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Yen firms as rising long-end JGB yields spill into USD/JPY trade
Markets have lifted the implied odds of a September BoJ rate hike to about 80%, up from roughly 50% at the start of August, which could support JPY strength if policy tightening accelerates.
OCBC strategists Sim Moh Siong and Christopher Wong said rising long-end Japanese government bond yields are increasingly influencing global yield curves and feeding into the Japanese yen, including USD/JPY market dynamics.
They noted that markets are now pricing a high probability of a September Bank of Japan rate hike, but they said policymakers’ appetite for additional tightening beyond that remains uncertain. OCBC kept its end-2026 USD/JPY target at 163, turning more constructive only if the BoJ signals a more aggressive hiking path.
The analysts linked part of the yield rise, especially in the US, to higher real yields tied to persistent fiscal deficits and growing AI-related corporate financing needs, while adding that those factors do not fully explain the move.
They also pointed to spillover from higher long-end JGB yields, saying concerns about yen weakness and perceptions that the BoJ is behind the curve have not been fully eased, despite coordinated Japan-US FX intervention and ongoing debate about faster BoJ hikes.
OCBC said implied odds for a September hike have increased to around 80% from about 50% at the start of August, and argued that if the BoJ accelerates normalization and the yen sheds its low-yield funding-currency status, the currency could strengthen over time, with quarterly rate hikes through 2027 framed as a key catalyst. However, they said it is unclear how much appetite policymakers have for tightening beyond September or October.
Latest closeUSD/JPY 157.84 ▼0.3%