US Cumene Prices Rise 10.36% in early April 2026 Amid Closure of Strait of Hormuz

Cumene markets in the United States firmed sharply through the opening week of April as March tight domestic availability and downstream demand extended into spring restocking. Early March spot supply was constrained as suppliers prioritized contracted volumes; mid-month restocking from phenol, acetone and resin chains sustained buying momentum. By late March, formulators of resins—particularly 5G-grade polycarbonate and BPA-related formulations for automotive electronics—drove additional volume into the market, lifting activity into April. Elevated benzene and propylene costs from geopolitical and regional cracker developments reinforced seller confidence and tightened market balance ahead of the pre-summer restocking cycle. The phenol–acetone chain and polycarbonate/BPA/resin sectors were the primary demand engines, with elevated phenol operating rates lifting spot consumption and downstream buyers absorbing additional volumes. Data indicate the phenol output reliance on cumene is high, and BPA feedstock shares to polycarbonate remain substantial, underscoring sector linkages. Upstream dynamics, including logistics tightness, supported higher offers while domestic production remains the backbone of consumption, limiting external relief.