Group 1: Report Title and General Information - The report is titled "Carbonate Lithium: Tight Supply and Demand, with Bottom Support on the Futures Market" and was released on February 24, 2026 [1] Group 2: Fundamental Data Summary - **Futures Contracts**: For the 2605 contract, the closing price was 152,640, with a change of 3,220 compared to T - 1; the trading volume was 300,191, down 4,607; and the open interest was 342,226, down 11,749. For the 2607 contract, the closing price was 153,000, up 3,600; the trading volume was 29,465, down 5,497; and the open interest was 90,394, up 95 [2] - **Warehouse Receipts**: The number of warehouse receipts was 38,759, up 1,477 [2] - **Basis**: The basis of spot - 2605 was - 8,890, down 1,970; spot - 2607 was - 9,250, down 2,350; 2605 - 2607 was - 360, down 380; electro - carbon - industrial carbon was 3,500, unchanged; spot - CIF was 19,521, up 1,250 [2] - **Raw Materials**: The price of lithium spodumene concentrate (6%, CIF China) was 2,000, unchanged; lithium mica (2.0% - 2.5%) was 4,640, up 65 [2] - **Lithium Salts and Related Products**: The price of battery - grade carbonate lithium was 143,750, up 1,250; industrial - grade carbonate lithium was 140,250, up 1,250; battery - grade lithium hydroxide (micropowder) was 144,000, up 1,000; and various types of lithium iron phosphate and ternary materials also had different price changes [2] Group 3: Macro and Industry News - Samsung SDI announced a breakthrough in extending the lifespan and improving the safety of lithium - metal batteries, jointly developing a fluorine - based gel polymer electrolyte with Columbia University to suppress dendrite formation [3] - On February 14, 2026, the Zijin Mining solid - state battery lithium - ion new material construction project, undertaken by China Construction Third Engineering Bureau Third Company, officially started in Shanghang County, Longyan City, Fujian Province [4] Group 4: Trend Intensity - The trend intensity of carbonate lithium is 1, indicating a "neutral" state as it falls within the [-2, 2] integer range [4]