeni Corp reports that aluminum inventory at Japan's three major ports is expected to rise to 341,300 tons by the end of September 2025, reflecting a 1.8% increase from the previous month [1] - The inventory situation shows a decline in Yokohama, while Nagoya and Osaka have seen increases [1] - Ongoing low demand has led to prolonged negotiations for aluminum premiums in Japan's fourth quarter [1] Inventory Data - As of 2019, the aluminum inventory levels at Japan's three major ports have been tracked, with specific figures provided in tons [3]

Group 1 - The quarterly pricing negotiations between Japanese aluminum buyers and global producers are unusually prolonged due to a significant gap in opinions regarding the premium for primary aluminum for the October-December shipping period [1] - Japanese buyers are negotiating with global suppliers like Rio Tinto and South32, with initial premium offers ranging from $98 to $103 per ton, reflecting a decrease of 5% to 9% compared to the previous quarter [1] - A Japanese processing plant representative indicated that the demand is weak and inventory levels are high, leading buyers to seek premiums in the $80 range, while current spot premiums are noted to be in the $70 range [1] Group 2 - As premiums continue to rise in the US and Europe, it is expected to tighten supply in Asia, prompting sellers to insist on higher premium levels [2] - The negotiations are anticipated to extend until the end of the month due to the ongoing discrepancies in pricing expectations [2]