The probability of the Japanese Yen raising interest rates breaks through 80%! The USD/JPY exchange rate faces a turning point, what should retail arbitrage traders do?

Since December, the hawkish signals from the Bank of Japan have triggered a strong market reaction. The USD/JPY has retreated from recent highs to 154.66, hitting a new low. Is this an overreaction by the market or a genuine turning point?

Central Bank Releases the Most Hawkish Signal, Rate Hike Probability Surges to 80%+

Bank of Japan Governor Kazuo Ueda’s recent comments have become the catalyst. He explicitly stated that the decision to raise interest rates will be evaluated at the December meeting, but this brief statement conveyed very different messages. Overnight index swap data shows that market expectations for a rate hike by the BOJ in December have exceeded 80%, marking the strongest signal to date for a rate increase.

French Paris Bank economists immediately stated that Ueda’s speech has almost become a preview of a December rate hike. Analysts at Barclays and JPMorgan have even significantly advanced the timing of the hike—from the originally expected January 2026 to December this year.

However, Goldman Sachs remains cautious, believing that the BOJ may need to observe more corporate wage data, and that January next year is a higher-probability event for a rate hike. Market divergence is emerging here.

Divergence Between Fed and BOJ Policies, Carry Trade Faces Restructuring

Market bets on a Fed rate cut in December are approaching 90%, contrasting sharply with the BOJ’s rate hike expectations. The narrowing of the US-Japan interest rate differential directly threatens the carry trade pattern that has been prevalent in recent years.

For a long time, many investors borrowed low-interest yen to invest in high-yield assets for arbitrage profits. But as the yen’s appreciation expectations heat up and the probability of rate hikes increases, this strategy is facing large-scale unwinding pressure. Coin Bureau analyst Nic Puckrin pointed out, “The volatility of the yen exchange rate is once again stirring market sentiment, and a wave of unwinding carry trades is re-emerging.”

Where Is the Exchange Rate Heading? Early 2026 Could Drop to 150

Mitsubishi UFJ Financial Group analyst Lee Hardman predicts that as expectations for a BOJ rate hike continue to rise, the yen’s appreciation trend may persist. In his baseline forecast, USD/JPY could dip to around 150 in early 2026.

This means that for traders holding USD assets, exchange rate risk is increasing; for those with short yen positions, they need to reassess their risk exposure. The unwinding of carry trades will not happen overnight, but the trend is already evident.

The current market focus has shifted to the BOJ meeting on December 20-21. Whether or not a rate hike occurs, the expectation of yen appreciation is gradually being priced in, and future exchange rate movements will become a key variable in the global financial markets.