Why Your Mortgage Rate Doesn’t Match the Fed’s Rate

If you watch the news, you’ve probably heard that the Federal Reserve (often called the Fed) raised or lowered its key interest rate. Then you look at mortgage rates and wonder why they didn’t move the same way—or sometimes they moved in the opposite direction. This confusion is normal, because the Fed doesn’t directly set mortgage rates. Instead, it influences them through a chain of events that affects the whole lending market. Understanding this connection can help you see why your monthly payment changes even when the Fed seems to do nothing at all.

The Fed controls one specific interest rate: the federal funds rate. This is the rate that banks charge each other for overnight loans. It’s a short-term rate, meaning it lasts only one day. The Fed raises or lowers this rate to either slow down or speed up the economy. When inflation is high, the Fed hikes the rate to make borrowing more expensive, which cools spending. When the economy is weak, it cuts the rate to encourage borrowing and growth.

Mortgage rates, on the other hand, are long-term rates. A typical home loan lasts 15 or 30 years. Lenders don’t base the interest they charge you on what banks charge each other overnight. Instead, they look at what investors demand for buying bonds that last many years. Specifically, mortgage rates are closely tied to the yield on 10-year U.S. Treasury notes. When investors buy these government bonds, they are essentially lending money to the government for a decade. The yield they get—a kind of interest rate—moves up and down based on expectations about the economy, inflation, and future Fed actions. Mortgage lenders then add a little extra on top of that yield to cover their costs and profit. So your mortgage rate is really a cousin of the 10-year Treasury yield, not a cousin of the federal funds rate.

When the Fed raises its short-term rate, it often signals that it expects inflation and economic growth to be stronger. Investors then worry that future inflation will eat away the value of their long-term bond interest payments. They demand higher yields to compensate, which pushes the 10-year Treasury yield up. That rise then pushes mortgage rates higher as well. But notice the Fed didn’t touch mortgage rates directly—it only moved its own overnight rate, and the bond market reacted. Sometimes the bond market has already guessed what the Fed will do weeks in advance. In that case, mortgage rates might have already gone up before the Fed even announced its decision. That’s why you might hear about mortgage rates dropping on a day the Fed raised its rate, if investors thought the raise would be bigger.

The opposite happens when the Fed cuts rates. If the Fed lowers the federal funds rate, it usually means the economy needs a boost. Investors may think inflation will stay low, so they accept lower yields on long-term bonds. That pulls the 10-year Treasury yield down, and mortgage rates follow. But if the Fed cuts rates because the economy is in big trouble, investors might get scared about a recession and flee to the safety of government bonds, driving yields even lower. That would make mortgage rates fall faster.

Another important piece is the Fed’s role in mortgage-backed securities (MBS). These are bundles of home loans that are sold to investors. The Fed sometimes buys or sells these securities to influence the mortgage market directly. For example, during the 2008 financial crisis and again in 2020, the Fed bought massive amounts of MBS to push mortgage rates down. That’s why rates hit record lows in 2020 and 2021. When the Fed stops buying or starts selling those securities, mortgage rates can climb again, even if the federal funds rate stays the same.

So as a homeowner or buyer, you should watch the 10-year Treasury yield more than the Fed’s announcements. Get into the habit of checking that number on financial news sites. If it’s rising, mortgage rates are likely rising too. If it’s falling, your loan officer may have good news. But remember that the Fed’s words still matter a lot. When Fed leaders talk about future plans, the bond market reacts instantly. A single sentence from the Fed chair can swing mortgage rates by a quarter of a point.

In short, the Fed’s overnight rate is the engine, but mortgage rates are the car’s speed many miles down the road. They are connected by investor expectations, inflation fears, and the overall health of the economy. You don’t need to be an economist to follow this. Just know that what the Fed does today often affects your mortgage tomorrow—but not in a simple one-to-one way. The best thing you can do is stay informed and talk to a loan officer who can explain how current market conditions apply to your specific situation. That way, when you hear news about the Fed, you’ll have a better idea of whether it’s time to lock a rate or wait for a better one.