Why Mortgage Rates Aren't Falling Fast on the MS Gulf Coast

Quick Answer: Mortgage rates track the 10-year treasury yield plus a gap called the spread. That spread has narrowed from over 3 points in 2023 to about 2.01 points now, which is why today's rate sits around 6.69% instead of closer to 8%. But that spread is already close to its long-term average of 1.76 points, so most of the relief it can offer has already happened. If you're on the Mississippi Gulf Coast waiting for rates to drop a lot more, you may be waiting on something that isn't coming soon.

The Pattern That's Held for Over 50 Years

Mortgage rates don't set themselves. They follow the 10-year treasury yield, a number that moves with how investors feel about the economy. When the outlook looks strong, that yield tends to climb. When it looks shaky, the yield tends to ease. For more than 50 years, mortgage rates and the 10-year yield have moved almost in step with each other.

The gap between the two is called the spread. On average, that gap runs about 1.76 percentage points. A wider spread pushes your mortgage rate higher than the treasury yield alone would suggest. A narrower spread keeps it closer to the yield.

Why Rates Probably Won't Drop a Lot Soon

Back in 2023, the spread stretched out to as much as 3.19 points as uncertainty in the economy grew. That's part of why rates got so high. Lately, that gap has narrowed to about 2.01 points, just above the long-term average of 1.76.

Here's what that means for you. When the spread is wide, there's room for it to shrink and pull rates down. When the spread is close to normal, like it is now, there's a lot less room left to give.

What This Looks Like in Real Numbers

Today's 10-year treasury yield sits around 4.68%. Add the spread, and you get today's mortgage rate. If the spread were still as wide as it was in 2023, rates would be pushing close to 8% right now. Instead, thanks to the spread narrowing, the average rate sits closer to 6.69%.

Compare that to what happens if the spread shrinks all the way to its long-term average of 1.76. That would put rates around 6.5%, only about a quarter point below where they are today. Most of the improvement a shrinking spread can offer has already shown up in your rate.

What That Means for a Gulf Coast Buyer

Take a $275,000 home on the coast, a typical price point in Gulfport, Ocean Springs, or Biloxi right now, with 20% down. At 8%, the principal and interest payment runs close to $1,614 a month. At today's 6.69%, that drops to about $1,418. If the spread fell all the way to its long-term average and rates hit 6.5%, the payment would land around $1,391, only about $27 less than today.

That's the honest math. The big improvement already happened. What's left to gain from here is modest, and it isn't guaranteed on any timeline.

Why Waiting Isn't the Free Move It Feels Like

If you're holding off for a rate in the 5s, the spread data doesn't support betting on that arriving soon. Meanwhile, home prices on the coast have kept climbing, and waiting doesn't freeze those numbers in place. A local lender can run your specific numbers and show you what buying now versus waiting actually costs, side by side, instead of guessing.

By the Numbers

10-year treasury yield: 4.68%
Current average 30-year mortgage rate: 6.69%
Current spread: 2.01 percentage points
Long-term average spread: 1.76 percentage points
2023 peak spread: 3.19 percentage points
Rate if spread matched 2023 peak: about 8%
Rate if spread matched long-term average: about 6.5%
Monthly payment difference between today's rate and the long-term average scenario, on a $275,000 home with 20% down: about $27

The Bottom Line

Rates aren't where anyone wants them, but they're better than they could be, and the room left for them to drop further is small. If you want to know what today's rate actually means for your monthly payment, a local lender can walk you through the real numbers.

Frequently Asked Questions

Will mortgage rates drop to 5% anytime soon?
It isn't likely in the near term. The spread between the 10-year treasury yield and mortgage rates is already close to its long-term average, so there isn't much room left for rates to fall unless the treasury yield itself drops significantly.

Why are mortgage rates so much higher than the 10-year treasury yield?
Lenders add a spread on top of the treasury yield to cover their costs and the risk of the loan. That spread has run about 1.76 percentage points on average over the long term, though it's been wider in recent years.

Is it worth waiting to buy a home on the Gulf Coast until rates drop more?
For most buyers, the math doesn't favor waiting. The spread data shows only modest room left for rates to fall, while home prices on the coast have continued to rise, which can offset any small rate improvement.

What's the difference between the 10-year treasury yield and my mortgage rate?
The treasury yield is what the government pays to borrow money for 10 years. Your mortgage rate is that yield plus the spread lenders charge. Add the two together and you get close to today's average rate.

How can I find out what my actual mortgage payment would be right now?
A local lender can run your specific credit, down payment, and loan amount to give you a real number, not just an average.

Sources

Advisor Perspectives — https://www.advisorperspectives.com/dshort/updates/2026/08/14/treasury-yields-snapshot-august-14-2026 — 10-year treasury yield, August 2026
Yahoo Finance — https://finance.yahoo.com/personal-finance/mortgages/article/when-will-mortgage-rates-go-down-as-the-selling-season-closes-not-soon-enough-190610094.html — Current mortgage rate and spread, August 2026
StreetStats — https://streetstats.finance/rates/mortgages — 30-year mortgage rate and spread vs. 10-year treasury yield
HousingWire — https://www.housingwire.com/articles/the-housing-market-defies-expectations-even-with-higher-rates/ — Logan Mohtashami commentary on mortgage spreads

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Randy Richardson | Broker Associate
The 4th Right Team | Century 21 J. Carter & Company
Office: (228) 731-3881 | Cell: (228) 547-9999
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