U.S. Treasury securities have begun to show signs of regaining their traditional status as a safe haven, challenging investors who have positioned heavily for a continued bond market downturn in 2026. Recent market volatility, sparked by increasing concerns about leading artificial intelligence (AI) firms, has caused a notable decline in Treasury yields alongside a sharp sell-off in technology stocks.
Last week, the yield on 10-year U.S. Treasuries fell by approximately 17 basis points while the Nasdaq 100 index dropped 5.5%. This dual decline in both bond yields and tech stock prices has not been seen since the tariff disruptions in April 2025. The bond rally marks a reversal after several months in which Treasuries offered limited protection amid stock market turbulence.
Several factors had previously driven 10-year yields to their highest levels in over 20 years, including persistent inflation, a resilient U.S. economy, and heavy government and corporate borrowing—partly fueled by investment in AI infrastructure. However, recent setbacks in AI-related companies such as Anthropic, which has shown signs of slowing revenue growth, and Coreweave, an AI cloud computing provider whose debt prices have fallen, have raised questions about the sustainability of the AI boom and its impact on bond markets.
The surge in AI investment has contributed to inflationary pressures by boosting demand for computer chips and driving economic activity. Some market strategists characterize a potential AI-led slowdown as a form of negative demand shock that could eventually bring about disinflation, suggesting that intermediate-duration Treasuries might once again serve as effective portfolio hedges. Accordingly, firms like Julius Baer advise overweighting intermediate-term bonds.
Furthermore, the flood of corporate bond issuance this year—approximately $1.7 trillion, a 29% increase from 2025—has increased competition for investment capital, pressuring Treasury prices. Should confidence in AI-linked debt weaken, the appetite for new corporate bonds could diminish, shifting demand back toward government securities. John Briggs, head of U.S. rates strategy at Natixis North America, noted that declining interest in AI-related debt may reduce corporate issuance, thereby supporting longer-term Treasuries.
Market positioning has also influenced recent movements, with commodity trading advisers cutting back on short Treasury futures after initiating aggressive bearish bets last week. This shift intensified demand for Treasuries, particularly as investors sought refuge amid broader market uncertainty.
Inflation data released last week initially increased expectations that the Federal Reserve would hike interest rates in October. These expectations peaked at around a 50% probability but fell as equity markets deteriorated. Comments from Federal Reserve Chairman Kevin Warsh at the International Monetary Fund’s annual meeting, which omitted specific monetary policy guidance but reaffirmed the Fed’s commitment to price stability, further contributed to market hesitancy. Currently, traders anticipate one rate hike before the end of 2026 and another in 2027.
Despite the recent bond rally, some analysts remain cautious. Steven Barrow, head of Group of 10 strategy at Standard Bank, called the Treasury gains a "red herring," citing ongoing inflation risks and a structural shift favoring equity ownership over sovereign debt. Additionally, a sharp rise in oil prices on October 16, driven by geopolitical tensions surrounding the Iran conflict and uncertainties over President Donald Trump’s proposal to release Russian diesel supplies, briefly pressured both stocks and Treasuries.
The absence of clear forward guidance from the Fed, a hallmark of Chairman Warsh’s policy approach, is expected to keep markets prone to volatility. Nonetheless, for longer-term investors, the evolving market dynamics may restore Treasuries’ role as a defensive asset, particularly if an AI-driven risk-off event unfolds. Masahiko Loo, senior fixed-income strategist at State Street Investment Management, emphasized that in such a scenario, Treasuries could finally provide the portfolio protection that has largely eluded investors in recent years.