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Japan's Tokyo core CPI for March fell to 1.7% year-on-year, marking a decline from 1.8% in the previous month and missing expectations of 1.8%. This is the lowest reading since April 2024 and the second consecutive month below the Bank of Japan's 2% inflation target. Energy subsidies and lower energy prices are cited as key factors suppressing inflation, despite a rebound in service-sector prices. The data highlights ongoing deflationary pressures in the world's third-largest economy, raising questions about the Bank of Japan's timeline for monetary tightening.

The weaker-than-expected CPI reading could delay the BOJ's exit from ultra-loose monetary policy, maintaining pressure on the yen and influencing USD/JPY dynamics. Traders will closely monitor BOJ statements for hints about potential rate hikes or yield curve control adjustments. The data also impacts global markets, as Japan's policy trajectory affects carry trade flows and Asian equity valuations.

Investors should watch for follow-up economic indicators like Q1 GDP and employment data to assess the sustainability of the BOJ's inflation target. Energy price trends and government subsidy policies will remain critical factors. The yen's performance against majors like EUR/JPY and USD/JPY could see increased volatility as markets reassess Japan's inflation outlook.