Singapore's central bank unexpectedly tightened monetary policy on Monday. Persistent inflation risks from elevated energy costs prompted the move. The Monetary Authority of Singapore will slightly increase its exchange rate appreciation. This surprise decision boosted the Singapore dollar against the US dollar. Economists view this as a preventive step against future price pressures.

MAS holds Singapore dollar policy band steady with inflation projected at 1.5-2.5% for 2026, following its first tightening since 2022 in April.

The majority of analysts had expected the central bank to keep monetary policy unchanged.