South Korea’s producer prices rose 7.7% year-on-year in September 2026, slowing slightly from a 7.9% gain in August. Manufacturing producer prices increased 12%, driven primarily by a 53.6% jump in coal and petroleum products. Prices for computers, electronic and optical equipment advanced 20.5%, chemical products were up 17.5%, and basic metals climbed 14.9%. Service prices increased 3.9%, led by a 21.1% rise in financial and insurance service costs. Prices of agricultural, forestry, and marine products grew 3.3%, while utility prices rose 3.1%. On a monthly basis, the Producer Price Index edged up 0.2% in September.