Core Viewpoint - The article highlights the significant challenges facing the global bond market, particularly focusing on the issues surrounding U.S. Treasury bonds and Japanese government bonds, amidst a backdrop of changing geopolitical and economic dynamics [1][4]. Group 1: Global Debt Market Dynamics - The recent "disastrous" auctions of 20-year Japanese and U.S. bonds signal a shift in the global bond market, emphasizing a supply-demand mismatch exacerbated by geopolitical tensions and fiscal policies [1][4]. - The U.S. tax cuts and spending bill passed by the House of Representatives poses a direct challenge to the rebalancing of global debt supply, suggesting a systemic increase in government debt [4][5]. Group 2: U.S. Fiscal Policy Implications - The tax cut and spending bill is projected to increase the deficit by $3.1 trillion over the next decade, which does not account for potential tariff revenues [5]. - The U.S. government shows no intention of reducing its deficit or debt levels, with an expected annual budget deficit of around $2 trillion in the coming years [5][11]. Group 3: Japanese Bond Market Insights - Japan's bond market is experiencing a shift, with traditional domestic buyers reducing their duration, while overseas funds are becoming significant net buyers [8]. - The low interest rates since 2021 have led to a substantial increase in yen-denominated cross-border financing, which could have a profound impact on global liquidity [5][8]. Group 4: Supply-Demand Mismatch in U.S. Treasuries - The U.S. Treasury market faces a supply-demand mismatch, with an anticipated annual issuance of approximately $2 trillion in government bonds [11]. - The main holders of U.S. Treasuries include the Federal Reserve, U.S. commercial banks, U.S. residents, and foreign investors, with foreign investors being crucial for market stability [11][16]. Group 5: Scenarios for Tax Cuts and Tariffs - Four potential scenarios are outlined regarding the impact of tax cuts and tariff negotiations on the U.S. Treasury market, with the most likely scenario indicating significant downward pressure on bond prices if tax cuts proceed without resolution in tariff discussions [19][20].