High Debt Levels Raised Treasury Market Risk

Investors face higher volatility risks as nonbank institutions hold more government debt than in previous years.

Updated on Sept. 29, 2026 in Stock Markets

Isometric editorial illustration showing a heavy steel weight balanced on a precarious lattice of bond certificates, symbolizing financial market instability. — Elevated public debt and the reliance of nonbank financial institutions on leverage continue to increase the risk of severe disruptions within the U.S. Treasury market. AI Illustration. Upload story photo >

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Data from 2025 indicated that elevated public debt levels significantly increased the likelihood of severe disruptions within the U.S. Treasury market. These risks are closely tied to the shifting landscape of who holds sovereign debt across global economies.

Why it matters

Higher government debt loads and the increased influence of nonbank financial institutions can lead to market dysfunction during periods of stress. When liquidity tightens, leveraged institutions may be forced to sell assets, which can suppress prices and heighten volatility for all market participants.

The three-month probability of severe Treasury market disruption rose to 3.8% under high debt conditions, compared to 0.3% when debt is low. Nonbank financial institutions now hold 53% of sovereign debt in advanced economies, an increase from 44% in 2021.

The players

Nonbank financial institutions

These entities, which include hedge funds and other private investment vehicles, manage significant pools of capital and sovereign debt holdings.

Liability-driven investment funds

These investment vehicles, often used by pension funds, match assets to liabilities and were central to the 2022 U.K. gilt market volatility.

The details

Nonbank financial institutions, such as liability-driven investment funds, often rely on leverage that can necessitate forced selling when market conditions deteriorate. During the 2022 U.K. gilt episode, such forced sales led to peak price discounts of approximately 7%. As these entities hold a larger share of debt, their deleveraging processes can reduce the market's overall capacity to absorb shocks, complicating stability for other investors.

2021 was the year nonbank financial institutions held 44% of sovereign debt.
2022 saw forced sales occur during the U.K. gilt episode.
2025 marked the year nonbank holdings reached 53% of sovereign debt.
Within three months, the probability of Treasury market stress rises to 3.8%.

Money Landscape

The current market environment reflects a shift toward higher sovereign debt levels compared to historical baselines. This trajectory follows the pattern set by the 2022 U.K. gilt episode, where concentrated holdings in nonbank sectors exacerbated price volatility during liquidity crunches.

Increased market volatility can affect the returns on funds and accounts that hold significant amounts of government debt. While these shifts are broad, investors should review their portfolio's exposure to interest rate and liquidity risk in consultation with a financial professional.

The takeaway

Large-scale government debt and changing ownership patterns within the financial system have made Treasury market disruptions a more significant risk factor. Investors should periodically review their asset allocation to ensure it aligns with their personal risk tolerance and liquidity needs.