The global bond sell-off is likely to continue in the near term, with elevated government deficits, rising public debt, heavy borrowing for artificial intelligence infrastructure and expectations of tighter monetary policy keeping long-term bond yields under pressure. An ICICI Bank Research report said yields could rise further before potentially peaking in early 2027, although easing oil prices and slower AI-related borrowing could eventually allow bond markets to stabilise.
Why are global bond yields rising?
The recent weakness in global bonds is being driven by a combination of structural and cyclical factors. Government bond yields have climbed sharply across major economies, including the US, Germany, France, the UK and Japan.
The US 10-year Treasury yield reached around 5.3% in late September and early October, its highest level since 2002. Yields have also moved to multi-decade highs in several European and Asian markets.
Bond prices and yields move in opposite directions. When investors sell existing bonds, their prices decline and their yields rise. Higher yields then increase the cost of borrowing for governments and companies, creating wider implications for financial markets.
Rising government debt is a key concern
One of the biggest structural drivers behind the global bond sell-off is the scale of government borrowing.
According to the ICICI Bank Research report, the global fiscal deficit is projected at around 5.2% of GDP in 2026, approximately 170 basis points above the pre-pandemic level. Global public debt is also expected to exceed global GDP by 2030.
For bond investors, the concern is straightforward. Governments need to issue more debt to finance deficits, while investors may demand higher yields to compensate for inflation, fiscal risks and the increased supply of bonds.
Higher yields also make existing government debt more expensive to service. This can create a difficult cycle in which rising interest costs add to fiscal pressure, potentially requiring governments to borrow even more.
Ageing populations in several developed economies are another long-term challenge, as governments face increasing spending requirements for pensions and healthcare.
How is AI adding pressure to the bond market?
Artificial intelligence is creating a new source of demand for long-term capital.
Technology companies and hyperscalers are investing heavily in data centres, computing capacity, semiconductor infrastructure and electricity-related projects. While some of this spending is being funded through cash flows and equity, debt is becoming an increasingly important source of financing.
The ICICI Bank report estimates that AI-related companies could raise around $500 billion through bonds in 2027. Hyperscalers have already raised about $220 billion through debt instruments in 2026, according to the report.
This creates what analysts describe as “reverse crowding out”. In simple terms, governments and private companies are competing for the same pool of long-term capital. If technology companies issue large amounts of long-duration debt, investors may demand higher yields before committing money to government bonds.
The Reserve Bank of Australia has also highlighted the growing role of debt financing in the AI investment boom and noted that increasing funding needs could make more investors and financial institutions exposed to the sector.
What does the bond sell-off mean for Indian investors?
The developments in global bond markets matter to Indian investors because the US Treasury market plays an important role in global asset allocation.
When US yields rise substantially, global investors may find dollar-denominated government securities more attractive. This can influence capital flows into emerging markets, including India.
Higher global yields can also affect Indian bond yields, the rupee and the cost of capital for companies. The impact is not automatic, however. India’s domestic inflation, economic growth, fiscal position, RBI policy and foreign investor demand will also influence local markets.
For Indian investors holding international funds or global fixed-income assets, currency movements become another factor to consider. A stronger US dollar can affect rupee returns even when the underlying foreign asset performs differently.
What could make the bond sell-off ease?
The current trend is not necessarily permanent. The ICICI Bank report expects yields could potentially peak in early 2027 before consolidating if some of the underlying pressures ease.
Several developments could help stabilise bond markets:
- A sustained decline in crude oil prices could reduce inflation concerns.
- A resolution or easing of geopolitical tensions could reduce energy-market uncertainty.
- AI companies could gradually rely more on operating cash flows as existing investments begin generating revenue.
- Lower expectations for additional monetary tightening could reduce upward pressure on yields.
However, these outcomes depend on how economic and geopolitical conditions develop.
Opportunities and risks for investors
Higher bond yields can be uncomfortable for investors who already hold long-duration bonds because falling bond prices can reduce portfolio values in the short term.
At the same time, higher yields can improve the return potential available from newly issued bonds and fixed-income instruments. Investors with a long-term horizon may therefore see a different picture from those concerned about short-term mark-to-market volatility.
The bigger risk is that yields remain elevated for longer than markets expect. That could increase borrowing costs for governments and companies, pressure highly leveraged businesses and influence equity valuations.
For Indian investors, it is therefore important to watch US Treasury yields, crude oil prices, global inflation, central bank policy, foreign portfolio flows and the rupee rather than viewing the global bond sell-off in isolation.
Conclusion
The global bond sell-off is being driven by more than short-term market sentiment. High fiscal deficits, rising government debt and the growing use of debt to finance AI infrastructure are creating sustained demand for capital and keeping long-term yields elevated.
The near-term outlook remains challenging, with the ICICI Bank report suggesting that yields could rise further before potentially peaking in early 2027. For Indian investors, the key is to monitor how global bond yields influence domestic interest rates, currency movements, capital flows and asset valuations. A combination of lower oil prices, easing geopolitical risks and slower AI-related borrowing could eventually help markets stabilise.
Frequently Asked Questions
1. What is causing the global bond sell-off?
The global bond sell-off is being driven by several factors, including high government deficits, rising public debt, inflation concerns, elevated oil prices, tighter monetary policy expectations and increased corporate borrowing for AI infrastructure. These factors can push investors to demand higher yields, resulting in lower bond prices.
2. Why are global bond yields rising?
Global bond yields are rising because governments are issuing large amounts of debt while investors are demanding higher compensation for inflation, fiscal and interest-rate risks. Strong economic activity and expectations of tighter monetary policy are also contributing to higher yields in major markets.
3. What is the latest US 10-year Treasury yield?
The US 10-year Treasury yield rose to around 5.3% in late September and early October 2026, its highest level since 2002, according to the ICICI Bank Research report. The increase reflects concerns around inflation, fiscal deficits, borrowing requirements and global demand for long-term capital.
4. How is AI contributing to the bond sell-off?
AI companies are borrowing heavily to finance data centres, computing infrastructure, power capacity and other projects. The ICICI Bank report estimates that AI-related companies could raise about $500 billion through bonds in 2027. Such borrowing competes with government issuers for long-term capital and can contribute to higher yields.
5. What does “reverse crowding out” mean in bond markets?
Reverse crowding out describes a situation where private companies, particularly AI-related businesses, borrow heavily from long-term capital markets and compete with governments for investor funds. If private-sector demand for capital rises significantly, governments may need to offer higher bond yields to attract investors.
6. How do higher global bond yields affect India?
Higher global bond yields can influence Indian markets through foreign capital flows, currency movements and domestic borrowing costs. US Treasury yields are particularly important because global investors compare returns across countries. However, India’s own inflation, growth, fiscal conditions and RBI policy also determine domestic bond yields.
7. Are higher bond yields good or bad for investors?
The answer depends on the investor’s position and investment horizon. Rising yields can reduce the market value of existing long-duration bonds, but they can also provide more attractive yields for investors buying newly issued bonds. Therefore, the impact differs between existing bondholders and new investors.
8. Could the global bond sell-off continue into 2027?
The ICICI Bank Research report expects the sell-off could continue in the near term, with yields potentially rising further before peaking in early 2027. It also expects consolidation could follow if oil prices ease and AI-related borrowing moderates. This remains an outlook rather than a certainty.
9. What could cause global bond yields to fall?
Bond yields could ease if inflation pressures decline, oil prices fall, geopolitical tensions reduce, central banks become less hawkish or demand for government bonds improves. A moderation in AI-related debt issuance could also reduce competition for long-term capital.
10. What should Indian investors watch amid the global bond sell-off?
Indian investors should monitor US Treasury yields, crude oil prices, global inflation, central bank decisions, the rupee, foreign portfolio flows and Indian government bond yields. These indicators can provide useful context for understanding changes in Indian equity, debt and currency markets.
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Parvati Rai is the Vice President of the Research team at Equentis. She has over 15 years of equity-research and strategy-consulting experience. A specialist in deep-dive valuations, financial modelling, and forecasting, she has built research desks from the ground up, by steering buy-side, sell-side, and independent coverage across sectors. When she isn’t fine-tuning models, Parvati unwinds on nature treks and mentors aspiring analysts.
