Why Bond Yields Are Rising and What It Means for Stocks, Gold and the Dollar

There’s something quite strange happening in financial markets. The S&P 500 closed at a record on Monday, its first close above 7,800, and the Nasdaq made another record the same day. AI investment is booming. Yet the cost of borrowing money keeps climbing.

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The US 10-year Treasury yield touched 5.36% on Wednesday, its highest level since 2002, and the 30-year is pressing towards 5.7%. Those numbers feed into mortgages, business loans, government borrowing, stock valuations and even the price of gold. So what’s actually going on, and what could happen next?

Why are US Treasury yields rising?

A bond yield is the return investors get for lending to a government. Once bonds trade in the market, prices and yields move in opposite directions, so when bond prices fall, yields rise.

There isn’t just one reason for yields to go up. Sometimes the economy is strong and investors expect more growth. Sometimes inflation is proving harder to control. And sometimes investors simply want more compensation for lending long, because they’re worried about government borrowing or financial uncertainty. That last one matters most right now.

The Fed raised rates to 3.75% to 4.00% on 16 September. Since then, weak jobs data has cut the odds of another hike in October, and the 2-year yield has fallen about 11 basis points since the end of September. The 30-year has gone up over the same period. The Fed is no longer the whole story.

Look at what the 10-year is made of. On the Treasury’s own curves it has risen from 4.18% at the end of last year to 5.28%. The inflation-adjusted real yield rose from 1.93% to 2.92%, while the market’s inflation compensation barely moved. Investors aren’t panicking about inflation. They want to be paid more in real terms to lend for a decade.

The Fed’s own minutes, released on 7 October, point the same way. The staff review cited market commentary blaming geopolitics, the Treasury’s bond buyback programme and “competition for capital from heavy private debt issuance to finance the development of artificial intelligence (AI) infrastructure” for higher term premiums. The AI boom is competing with the government for the same pool of savings.

Why higher bond yields matter for ordinary people

This is where the bond market becomes relevant to practically everyone, because government bond yields feed into the rates banks charge households and businesses. The average US 30-year fixed mortgage was 7.28% in the week of 1 October, according to Freddie Mac. In the UK, where the 30-year gilt yield has pushed above 6%, its highest since 1998, the average five-year fix reached 6.00% on 5 October, according to Moneyfacts.

Take a £300,000 repayment mortgage over 25 years. At 4% interest the monthly repayment is about £1,584. At 6% it rises to roughly £1,933, which is almost £350 more every month.

For a business, higher financing costs mean less money for hiring and investment. For governments, refinancing old debt gets more expensive. None of this happens overnight, and mortgage pricing depends on more than bond yields alone, but over time a higher cost of capital weighs on growth.

Why are stocks hitting record highs if borrowing costs are so high?

This is one of the biggest contradictions in markets right now, and it isn’t necessarily irrational. Share prices reflect expected profits, so if investors believe businesses will earn significantly more, as many do with AI, stocks can rise even with rates elevated.

But higher bond yields also raise the return investors demand from shares, which pressures valuations, especially for companies whose profits sit years in the future. The Fed is relaxed about it for now: “many participants” said in the minutes that financial conditions still looked supportive of growth despite higher long-term yields, pointing to strong equity prices and narrow credit spreads.

For the Nasdaq, the question is whether earnings growth can keep justifying elevated valuations. For the S&P 500, it’s whether the rally broadens beyond a handful of leaders. The Russell 2000 of smaller companies is the most exposed to borrowing costs, and it fell 1.3% on Wednesday as yields hit their highs. My concern isn’t that stocks have to collapse. It’s whether earnings can keep up with an increasingly expensive cost of money.

What do rising bond yields mean for gold?

Gold is where traders most often oversimplify the relationship. You’ll hear that gold rises when inflation rises, but gold doesn’t pay interest. When investors can earn a substantial return from government bonds after inflation, holding gold costs more in opportunity terms. That’s why real yields matter.

With the US 10-year real yield near 2.9% and the dollar close to its strongest since May 2025, gold has struggled. It touched about $4,090 on 7 October, a two-month low, well below the levels above $5,000 it reached earlier in the year. But gold can also benefit when investors worry about government finances or the long-term purchasing power of currencies, and China’s central bank added gold for a 23rd straight month in September. So gold can struggle early in a bond-market selloff, then recover if the concern shifts towards financial-system risk.

My gold outlook: in the short term I’m cautious while real yields stay elevated and the dollar stays firm. Over the medium term, gold gets more interesting if real yields retreat or the dollar loses momentum. Longer term, government financing concerns and reserve diversification could stay supportive. But I want the market to confirm it, because a bullish macro story isn’t enough on its own to justify a trade.

What about the US dollar?

Higher US yields can attract international capital and support the dollar, but currencies are relative. If US data weakens while Europe deteriorates even faster, the dollar can still strengthen against the euro, and that’s roughly what’s happening, with French budget worries holding the euro near its lowest since May 2025. I’ve covered the other side of this in why the dollar can fall when US bond yields rise.

And if investors start worrying about US fiscal credibility, higher Treasury yields may not lift the dollar at all. The signal I’m watching is long-term yields rising while the dollar weakens. If that persists, investors are demanding more to hold US assets rather than responding to growth, and that’s a very different environment.

Market outlook: what happens next?

Here’s how I’m approaching the major markets. These are conditional views, not guaranteed outcomes.

Three developments matter most to me. First, whether real yields keep climbing, which would keep pressure on gold and equity valuations. Second, whether earnings and credit stay resilient, because then stocks can keep absorbing high yields. Third, whether the dollar starts behaving differently from Treasury yields, which would say something important about how investors see US risk.

There’s one encouraging sign. The Treasury sold $39 billion of 10-year notes on 7 October at 5.30%, the highest 10-year auction yield since 2000, and demand from outside the dealer community was strong. Buyers are there. They just want paying.

The KenMacro view

Too many people watch the stock market without paying attention to the price of money. The Nasdaq making another record is exciting. A 30-year government bond yielding close to 5.7% gets far less attention, but it can shape far more of what happens next.

I’m not forecasting an inevitable crash. When borrowing costs are this high, we need to understand why, which assets are most exposed and what would change the direction. That’s where macro earns its keep: not predicting every candle, but understanding what has changed, what’s already priced and what evidence we need before taking a position.

Macro gives us the reason. Technicals give us the execution.

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Ken Chigbo is the founder of KenMacro and a macro trader who covers economic data, central banks, rates, currencies and commodities. About Ken.

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