铝类市场周报：供给持稳需求暂弱，铝类或将有所承压-20250822

Report Industry Investment Rating No information provided in the document. 2. Core Views of the Report - The alumina market may experience a situation of double - growth in supply and demand, with a slight reduction in social inventory and an increase in exchange inventory. The electrolytic aluminum market may see a situation of stable and slightly increasing supply, temporarily weak demand but expected improvement, and a slight accumulation of industrial inventory. The overall aluminum market may face some pressure [4]. - For trading strategies, it is recommended to conduct light - position short - selling transactions for the main contract of Shanghai aluminum at high prices and light - position short - term long - buying transactions for the main contract of alumina at low prices, while paying attention to operation rhythm and risk control [4]. 3. Summary According to the Table of Contents 3.1 Week - to - Week Key Points Summary - Market Review: The main contract of cast aluminum first declined and then rose, with a weekly change of +0.05%, closing at 20,175 yuan/ton. The main contract of Shanghai aluminum oscillated weakly, with a weekly change of - 0.67%, closing at 20,630 yuan/ton. The alumina contract oscillated weakly, with a weekly change of - 2.09%, closing at 3,138 yuan/ton [4][5]. - Market Outlook: Alumina may face a situation of double - growth in supply and demand. Electrolytic aluminum may see stable and slightly increasing supply, temporarily weak demand but expected improvement [4]. - Strategy Suggestion: Light - position short - selling transactions for the main contract of Shanghai aluminum at high prices and light - position short - term long - buying transactions for the main contract of alumina at low prices, with attention to operation rhythm and risk control [4]. 3.2 Futures and Spot Market - Price Movement: As of August 22, 2025, the closing price of Shanghai aluminum was 20,650 yuan/ton, down 0.51% from August 15; the closing price of LME aluminum was 2,593 US dollars/ton, down 1.18% from August 15. The alumina futures price was 3,127 yuan/ton, down 1.14% from August 15; the closing price of the main contract of cast aluminum alloy was 20,175 yuan/ton, up 0.05% from August 15 [8][12]. - Ratio and Spread: As of August 22, 2025, the Shanghai - LME ratio of electrolytic aluminum was 7.95, up 0.11 from August 15. The aluminum - zinc futures spread was 1,645 yuan/ton, down 90 yuan/ton from August 15; the copper - aluminum futures spread was 58,060 yuan/ton, down 230 yuan/ton from August 15 [9][20]. - Position and Inventory: As of August 22, 2025, the position of Shanghai aluminum was 575,286 lots, down 4.33% from August 15; the net position of the top 20 in Shanghai aluminum was 4,602 lots, down 10,019 lots from August 15 [15]. - Spot Market: As of August 21, 2025, the alumina spot price in Henan, Shanxi, and Guiyang regions decreased slightly. The national average price of cast aluminum alloy (ADC12) was 20,450 yuan/ton, up 0.49% from August 15. The spot price of A00 aluminum ingot was 20,750 yuan/ton, up 0.34% from August 15, and the spot premium was 30 yuan/ton, up 30 yuan/ton from the previous week [22][23][27]. 3.3 Industry Situation - Inventory: As of August 21, 2025, the LME electrolytic aluminum inventory was 479,525 tons, down 0.03% from August 14; the SHFE electrolytic aluminum inventory was 120,653 tons, up 6.2% from the previous week; the domestic electrolytic aluminum social inventory was 540,000 tons, up 2.66% from August 14 [32]. - Raw Material Import and Inventory: As of the latest data, the nine - port inventory of domestic bauxite was 27.7 million tons, a month - on - month increase of 220,000 tons. In July 2025, the monthly import of bauxite was 20.063 million tons, a month - on - month increase of 10.75% and a year - on - year increase of 34.22% [35]. - Waste Aluminum: As of the latest data this week, the price of crushed waste aluminum in Shandong region was 15,800 yuan/ton, a week - on - week decrease of 100 yuan/ton. In July 2025, the import volume of waste aluminum and scrap was 160,494.61 tons, a year - on - year increase of 18.68%; the export volume was 79.39 tons, a year - on - year increase of 50.91% [41]. - Alumina: In July 2025, the alumina output was 7.5649 million tons, a year - on - year increase of 4.6%; the cumulative output from January to July was 52.6721 million tons, a year - on - year increase of 8.5%. The import volume was 125,900 tons, a month - on - month increase of 24.35% and a year - on - year increase of 78.23%; the export volume was 230,000 tons, a month - on - month increase of 35.29% and a year - on - year increase of 53.33% [44]. - Electrolytic Aluminum: In July 2025, the electrolytic aluminum output was 3.78 million tons, a year - on - year increase of 0.6%; the cumulative output from January to July was 26.38 million tons, a year - on - year increase of 2.8%. The import volume was 248,200 tons, a year - on - year increase of 91.19%; the cumulative import from January to July was 1.4975 million tons, a year - on - year increase of 11% [47][51]. - Aluminum Products: In July 2025, the output of aluminum products was 5.4837 million tons, a year - on - year decrease of 1.6%; the cumulative output from January to July was 38.4699 million tons, a year - on - year increase of 0.8%. The import volume was 360,000 tons, a year - on - year increase of 38.2%; the export volume was 540,000 tons, a year - on - year decrease of 7.6% [55]. - Cast Aluminum Alloy: In June 2025, the monthly built - in production capacity of recycled aluminum alloy was 1.26 million tons, a month - on - month decrease of 0.87% and a year - on - year increase of 19.22%. The output was 618,900 tons, a month - on - month increase of 0.48 and a year - on - year increase of 5.49% [58]. - Aluminum Alloy: In July 2025, the aluminum alloy output was 1.536 million tons, a year - on - year increase of 10.7%; the cumulative output from January to July was 10.628 million tons. The import volume was 69,200 tons, a year - on - year decrease of 28.39%; the export volume was 24,900 tons, a year - on - year increase of 38.3% [61]. - Related Industries: In July 2025, the real estate development sentiment index was 93.34, a decrease of 0.25 from the previous month and an increase of 1.23 from the same period last year. From January to July 2024, the new housing construction area was 352.06 million square meters, a year - on - year decrease of 19.5%; the housing completion area was 250.34 million square meters, a year - on - year decrease of 21.19%. From January to July 2024, the infrastructure investment increased by 7.29% year - on - year. In July 2025, the Chinese automobile sales volume was 2,593,410 units, a year - on - year increase of 14.66%; the automobile production volume was 2,591,084 units, a year - on - year increase of 13.33% [64][67]. 3.4 Option Market Analysis - Given that the aluminum price is expected to experience slight oscillatory pressure in the future, a double - selling strategy can be considered to short the volatility [72].