碳酸锂：弱势震荡，关注矿端成交情况

Report Summary 1. Report Industry Investment Rating - Not provided in the given content 2. Core Viewpoint - The report indicates that the price of lithium carbonate is in a weak and volatile state, and it is recommended to pay attention to the transaction situation at the mining end [1] 3. Summary by Related Catalogs 3.1 Fundamental Tracking - Futures Data: For the 2507 contract, the closing price was 60,860 yuan, down 320 yuan from T - 1; the trading volume was 242,276 lots, an increase of 18,212 lots from T - 1; the open interest was 339,673 lots, an increase of 3,866 lots from T - 1. For the 2509 contract, the closing price was 62,100 yuan, down 480 yuan from T - 1; the trading volume was 35,403 lots, a decrease of 1,867 lots from T - 1; the open interest was 87,821 lots, an increase of 4,439 lots from T - 1 [1] - Spot and Basis Data: The spot - 2507 basis was 2,390 yuan, down 130 yuan from T - 1; the spot - 2509 basis was 1,150 yuan, up 30 yuan from T - 1; the 2507 - 2509 basis was - 1,240 yuan, up 160 yuan from T - 1 [1] - Raw Material and Lithium Salt Data: The price of spodumene concentrate (6%, CIF China) was 694 US dollars, down 6 US dollars from T - 1; the price of lithium mica (2.0% - 2.5%) was 1,295 yuan, down 15 yuan from T - 1; the price of battery - grade lithium carbonate was 63,250 yuan, down 450 yuan from T - 1 [1] 3.2 Macroeconomic and Industry News - Lithium Carbonate Price: The SMM battery - grade lithium carbonate index price was 63,508 yuan/ton, down 466 yuan/ton from the previous working day; the average price of battery - grade lithium carbonate was 63,250 yuan/ton, down 450 yuan/ton from the previous working day; the average price of industrial - grade lithium carbonate was 61,600 yuan/ton, down 450 yuan/ton from the previous working day [2] - Lithium Ore Import: In April 2025, the total import volume of spodumene was about 623,000 tons, with lithium ore from Australia, Zimbabwe, and Nigeria accounting for 79%. The import volume of lithium ore from Australia was 298,000 tons, a 3% month - on - month decrease; from Zimbabwe was 106,000 tons, an 82% month - on - month increase; from Nigeria was 89,000 tons, a 4% month - on - month increase. The import of lithium ore from South Africa decreased by 22% month - on - month [3] - Lithium Carbonate Import: In April 2025, China imported 28,000 tons of lithium carbonate, a 56% month - on - month increase and a 34% year - on - year increase. From January to April, China's cumulative import of lithium carbonate was 79,000 tons, a 27% cumulative year - on - year increase [3] 3.3 Trend Intensity - The trend intensity of lithium carbonate is - 1, indicating a relatively bearish view, with the value ranging from - 2 (most bearish) to 2 (most bullish) [3]