What are the key takeaways from this Odd Lots episode?

Key insights include: **Yen Intervention Mechanics:** The US sold euros — not dollars — to support the yen, a deliberate signal that this was a view on yen weakness rather than dollar strength. The bulk of actual intervention volume came from Japan's Ministry of Finance in dollar-yen. The euro-yen rate check created market confusion but served a strategic communication purpose.; **FIMA Repo Facility:** The Fed's Foreign and International Monetary Authority repo facility lets central banks pledge treasuries as collateral for dollars, avoiding forced bond sales into open markets. Japan holding legacy bonds with high coupons can cover FIMA's above-market rate from coupon income, making it economically viable and preserving flexibility to sell treasuries with a lag.; **East Asian Currency Paradox:** Korea, Taiwan, and Japan are running record current account surpluses — Korea's projected to reach $300–400 billion, Taiwan's near 30% of GDP — yet their currencies are at historic lows. Financial outflows, pension fund behavior, and hedging dynamics are overriding fundamental trade balances, pulling currencies far below purchasing power parity levels.

What did Brad Setser discuss on Odd Lots?

Brad Setser, senior fellow at the Council on Foreign Relations, analyzes the US-Japan coordinated yen intervention of 2024, explaining why Treasury Secretary Bessent sold euros rather than dollars, how the Fed's FIMA repo facility was deployed, and whether the intervention can sustainably defend the yen near the 160 level. Key topics include: **Yen Intervention Mechanics:** The US sold euros — not dollars — to support the yen, a deliberate signal that this was a view on yen weakness rather than dollar strength. The bulk of actual intervention volume came from Japan's Ministry of Finance in dollar-yen. The euro-yen rate check created market confusion but served a strategic communication purpose.; **FIMA Repo Facility:** The Fed's Foreign and International Monetary Authority repo facility lets central banks pledge treasuries as collateral for dollars, avoiding forced bond sales into open markets. Japan holding legacy bonds with high coupons can cover FIMA's above-market rate from coupon income, making it economically viable and preserving flexibility to sell treasuries with a lag..

How long is this episode of Odd Lots?

This episode is 42 minutes long. SignalCast provides an AI-generated summary so you can get the key insights in about 3 minutes.

Odd Lots

Brad Setser on the US's Unusual Japanese Yen Intervention

August 6, 2026

42 min episode · 2 min read

Brad Setser

Episode

42 min

Read time

2 min

Topics

Investing, Fundraising & VC, Sales & Revenue

AI-Generated Summary

Published Aug 6, 2026

Key Takeaways

✓Yen Intervention Mechanics: The US sold euros — not dollars — to support the yen, a deliberate signal that this was a view on yen weakness rather than dollar strength. The bulk of actual intervention volume came from Japan's Ministry of Finance in dollar-yen. The euro-yen rate check created market confusion but served a strategic communication purpose.
✓FIMA Repo Facility: The Fed's Foreign and International Monetary Authority repo facility lets central banks pledge treasuries as collateral for dollars, avoiding forced bond sales into open markets. Japan holding legacy bonds with high coupons can cover FIMA's above-market rate from coupon income, making it economically viable and preserving flexibility to sell treasuries with a lag.
✓East Asian Currency Paradox: Korea, Taiwan, and Japan are running record current account surpluses — Korea's projected to reach $300–400 billion, Taiwan's near 30% of GDP — yet their currencies are at historic lows. Financial outflows, pension fund behavior, and hedging dynamics are overriding fundamental trade balances, pulling currencies far below purchasing power parity levels.
✓Japan's Fiscal Position: Japan's primary budget balance — excluding interest payments — is now near zero or surplus, outperforming the US (running a 6% fiscal deficit), UK, and France. Net debt levels have been falling. If nominal rates converge with inflation and the primary balance holds, Japan's debt dynamics remain stable despite gross debt-to-GDP appearing alarming.
✓Intervention Success Conditions: The intervention holds if the Bank of Japan raises rates in September and continues hiking faster than the Fed from current levels — BOJ at 1% versus Fed at 3.25–3.5%. The MOF aims to reestablish trader fear around the 160 level, discouraging yen shorts near that threshold without committing to a hard defended ceiling.

What It Covers

Brad Setser, senior fellow at the Council on Foreign Relations, analyzes the US-Japan coordinated yen intervention of 2024, explaining why Treasury Secretary Bessent sold euros rather than dollars, how the Fed's FIMA repo facility was deployed, and whether the intervention can sustainably defend the yen near the 160 level.

Key Questions Answered

•Yen Intervention Mechanics: The US sold euros — not dollars — to support the yen, a deliberate signal that this was a view on yen weakness rather than dollar strength. The bulk of actual intervention volume came from Japan's Ministry of Finance in dollar-yen. The euro-yen rate check created market confusion but served a strategic communication purpose.
•FIMA Repo Facility: The Fed's Foreign and International Monetary Authority repo facility lets central banks pledge treasuries as collateral for dollars, avoiding forced bond sales into open markets. Japan holding legacy bonds with high coupons can cover FIMA's above-market rate from coupon income, making it economically viable and preserving flexibility to sell treasuries with a lag.
•East Asian Currency Paradox: Korea, Taiwan, and Japan are running record current account surpluses — Korea's projected to reach $300–400 billion, Taiwan's near 30% of GDP — yet their currencies are at historic lows. Financial outflows, pension fund behavior, and hedging dynamics are overriding fundamental trade balances, pulling currencies far below purchasing power parity levels.
•Japan's Fiscal Position: Japan's primary budget balance — excluding interest payments — is now near zero or surplus, outperforming the US (running a 6% fiscal deficit), UK, and France. Net debt levels have been falling. If nominal rates converge with inflation and the primary balance holds, Japan's debt dynamics remain stable despite gross debt-to-GDP appearing alarming.
•Intervention Success Conditions: The intervention holds if the Bank of Japan raises rates in September and continues hiking faster than the Fed from current levels — BOJ at 1% versus Fed at 3.25–3.5%. The MOF aims to reestablish trader fear around the 160 level, discouraging yen shorts near that threshold without committing to a hard defended ceiling.

Notable Moment

Setser points out that Japan's government — through its $1.2 trillion in reserves and $950 billion pension fund foreign assets — is the single largest beneficiary of yen weakness, yet almost none of those currency gains are repatriated, meaning the government's own behavior structurally suppresses the yen it is simultaneously trying to defend.

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Episode Transcript

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