JPY intervention and UK by-election risks
Watching JPY and GBP risks.
Group Research - Econs, Chang Wei Liang19 Jun 2026
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USD/JPY has broken above 161, reaching levels that previously triggered market interventions. While this rebound is broadly consistent with USD strength following the FOMC, it also highlights that large speculative JPY short positions have not eased despite the BOJ’s rate hike this week. Japan’s tolerance for JPY weakness appears close to its limit, given that authorities intervened to sell USD/JPY to the tune of USD73bn in late April-May. Policymakers may deploy both rhetoric and further market interventions to curb JPY depreciation, with falling oil prices also offering some support to the currency.

US President Trump and Iranian President Pezeshkian have signed an interim MoU to end the Middle East conflict, reopening the Strait of Hormuz to all traffic while negotiations towards a final agreement continue. Admittedly, disagreement remain over nuclear and other key issues, but the deal signals a clear switch from US military pressure to diplomacy. Brent prices have now declined to around USD76, which should temper inflationary pressures and support oil-sensitive Asian currencies.

GBP/USD could see further volatility after easing towards 1.32, as Labour’s Burnham leads in the Makerfield by-election. Widely regarded as one of Labour’s most popular figures, Burnham is expected to challenge PM Starmer for the party leadership once he enters parliament. He is known for advocating left-leaning policies, and it remains unclear whether he can successfully navigate the fiscal rules that have limited Starmer’s policy agenda, particularly in defence and taxation. Such political uncertainty could trigger a sell-off in Gilts and weigh on GBP. That said, Burnham is reportedly seeking guidance from well-known economists such as Andy Haldane and Jim O’Neill to bolster policy credibility.

Chang Wei Liang

FX & Credit Strategist
[email protected]




Quote of the Day
“Opinion is the medium between knowledge and ignorance.”
     Plato

June 19 in history
General Electric was dropped form the Dow Jones Industrial Average in 2018, the last original member from 1907.





 
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