Thursday (January 15) Asian butadiene market closed up by USD 20/ton: South Korea FOB quoted at USD 1120-1128/ton; China CFR quoted at USD 1155-1163/ton. PriceSeek analysis of butadiene, long-short score: 1. Asian butadiene spot prices closed up by USD 20/ton, with South Korea FOB at USD 1120-1128/ton and China CFR at USD 1155-1163/ton. This indicates tightening market supply and demand, likely due to increased regional demand or reduced supply, which is favorable for spot price trends. The score is +1 (generally positive), as the price increase is significant but not at a major level, and is expected to boost spot trading activity.