May 20 – On May 20, the market transaction sentiment for liquid caustic soda in Xinjiang improved. Currently, the mainstream ex-factory price for 32% ion-exchange membrane caustic soda in the region is around 2,550–2,600 RMB/ton (on a 100% basis), with producers primarily selling to downstream customers in surrounding areas.

Chempricehub's review of caustic soda, Bullish/Bearish Score: 1
Spot: Transaction sentiment for liquid caustic soda in Xinjiang has improved. The mainstream ex-factory price for local 32% ion-exchange membrane caustic soda is quoted at 2,550–2,600 RMB/ton (on a 100% basis). Producers mainly ship to downstream clients in surrounding areas. Marginal improvement in demand supports spot caustic soda prices, which is bullish for the spot market.
Futures: On May 19, the main caustic soda contract (2607) on the Zhengzhou Commodity Exchange closed at 2,042 RMB/ton, up 11 RMB/ton from the previous trading day. Trading volume and open interest remain at high levels, and most deferred contracts closed higher. Market bullish sentiment has been boosted, forming a positive outlook for futures prices.