On January 7, the maleic anhydride market in Shandong region experienced a slight increase. The ex-factory price of solid maleic anhydride was around 4,950 yuan/ton, while the ex-factory price of liquid maleic anhydride was around 4,550 yuan/ton. The transaction price at the Yantai auction rose by 50–60 yuan/ton, with market transactions primarily driven by rigid demand. PriceSeek's analysis of maleic anhydride, with a bullish-bearish score of 1, indicates that the slight rise in the maleic anhydride market in Shandong, with solid maleic anhydride ex-factory prices around 4,950 yuan/ton and liquid maleic anhydride ex-factory prices around 4,550 yuan/ton, along with a 50–60 yuan/ton increase in Yantai auction transaction prices, suggests tightening spot supply or increased demand, driving prices upward. Market transactions are mainly driven by rigid demand, which, although not indicating strong growth, supports price stability. This situation is favorable for spot maleic anhydride prices, thus warranting a generally positive score.