For the current period (September 17–23, 2026), domestic butadiene inventories increased, with total sample inventory rising by 4.10% week-on-week. Specifically, sample enterprise inventory decreased by 1.22% from the previous week. Driven by upcoming contract deliveries and holiday-related effects, some downstream users engaged in essential restocking, leading to a slight reduction in enterprise inventory. Meanwhile, sample port inventory rose by 7.59% week-on-week. Although limited imported butadiene vessels arrived during the week, supplemented by modest domestic trade shipments, normal consumption of raw material stocks by downstream users resulted in an overall increase in port inventory.
Sample Description:
Butadiene producer inventory includes stock held by PetroChina, Sinopec, and other enterprises, accounting for 45% of total domestic butadiene production capacity. The sample comprises 19 enterprise samples.
Butadiene port inventory refers to sample stock levels in the East China region, with commercial tank farms representing 100% of the sample scope. The port sample consists of 9 tank farm samples, including 4 commercial tank farms and 5 enterprise raw material tank farms.
Definition:
Inventory levels at Chinese butadiene producers and sample tank farms refer to physical stock, defined as the actual quantity of products present in warehouses at a specific point in time.
Statistical Scope:
The statistical period for Chempricehub’s China butadiene inventory data covers the figures recorded on Wednesday of each week. Data is released before 17:00 on working Thursdays.
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