On January 4, the maleic anhydride market in Shandong region experienced a slight increase, with solid maleic anhydride ex-factory prices hovering around 4,850 yuan/ton and liquid maleic anhydride ex-factory prices around 4,450 yuan/ton. The auction transaction price in Yantai rose by 40 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 4,850 yuan/ton and liquid maleic anhydride ex-factory prices around 4,450 yuan/ton, along with a 40 yuan/ton increase in Yantai auction transaction prices, suggests tight market supply and demand or robust demand, driving spot prices upward. Market transactions are mainly driven by rigid demand, with limited price increases and no significant fluctuations, thus constituting a moderate positive impact on maleic anhydride spot prices, with a score of +1.