碳酸锂：现货成交好转，仓单持续增加压制盘面

Report Summary 1. Report Industry Investment Rating There is no information about the industry investment rating in the provided content. 2. Core Viewpoints - The report presents the latest data on lithium carbonate fundamentals, including contract prices, trading volumes, open interest, and various basis differentials. It also provides information on raw material prices and export volumes of lithium carbonate from Chile. The trend strength of lithium carbonate is rated as neutral [1][2][3]. 3. Summary by Relevant Catalogs 3.1 Fundamental Data of Lithium Carbonate - 2509 Contract: The closing price was 72,080 yuan, down 1,200 yuan from the previous day. The trading volume was 94 lots, a decrease of 786 lots, and the open interest was 5,571 lots, down 2,123 lots [1]. - 2511 Contract: The closing price was 71,880 yuan, down 740 yuan. The trading volume was 442,800 lots, a decrease of 177,641 lots, and the open interest was 346,048 lots, down 2,061 lots [1]. - Warehouse Receipt Volume: The warehouse receipt volume was 34,118 lots, an increase of 2,111 lots [1]. - Basis: The basis of spot - 2509 was 3,820 yuan, down 400 yuan; the basis of spot - 2511 was 4,020 yuan, down 860 yuan; the basis of 2509 - 2511 was 200 yuan, down 460 yuan [1]. - Raw Materials: The price of lithium spodumene concentrate (6%, CIF China) was 872 dollars, down 15 dollars; the price of lithium mica (2.0% - 2.5%) was not specified, down 35 yuan [1]. 3.2 Macro and Industry News - SMM Battery - Grade Lithium Carbonate Index: The price was 75,755 yuan/ton, down 1,631 yuan/ton from the previous day. The average price of battery - grade lithium carbonate was 75,900 yuan/ton, down 1,600 yuan/ton; the average price of industrial - grade lithium carbonate was 73,600 yuan/ton, down 1,600 yuan/ton [2]. - Chilean Lithium Carbonate Exports: In August 2025, the export volume of lithium carbonate from Chile was 16,900 tons, a 19.2% decrease from the previous month but a 4.9% increase year - on - year. Exports to China were 13,000 tons, a 4.8% decrease from the previous month but a 6.9% increase year - on - year; exports to South Korea were 3,000 tons, a 50.4% decrease from the previous month but a 35% increase year - on - year [2][3]. 3.3 Trend Intensity The trend intensity of lithium carbonate is 0, indicating a neutral outlook. The trend intensity ranges from - 2 (most bearish) to 2 (most bullish) [3].