铝：小幅震荡，氧化铝：价格走弱，铸造铝合金：跟随电解铝

Report Summary 1) Industry Investment Rating - There is no information about the report's industry investment rating in the provided content. 2) Core Viewpoints - The price of aluminum shows a slight fluctuation, the price of alumina weakens, and the price of cast aluminum alloy follows that of electrolytic aluminum [1]. - The trend strength of aluminum is neutral (0), alumina is weakly bearish (-1), and aluminum alloy is neutral (0) [3]. 3) Summary by Relevant Catalogs a) Futures Market - Electrolytic Aluminum: The closing price of the SHFE aluminum main contract is 20,625, down 165 from T - 5; the LME aluminum 3M closing price is 2,608, down 31 from T - 5. The trading volume and open interest of relevant contracts have different degrees of changes. The LME cancelled warrant ratio is 3.10%, down 0.08% from T - 1 [1]. - Alumina: The closing price of the SHFE alumina main contract is 3,326, down 29 from T - 5. The trading volume and open interest of relevant contracts also have significant changes [1]. - Aluminum Alloy: The closing price of the aluminum alloy main contract is 20,070, and the trading volume and open interest have decreased to some extent [1]. b) Spot Market - Electrolytic Aluminum: The domestic social inventory of aluminum ingots is 514,000 tons, unchanged from T - 1 and up 34,000 tons from T - 5. The profit of electrolytic aluminum enterprises is 3,920.26, with a slight increase compared to T - 1 [1]. - Alumina: The average domestic alumina price is 3,271, up 26 from T - 5. The prices of imported alumina from different regions also show certain changes [1]. - Aluminum Bauxite: The prices of aluminum bauxite imported from Australia, Indonesia, and Guinea have different degrees of changes, and the price of Yangquan aluminum bauxite has also changed [1]. - Aluminum Alloy: The theoretical profit of ADC12 is -291, and the prices of related products and inventory have also changed [1]. - Caustic Soda: The price of Shaanxi ion - membrane liquid caustic soda (32% converted to 100%) is 2,610, unchanged from T - 1 [1]. c) Comprehensive News - The Chinese government will implement more proactive fiscal policies and moderately loose monetary policies, release domestic demand potential, and prevent and resolve risks in key areas [3]. - The Federal Reserve has kept interest rates unchanged for five consecutive meetings, with two voting members supporting rate cuts due to slow economic growth, and Powell has not given guidance on a September rate cut [3].