By Mike Lentz | The Mike Lentz Team - Keller Williams Realty
The mortgage rate spread is the gap between the 10-year treasury yield and mortgage rates, and it directly impacts what you pay each month. Right now, that spread has narrowed to near-normal levels, which is actually keeping rates from climbing higher. Understanding this spread helps explain why rates aren’t likely to drop dramatically anytime soon, but also why they’re better than they could be.
If you’re waiting for mortgage rates to fall a lot before you buy, you may be waiting a while. But before you get discouraged, there’s a number working behind the scenes that’s actually good for you right now. It’s called the mortgage rate spread, and once you understand it, you may see today’s rates in a whole new light.
The Pattern That’s Held for Over 50 Years
For starters, mortgage rates don’t move on their own. They tend to follow the 10-year treasury yield, a number tied to how investors feel about the economy.
It’s not an exact science, since plenty of other factors can move it day to day. But broadly speaking, when the economy looks strong, that yield tends to climb over time. When the outlook gets shaky, it tends to ease. For over 50 years, the 10-year treasury yield and mortgage rates have moved almost in lockstep:
The gap between them is called the mortgage rate spread. On average, that gap runs about 1.76 percentage points. And that spread impacts your mortgage rate. A wider spread tends to push mortgage rates higher than the treasury yield alone would suggest. A narrower spread keeps rates closer to the treasury yield.
Why the Mortgage Rate Spread Likely Won’t Drop Dramatically Anytime Soon
If you’re hoping mortgage rates will drop a lot, here’s the reality. They probably won’t, at least not anytime soon. One of the big reasons why comes down to that spread between the 10-year treasury yield and mortgage rates.
A few years ago, that gap got a lot wider as uncertainty in the economy pushed it as high as 3.19 points in 2023.
Now here’s the part worth noting. That gap has been narrowing lately. It’s down to about 2.01, just above the long-term average of 1.76:
When the gap is wide, there’s more room for rates to fall. But when it’s relatively normal, like it is now, there’s less wiggle room for rates to fall.
How the Mortgage Rate Spread Keeps Rates from Going Higher
Today’s mortgage rate is basically the treasury yield plus the spread. So when either one moves, your rate moves with it. Here are three different rates, all built off today’s 10-year treasury yield of 4.68%. They show you just how much the spread matters for your bottom line:
If the spread were still stretched out like it was in 2023, rates would be pushing close to 8% right now. That’s because the spread was over a full point wider than it is today.
But now, thanks to the spread narrowing recently, today’s rate sits around 6.69%. That’s the middle scenario in that visual. That’s a big difference in your monthly payment compared to what we could see if the spread was as big as it was in 2023. As Logan Mohtashami, Lead Analyst at HousingWire, put it:
“Of course, mortgage spreads being better in 2026 is the housing hero story of the year…”
Now compare that middle bar to the third one. If the spread were sitting at its exact long-term average, rates would be around 6.5%. That’s only about a quarter of a point away from where rates actually are today. That means most of the improvement in mortgage rates we should realistically expect from a shrinking spread has already happened.
In other words, the same narrowing spread that’s the reason rates aren’t close to 8% today is also a big reason why they’re not likely to fall a lot further.
What This Means for Buyers in Camden, Burlington, Gloucester, Salem, and Cumberland Counties
That’s the trade-off with a narrowing mortgage rate spread. Rates may not be where you want them, but they’re better than they could’ve been. If you’re trying to time your purchase around lower rates, you might be waiting longer than expected.
The key is understanding what you can control. You can’t control the treasury yield or the spread. But you can control when you start looking, how you prepare your finances, and whether you work with a lender who helps you understand your real monthly payment picture.
If you want to talk through what this means for your situation, schedule a quick call and we’ll walk through it together.
For the full picture in your county, see our county market reports for Camden, Burlington, Gloucester, Salem, and Cumberland counties.
