March 9th News: On March 9th, the price of liquid caustic soda at Shandong Dezhou Shihua was raised, with the acceptance quotation for 32% ion-exchange membrane caustic soda increasing to 750 yuan/ton. Actual orders are negotiable, and the 400,000-ton chlor-alkali plant is operating normally. Chempricehub's analysis of caustic soda indicates a bullish-bearish score of 1.5. The price increase of Shandong Dezhou Shihua's liquid caustic soda to 750 yuan/ton suggests tight supply or increased demand in the spot market, directly benefiting the spot price of caustic soda. Combined with futures data, the main caustic soda contract, such as 2605, showed a significant price increase (settlement price of 2,319 yuan/ton, up 125.00 yuan), with trading volume expanding to 867,169 lots and open interest increasing, indicating bullish market sentiment. The spot price increase may further support the upward movement of futures prices, creating an overall favorable market trend.