商品日报（12月23日）：贵金属大涨铂金再度涨停 碳酸锂收盘站上12万元／吨关口

Group 1: Market Overview - The domestic commodity futures market on December 23 saw more gains than losses, with platinum futures hitting the limit up with a 10.00% increase [1] - The China Securities Commodity Futures Price Index closed at 1556.08 points, up 21.79 points or 1.42% from the previous trading day [1] Group 2: Lithium Carbonate - Lithium carbonate closed above 120,000 yuan/ton, nearing the high from March 4, 2024, driven by a tight supply-demand balance [2] - Strong demand from energy storage is offsetting seasonal declines in demand for lithium carbonate, leading to a reduction in domestic inventory [2] - Despite the bullish sentiment, caution is advised regarding potential changes in supply-demand dynamics, as imports may increase in December [2] Group 3: Nickel Market - Nickel prices have risen over 11% in the last five trading days due to Indonesia's tightening of nickel ore supply policies [3] - Indonesia's planned reduction in nickel ore production by 2026 is expected to alleviate the long-standing oversupply in the nickel market [3] - However, demand may face seasonal pressures, and domestic nickel inventory is still increasing, indicating a cautious outlook for price support [3] Group 4: Ethylene Glycol and Liquefied Gas - Ethylene glycol futures fell over 3%, marking the fifth consecutive day of decline due to high domestic production and seasonal demand weakness [4] - Liquefied gas ended a six-day rising streak with a 1.68% drop, as market expectations for supply growth increased amid limited demand [4]