On Tuesday (January 6), the international butadiene market closed partially higher: European butadiene FOB Rotterdam settled at $640-648/ton; FD Northwest Europe settled at €650-658/ton. PriceSeek's analysis of butadiene, with a bullish-bearish score: +1. The article reports that international butadiene market prices closed partially higher, with European FOB Rotterdam settling at $640-648/ton and FD Northwest Europe settling at €650-658/ton. This indicates improved demand or tightening supply, providing favorable support for spot butadiene prices, and a moderate price increase is expected in the short term. The score is +1 (generally bullish), as the extent of the price increase, though not explicitly stated, reflects an overall positive trend consistent with changes in market supply and demand fundamentals.