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The Hater's Guide To Bonds With Rob Wigglesworth

Oct 14, 2026 · 42m

Summary

Robin Wigglesworth explains the bond market’s mechanics, including why the 10-year Treasury yield serves as a global benchmark and how yields inversely track prices. He discusses how massive AI data center debt issuance is reshaping corporate finance and debates whether it is driving up US government borrowing costs. The conversation also covers the rise of junk bonds, the "fallen angel" phenomenon, and why maturity walls are generally manageable unless they coincide with an economic recession.

Topics discussed

Introduction and sponsor read Guest intro: Robin Wigglesworth and the book 'A Fabulous Debt' What are bonds and who issues them? Diverse bond issuers: from World Bank to municipalities The role of underwriters and the municipal bond market Understanding bond pricing, par value, and yields The inverse relationship between bond prices and yields Why the 10-year US Treasury is the benchmark Historical context of the 10-year Treasury Debt sustainability: growth vs. interest costs France's debt crisis and political instability AI hyperscalers entering the bond market Shift in corporate bond market composition Does tech debt issuance raise government borrowing costs? Scale of AI bond issuance vs. US Treasury supply Ad break: Roland Martin Unfiltered Multiple factors driving bond yield changes Narratives and market sentiment in bond trading Why bond movements are measured in basis points The global impact of the US Treasury market Credit rating agencies and investment grade definitions History and perception of junk bonds Tax advantages of debt and the rise of high-yield bonds Distress signals in the lowest-rated junk bonds Junk bonds as an economic recession indicator Ad break: Roland Martin Unfiltered Vulnerability of low-rated firms in downturns Case study: SpaceX's credit rating despite high debt Capital structure and hierarchy of debt repayment How losses cascade through the debt stack Equity value as a cushion for corporate debt Rating agency review processes and sudden downgrades SoftBank's retail bond issuance in Japan Retail bond markets in Japan, Italy, and Germany SoftBank's borrowing strategy and Japanese interest rates The yen carry trade explained Risks and volatility of currency carry trades Celebrity-driven bond demand in Japan Comparison of fan-driven investment in US vs. Japan The 'maturity wall' problem for tech companies Refinancing risks and Oracle's financial position Oracle as a potential 'fallen angel' risk How companies roll over debt instead of repaying Scenarios where refinancing fails Conclusion and book recommendation Outro and community links End of episode
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