Mortgage rates spiked sharply this week, with the 30-year fixed rate hitting 7.45% on Thursday. The jump follows surging Treasury yields and heightened inflation concerns, pushing borrowing costs to their highest level since April 2024 and threatening to price millions of potential homebuyers out of the market.
Homebuyers faced another abrupt jolt to borrowing costs on Thursday as mortgage rates surged across the country. The average rate on the 30-year fixed mortgage climbed to 7.45%, according to a daily report by Mortgage News Daily, which surveys lenders and brokers. That spike marks the highest level recorded since April 2024 and caps a volatile stretch for the housing market.
The sudden upward movement caught many observers off guard. While Freddie Mac reported an average rate of 7.03% on Thursday morning based on weekly submitted applications—its highest mark since January 2025—that figure reflected a lagging weekly average. As bond yields accelerated later in the day, Mortgage News Daily re-surveyed lenders and found rates had jumped another 19 basis points from the previous day’s 7.26%.
Bond Yields Surge and Inflation Fears Mount
Mortgage rates do not move in lockstep with the Federal Reserve’s benchmark short-term rate, which was raised last week to a range of 3.75% to 4%. Instead, they track closely with the yield on the 10-year U.S. Treasury note. On Wednesday, a key Treasury rate hit its highest level in nearly two decades as bond investors reacted to mounting economic pressures.
Bond investors are growing increasingly anxious about inflation, driven in part by higher oil prices and ongoing geopolitical conflict. The conflict in the Middle East has triggered an energy shock that lifted fuel costs, with the average price of a gallon of gas in the U.S. reaching $4.48, according to AAA data cited by ABC News. Consumer prices overall rose at an annual rate of 3.4% in August, remaining well above the Federal Reserve’s 2% target.
Matthew Graham, chief operating officer at Mortgage News Daily, noted that market volatility has defied simple explanations. As Graham put it, bond selloffs late in the week lacked any obvious single catalyst.
No obvious catalyst. Explanations require concocting narratives and then defending them. There’s no objective, irrefutable way to connect the dots today. Sellers decided to sell…
Graham, Mortgage News Daily
Could 8% Mortgage Rates Happen?
With borrowing costs pushing past 7%, industry analysts are confronting the uncomfortable question of whether rates could climb all the way to 8% before the year is out. Economists agree the threshold is possible, though not guaranteed.
Mortgage rates of 8% are not an impossibility,
Lisa Sturtevant, chief economist at Bright MLS, told MarketWatch in coverage highlighted by Yahoo. Sturtevant pointed to ongoing economic uncertainty, inflation risks, and the conflict in the Middle East as primary drivers.
For the 30-year fixed rate to reach 8%, the spread between the 10-year Treasury yield and mortgage rates would need to widen. Jake Krimmel, a senior economist at Realtor.com, noted that the spread currently runs close to 200 basis points, compared to roughly 250 basis points in May 2025 and about 300 basis points in the summer of 2023.
If something in the mortgage-backed securities market causes the spread between the 10-year Treasury yield and mortgage rates to widen, that would increase the chance of reaching 8%, Krimmel explained
Even so, industry leaders urge caution. Jason Madiedo, CEO and co-founder of SimplyPMG, emphasized that potential outcomes should not be confused with certainties.
Buyer Lock-In and Affordability Pressures
The rapid climb in borrowing costs continues to squeeze prospective buyers and freeze inventory. Nearly 70% of U.S. households cannot afford a new home at a 7% mortgage rate given a median home price of $413,595, according to Na Zhao, a principal economist at the National Association of Home Builders.
Zhao calculated that if the 30-year rate moves from 7% to 7.5%, approximately 2.1 million households will be priced out of the market entirely. Pushing the rate to 8% would price out an additional 2.2 million buyers, bringing the total to 4.3 million households.
Meanwhile, the broader market remains caught in the lock-in
effect. Current homeowners who secured much lower interest rates in years past remain reluctant to sell, knowing any new purchase would require taking on a significantly higher monthly payment.
Desperate for relief, some house hunters are turning to riskier financial products. The share of buyers applying for adjustable-rate mortgages rose to 9.8% during the week of September 18, according to data from the Mortgage Bankers Association—marking the highest share recorded since November 2023.
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