Why a Decision in Japan Can Affect Your Mortgage in Alaska

Most people think the Federal Reserve controls mortgage rates. The truth is far more interesting. In this article, we'll break down how a financial decision in Japan can ripple through global bond markets and ultimately affect the interest rate on a mortgage in Alaska. No Wall Street jargon. No economics degree required. Just a straightforward explanation of how the world's financial markets are more connected than most people realize.

Michael Foster

8/3/20263 min read

Why a Decision in Japan Can Affect Your Mortgage in Alaska

If you think mortgage rates are controlled by the Federal Reserve, you're only seeing a small piece of the picture.

Most people picture mortgage rates being decided inside one heavily air-conditioned building in Washington. A room full of economists debates interest rates, someone walks to a podium, and the fate of the housing market is supposedly decided before lunchtime.

It's a simple story.

It's also incomplete.

This week, one of the biggest reasons mortgage bonds improved had almost nothing to do with Washington. Instead, it started nearly 5,500 miles away in Japan before working its way through global bond markets and eventually reaching mortgage lenders here in the United States. It sounds unbelievable, but the world's financial markets are connected in ways that most people never see, which is exactly why the headlines often miss the real story.

Mortgage Rates Aren't Just About the Fed

One of the biggest misconceptions in real estate is that the Federal Reserve directly controls mortgage rates.

The Fed certainly influences the economy, but mortgage rates are primarily driven by the bond market. More specifically, they're heavily influenced by Mortgage Backed Securities and U.S. Treasury yields.

Think of it this way.

The Federal Reserve helps set the weather forecast.

The bond market decides whether it's actually going to rain.

Sometimes those two things line up perfectly.

Sometimes they don't.

The Water Tower Analogy

Imagine your neighborhood gets all of its water from one massive community water tower.

One morning your neighbor announces they're thinking about draining half of it because they suddenly need cash. Nobody knows exactly how bad that would be, but everyone agrees it's probably not going to end with a neighborhood barbecue.

Before they can open the valve, the city steps in and says, "Don't sell the water. Use it as collateral and borrow the money instead."

Problem solved.

That is remarkably similar to what happened in the Treasury market.

Japan has been dealing with a weakening currency. One option would have been selling large amounts of U.S. Treasury securities to raise dollars and strengthen the yen. The problem is that Japan owns an enormous amount of U.S. government debt, and a large-scale sale could have pushed Treasury prices lower and Treasury yields higher.

Since mortgage rates generally move in the same direction as Treasury yields, American homebuyers could have ended up paying the price for a financial problem happening on the other side of the Pacific.

What Actually Happened?

Instead of selling those Treasury holdings, Japan had another option.

Through the Federal Reserve's Foreign and International Monetary Authorities (FIMA) Repo Facility, eligible central banks can temporarily borrow U.S. dollars while using their Treasury holdings as collateral rather than selling them outright.

Think about it like this.

If you suddenly needed money, you could sell your truck tomorrow morning.

Or...

You could use the truck as collateral for a loan, keep ownership, and avoid flooding the used car market.

The second option creates a lot less chaos.

That's essentially what happened here.

By borrowing against Treasury holdings instead of selling them, Japan avoided putting unnecessary pressure on Treasury prices. That helped keep Treasury yields lower and removed one more headwind for mortgage rates.

Why Homebuyers Should Care

This is one of the biggest questions I get from clients.

"What did the Fed do today?"

The better question is:

"What did the bond market do today?"

Mortgage rates respond to far more than one Fed meeting. They react to inflation, employment reports, oil prices, government debt, wars, investor confidence, foreign currencies, and economic expectations from around the globe.

Sometimes Washington drives the conversation.

Sometimes Tokyo does.

Either way, mortgage rates are simply reflecting the world's biggest financial conversation.

The Bottom Line

The next time you hear someone say, "The Fed controls mortgage rates," you'll know the answer is much more complicated than that.

Mortgage rates are influenced by thousands of moving pieces that interact every single day. A jobs report in the United States, oil prices in the Middle East, inflation data in Europe, or currency decisions in Japan can all eventually work their way into the interest rate you receive on a mortgage.

That's why I spend so much time following the bond market instead of just waiting for the next Federal Reserve meeting. The headlines usually tell you what happened.

The bond market tells you why.

If you're thinking about buying a home, refinancing, or simply want someone who can explain the mortgage market without burying you in financial jargon, I'd love to help.

Visit https://mflender.com/alaska-mortgage-education and let's make sure you're making decisions based on facts instead of headlines.