BoJ Fires: The Yen Still Won't Listen

The Bank of Japan raised its benchmark interest rate to the highest level since 1995 — and the yen fell anyway. That sentence should stop you. When a central bank tightens and its currency weakens, something structural is broken, or the market is sending a message the institution doesn't want to hear.

Here is the mechanism. The Bank of Japan has spent three decades in the basement of global monetary policy — zero rates, negative rates, yield curve control, the full arsenal of a central bank trying to restart an engine that refused to turn over. Now it is hiking. Slowly, carefully, with the kind of institutional caution that reads as timidity to currency traders. And those traders, who have built enormous positions betting against the yen for years — what's called the carry trade, borrowing cheap yen to buy higher-yielding assets elsewhere — are not convinced. One rate hike doesn't close a 30-year gap. They're not running for the exits. They're watching.

Japanese authorities have warned of potential currency intervention. This matters. The last time Tokyo intervened directly in currency markets, it spent tens of billions of dollars in a matter of weeks and bought itself a temporary reprieve before the trend reasserted itself. Intervention without a credible rate path is a moat with no water in it — it looks defensive, but it isn't.

My read: the Bank of Japan is caught between two pressures it cannot resolve simultaneously. Raise rates fast enough to defend the yen, and you detonate a domestic bond market that has been priced for permanent low rates. Move too slowly, and the yen continues to bleed, making imports more expensive for ordinary Japanese households already squeezed by food and energy costs. There is no clean exit from thirty years of unconventional policy. There is only sequencing — and every sequence has a casualty.

The two scenarios where I'm wrong: one, Tokyo intervenes aggressively and the Bank of Japan accelerates its hiking path more than expected, triggering a violent short squeeze that sends the yen sharply higher. Two, global risk appetite deteriorates — the Mideast escalation visible in the headlines, the German political fragility — and capital flows back to the yen as a traditional safe haven regardless of rate differentials. Both would move the yen without Tokyo having to solve the underlying problem.

For Malta, this is not abstract. The euro-yen rate affects European export competitiveness against Japanese goods, and the unwinding of the yen carry trade has historically produced sharp, sudden moves in global equity markets. If you hold a diversified pension or investment portfolio — and more Maltese do than realise it, through third-pillar products and unit-linked policies — a disorderly yen move is the kind of event that reprices assets you didn't know were correlated. Check your exposure. Not because panic is warranted. Because a general always reads the terrain before it shifts.

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*Marcus Azzopardi is Finance & Markets Editor at News Beast by FreeMalta.com.*