March 18th News: On March 18th, the maleic anhydride auction by Yantai Wanhua in East China did not result in any transactions. Chempricehub analysis of maleic anhydride, bullish-bearish score: -1. On March 18th, the maleic anhydride auction by Yantai Wanhua in East China failed to secure any bids, indicating weak market demand and low buyer interest. This event reflects an oversupply in the spot market or insufficient end-user consumption, which may exert downward pressure on the spot price of maleic anhydride. Prices are expected to face downward pressure in the short term. The score is -1.0 (generally bearish), as the failed auction directly points to demand-side issues, though it does not involve extreme supply-demand imbalances.