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Japan's $73B Yen Failure Sets Up Crypto Carry Risk
Japan spent $73B on yen intervention with no lasting effect. The yen carry trade links FX volatility to crypto liquidity and margin risk. Here's the exposure.
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Japan spent a record 11.7 trillion yen, about $73 billion, on currency intervention in late April and early May. The yen traded at 161 per dollar in mid-June, near its weakest since 1986 and barely changed from the levels that preceded the intervention.
The intervention consumed roughly a quarter of what Japan spent on yen defense in all of 2025 and produced no sustained move.
Rocky Swift, a Reuters correspondent covering Japan markets, said on the Econ World podcast July 8 that the intervention failed to address structural drivers of yen weakness. Those include Japan's national debt and the interest rate differential between the Bank of Japan and the Federal Reserve.
The yen carry trade connects Japanese FX policy to crypto liquidity. Investors borrow yen at near-zero rates and convert to dollars for purchases of higher-yielding assets including crypto. A stable or falling yen keeps those trades profitable. When the yen strengthens sharply, traders must buy back yen to repay loans. The unwind forces sales of the assets those dollars purchased, including crypto positions.