Quick overview

---

The impact of rising oil prices on global inflation, the possibility of further interest rate hikes by central banks, and weakening fiscal dynamics across major economies have triggered alarm bells among investors.

Since late last week, sovereign bonds across the world’s leading economies have come under heavy selling pressure, pushing yields to multi-year highs and spreading volatility into Wall Street’s equity markets.

The clearest example is the yield on the 10-year U.S. Treasury bond — widely considered the main benchmark for the global economy — which currently stands at 4.672%, its highest level since the first week of 2025.

The current level of long-term U.S. Treasury yields is significant because it signals a broader shift in the global cost of capital. When the risk-free rate rises, financial assets across the world must reprice, including equities, corporate credit, emerging-market debt, and sovereign bonds.

For instance, Germany’s 10-year sovereign bond yield has climbed to its highest level since 2011, while UK government bond yields have reached levels not seen since 2008. Japan’s 10-year bond yield is now at its highest point since 1996.

War and Inflation Reignite Bond Market Fears

This sharp move in bond markets reflects a combination of short- and long-term factors.

“In the near term, the surge in crude oil prices has once again put pressure on inflation expectations, reducing hopes for rate cuts from the Federal Reserve and forcing markets to demand higher yields,” analysts noted.

The negative surprise in U.S. wholesale inflation data for April, released just days ago, also acted as a major catalyst for rising interest rates and deteriorating market sentiment.

Analysts at the Schwab Center for Financial Research (SCFR) argued that the moves “may partly reflect disappointment over the lack of progress with Iran” following meetings between U.S. President Donald Trump and Chinese President Xi Jinping, as well as concerns that geopolitical tensions could escalate again after Trump’s trip to China concludes.

ING analyst Padhraic Garvey echoed that view. “This shift began on the Friday following the conclusion of the U.S.-China summit. That day saw significant net selling of Treasuries, pushing real yields sharply higher,” he explained.

As a result, markets have started pricing in the possibility that the Federal Reserve could raise interest rates again. According to the CME Group’s FedWatch Tool, investors now assign a 58% probability to a rate hike at the Fed’s December meeting. By April 2027, that probability rises to 80%.

Structural Fiscal Concerns Add Long-Term Pressure

Beyond short-term geopolitical risks, investors are increasingly worried about deteriorating fiscal conditions in developed economies.

Major advanced nations continue to run elevated fiscal deficits, issue growing amounts of debt, and rely heavily on external financing. That dynamic has forced investors to demand higher risk premiums to hold long-dated sovereign bonds.

The United Kingdom and Japan have become particularly important examples of this trend.

In the UK, markets are concerned that the departure of Prime Minister Keir Starmer could pave the way for a more fiscally expansionary government at a time when British public debt is already at its highest level since the 1960s.