日本参议院选举引发财政担忧 10Y日债利率创17年新高

Group 1 - Japan's 10-year government bond yield has risen to 1.599%, the highest level since 2008, driven by concerns over fiscal spending ahead of the upcoming Senate elections [1] - The 30-year Japanese government bond yield reached a record 3.21%, while the 20-year yield hit its highest level since 1999 [1] - Market expectations of fiscal expansion policies due to the Senate elections are contributing to the rise in long-term and ultra-long-term bond yields [1][3] Group 2 - Discussions among Japanese politicians regarding lowering the consumption tax are intensifying ahead of the Senate elections, which may lead to increased economic volatility [3] - The current inflation rate in Tokyo decreased to 3.1% in June from 3.6% in May, but remains high, potentially prompting the Bank of Japan to adjust its inflation expectations and accelerate its next interest rate hike [3] - The supply-demand imbalance in the Japanese bond market may worsen, particularly as life insurance companies' capacity to absorb new supply has declined [3] Group 3 - The Bank of Japan announced plans to slow the pace of government bond purchase reductions starting April next year, maintaining the benchmark interest rate at 0.5% due to increasing economic risks [4] - The Bank of Japan reiterated its plan to reduce monthly purchases of Japanese government bonds by approximately 400 billion yen (about 2.76 billion USD) each quarter until March 2026, consistent with previous guidelines [4]