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What's Behind the Big Surge in US Government Bond Yields

Thursday, 3 September 2026 · 2 min read · Listen to the episode ↗

This episode delves into the recent surge in U.S. government bond yields, attributing it to the Federal Reserve's policies and the current economic climate. Darrell Duffy discusses the implications of rising yields on dealer balance sheets and the impact of high public debt on market dynamics. The episode also highlights concerns about foreign investor participation and the historical levels of government deficits, suggesting a shift in fiscal limits as the Treasury market expands significantly.

The episode examines the recent surge in U.S. government bond yields, linking it to the Federal Reserve's actions and the broader economic landscape. Darrell Duffy highlights that rising bond yields are tied to the payment system and market dysfunction, with the volume of public debt traded significantly impacting dealer balance sheets.

Duffy points out that the U.S. is facing substantial interest expenses, which has led to efforts aimed at lowering bond yields. He notes that foreign investor participation in the bond market has not kept pace with its growth, negatively affecting demand. The discussion reveals that government deficits and debt-to-GDP ratios are at historically high levels, with no signs of improvement, marking a shift in the prevailing belief that rates would continue to decline.

The episode references a warning from the International Monetary Fund, indicating that many major governments have exceeded its red line for debt-to-GDP, suggesting a change in fiscal limits. The Treasury market has expanded dramatically, growing from approximately $18 trillion to $31 trillion, with a significant amount of bond debt being issued, which is influencing current market dynamics.

The Treasury Department's strategy is discussed, clarifying that it is not being crowded out by hyperscalers but rather is experiencing the opposite effect. Inflation has consistently surpassed the Federal Reserve's target for the past five years, while the Fed has avoided addressing issues of fiscal dominance and yield curve control.

Scott Besant's perspective that Treasury yields are excessively high is mentioned, along with the market's swift reaction to his announcement, which later reversed. The episode also covers the Treasury's buyback program, designed to enhance market liquidity by replacing illiquid old Treasuries with new ones, drawing parallels to past central bank operations like quantitative easing.

Concerns are raised about the accumulation of short-term debt and its potential impact on long-term yields if the Treasury continues to issue long-term securities at current levels. Kevin Warsh's belief that a smaller Fed balance sheet would reflect less market involvement is noted, alongside the complexities involved in reducing the Fed's balance sheet.

The episode concludes with insights into the Fed's tools for managing its balance sheet, the challenges posed by liquidity regulations, and the ratchet effect that discourages banks from reducing reserves. The concept of buybacks in treasury securities is explored, particularly concerning off-the-run bonds that are less desirable.

Investors are closely monitoring the treasury market for signs of stabilization or rebound amid the yield surge. Besson expresses the view that current yields are excessively high, suggesting a potential buying opportunity. As of the recording, he is likely in a profitable position with his treasury purchases initiated on September 9th following a significant announcement.

However, uncertainty remains regarding the soundness of Besson's trade, indicating a divergence of opinions among analysts. The episode plans to revisit and track the progress of Besson's trade in a future installment, highlighting the ongoing complexities in the bond market.

This summary was generated from the episode transcript and can contain mistakes.