Traders at work at the New York Stock Exchange on August 25, 2026.
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The global bond crash has raised borrowing costs across the economy, forcing governments, businesses and consumers to face the prospect of continuing to incur high levels of debt.
Global bond yields have risen to multi-year highs. German 10-year bond yield Reaching its highest since 2011, Japan’s ownership rate exceeds 3%, US 10-year Treasury yield Reaching the highest price since November 2023, uk gold yield In the past few days, it has reached its highest level since 2008.
The recent decline reflects a combination of high government debt issuance, an oil price shock that has reignited inflation concerns, and expectations that central banks may tighten monetary policy for an extended period of time.
The move signals further volatility in the bond market, with implications that could be felt throughout the economy and financial markets.
“This is a continuation of a medium-term trend that has been going on for years,” said Robin Brooks, a senior fellow at the Brookings Institution.
Natalia Rozhevsky, managing director at CIFC Asset Management, also sees room for yields to rise further as large bond issuances collide with new inflation risks.
Government: Increasing interest bill
Analysts interviewed by CNBC say governments are among the countries most affected by rising yields. Sovereign debt burdens are already rising in many parts of the world, and refinancing maturing debt at higher interest rates will gradually increase interest costs and strain public finances.
“The most vulnerable sovereigns are those with a combination of large deficits, high debt burdens and dependence on external capital,” said Masahiko Roux, senior fixed income strategist at State Street Investment Management. “France stands out among advanced economies,” said Masahiko Roux, senior fixed income strategist at State Street Investment Management.
He added that countries with twin deficits across emerging markets remain particularly at risk, as rising global yields raise both borrowing costs and funding risks.
“When debt, deficits and external financing needs collide, markets tend to be unforgiving,” he added.
Authorities can try to control yields by buying back bonds or changing the amount or maturity of bonds issued. However, these measures do not solve the fundamental imbalance between high borrowing and investor demand.
“The higher yields rise, the more unstable the long-term fiscal trajectory becomes for many countries,” Deutsche Bank said in a recent note.
Japan has made this pressure particularly clear. Government debt accounts for more than 200% of gross domestic product, making public finances highly sensitive to rising borrowing costs. National debt service is estimated to account for more than 25% of government spending in fiscal 2026.
Company: Reaching growth plans
Companies will have to pay more to refinance debt and finance expansion. Companies with large borrowing needs, weak balance sheets, or floating rate debt are particularly vulnerable.
Small-cap stocks tend to hold more floating-rate debt than their larger peers, meaning their interest expenses can rise relatively quickly as interest rates rise, said Thomas Brown, portfolio manager at Keeley Teton Advisors.
“Pressure points are the most leveraged points for people who are used to free money,” Lu says. Similarly, he highlighted that commercial real estate, private equity-backed companies, direct lending portfolios and low-quality software businesses are among those most at risk. Many were financed on the assumption that capital would remain plentiful and cheap.
The boom in investment in artificial intelligence adds another wrinkle. Technology companies are issuing huge amounts of debt to build data centers and related infrastructure, competing with governments and other corporate borrowers for investor money.
“There’s a huge amount of bonds being issued to fund different AI projects, but the issuers of those bonds are pretty price-insensitive,” said Larry Holzenthaler, senior portfolio manager at Catalyst Funds.
Higher benchmark yields can increase financing costs even for healthy companies, making some factories, data centers, acquisitions, and other investments less economical.
Consumer: K-shaped squeeze
Higher long-term yields are reflected in mortgages, car loans, and other household credit. The burden is not shared equally.
“This long end of the curve is very important because it drives up the cost of capital, not just for businesses, but for people with mortgages and the housing market,” Holzenthaler said.
Low-income consumers, who spend most of their income paying off debt and buying essentials, are likely to feel the squeeze first, market sources said. Wealthier households may benefit from higher savings returns and are generally better able to absorb larger monthly payments.
“You have this K-shaped dynamic with consumers, and it’s going to be felt the most by people on lower incomes rather than wealthier people in terms of the percentage of my paycheck going to car payments, mortgage payments, student loans,” Holzenthaler added.
The impact may be felt gradually as fixed-rate loans mature and households refinance. But if spending slumps due to pressure on low-income earners, the effects could spread throughout the economy.
Stock investors: pressured by yields
Stock markets are showing resilience, supported by strong earnings and optimism about AI-driven productivity gains. But while rising bond yields make safer government debt more attractive than stocks, it also reduces the present value that investors assign to a company’s future earnings.
“Rising yields are going to be painful for stocks at some point,” Rozewski said.
“The stock market has been remarkable in that it has been able to see through and overlook these rises in yields. … But eventually it starts to catch up. I think that’s what’s happening.”
Still, rising yields yield some notable winners. It’s a new bond buyer. Unlike the low-yield environment of the beginning of the decade, higher coupon payments now cushion against further price declines.
Deutsche Bank forecasts that 10-year Treasury yields could rise to about 5.5% over the next 12 months before capital losses from falling bond prices outweigh the coupon income investors receive. For total returns to turn negative, the yield would need to rise to about 6.4% over two years.
This calculation refers to the nominal total return, which combines coupon income and changes in bond market prices.
