Why Are Mortgage Rates Going Up Again When Everyone Said They Would Drop?
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If you feel like you were promised lower mortgage rates in 2026, you are not imagining it.
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There were plenty of forecasts calling for improvement.
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Then the bond market changed.
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Mortgage rates changed with it.
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I. LOOK AT HOW FAST THINGS MOVED
Freddie Mac’s weekly survey shows the average 30-year fixed mortgage at:
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6.66% on August 27.
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6.95% on September 17.
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7.28% on October 1.
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And 7.40% by October 8 and October 15.
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The average eased slightly to 7.32% on October 22.
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That is a major change in less than two months.
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For buyers, that can mean hundreds of dollars per month depending on the loan amount.
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II. MORTGAGE RATES FOLLOW THE BOND MARKET MORE THAN THE FED
This is probably the biggest misconception I hear.
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People assume:
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Fed raises rates = mortgage rates immediately go up.
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Fed cuts rates = mortgage rates immediately go down.
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It is not that simple.
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Thirty-year mortgages are long-term loans.
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They are much more closely influenced by longer-term bond yields — particularly the 10-year Treasury — and by what investors expect inflation and economic growth to look like in the future.
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That means the mortgage market can move before the Federal Reserve acts.
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MBA made this exact point after the September Fed meeting: longer-term rates had already incorporated expectations for Fed hikes, so mortgage rates did not simply jump because the Fed announced its decision.
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III. INFLATION IS THE REAL PROBLEM
Bond investors hate inflation.
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Why?
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Because if you lend money for ten years and inflation stays elevated, the dollars you get back are worth less.
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Investors therefore demand a higher return.
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Higher Treasury yields tend to create pressure on mortgage rates.
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MBA says inflation remains above the Federal Reserve’s 2% target and expects interest rates to stay higher for longer as policymakers continue trying to bring inflation down.
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That is one reason mortgage rates have not followed the simple downward path many people expected.
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IV. THE DEFICIT AND GLOBAL CAPITAL MATTER TOO
There is another issue that barely gets discussed outside financial markets.
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The United States needs enormous amounts of capital to finance government borrowing.
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If investors demand higher yields to buy Treasury debt, those higher yields can ripple into mortgages.
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MBA’s October outlook specifically pointed to persistent inflation, government deficits, debt and global demand for capital as reasons longer-term rates have moved higher.
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In other words:
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Your mortgage rate is being influenced by forces much bigger than the local housing market.
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V. SO WHAT SHOULD A BUYER DO?
Do not build your home search around a rate forecast.
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Build it around a payment.
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Know:
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What payment is comfortable?
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What happens if the rate moves another quarter-point?
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What seller credits are available?
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Can the seller buy down the rate?
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Can you adjust the purchase price or down payment?
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Would an ARM make sense for your situation?
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And most importantly:
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Does the transaction still work if rates do NOT fall soon?
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THE BOTTOM LINE
Mortgage rates did not rise because someone broke a promise.
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Forecasts changed because the economy changed.
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Inflation stayed elevated.
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The Federal Reserve tightened policy.
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Treasury yields moved higher.
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And bond investors demanded more return for lending money long term.
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That is why buyers should not wait for somebody on television to announce the “perfect time.”
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The better strategy is to understand what is driving mortgage rates, know the payment you can comfortably afford, and structure the transaction around the market that actually exists today.
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Mortgage rates in 2026 are being driven by inflation, Federal Reserve policy, 10-year Treasury yields, government borrowing and bond-market expectations rather than one simple Fed decision. California homebuyers trying to understand why mortgage rates increased should focus on the relationship between Treasury yields and mortgage-backed securities, seller concessions, rate buydowns, loan structure and monthly-payment affordability when evaluating homes in Orange County, Los Angeles, Riverside County, the Bay Area and other California housing markets.
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