On May 8th. This week (May 1-7, 2026), the average capacity utilization rate of caustic soda sample enterprises with a capacity of 100,000 tons or more in China was 82.5%, a decrease of 1.0% month-on-month. Chempricehub reviews caustic soda with a long-short rating: 1. On the spot side, the average capacity utilization rate of domestic caustic soda sample enterprises with a capacity of 100,000 tons or more this week was 82.5%, down 1.0 percentage points month-on-month, indicating a contraction in supply, which supports the spot price of caustic soda. On the futures side, on May 7, 2026, the closing price of the main caustic soda contract 2607 on the Zhengzhou Commodity Exchange was 2,136 yuan/ton, up 42 yuan/ton from the previous trading day, with open interest increasing by 1,215 lots. The demand for long positions has increased, exerting a positive influence on futures prices, which overall benefits the caustic soda market.