碳酸锂：供需过剩延续，偏弱格局或难改

Report Industry Investment Rating - The trend strength of lithium carbonate is 0, indicating a neutral stance, with the取值 range being [-2, 2] for integer values, where -2 means most bearish and 2 means most bullish [3] Report's Core View - The supply-demand surplus of lithium carbonate continues, and the weak pattern may be difficult to change [1] Summary by Related Catalogs Fundamental Tracking Futures Market - For the 2507 contract, the closing price is 65,260, down 700 from T-1, 3,040 from T-5, etc.; the trading volume is 103,979, down 10,559 from T-1; the open interest is 256,291, up 11,562 from T-1 [1] - For the 2509 contract, the closing price is 66,520, down 700 from T-1; the trading volume is 17,826, up 4,780 from T-1; the open interest is 42,358, up 6,401 from T-1 [1] Basis - The basis of spot - 2507 is 1,840, down 150 from T-1; the basis of spot - 2509 is 580, down 150 from T-1; the basis of 2507 - 2509 is -1,260, unchanged from T-1 [1] Raw Materials - The price of lithium spodumene concentrate (6%, CIF China) is 767, down 6 from T-1; the price of lithium mica (2.0% - 2.5%) is 1,500, down 25 from T-1 [1] Lithium Salts and Related Products - The price of battery - grade lithium carbonate is 67,100, down 850 from T-1; the price of industrial - grade lithium carbonate is 65,400, down 800 from T-1; etc. [1] Macro and Industry News - SMM's battery - grade lithium carbonate index price is 67,184 yuan/ton, down 845 yuan/ton from the previous working day [1] - BYD's new energy vehicle sales in April 2025 were 380,100, a year - on - year increase of 21.33%; from January to April 2025, cumulative sales were 1,380,900, a year - on - year increase of 46.98% [1][3] - During the May Day holiday in 2025, the national consumer market was prosperous, with the sales of key retail and catering enterprises increasing by 6.3% year - on - year. The application volume for automobile trade - in subsidies exceeded 3 million from the beginning of 2025 to May 5, 0:00 [3]