铸造铝合金期货主力大跌505元/吨，现货市场维持刚需采购节奏

Group 1 - The core viewpoint of the articles indicates that the casting aluminum market is experiencing downward pressure due to geopolitical risks and seasonal demand decline, despite some support from raw material costs [1][2]. Group 2 - The main contract for casting aluminum closed at 22,585 yuan, down 505 yuan or 2.19%, with a trading volume of 19,770 lots, an increase of 211 lots, and an open interest of 21,008 lots, up 390 lots [1]. - The average price for casting aluminum alloy ingots (A356.2) was reported at 25,600 yuan per ton, down 100 yuan, while other alloys like A380 and ZL102 also saw similar declines [1]. - The macroeconomic environment shows that geopolitical tensions, particularly actions by the Trump administration, have led to increased market risk aversion, contributing to the decline in aluminum prices [1]. Group 3 - On the supply side, both imported and domestic scrap aluminum supplies are tight, which limits the price decline of casting aluminum and provides cost support [2]. - Demand remains weak as the industry enters a seasonal consumption lull, with alloy plant operating rates declining and automotive sector demand decreasing [2]. - The overall market activity is subdued, with cautious buying from downstream enterprises and limited actual transactions, indicating a general lack of market dynamism [2].