Lead-in: From January to September 2026, the theoretical profit margin for Bisphenol A (BPA) exhibited a volatile downward trend. The industry’s average gross margin stood at -801 yuan/ton during this period, representing a 48% decline year-on-year. The primary driver was the prolonged U.S.-Iran conflict throughout 2026, which pushed raw material prices significantly higher than in the same period last year. However, due to limited pass-through capacity among downstream end-users, BPA price increases failed to keep pace with rising input costs, resulting in an overall contraction in industry profitability.
On a quarterly basis, the theoretical BPA profit margin in Q1 was -255 yuan/ton. Supported by tight supply conditions, spot BPA prices rose while cost-side fluctuations remained minimal, keeping losses relatively contained. In Q2, the impact of the U.S.-Iran conflict led to a sharp increase in production costs. Although BPA prices initially followed this upward trend aggressively, market prices subsequently declined due to weak demand, causing the industry profit margin to drop to -1,024 yuan/ton—a quarter-on-quarter decrease of 302%. Q3 fell within the traditional off-season. During July and August, market dynamics were primarily driven by internal supply-demand factors rather than raw material trends, leading to price declines. Only in September did prices rebound slightly, supported by cost pressures and favorable supply constraints. Nevertheless, industry losses widened in Q3, with the average profit margin reaching -1,107 yuan/ton—an 8% decline from Q2 and a 39% drop compared to the same period last year.
Monthly profit trends for Chinese BPA from January to September 2026 continued their downward trajectory. The lowest monthly average profit occurred in June at -1,330 yuan/ton. This deep loss was attributed to increased circulation of both first-grade and qualified products from Jilin Petrochemical and Shandong Ruilin, combined with high inventory levels among other operating producers, which created significant supply pressure. Concurrently, downstream demand entered its seasonal low, exacerbating negative sentiment. Suppliers, bearish on the outlook, actively discounted prices to move inventory, causing transaction benchmarks to fall sharply. Meanwhile, phenol prices remained relatively firm, narrowing the spread between phenol and BPA, thereby intensifying industry losses. Conversely, March marked the highest monthly profit point for the January–September period, with an average margin of -38 yuan/ton. This improvement was largely driven by the outbreak of the U.S.-Iran conflict at the end of February, which triggered a surge in chain-wide prices in March. The widening price gap between BPA and phenol allowed for the most significant profit recovery during these nine months.
Looking ahead to Q4 2026, domestic BPA production is expected to rise as previously idled units resume operations following maintenance shutdowns. Supply is projected to gradually increase, surpassing Q3 output levels. If the pace of supply recovery outstrips improvements in downstream demand, the market will face renewed inventory accumulation pressure, potentially interrupting or reversing any profit recovery. Therefore, the rhythm of supply restoration remains the most critical variable in analyzing Q4 profitability.
In summary, the trajectory of BPA profits in Q4 2026 can be analyzed through three key dimensions:
First, cost volatility. Developments in the U.S.-Iran situation directly influence upstream product prices. If raw material costs remain strong while BPA prices fail to adjust synchronously, losses may widen again.
Second, the pace of supply recovery. As producers restart units after previous shutdowns, intensified competition may lead some firms to voluntarily restrict operating rates due to sustained losses, limiting supply growth and allowing for phased price and profit recovery. However, if maintenance units return simultaneously and new capacities stabilize, supply pressure could emerge rapidly.
Third, downstream absorption capacity. Changes in operating rates for polycarbonate (PC) and epoxy resin serve as direct leading indicators for BPA demand. If downstream sectors maintain strategies of low raw material inventories and rigid-demand procurement, the upside potential for BPA prices and the extent of profit recovery will remain constrained.
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