Brent rose to $82.49 and West Texas to $77.29 a barrel on 6 Aug 2026, up $3.04 and $2.07, after Iran's parliamentary committee began considering a draft law barring US, Israeli and "hostile" ships from the Strait of Hormuz, with fines up to 20% of cargo value. Gulf crude exports remain about 40% below pre-war levels, and Saudi exports from Yanbu have slowed. For a Thai SME, expect pressure on diesel and fuel costs, transport and freight surcharges, and plastic and chemical input prices. Review fuel budgets and supplier price-adjustment clauses this month.