A violent global bond selloff is pushing borrowing costs sharply higher across the world’s largest economies, triggering fresh concerns that the rally across equities and cryptocurrencies may be entering dangerous territory.
U.S. Treasury yields have surged to some of their highest levels in years, with the benchmark 10-year Treasury recently climbing back above 5% during recent trading cycles — a level that historically tightens financial conditions across global markets.
Japan’s 10-year government bond yield has also climbed toward multi-decade highs near 2%, while yields across Europe have risen aggressively as investors dump sovereign debt amid mounting concerns over inflation, government deficits, and long-term fiscal sustainability.
The move is already beginning to ripple through risk assets.
Morgan Stanley has warned that if the bond rout accelerates, the stock market rally that has defined much of 2026 could face a significant correction.
The concern is simple: markets have spent much of the year pricing in lower interest rates, resilient growth, and endless AI-driven optimism. But rising yields are now threatening to unwind that narrative.
And crypto markets — increasingly tied to institutional liquidity flows — may not be insulated from the fallout.
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The Numbers Behind the Bond Selloff
The U.S. government is expected to issue trillions of dollars in new debt this year alone as fiscal deficits continue expanding. U.S. national debt has now surpassed $37 trillion, while annual interest payments on that debt recently crossed the $1 trillion mark for the first time in history — a major reason investors are demanding higher yields to compensate for long-term risk.
At the same time, inflation has remained stubbornly elevated despite years of aggressive tightening from central banks. Core inflation metrics across major economies continue to sit above target ranges, reducing expectations that policymakers will aggressively cut rates anytime soon.
Markets that previously anticipated multiple Federal Reserve rate cuts in 2026 are now rapidly repricing those expectations.
That shift has driven sharp volatility across fixed-income markets:
The U.S. 10-year Treasury yield has hovered around levels not seen since 2007.
The 30-year Treasury yield recently pushed above 5% — a psychologically important threshold for global markets.
Japan’s bond market, long suppressed by ultra-loose monetary policy, is experiencing some of its highest yields in decades.
German Bund yields have also climbed significantly as European borrowing costs rise alongside expanded fiscal spending plans.
The result is a broad repricing of global capital.
Why Rising Yields Matter So Much
Bond yields are effectively the foundation of the global financial system.
When yields rise, borrowing becomes more expensive across the economy — from mortgages and corporate loans to venture capital and speculative investments. Higher yields also make government debt increasingly attractive compared to riskier assets like stocks and crypto.
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