May 31, 2026

Why Mortgage Rates Could Stay Under Pressure as US 10-Year Treasury Yields Reach 4.5%

Written by Kerra Bolton
|
Edited by Angela Corry
Discover mortgage couple, shot of a young couple using a digital tablet at home to access mortgage

The bond market might sound like Wall Street jargon, but homebuyers are already feeling the impact where it hurts: mortgage rates.

The Federal Reserve reported the 10-year Treasury yield has climbed to 4.5% on May 28, pushing mortgage rates higher again. This increase could leave homebuyers and homeowners hoping to refinance with less time to lock in today’s borrowing costs before rates move up again.

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The bond market might sound far removed from everyday homebuyers, but it has a direct impact on mortgage costs.

“The most important number for the mortgage market, which most buyers don't know about, is the 10-year Treasury yield,” said Sain Rhodes, a real estate professional at Clever Offers

He explained, “As soon as this yield starts going up, mortgage rates go up too — not eventually, but right away.”

Rhodes said higher Treasury yields can also raise borrowing costs for home equity lines, car loans and credit cards, putting additional pressure on household budgets.

Some housing experts warn the recent jump in Treasury yields reflects a broader fear in the market: inflation may stay elevated even as economic growth slows.

“It is becoming clear that we are not heading into an era of structurally low interest rates but that we are entering an era of relatively high-interest rates,” said Ksenia Levina, founder of Vienna Property Investment.

Jon Brooks, co-founder of Momentum Realty, said inflation could remain “stickier than expected” because of geopolitical uncertainty, elevated government debt and volatility in energy markets and global trade.

That environment could make it harder for mortgage rates to fall quickly, even if the Federal Reserve eventually cuts interest rates later this year.

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Higher mortgage rates can quickly change what buyers can afford, even if their income stays the same. Freddie Mac’s latest average for a 30-year fixed mortgage is 6.53%.

“A 1% increase in mortgage rates can reduce purchasing power by 10%,” Brooks said. 

That means some buyers may need to lower their budget or settle for a smaller home than they could have afforded when rates were lower. 

“Housing affordability was already stretched before yields moved higher,” Brooks said. “Even a modest increase in rates can significantly impact monthly payments, which reduces purchasing power for buyers.”

Higher mortgage rates can also make refinancing less attractive for homeowners who already have lower existing mortgage rates.

Housing experts say that anyone considering a refinance may need to compare the new monthly payment, closing costs and break-even timeline instead of assuming a refinance will automatically save money.

“Consumers who are prepared to purchase and are simply waiting for a substantial drop in rates to act quickly may very well find themselves waiting on higher rates than those currently available,” Levina said. 

Brooks said buyers already under contract or close to applying for a mortgage may want to ask lenders about locking a rate before another move higher.

“Buyers and homeowners who are comfortable with today’s payment environment may prefer locking sooner rather than trying to perfectly time future Federal Reserve policy decisions or bond market reactions,” he said. 

The Fed may get the headlines, but the bond market is already moving. For buyers and refinancers, the practical takeaway is simple: watch the 10-year Treasury, get multiple lender quotes and ask about locking a rate before volatility turns into a higher monthly payment.

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This article was provided by MoneyLion.com for informational purposes only and should not be construed as financial, legal or tax advice.

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Written by
Kerra Bolton
Edited by
Angela Corry
Angela is a seasoned personal finance expert and editorial leader with a deep understanding of economic trends, government programs, and financial markets. As Managing Editor she is responsible for assigning and editing articles from a talented team of freelance writers, ensuring accuracy and insight for readers seeking trusted financial guidance. Before joining GOBankingRates in 2021, Angela served as Director of Content at TheCelebrityCafe.com, where she spearheaded a global team based in Tokyo and developed innovative content strategies. Angela’s editorial expertise was further honed as Senior Managing Editor at Inquisitr.com, where she managed a team of over 100 freelance writers and editors, overseeing breaking news and daily coverage across a wide range of topics—always with an eye for the financial implications of current events. Angela has been an active member of the Society of Professional Journalists (SPJ) for over 20 years and is a sought-after guest speaker at universities.