In April, Japan's wholesale inflation accelerated to 4.9%, marking the highest rate in nearly three years, driven by rising energy and commodity prices linked to the ongoing conflict in Iran. This increase significantly surpassed market expectations of 3%, prompting speculation that the Bank of Japan (BOJ) may raise interest rates as early as June. The corporate goods price index (CGPI) reflects heightened inflationary pressures, particularly due to surging import costs, with petroleum and coal product prices increasing by 5.3% and chemical goods prices by 9.2%. The yen-based import price index also rose 17.5%, the steepest since December 2022, further complicating the BOJ's monetary policy decisions. As markets react, the yield on Japan's benchmark 10-year government bond has climbed to 2.665%, the highest in 29 years. Policymakers are now faced with the challenge of balancing inflation control with economic growth, especially as the government considers additional fiscal stimulus measures.