Group 1 - The domestic futures market for caustic soda is experiencing a downward trend, with the main contract showing a decline of 2.03% [1] - The main contract for caustic soda opened at 2520.0 CNY/ton, reaching a high of 2540.0 CNY and a low of 2463.0 CNY during the trading session [1] - The overall market fundamentals for caustic soda remain stable, with expectations for liquid caustic prices to increase moderately [1] Group 2 - The production capacity utilization rate for caustic soda increased by 1.5% to 84.1%, while the inventory levels at liquid caustic factories decreased by 3.59% to 40.09 thousand tons [2] - The operating rate for alumina decreased by 0.29% to 75.47%, indicating weak demand for caustic soda [2] - The market for caustic soda is expected to remain weak in the short term, with the main contract anticipated to fluctuate [2]