During the current period (October 15–21, 2026), domestic butadiene inventories declined, with total sample inventory dropping by 6.49% week-on-week.
Specifically, inventory at sampled enterprises rose by 11.60% compared to the previous week. This increase occurred as domestic production units gradually resumed operations, while downstream buyers maintained a cautious wait-and-see stance regarding purchases. Meanwhile, inventory at sampled ports fell by 18.65% week-on-week. Although some imported cargoes arrived during the week, they had not yet been stored in warehouses; consequently, port inventories decreased slightly due to normal consumption of raw materials by downstream users.
Sample Description:
Butadiene producer inventory refers to stocks held by PetroChina, Sinopec, and other enterprises, representing 45% of the total domestic butadiene production capacity. The sample comprises 19 enterprises.
Butadiene port inventory reflects stock levels in East China, covering 100% of commercial tank farms. The sample includes nine tank farm sites: four commercial tank farms and five enterprise-owned feedstock tank farms.
Definition:
Inventory data for Chinese butadiene producers and sampled tank farms represent physical stock quantities, defined as the actual volume of product present in warehouses at a specific point in time.
Statistical Methodology:
Chempricehub’s statistical cycle for Chinese butadiene inventory is based on data from Wednesday of each week. Data are released before 17:00 on every business Thursday.
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