铝：高位震荡；氧化铝：成本抬升；铸造铝合金：跟随电解铝

Report Industry Investment Rating - Not provided in the document Core Viewpoints - The aluminum market is expected to be in a high - level oscillation, the cost of alumina is rising, and the casting aluminum alloy market will follow the trend of electrolytic aluminum [1] Summary by Relevant Catalogs Futures Market - Electrolytic Aluminum: The closing price of the Shanghai aluminum main contract was 25,240, up 25 from T - 1. The LME aluminum 3M closing price was 3,533, up 74 from T - 1. The trading volume and open interest of the Shanghai aluminum main contract showed different changes compared with previous periods. The LME aluminum 3M trading volume increased by 7,514 from T - 1. The LME注销仓单占比 was 39.01%, down 0.38% from T - 1. The LME aluminum cash - 3M spread was 26.51, unchanged from T - 1 [1] - Alumina: The closing price of the Shanghai alumina main contract was 2,865, down 4 from T - 1. The trading volume and open interest also had corresponding changes compared with previous periods. The near - month contract to the first - continuous contract spread was - 23, up 10 from T - 1 [1] - Aluminum Alloy: The closing price of the aluminum alloy main contract was 23,990, up 105 from T - 1. The trading volume and open interest decreased compared with previous periods. The near - month contract to the first - continuous contract spread was 10.00, down 5 from T - 1 [1] Spot Market - Electrolytic Aluminum: The domestic social inventory of aluminum ingots was 131.00 million tons, up 3.00 million tons from T - 1. The Shanghai Futures Exchange aluminum ingot warehouse receipts were 35.86 million tons, up 0.79 million tons from T - 1. The LME aluminum ingot inventory was 44.73 million tons, down 0.28 million tons from T - 1. The electrolytic aluminum enterprise profit and loss was 8,969.58, up 206.42 from T - 1. The aluminum spot import profit and loss was - 3,472.42, down 447.91 from T - 1 [1] - Alumina: The domestic average price of alumina was 2,693, up 20 from T - 5. The alumina Lianyungang CIF price in US dollars per ton was 330, unchanged from T - 1. The alumina enterprise profit and loss in Shanxi was - 80, up 15 from T - 1 [1] - Aluminum Alloy: The price of Baotai ADC12 was 24,800, up 200 from T - 1. The three - place inventory total was 35,335, down 910 from T - 1 [1] Other Information - Trend Intensity: The trend intensity of aluminum is 1, alumina is 0, and aluminum alloy is 1. The trend intensity ranges from - 2 to 2, with - 2 being the most bearish and 2 being the most bullish [3] - Comprehensive News: The US will launch a 301 investigation against 16 trading partners including China, the EU, India, and Japan. The US Treasury Secretary said that escort will be carried out as soon as possible when the situation allows, and the Energy Secretary said it may be this month [3]