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MEDICAL FACILITIES CORP
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**TL;DR** — Over Jul 31–Aug 1 the U.S. and Japan ran their first coordinated FX intervention in over a decade. **The twist**: the Treasury sold euros, not dollars, to buy roughly $5–10B of yen. That strengthens the yen without weakening the dollar, so the U.S.–Japan rate gap that fuels the carry trade stays intact. **Our read:** it's a painkiller, not a cure — a floor you have to keep re-buying. And the euro Europe never agreed to spend is what funded it.
The headline everyone will run is "**U.S. props up the yen,**" and it misses the whole point. Conventional intervention to lift the yen means selling dollars. Bessent sold euros instead, which strengthens the yen without touching the dollar and keeps the U.S.–Japan interest-rate gap — the actual engine of the carry trade — intact. USD/JPY went from about 164 toward 157.40 at Friday's close (the strongest yen since early May), and 156.51 on Monday. Clever plumbing: a calmer yen and a firm dollar at once.
**Why we think the floor won't hold: the yen is weak for structural reasons**. The Bank of Japan is still at 1%, and Japan's debt and long-term yields are the real pressure. A $5–10B tap buys a week, maybe two. Without a real policy shift in Tokyo, **Washington has to do this again and again** — and a floor you keep re-buying isn't a floor. A 40-year Treasury veteran, Mark Sobel, said as much: supporting the yen is unwise unless it's part of a Japanese plan to fix what's driving the weakness. **We haven't seen that plan.**
**The part getting no attention:** to buy yen with euros, you sell euros — which pushes the euro down. So Europe's currency effectively funded a U.S.–Japan operation, **with no sign Europe signed off.** The ECB pointedly "declined to comment" while staying "in contact" with the Fed. Nobody asked Frankfurt first.
Full write-up, dated and sourced, with our read and the honest case against us: [thebullishedge.com/blog/euro-funded-yen-intervention](http://thebullishedge.com/blog/euro-funded-yen-intervention)

**TL;DR** — Over Jul 31–Aug 1 the U.S. and Japan ran their first coordinated FX intervention in over a decade. **The twist**: the Treasury sold euros, not dollars, to buy roughly $5–10B of yen. That strengthens the yen without weakening the dollar, so the U.S.–Japan rate gap that fuels the carry trade stays intact. **Our read:** it's a painkiller, not a cure — a floor you have to keep re-buying. And the euro Europe never agreed to spend is what funded it.
The headline everyone will run is "**U.S. props up the yen,**" and it misses the whole point. Conventional intervention to lift the yen means selling dollars. Bessent sold euros instead, which strengthens the yen without touching the dollar and keeps the U.S.–Japan interest-rate gap — the actual engine of the carry trade — intact. USD/JPY went from about 164 toward 157.40 at Friday's close (the strongest yen since early May), and 156.51 on Monday. Clever plumbing: a calmer yen and a firm dollar at once.
**Why we think the floor won't hold: the yen is weak for structural reasons**. The Bank of Japan is still at 1%, and Japan's debt and long-term yields are the real pressure. A $5–10B tap buys a week, maybe two. Without a real policy shift in Tokyo, **Washington has to do this again and again** — and a floor you keep re-buying isn't a floor. A 40-year Treasury veteran, Mark Sobel, said as much: supporting the yen is unwise unless it's part of a Japanese plan to fix what's driving the weakness. **We haven't seen that plan.**
**The part getting no attention:** to buy yen with euros, you sell euros — which pushes the euro down. So Europe's currency effectively funded a U.S.–Japan operation, **with no sign Europe signed off.** The ECB pointedly "declined to comment" while staying "in contact" with the Fed. Nobody asked Frankfurt first.
Full write-up, dated and sourced, with our read and the honest case against us: [thebullishedge.com/blog/euro-funded-yen-intervention](http://thebullishedge.com/blog/euro-funded-yen-intervention)