铝：震荡偏强，氧化铝：重心下移，铸造铝合金：跟随电解铝

Report Industry Investment Ratings - Aluminum: Oscillating with a bias towards strength [1] - Alumina: Moving downward in the center [1] - Cast aluminum alloy: Following the trend of electrolytic aluminum [1] Core Viewpoints of the Report - The report provides updated fundamental data on aluminum, alumina, and cast aluminum alloy, including prices, trading volumes, open interest, spreads, and inventory levels [1]. - It also mentions some external news such as Trump's statements on trade agreements and tariffs, and the US durable goods orders data [3]. - The trend intensities of aluminum, alumina, and aluminum alloy are given as 0, -1, and 0 respectively [3]. Summary by Relevant Catalogs Futures Market - Aluminum: The closing price of the Shanghai aluminum main contract was 20,715, down 55 from the previous day. The trading volume was 103,054, a decrease of 43,106. The open interest was 251,409, an increase of 3,066 [1]. - Alumina: The closing price of the Shanghai alumina main contract was 3,069, down 115. The trading volume was 421,870, a decrease of 33,265. The open interest was 228,725, an increase of 34,880 [1]. - Aluminum alloy: The closing price of the aluminum alloy main contract was 20,265, down 65. The trading volume was 1,557, a decrease of 798. The open interest was 8,128, a decrease of 57 [1]. Spot Market - Aluminum: The domestic aluminum ingot social inventory was 603,000 tons, unchanged from the previous day. The LME aluminum ingot inventory was 478,100 tons, a decrease of 700 tons [1]. - Alumina: The average domestic alumina price was 3,246, down 16. The alumina price at Lianyungang's arrival port was 3,255 yuan/ton, down 20 [1]. - Aluminum alloy: The theoretical profit of ADC12 was -3. The price of Baotai ADC12 was 20,200, an increase of 100 [1]. External News - Trump claimed to have completed trade agreements with the EU, Japan, and South Korea and would soon impose "very high" furniture tariffs. Furniture stocks were affected. He also praised the oil price approaching $60/barrel and favored fossil fuels and nuclear energy [3]. - The US July durable goods orders环比初值 was -2.8%, exceeding expectations. However, core capital goods orders rebounded by 1.06%, the fastest growth rate in nearly three years, weakening market concerns about economic slowdown [3].