On February 9, the closing price of the para-xylene (PX) market in the United States increased by $3 per ton, reaching $952–962 per ton FOB US Gulf. PriceSeek's analysis of PX shows a bullish-bearish score of 1. The spot closing price of para-xylene (PX) in the United States rose by $3 per ton to $952–962 per ton FOB US Gulf, indicating tight market supply and demand, which is favorable for spot prices. Key futures contracts, such as the 2612 settlement price, increased by 82 yuan per ton to 7,290 yuan per ton, with higher trading volume and positive changes in open interest, supporting a bullish outlook for futures prices. Overall market sentiment is positive, but the increase is relatively modest, representing a generally favorable development.