Singapore’s domestic supply price index surged 21.6% year-over-year in March 2026, the sharpest increase since June 2022, as the Middle East war drove energy costs higher. The acceleration from an upwardly revised 2.4% rise in February was led by a 49.9% jump in mineral fuels. Additional upward pressure came from machinery & transport equipment (16.4% vs. 10.8% in February), chemicals & chemical products (4.3% vs. –8.7%), and manufactured goods (3.0% vs. 1.1%). On a monthly basis, the index climbed 16.1% in March, following a 3.7% increase in February, as oil prices soared 60.4%.