Why the Japanese Yen Carry Trade Has Officially Collapsed

For years, traders could predict the direction of the Japanese yen by simply looking at the interest rate gap between Japan and the United States. This strategy, known as the carry trade, involved borrowing cheap yen to invest in higher yielding dollar assets. According to Apollo Global Management, this decades old rule stopped working after April 2025 due to rising market volatility.

The old correlation failed because the risks of the carry trade started to outweigh the rewards. Even as interest rate gaps narrowed, the yen continued to slide to historic lows rather than recovering. Chief Economist Torsten Slok notes that a single period of market turbulence can now erase an entire year of gains from the trade, leading many investors to exit their positions regardless of yield spreads.

Attention is now shifting toward Japan's fiscal health instead of interest rates. With government debt reaching record levels, the cost of servicing these obligations is becoming the primary driver for the currency. Tokyo has even increased its long term interest rate assumptions in the national budget to account for this reality.

While officials have attempted to defend the yen through rare currency interventions, market experts remain skeptical about a lasting reversal. As the Bank of Japan prepares for its next meeting in September, traders should watch Japan's debt management strategy closely, as it now carries more weight for the currency than US yield movements.