Peso and rupiah weaken as Asian currencies trade mixed
The Philippine peso fell 0.23% and Indonesia’s rupiah lost 0.22%, while the South Korean won led gains against the US dollar.
The Philippine peso and Indonesian rupiah posted the largest declines among 10 Asian currencies tracked against the US dollar on 19 October 2026, according to Refinitiv data at 09.20 WIB. The peso fell 0.23%, while the rupiah dropped 0.22% to Rp18,040 per US dollar.
The snapshot showed four currencies gaining, four declining and two unchanged. South Korea’s won led the advances with a 0.28% rise. China’s yuan strengthened 0.06%, Japan’s yen gained 0.03% and the Singapore dollar edged up 0.02%.
The Taiwan dollar fell 0.19% and Thailand’s baht slipped 0.09%. Vietnam’s dong and Malaysia’s ringgit were unchanged against the US currency.
The mixed regional performance came as the US dollar index, or DXY, declined 0.06% to 101.777 during Asian trading.
Investors were also preparing for the US Federal Reserve’s interest-rate decision on 28 October. CME FedWatch indicated that market participants were pricing in around an 84% probability that the central bank would leave rates unchanged at that meeting.
