铸造铝期现同涨，现货交投活跃度有所提升

Group 1 - The core viewpoint of the articles indicates that the foundry aluminum market is experiencing a strong upward trend, with the main contract closing at 21,290 yuan, an increase of 140 yuan or 0.66% [1] - The trading volume for the foundry aluminum main contract increased by 259 hands to 4,594 hands, while the open interest decreased by 32 hands to 17,184 hands [1] - The average price of foundry aluminum alloy ingots (A356.2) rose by 200 yuan to 23,400 yuan/ton, while other grades such as A380, ADC12, ZL102, and ZLD104 also saw price increases ranging from 100 to 200 yuan [1][2] Group 2 - On the macroeconomic front, the market sentiment is cautious due to the Christmas week and upcoming third-quarter GDP data, but global stock markets and rising oil prices have improved risk sentiment, positively impacting metal demand [1] - The supply and demand for foundry aluminum have both decreased to some extent as the year-end approaches, leading to a stalemate in the market [2] - The cost side remains high, with aluminum alloy prices sustaining at elevated levels, while the smelting sector faces losses, limiting the increase in operating rates and supply capacity [2][3] Group 3 - The overall trading atmosphere in the spot market has improved, supported by orders from the automotive consumer market, leading to increased trading activity [2] - The price performance of foundry aluminum is primarily supported by the cost of scrap aluminum, and it is expected to maintain a high-level oscillation trend in the future [3]