December 31st News On December 31st, the latest quotation from Lihuayi Weiyuan Chemical Co., Ltd. was 6,600 yuan/ton, an increase of 60 yuan/ton compared to the previous trading day. Chempricehub Analysis of Styrene: Bull-Bear Score: +1.0 Reasoning: The spot price of styrene increased by 60 yuan/ton compared to the previous trading day, reaching 6,600 yuan/ton, indicating stronger market demand or tightening supply, which generally supports the spot price. Combined with futures market analysis, the main contract 2602 closed at 6,781 yuan (up 24 yuan) on December 30, 2025, with significant trading volume (328,179 lots), reflecting bullish market sentiment. This spot price increase may further support futures prices, with expected positive impacts on futures contracts such as 2602 and 2603, leading to a Bull-Bear Score of +1.0 (generally favorable).