Japan's finance minister urges G7 vigilance on bond yields and currency swings

Japan's finance minister, Satsuki Katayama, used G20 and G7 finance meetings in Bangkok to raise concerns about rising long-term interest rates and swings in currency markets, urging fellow G7 members to keep a heightened sense of vigilance as both trends continue to develop.

The remarks reflect a broader unease among finance officials gathered for the talks over how quickly borrowing costs have climbed globally and how much volatility currency markets have shown in recent months. Katayama's comments did not single out any one currency pair or bond market as the primary concern, framing the issue instead as one meriting coordinated attention from the group's major economies.

Rising long-term yields have been a persistent theme at finance gatherings this year, as government borrowing costs in several major economies have pushed higher, complicating fiscal planning and raising the cost of servicing existing debt. Currency volatility has compounded the picture, with sharp moves in exchange rates adding another layer of uncertainty for policymakers and markets alike.

Katayama's call for vigilance stopped short of proposing specific coordinated action, leaving open what, if anything, the G7 might do jointly in response. For Japan in particular, a weak or volatile yen has been a recurring policy headache, making currency stability a persistent priority for its finance officials at international gatherings such as this one.