Elizabeth WarrenScott BessentU.S. Department of the TreasuryBank of KoreaFederal ReserveBank of Japan

Bessent defends yen intervention, warns disorderly yen could raise US rates; Japan spent record $96.5 billion

U.S. Treasury Secretary Scott Bessent defended Japan's record $96.5 billion yen intervention, warning that disorderly yen markets could lead to higher U.S. interest rates. He emphasized the importance of a stable yen for global markets and U.S. families, as Japan seeks to stabilize its currency near four-decade lows.

Bloomberg.com Bloomberg.com+1 source28 August 2026 · 21:38 UTC
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U.S. Treasury Secretary Scott Bessent defended Japan's unprecedented $96.5 billion intervention to stabilize the yen, which has plummeted to four-decade lows. He warned that extreme volatility in the yen could lead to higher U.S. interest rates, affecting American families and businesses.

Japanese authorities spent a record 15.4 trillion yen in foreign exchange markets to support the local currency, reflecting Tokyo's determination to combat currency weakness that threatens profits for major exporters and raises import costs, particularly for energy.

Bessent noted, “Disorderly yen markets can trigger forced unwinds, which could destabilize global markets and ultimately raise borrowing costs for American families and businesses.” The intervention, which included coordinated efforts with the Bank of Korea, aimed to bolster the yen after it hit a low of 164 per dollar.4

The yen initially strengthened to 155.20 by August 3 but has since stabilized around 159.50. Bessent emphasized that Washington would do “whatever it takes” to support Japan's efforts, highlighting the potential for competitive devaluations if the yen remains undervalued.

To reassure markets, Washington suggested that Tokyo could utilize a COVID-era Federal Reserve backstop for major central banks, indicating a strong commitment to stabilizing the yen amidst global economic uncertainties.

Key Insight
“The intervention, which included coordinated action with the Bank of Korea, helped lift the yen from near 164 to as strong as 155.20 by August 3. Bessent also said Washington would do 'whatever it takes' to support Tokyo's effort, citing risks of competitive devaluations.”
CuriousCats studied:
1
Bloomberg.comBloomberg.com
“Treasury Secretary Scott Bessent defended his move last month to support the yen, saying that any extreme volatility in the Japanese currency could feed through to higher US interest rates.”
Bloomberg.com →
2
ReutersReuters
“Japanese authorities spent a ​record 15.4 trillion yen ($96.5 billion) in foreign exchange markets over the past month to support the ‌local currency, Finance Ministry data showed on Friday.”
Reuters →
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