Natural rubber front-month printed 20,095 yuan/t, up 5.54%, while butadiene rubber (BR) reached 16,000 yuan/t, up 3.96%. Both rose, but NR ran faster, widening the NR–BR gap to 4,095 yuan/t.

This NR leg is not demand-led. Heavy rainfall across Southeast Asian growing belts interrupted tapping and pushed vessel arrivals later; BR tracked tight butadiene supply instead. Tire makers are squeezed from both sides: feedstock is dearer, yet overseas order quotes for US and European replacement tires were fixed on old costs, so margins thin out.

Operator read: tire plants should move pricing from a monthly to a weekly window and use BR futures to hedge NR arrival uncertainty. Do not stockpile NR indiscriminately — under butadiene's tight balance, BR has less substitution elasticity, so protect BR safety stock instead.

For SNSUC: rubber is two of our thirteen categories. Once title sits on-chain, the pricing ticket and the warehouse receipt share one hash, so hedging and physical no longer run on two separate books.