碳酸锂：去库速度偏缓，走势或仍偏弱

Group 1: Report Industry Investment Rating - The trend strength of lithium carbonate is -1, indicating a bearish view, and the market is considered to be on the weaker side [3]. Group 2: Core View of the Report - The destocking speed of lithium carbonate is slow, and its price trend may remain weak [1]. Group 3: Summary Based on Relevant Catalogs 3.1 Fundamental Tracking - Futures Contracts: For the 2507 contract, the closing price was 58,860 yuan, down 1,520 yuan from T - 1; the trading volume was 386,145 lots, down 1,995 lots from T - 1; the open interest was 287,506 lots, up 3,899 lots from T - 1. For the 2509 contract, the closing price was 59,100 yuan, down 1,580 yuan from T - 1; the trading volume was 105,761 lots, up 9,832 lots from T - 1; the open interest was 149,266 lots, up 15,121 lots from T - 1 [1]. - Warehouse Receipts: The number of warehouse receipts was 33,884 lots, up 30 lots from T - 1 [1]. - Basis: The basis between spot and 2507 contract was 2,040 yuan, up 920 yuan from T - 1; the basis between spot and 2509 contract was 1,800 yuan, up 980 yuan from T - 1 [1]. - Raw Materials: The price of spodumene concentrate (6%, CIF China) was 677 dollars, down 3 dollars from T - 1; the price of lithium mica (2.0% - 2.5%) was 1,210 yuan, down 25 yuan from T - 1 [1]. - Lithium Salts: The price of battery - grade lithium carbonate was 60,900 yuan, down 600 yuan from T - 1; the price of industrial - grade lithium carbonate was 59,300 yuan, down 600 yuan from T - 1 [1]. 3.2 Macro and Industry News - SMM's battery - grade lithium carbonate index price was 61,233 yuan/ton, down 562 yuan/ton from the previous working day. The average price of battery - grade lithium carbonate was 60,900 yuan/ton, down 600 yuan/ton from the previous working day; the average price of industrial - grade lithium carbonate was 59,300 yuan/ton, down 600 yuan/ton from the previous working day [1]. - The weekly inventory of lithium carbonate was 131,571 tons, a decrease of 208 tons from last week. Among them, smelter inventory was 56,235 tons, downstream inventory was 41,616 tons, and other inventory was 33,720 tons [1][3].