December 25th News — As of December 25, 2025, the inventory of fixed liquid caustic soda at sample enterprises with a capacity of 200,000 tons or more nationwide reached 442,200 tons (wet metric tons), marking a month-on-month decrease of 4.83% and a year-on-year increase of 39.57%. Chempricehub's analysis of caustic soda indicates a long-short rating of 1.5. The month-on-month inventory decline of 4.83% to 442,200 tons suggests a short-term tightening of supply, which is favorable for spot prices. However, the year-on-year increase of 39.57% indicates persistent long-term inventory pressure, which may limit price gains. In the futures market, the main caustic soda contracts, such as 2603 (closing price of 2,250 yuan per ton, up 53 yuan) and 2605 (closing price of 2,358 yuan per ton, up 51 yuan), generally saw price increases, with active trading volumes (e.g., 492,973 lots for the 2603 contract) and stable open interest, reflecting strengthened market optimism. Overall, the combination of reduced spot supply and positive futures performance provides strong support for prices.
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