Japanese hedge funds ignore intervention warnings, placing sizable bets in yen options that the currency could slide toward 165 per dollar before authorities act. The move signals growing confidence that the Bank of Japan’s policy shift will not trigger immediate market intervention. Traders weigh the risk of a sharp devaluation against potential gains.

Underlying the bet is a belief that the yen’s recent volatility will settle once the Bank of Japan confirms its new stance on monetary easing. Analysts note that a 165 level would represent a 10% slide from today’s 155, a move that could trigger a wave of capital outflows and higher borrowing costs.

Market watchers will monitor the Bank of Japan’s next policy meeting for clues on whether it will intervene. If the yen slips past 165, a swift response could stabilize the currency but also raise questions about the sustainability of Japan’s ultra‑low‑rate regime. Investors remain on edge.