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Last week I wrote about Japan quietly pulling $30 billion out of the US Treasury market in a single quarter — and why that, not the Federal Reserve, is the real force keeping your mortgage rate elevated. I did not expect the story to get more dramatic within days of publishing it.
On July 31st, photographers at a Cabinet meeting at Camp David captured Treasury Secretary Scott Bessent’s notepad. Written at the top of his to-do list, in plain handwriting: “Buy Japanese Yen (JPY) $5-10 bil.”
That note — and what happened next — is the most honest signal Washington has sent in months about where mortgage rates are headed and why the people waiting for rates to drop are making a very expensive bet.
What Bessent Did and Why He Did It
By Friday, August 1st, the United States and Japan had jointly intervened in global currency markets to prop up the Japanese yen — the first time America has done this since the coordinated G7 action following Japan’s 2011 earthquake and tsunami. Bessent confirmed it in a statement: “Friday’s coordinated foreign exchange actions countered disorderly yen movements. We will not hesitate to participate in further joint intervention.”
Why would the US Treasury be spending billions of dollars buying Japanese yen? The answer connects directly to everything I wrote last week.
The yen has been collapsing — falling to 40-year lows against the dollar. When the yen is weak, Japan’s $1.2 trillion in US Treasury holdings becomes a problem. Here is why in plain terms: Japanese institutions hold those Treasuries in dollars. When the yen weakens dramatically, the pressure builds to sell those Treasuries, convert the dollars back to yen, and bring the money home. That selling floods the Treasury market, pushes yields higher, and — as I explained last week — pushes your mortgage rate higher.
Bessent intervened to stop that chain reaction before it started. A stronger yen reduces the pressure on Japanese institutions to sell Treasuries. Less Treasury selling means yields don’t spike. And yields not spiking means your mortgage rate doesn’t either.
It is a sensible move. But it is not a solution. It is a tourniquet.
The FIMA Facility — Explained Simply
Here is where it gets more interesting. Alongside the direct currency intervention, Japan also used something called the FIMA Repo Facility — a Federal Reserve lending tool that most Americans have never heard of and almost nobody in real estate is talking about.
FIMA stands for Foreign and International Monetary Authorities. Think of the FIMA Repo Facility as a borrowing window the Federal Reserve makes available to foreign central banks. Instead of a foreign government selling its US Treasuries outright — which floods the market and pushes rates up — it can temporarily pledge those Treasuries as collateral and borrow dollars from the Fed instead.
In plain English: Japan needed dollars to defend the yen. Instead of selling its US Treasury bonds — which would have pushed your mortgage rate higher — Japan borrowed against those bonds at the Fed’s window and got the dollars it needed without dumping bonds onto the market.
Bessent wants the Fed to expand this facility — currently capped at $60 billion per day per country — so Japan can defend the yen on a larger scale without ever having to sell a single Treasury bond. He went on social media to say he wants to see it “upsized.”
That request puts Warsh in an awkward position. Expanding the FIMA facility requires a vote of the Federal Open Market Committee — the same committee Warsh just led through a hawkish pivot on rates. Some analysts warn that expanding FIMA could backfire by inviting markets to test the commitment of both countries — and if that test comes, it might require exactly the large Treasury sales the facility was designed to prevent.
So yes, this is clever financial engineering. But clever is not the same as solved.
Is This Going to Protect Mortgage Rates?
Partially. Temporarily. And not without risk.
The intervention and the FIMA facility buy time. They reduce the immediate pressure from Japanese selling. They signal that Washington understands the problem and is willing to act. That matters.
What they do not do is change the underlying reality I described last week. Japan’s domestic interest rates are rising. Japanese government bonds are now paying yields not seen in nearly thirty years. The fundamental incentive for Japanese institutions to bring their money home — rather than leave it parked in US Treasuries — has not changed because Bessent bought some yen on a Friday afternoon.
The yen has been sliding against the dollar since 2012, and experts attribute its weakness to Japan’s monetary policy, debt concerns, and fiscal decisions that no amount of short-term intervention fully resolves. The $1.2 trillion in Japanese Treasury holdings does not disappear. The pressure to repatriate does not disappear. Washington has applied a bandage to a structural wound.
What I Am Seeing on the Ground Right Now
Here is where I want to connect the global financial story to what is actually happening in the Boston and Cape Cod markets this week — because the people who are “waiting for rates to come down” need to hear this directly.
Boston right now is remarkably quiet. I have not seen negotiating leverage like this for buyers in years. Properties that would have had five offers and a bidding war eighteen months ago are sitting. Sellers are negotiating. The market has corrected naturally — not because of interest rates, but because buyer psychology has shifted and the era of panic buying is over. For a prepared buyer in Boston, this moment is genuinely the best entry point in years. Not because rates are low — they are not — but because competition is low, sellers are motivated, and the negotiating table has tilted decisively in the buyer’s favor.
Cape Cod remains relatively stronger than Boston — the seasonal dynamics and finite supply of genuinely desirable waterfront and near-water properties provide a floor that urban discretionary markets do not have. But the statistics are beginning to soften. Days on market are extending. Price adjustments are becoming more common. The seller’s market the Cape experienced in 2021 and 2022 is not coming back anytime soon, and the buyers who move through this window deliberately — rather than waiting for conditions that may never arrive — will look back on this period as the right time to have acted.
The people waiting for rates to come down are making a bet that requires all of the following to go their way simultaneously: Warsh’s Fed pivoting to cuts, Japanese repatriation pressure easing, the FIMA intervention holding, energy prices declining, and inflation retreating to 2%. That is not one thing to hope for. That is five things — and right now, the evidence on all five is moving in the wrong direction.
The Bottom Line
Bessent’s notepad note is now famous. What it tells us is not that rates are about to fall. It tells us that the people responsible for managing the US financial system are in active crisis management mode, trying to prevent rates from rising further.
Active crisis management is not the same as problem solved. It is Washington doing its job — buying time, creating tools, coordinating with allies. But the underlying forces that are putting upward pressure on the 10-year Treasury yield and therefore on your mortgage rate are structural, not temporary.
The buyers who understand this — who stop waiting for a rescue that may not come and start making decisions based on the market that actually exists — are the ones who will look back on 2026 and feel good about what they did.
The ones who wait may be waiting a very long time.
508-420-8800 · thegriffin.co
Griffin Realty Group serves buyers and sellers across the Boston metro and Cape Cod luxury real estate markets.
