Yen Lags Singdollar Despite BOJ Rate Hike

The Japanese yen fell 1.1% against the Singapore dollar to approximately 123.71. This decline occurred despite the Bank of Japan raising its policy rate by 25 basis points to 1.25%. The new rate marks the highest level in 31 years. The currency also dropped 1.2% against the US dollar to 157.98. These figures reflect a persistent weakness in the yen relative to its peers.

The Bank of Japan acted two days after the US Federal Reserve. The Fed raised its benchmark rate by 25 basis points to the 3.75%-4% range. This was the first US increase since 2023. The wide interest rate gap between Washington and Tokyo continues to pressure the yen. Investors remain drawn to higher yields in the US.

Internal BOJ resistance limits gains

Two BOJ board members voted to keep rates unchanged. This split vote signals resistance to faster tightening. Josh Gilbert of eToro noted the decision was expected but the dissent raises doubts. He stated that a genuinely hawkish message is needed to turn the yen around. Gilbert added that the current gap narrows too slowly to support the currency significantly.

Saktiandi Supaat of Maybank Group echoed this view. He said a sustained recovery requires a faster pace of rate increases. Markets must price in a higher eventual policy rate. The immediate impact of the hike is limited because it was widely anticipated. The move should provide some support for the yen over time by raising borrowing costs.

Forecast points to stable Singdollar

Maybank expects the yen to trade at 157 per US dollar by end-2026. It projects a slight strengthening to 156 in the first half of 2027. Against the Singdollar, the yen should remain broadly stable at 125. This outlook assumes the current policy trajectory continues. The currency weakened 5.1% against the Singdollar in 2025. It has fallen a further 0.4% in 2026.

Christopher Wong of OCBC Bank expects the Singdollar to remain resilient. This is supported by Singapore's exchange rate policy. The yen could strengthen if investors expect faster BOJ hikes. It could also rise if Japanese investors repatriate funds. Wong noted that yen volatility will likely remain elevated. Direction depends on the BOJ rate path and US-Japan bond yield differences.

Market factors drive volatility

The yen remains sensitive to BOJ signals and US bond yields. Low Japanese short-term rates continue to constrain recovery. Fiscal concerns also weigh on the currency. GN auto markets/forex: exchange rate data confirms the current standing. The gap between US and Japanese borrowing costs is the primary driver. Any intervention by Japanese authorities could also affect the price. Oil price shifts add another layer of complexity to the outlook.