By COMFORT OGBONNA
Global bond yields climbed sharply on Tuesday, reaching major new highs as renewed fighting in the Middle East pushed oil prices higher and investors prepared for a potential wave of interest-rate increases from central banks.
Japan’s 10-year government bond yield reached 3% for the first time in decades, marking a significant shift for a market that has historically been characterized by exceptionally low borrowing costs.
The benchmark 10-year U.S. Treasury yield also moved above a closely watched level, reaching 4.78%, its highest point since early 2025. The rise in U.S. Treasury yields is particularly important for global financial markets because Treasury rates influence borrowing costs and asset valuations around the world.
European government bonds also remained under heavy selling pressure. Futures for French and German debt extended recent declines, with yields in both countries having reached their highest levels in about 15 years.
Australian 10-year government bond yields recorded their sharpest increase in five months, adding to evidence that the global bond selloff is spreading across major markets.
The latest moves have been driven by several factors, including higher oil prices, renewed geopolitical tensions, concerns over inflation and growing government borrowing requirements.
Rising oil prices can increase inflation by raising transportation and production costs, potentially making it more difficult for central banks to lower interest rates.
At the same time, governments around the world are issuing large amounts of debt to finance spending, prompting investors to demand higher returns for holding longer-term government bonds.
The pressure is particularly significant in Japan, where the 10-year government borrowing cost has now reached a level that policymakers had previously assumed would represent a longer-term funding benchmark.
The increase could place additional pressure on government finances as Prime Minister Sanae Takaichi’s administration pursues policies aimed at encouraging economic growth through increased spending.
Japan’s rising bond yields are being closely watched because the country’s government debt burden is already among the highest in the developed world.
For years, Japan’s low interest rates helped anchor global borrowing costs and encouraged investors to seek higher returns overseas. The sharp rise in Japanese yields could gradually change those international investment flows.
Investors are also reassessing expectations for U.S. monetary policy.
Recent comments from Federal Reserve Chair Kevin Warsh have contributed to expectations that interest rates could remain higher for longer, particularly if inflation fails to move decisively toward the central bank’s target.
Some market participants now expect the Federal Reserve to begin a new rate-hiking cycle as soon as this month.
Andrew Lilley, chief rates strategist at Barrenjoey, said much of the recent bond-market selloff reflected a reassessment of the Federal Reserve’s policy outlook.
He expects a September rate increase and believes it could mark the beginning of a cycle involving at least three rate increases.
Markets are also pricing in a potential interest-rate increase in New Zealand on Wednesday and another increase in Europe next week. Rate increases in the United States and Japan this month are also being viewed as increasingly possible.
The combination of higher interest rates and rising government bond yields has created a difficult environment for stock markets.
U.S. stock futures were little changed on Tuesday, while European futures edged lower after Wall Street ended Monday with modest declines.
Investors are also looking ahead to Friday’s U.S. employment report, which could provide important evidence about the health of the labor market and influence expectations for Federal Reserve policy.
A stronger-than-expected jobs report could reinforce expectations for higher interest rates, while signs of a weakening labor market could reduce pressure on the central bank to tighten policy.
Asian Stocks Under Pressure
Asian equity markets struggled as rising borrowing costs weighed on sectors particularly sensitive to interest rates.
Japan’s Nikkei index was little changed, while Australian banks and retailers came under pressure because investors are concerned that higher mortgage and borrowing costs could deepen weakness in the country’s property market.
The concerns come as Australia’s housing market faces the possibility of a broader slowdown. Higher interest rates can reduce household purchasing power and make it more expensive for borrowers to service mortgages.
Hong Kong’s Hang Seng index fell about 1%, with the decline partly reflecting weakness in newly listed fashion retailer Shein Global.
The company’s shares fell about 8% in their first day of trading, extending concerns that had already surrounded its initial public offering.
The decline left the company’s market value at less than one-quarter of the level it had reached before its listing in 2022, highlighting investor concerns over its growth prospects and regulatory challenges.
Oil and Energy Risks Add to Market Pressure
The bond-market selloff is occurring as energy markets face renewed uncertainty.
Brent crude futures climbed above $91 a barrel as fighting between the United States and Iran raised concerns about potential disruptions to oil supplies and shipping routes in the Middle East.
President Donald Trump has threatened further strikes against Iran following the first direct exchange of attacks between the two sides in about a month.
Any further escalation could disrupt energy supplies and place additional pressure on already elevated oil prices.
Europe is facing a separate energy challenge as its benchmark natural gas price ended the summer at its highest level in about three and a half years.
European gas inventories are also at unusually low seasonal levels, increasing concerns about the region’s ability to build adequate reserves before winter.
The combination of expensive oil and natural gas could make it harder for inflation to fall, particularly in Europe, where energy costs have historically had a significant impact on consumer prices.
The global agricultural market is also being affected by geopolitical risks. Intensifying fighting between Russia and Ukraine has pushed wheat prices close to three-year highs, adding another potential source of pressure on food prices.
Dollar Gains Limited Despite Global Rate Increases
Despite the widespread rise in borrowing costs, the U.S. dollar has received only limited support because interest rates are increasing across several major economies rather than only in the United States.
The euro was broadly stable at $1.1619, while the Japanese yen stood at 159.76 per dollar.
Investors are awaiting preliminary euro zone inflation figures due later Tuesday for additional clues about the European Central Bank’s next policy decision.
The data will be particularly important as markets increasingly price in a potential European rate increase next week.
The broader market picture remains dominated by the same competing forces: higher energy prices are increasing inflation risks, while stronger government borrowing is pushing bond yields higher and central banks are preparing to respond.
If inflation remains elevated, investors could face a prolonged period of higher interest rates and borrowing costs.
That would increase pressure on governments, companies and households while potentially reducing the appeal of riskier assets such as stocks.
For now, investors are closely watching Friday’s U.S. jobs report, European inflation data and developments in the Middle East for signs of where global markets are headed next.
With benchmark bond yields reaching levels not seen in years across several major economies, the era of exceptionally cheap borrowing appears to be facing another major test.
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