Japan's Central Bank Holds Rates Steady as Yen Weakens Past 160 Mark

The Bank of Japan kept its benchmark interest rate unchanged at 0.5% on Monday, defying market expectations of a hawkish shift even as the yen slid past the psychologically critical 160-per-dollar level for the first time since late 2024.

BOJ Governor Kazuo Ueda told reporters in Tokyo that the decision was unanimous among the nine-member policy board. "We need more time to assess the cumulative effects of our previous rate adjustments and the evolving global trade environment," Ueda said at a post-meeting press conference.

Yen Pressure Mounts

The Japanese currency traded at 160.42 against the dollar shortly after the announcement, its weakest level in nearly 18 months. The sharp depreciation has rattled Japanese households facing rising import costs on everything from food to energy.

Finance Minister Katsunobu Kato reiterated that authorities are "watching currency movements with a high sense of urgency" but stopped short of signaling direct intervention. Japan spent roughly $62 billion defending the yen during its last bout of weakness in 2024, according to Ministry of Finance data.

Inflation Stays Above Target

Consumer prices in Japan rose 2.8% year-over-year in March, the 36th consecutive month above the BOJ's 2% target. Core inflation, which strips out fresh food, came in at 2.6%. Services inflation — a metric Ueda has flagged as key to sustainable price growth — held at 1.9%.

"The data supports a rate hike, but the BOJ appears worried about a global slowdown triggered by ongoing tariff disputes," said Masamichi Adachi, chief Japan economist at UBS Securities in Tokyo.

Exporters Rally, Importers Stumble

The Nikkei 225 gained 1.3% following the announcement as export-heavy manufacturers benefited from the weaker yen. Toyota Motor shares rose 2.1%, while Sony Group added 1.8%. Conversely, importers and retailers fell — convenience store operator Seven & i Holdings dropped 0.9%.

Japanese government bond yields dipped slightly, with the 10-year JGB falling to 1.02% from 1.05% before the decision.

Fed Divergence Widens

The BOJ's hold contrasts sharply with the U.S. Federal Reserve, which has signaled a possible rate cut at its June meeting. The widening interest-rate gap between Tokyo and Washington has been the primary driver of yen weakness over the past quarter.

"As long as the Fed stays at 5.25% and the BOJ sits at 0.5%, the carry trade incentive keeps the yen under pressure," said Sayuri Shirai, a former BOJ board member and professor at Keio University.

What Comes Next

Markets now see a roughly 40% probability of a BOJ rate hike at the June meeting, down from 55% before today's decision, according to overnight index swap pricing. Much will depend on spring wage negotiation results — major unions have secured average pay increases of 5.1% this year, the highest in three decades.

The BOJ's next policy meeting is scheduled for June 12-13. By then, policymakers will have fresh GDP data and a clearer picture of how U.S. trade policy is affecting Japanese manufacturers' investment plans.