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Japan says it will stay in close contact with the U.S. on FX after Trump raises concern over yen weakness
Bank of Japan
2026-09-21 12:52:19

BOJ Rate Hike Has Not Yet Triggered a Broad Yen Carry Trade Unwind

The Bank of Japan raised rates in September as expected, but the move fell short of the market’s more aggressive expectations, easing immediate fears of a repeat of the 2024 yen carry trade unwind. The article argues that a disorderly reversal usually needs three forces to hit at once: higher yen funding costs, a rapid appreciation in the yen, and weakening returns on dollar assets such as U.S. stocks and Treasuries. For now, those conditions have only shifted at the margin rather than lining up in full. BOJ Governor Kazuo Ueda did not rule out consecutive rate hikes at his post-meeting press conference, yet he also left the pace of tightening unclear. At the same time, the external backdrop has not turned sharply negative. U.S. August nonfarm payrolls were described as steady, oil prices moved lower, Asia-Pacific equities rose broadly, and the yen weakened further after the rate decision. The piece also points to positioning data as a reason the near-term risk looks more manageable. After joint U.S.-Japan intervention, yen shorts were covered in size. As of the week of Sept. 15, CME non-commercial yen short positions were down about 56% from the late-July peak, while long positions had jumped 135%, with net long positioning moving out of negative territory in September. The report says the key risk to watch now is not the BOJ alone, but a tail event in U.S. assets that could force a sharper and more concentrated unwind.

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BOJ Rate Hike Has Not Yet Triggered a Broad Yen Carry Trade Unwind
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Goldman Sachs
2026-09-10 04:16:46

Goldman Sachs says a shift by Japan’s pension giant into domestic bonds could lift the yen and ripple across Asian FX

Goldman Sachs said in its latest report that the yen has gained more than 4% since early September, with a more hawkish Bank of Japan and market expectations around a possible asset allocation shift by Japan’s Government Pension Investment Fund, or GPIF, prompting investors to reassess the currency’s medium-term path. The bank said that if GPIF were to move part of its portfolio from overseas assets into domestic fixed income, the yen could see a structural appreciation. Using GPIF’s roughly $2 trillion in assets under management, Goldman estimated that a 5 percentage point increase in domestic fixed-income allocation would theoretically translate into about $100 billion of USD/JPY selling. The report said that size is roughly equal to half of Japan’s annual current account surplus and could also trigger an unwind of previously built yen-funded carry trades. Goldman added that the effects could spill into broader Asian currency markets. Looking at data since 2022, the bank said the Korean won has been the most sensitive to moves in the yen, with a beta of about 0.45, followed by the Thai baht and the Malaysian ringgit. Offshore yuan and the Taiwan dollar were also cited. Goldman kept its view favoring the Taiwan dollar over the yuan in North Asia, and in South Asia it maintained a bearish stance on the Philippine peso and a constructive view on the Indian rupee versus the peso. The bank noted that a GPIF reallocation into domestic bonds remains a scenario analysis, not a formal decision.

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Goldman Sachs says a shift by Japan’s pension giant into domestic bonds could lift the yen and ripple across Asian FX