光大期货：2月27日有色金属日报

Copper - Copper prices showed a weak fluctuation overnight, with the domestic refined copper import window closed [2][11] - LME copper inventory increased by 3,950 tons to 259,600 tons, while Comex copper inventory rose by 9.98 tons to 545,267 tons [2][11] - The core logic driving copper prices upward remains the insufficient global copper mine capital expenditure leading to a supply gap, alongside increasing demand from new energy and AI infrastructure [2][11] Nickel & Stainless Steel - LME nickel fell by 1.75% to $17,730 per ton, while SHFE nickel dropped by 1.25% to 139,100 yuan per ton [12][12] - LME nickel inventory increased by 1,698 tons to 289,506 tons, while SHFE warehouse receipts decreased by 19 tons to 53,158 tons [12][12] - The approved nickel ore production quota in Indonesia is between 260 million to 270 million tons, significantly lower than last year's target [12][12] Aluminum & Alumina & Aluminum Alloys - Alumina prices showed a weak fluctuation, with AO2605 settling at 2,747 yuan per ton, down 3.55% [14][14] - SHFE aluminum fluctuated weakly, with AL2604 closing at 23,780 yuan per ton, down 0.34% [14][14] - The overseas alumina price increased, while domestic electrolytic aluminum plants began winter raw material storage, leading to a counter-trend rise in alumina prices [14][14] Industrial Silicon & Polysilicon - Industrial silicon showed weak fluctuations, with the main contract settling at 834,035 yuan per ton, down 1.3% [15][15] - Polysilicon also experienced a weak fluctuation, with the main contract closing at 46,315 yuan per ton, down 2.59% [15][15] - The supply of industrial silicon has narrative support, but upward price movement is limited due to constrained demand [15][15] Lithium Carbonate - Lithium carbonate futures rose by 3.47% to 173,660 yuan per ton, with battery-grade lithium carbonate prices increasing by 11,250 yuan per ton to 173,000 yuan per ton [16][16] - The weekly lithium carbonate social inventory decreased by 2,839 tons to 100,093 tons, with downstream inventory dropping by 4,471 tons to 40,021 tons [16][16] - Concerns over exports from Zimbabwe have led to a gap opening in lithium carbonate futures prices, with current exports paused [16][16]