South Korea's Manufacturing PMI, compiled by S&P Global, surveys purchasing managers across Korea's manufacturing sector. The headline index uses 50.0 as the expansion/contraction threshold, with sub-indices covering output, new orders, new export orders, employment, and supplier delivery times.

Why It Matters

Korea is the world's 5th-largest exporter and its manufacturing sector — semiconductors, automotive, shipbuilding, petrochemicals, and steel — represents a significant slice of global supply chains. The PMI offers a real-time pulse check on these industries weeks before official production statistics are released.

Historical Context

Korea's manufacturing PMI has spent extended periods below 50 during global downturns. During the 2020 COVID shock, the PMI plunged to 41.6 in April 2020 (source: S&P Global). The 2022-2023 semiconductor downcycle also pushed the PMI below 50 for over a year before the AI-driven chip demand recovery lifted it back.

Sub-Indices to Watch

Relationship with Other Indicators

Korea's manufacturing PMI often moves in tandem with its early-month trade data (released by the 1st of each month by MOTIE). When both point in the same direction, the signal for global trade conditions is particularly strong. The PMI also correlates with Taiwan's PMI due to shared semiconductor exposure.

Market Impact

A PMI above 50 supports the Korean won and KOSPI, particularly semiconductor and industrial stocks. A persistent reading below 50 can trigger Bank of Korea (BOK) rate cut expectations and weigh on the won. Because Korean manufacturing is export-heavy, a weak PMI is often interpreted as a red flag for global demand, not just domestic conditions.