碳酸锂：仓单大幅去化，给予上行驱动

Report Industry Investment Rating - Not provided in the given content Core Viewpoints - The significant reduction in lithium carbonate warehouse receipts provides an upward driving force [1] - The trend strength of lithium carbonate is 1, indicating a certain degree of upward momentum [5] Summary by Relevant Catalogs Fundamental Tracking - 2511 Contract: The closing price was 72,280 yuan, down 460 yuan compared to T - 1; the trading volume was 282,178 lots, down 12,605 lots; the open interest was 207,463 lots, down 14,456 lots [2] - 2601 Contract: The closing price was 72,500 yuan, down 400 yuan compared to T - 1; the trading volume was 107,357 lots, down 1,046 lots; the open interest was 201,855 lots, up 10,146 lots [2] - Warehouse Receipts: The warehouse receipt volume was 36,718 lots, down 5,951 lots compared to T - 1 [2] - Base Difference: The spot - 2511 was 820 yuan, up 10 yuan compared to T - 1; the spot - 2601 was 600 yuan, down 50 yuan; the 2511 - 2601 was - 220 yuan, down 60 yuan [2] - Raw Materials: The price of spodumene concentrate (6%, CIF China) was 829 US dollars, down 10 US dollars compared to T - 1; the price of lithium mica (2.0% - 2.5%) was 1,765 yuan, down 45 yuan [2] - Lithium Salts: The price of battery - grade lithium carbonate was 73,100 yuan, down 450 yuan compared to T - 1; the price of industrial - grade lithium carbonate was 70,850 yuan, down 450 yuan [2] - Related Products: The price of ternary material 523 (polycrystalline/consumer type) was 121,625 yuan, up 800 yuan compared to T - 1; the price of ternary material 622 (polycrystalline/consumer type) was 124,975 yuan, up 900 yuan [2] Macro and Industry News - The SMM battery - grade lithium carbonate index price was 73,039 yuan/ton, down 414 yuan/ton compared to the previous working day; the average price of battery - grade lithium carbonate was 73,100 yuan/ton, down 450 yuan/ton; the average price of industrial - grade lithium carbonate was 70,850 yuan/ton, down 450 yuan/ton [3] - In September, the preliminary statistics of China's passenger car market retail sales increased by 6% year - on - year and 11% month - on - month, reaching 2.239 million vehicles [3] - In September, new energy vehicle sales increased by 16% year - on - year and 17% month - on - month, reaching 1.307 million vehicles [5]