The name is Bond. Treasury bond! The bond is back. And right now, Bond is having a rather consequential moment. The yield of 10-year US Treasuries, or US government bonds, has climbed to 5.18%, its highest since 2007, while the 30-year yield has touched 5.47%, a level not seen in 22 years. For most people outside financial markets, these may look like just two numbers on a screen, but they help set the price of money across the world. And when the world's benchmark bond starts offering investors a much higher return, the effects can travel from Washington to Mumbai, affecting the rupee, Indian government bonds and the RBI's room to manoeuvre.
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So, what exactly is a treasury bond?
Unlike its more popular namesake James Bond, this one does not carry a licence to kill. But it has the power to shake and stir whole economies and markets.
A US Treasury or government bond is a security through which the American government borrows money. An investor buying a 10-year Treasury is effectively lending money to the US government for a decade in return for interest -- the coupon rate -- and the repayment of principal when the bond matures.
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While coupon rate remains the same, the price of bonds keeps fluctuating in the market. A bond's yield is the total return rate, which combines the coupon rate (the fixed annual interest payments) and the profit or loss made when buying the bond above or below its original face value.
If the bond becomes cheaper, the yield rate goes up because the buyer pays less money for a bond. If the bond becomes more expensive, the yield rate goes down.
Why does everyone care about one country's government bonds? Because US Treasuries sit at the foundation of global financial pricing. It provides a reference point for investors deciding where to put their money. A higher Treasury yield therefore raises the return available on other relatively safe US investments. That changes the calculation for investors considering Indian bonds, equities and other emerging-market assets too.
An Indian bond, for instance, has to offer enough additional return over a US Treasury to compensate investors for the extra risks of holding an emerging-market asset, including currency risk.
The 10-year Treasury bond is a particularly important reference point because it captures what investors think about interest rates, inflation and economic conditions over a much longer horizon than the US Fed's policy rate does. Since prices and yields move in opposite directions, when the 10-year yield climbs above 5%, it means investors are demanding a higher return to buy and hold that debt.
The 10-year yield also feeds into longer-term borrowing costs around the world. Mortgages, corporate debt and other financial assets are priced, directly or indirectly, against benchmarks influenced by US Treasury yields.
So unlike James bond, this particular bond does not need to chase villains across continents to have global consequences. A few dozen basis points in the Treasury market can do the travelling for it.
Why are US treasury yields rising?
The easy explanation is that the US economy remains resilient. But that is only part of the story. Stronger-than-expected US business activity has made investors less confident that inflation will quickly return to the Federal Reserve's 2% target. A recent purchasing managers' survey showed prices paid by businesses rising at the fastest pace in almost four years. That pushed investors to increase bets on further Fed rate hikes.
Reuters reported on Thursday that futures were pricing a 66% probability of another hike in October, up from about 53% before the business survey.
This is significant for the 10-year treasuries because the yield reflects expectations about where short-term interest rates will be over many years. If investors think the Fed will have to keep rates higher for longer, the 10-year yield rises.
But the long end is responding to something more than the Fed. Investors are also demanding a bigger term premium, meaning extra compensation for locking money into a long-dated bond amid uncertainty about inflation, government borrowing and future interest rates. The US Treasury also has to finance enormous fiscal deficits, meaning a large amount of government debt has to be absorbed by investors.
There is competition for that capital from the private sector too. The huge investment in AI infrastructure has increased corporate borrowing requirements. A combination of inflation, hawkish central-bank signals, technology-sector funding needs and uncertainty around the US debt trajectory are factors keeping long-term yields elevated.
If the entire Treasury move were simply about stronger growth and higher expected Fed rates, the 2-year yield would be expected to respond more strongly because it is much more sensitive to near-term Fed expectations.
On Thursday, however, the 2-year yield actually fell while the 10-year and 30-year yields rose. The 2-year typically moves with expectations for Fed policy, whereas the long end has been under pressure from broader inflation and supply concerns. That makes the current episode partly a long-duration risk-premium story, rather than simply a story of stronger US growth.
The first Indian channel is the rupee
When US Treasury yields rise, the return investors can obtain from dollar assets rises too. An investor deciding between an Indian bond and a US Treasury therefore has to demand more compensation for taking Indian currency and emerging-market risk.
This does not mean money automatically leaves India whenever Treasury yields rise. India's domestic growth and other macro factors as well as the returns available on Indian assets still matter. But a higher US risk-free rate raises the hurdle that Indian assets have to clear.
The currency is where this pressure can become visible quickly. On Thursday, the rupee fell 22 paise to Rs 95.96 per dollar as rising crude prices, strong importer demand and higher global bond yields weighed on the currency. Traders also reported that the RBI was selling dollars through state-owned banks to prevent the rupee from weakening beyond Rs 96.
A weaker rupee is a bad thing for India which imports roughly 90% of its crude oil. Every dollar of oil therefore becomes more expensive in rupee terms when the currency weakens. And this is where the current situation becomes uncomfortable. Oil itself has been rising. So India can face both a higher dollar price for oil and a weaker rupee against the dollar. That increases the domestic cost of imported energy and can feed into inflation.
Indian government bonds face pressure
The next transmission channel is India's own bond market. Suppose a foreign investor can earn substantially more on a US Treasury. An Indian government bond has to offer sufficient additional yield to compensate for the fact that the investor is taking rupee and emerging-market risk.
The relationship is not mechanical, however. Indian bond yields are determined by India's inflation, growth, fiscal position, RBI policy and domestic demand for bonds. But the US Treasury yield is an important global reference rate. That pressure was visible immediately on Thursday. India's benchmark 10-year government bond yield jumped six basis points to 7.11%, its highest level since May 21, while the rupee weakened to Rs 95.96. The bond sell-off was attributed to the Treasury rout and the rise in oil prices, which together increased expectations of a more hawkish RBI.
Why does a higher Indian govt bond yield matter beyond bond traders? Because the government is a very large borrower. If the market demands a higher return on new government debt, the cost of refinancing existing debt and funding future borrowing gradually rises. Higher government borrowing costs can also establish a higher benchmark for corporate borrowers.
Less room for the RBI to cut rates
In normal circumstances, weaker inflation could give the RBI room to cut rates and support growth. But if a higher US yield is putting pressure on the rupee while higher oil prices are pushing up India's import bill, aggressive rate cuts become harder.
Cutting rates can make rupee assets relatively less attractive and potentially add pressure to the currency. A weaker rupee then raises the domestic cost of imported oil. If that starts feeding into inflation, the RBI has even less room to ease.
That is why markets have started pricing a higher repo rate. Traders are considering the possibility of the repo rate eventually moving from 5.75% towards 6%.
The RBI does not have to follow the Fed. But when the dollar is strengthening and imported inflation is rising, its freedom to pursue an independently easier monetary policy becomes narrower.
Impact on Indian stocks and companies
Higher Treasury yields also raise the global discount rate used to value risky assets. If investors can obtain 5%-plus from a US government bond, they may demand a higher return from equities to justify taking additional risk.
That can put pressure on expensive segments of the Indian stock market, particularly companies whose valuations depend heavily on profits expected many years into the future.
Companies can also face higher financing costs. This is especially relevant for firms that borrow overseas or refinance frequently. A higher global benchmark does not automatically translate one-for-one into Indian corporate borrowing rates, but it raises the overall cost of capital.
There is an offset, however. A resilient US economy can be positive for India if it sustains American demand for Indian goods and services. The impact therefore depends on why Treasury yields are rising.
The real concern for India
The 5% level itself is less important than what is causing yields to stay there. If US yields are high because American growth is strong, India can benefit through exports and global demand even as its financial markets face some pressure. The harder combination is high Treasury yields alongside higher oil prices, a weaker rupee and persistent inflation concerns.
The transmission is therefore fairly straightforward. Higher US yields raise the global return investors demand, that can pressure the rupee and Indian bonds, a weaker rupee makes imported oil more expensive, higher oil prices add to inflation, and higher bond yields then make it harder for the RBI to ease policy. If the RBI cuts rate, the differential between Indian and the US rates narrows which discourages foreign investors which weighs on the rupee.
That is how a move in a US Treasury yield, which at first appears to be a problem for American bond investors, can eventually become a problem for India's currency, borrowing costs, govt finances and monetary policy as well as stocks and corporates.
