On January 9, Shandong Luxi Chemical increased the price of liquid caustic soda, with the quotation for 32% ion-exchange membrane caustic soda rising by 10 yuan to 680 yuan/ton. The 400,000-ton/year chlor-alkali plant is operating normally. PriceSeek's analysis of caustic soda shows a long-short score of 1.5. The article indicates that the spot price of Shandong Luxi Chemical's 32% ion-exchange membrane caustic soda has increased by 10 yuan to 680 yuan/ton, suggesting an improvement in spot market demand for caustic soda or stronger cost support, which generally supports spot prices. The plant is operating normally, ensuring stable supply with no additional negative factors. Considering the caustic soda futures market, the settlement price of the main contract 2603 on the Zhengzhou Commodity Exchange was 2,239 yuan (as of January 8, 2026), showing a recent upward trend (an increase of 8.00 yuan). The spot price increase may reinforce market bullish expectations and boost futures prices, particularly for near-month contracts.