库存小幅增加，过剩格局仍未改变

Report Industry Investment Rating No relevant information provided Core View The fundamental pattern of supply surplus in the lithium carbonate market remains unchanged. Although the futures market has rebounded in the short - term due to improved macro - sentiment and expectations of energy storage exports, the upside space is limited, and the spot trading volume is average [1][2] Summary by Related Content Market Analysis - On May 15, 2025, the main lithium carbonate contract 2507 opened at 64,680 yuan/ton and closed at 64,120 yuan/ton, a 0.83% decline from the previous settlement price. The trading volume was 230,077 lots, and the open interest was 289,360 lots, an increase of 12,404 lots from the previous day. The total open interest of all contracts was 480,821 lots, a decrease of 3,011 lots, and the total trading volume decreased by 194,070 lots. The overall speculation degree was 0.58. The lithium carbonate warehouse receipts decreased by 52 lots to 36,664 lots [1] - According to SMM data, on May 15, 2025, the price of battery - grade lithium carbonate was 63,800 - 65,800 yuan/ton, and the price of industrial - grade lithium carbonate was 62,650 - 63,650 yuan/ton, both up 100 yuan/ton from the previous day. Some lithium salt enterprises have carried out maintenance or production cuts, with the weekly output decreasing by 1,115 tons to 16,600 tons, but the production cut is less than expected, and the output is still at a high level [1] - The latest inventory is 131,920 tons, a slight increase of 351 tons from the previous period, with a significant increase in lithium salt factory inventories [2] Strategy - Unilateral: Range trading, sell - hedging on rallies - Options: Sell out - of - the - money call options or use bear - spread options [3]