Recently, Japanese government bond yields have been steadily rising, drawing significant attention from global financial markets. As a country that has long pursued an ultra-loose monetary policy, Japan’s 10-year government bond yield has traditionally served as one of the global interest rate benchmarks. However, as the Bank of Japan (BOJ) gradually adjusts its Yield Curve Control (YCC) policy, market expectations for monetary policy normalization have intensified, pushing yields upward. Since 2024, the 10-year Japanese government bond yield has repeatedly breached the psychological threshold of 1%, reaching its highest level in years.Several factors underlie this trend: First, although global inflationary pressures have eased somewhat, domestic prices in Japan continue to rise, with core CPI remaining elevated—prompting the BOJ to reassess its extremely accommodative stance. Second, a tightening labor market and improving wage growth have strengthened the case for policy normalization. Third, the high-interest-rate environment maintained by major overseas central banks, such as the U.S. Federal Reserve, has created spillover effects on the yen and Japanese bonds, amplifying capital flow volatility.While rising yields may help improve banks’ net interest margins and bolster perceptions of fiscal sustainability, they also risk increasing the government’s debt servicing costs—Japan’s public debt exceeds 260% of GDP, the highest globally. Sustained rate hikes could therefore pose challenges to fiscal stability. Going forward, how the BOJ balances inflation control, financial stability, and debt sustainability will remain a key focus for markets.
近期，日本国债收益率持续攀升，引发全球金融市场广泛关注。作为长期实行超宽松货币政策的国家，日本10年期国债收益率一度被视为全球利率的‘锚’之一。然而，随着日本央行逐步调整其收益率曲线控制（YCC）政策，市场对货币政策正常化的预期升温，推动国债收益率上行。2024年以来，10年期日债收益率多次突破1%的心理关口，创下多年新高。这一变化背后有多重原因：首先，全球通胀压力虽有所缓解，但日本国内物价持续上涨，核心CPI维持在较高水平，促使日本央行重新评估其极端宽松立场；其次，劳动力市场趋紧与薪资增长改善增强了政策转向的底气；再者，海外主要央行（如美联储）的高利率环境也对日元和日债形成外溢压力，加剧资本流动波动。收益率上升虽有助于提升银行净息差、改善财政可持续性预期，但也可能推高政府债务利息负担——日本政府债务占GDP比重已超过260%，为全球最高。若利率持续走高，或将对财政稳定构成挑战。未来，日本央行如何在控制通胀、维护金融稳定与避免债务风险之间取得平衡，将成为市场关注焦点。
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