Yen carry trades have returned roughly 18% so far in 2026 as traders borrow cheap yen and invest in higher-yielding dollar assets. The trade depends on continued dollar weakness and a passive Bank of Japan, and a sudden yen rally could force a rapid, disorderly unwind.
Traders have rushed back into yen-funded carry trades, and the strategy has returned roughly 18% year-to-date, outperforming other systematic approaches by a wide margin. But the same forces driving those gains could reverse them just as fast.
Cheap yen, richer returns
The mechanics are simple. Traders borrow yen at the Bank of Japan's roughly 1.00% interest rate, convert it into dollars or other higher-yielding currencies, then park the proceeds in assets such as US Treasuries or emerging market bonds that pay substantially more. They pocket the spread and repeat.
Dollar weakness has fueled the trade. The greenback has fallen roughly 10% against major currencies since early 2025, a decline tied to US fiscal anxieties, policy unpredictability, and shifting global capital flows. Meanwhile the yen has been trading around 159 to 162 per dollar, levels not seen in decades, which keeps the borrowed currency cheap relative to the assets it funds.
Hedge funds have leaned into the move. Earlier this year many funds halved their bearish yen positions, only to rebuild their short bets as the dollar kept sliding and the trade kept paying off.
The risk sits with the yen
If the yen appreciates suddenly, every carry trader owes more in the currency they borrowed, which triggers a rush to close positions. That rush pushes the yen higher still, forcing further closures, and the resulting stampede can spread volatility across currency, equity, and bond markets.
The Bank of Japan is the biggest wild card. Any signal of tighter monetary policy, or direct intervention to strengthen the yen, could set off that kind of cascade. Analysts at JPMorgan and Morgan Stanley have flagged the USD/JPY exchange rate as a critical barometer for broader dollar trends.
A trade with a history of unwinding badly
This trade was popular in the mid-2000s before it unwound violently during the 2008 financial crisis, and a sudden yen rally in summer 2024 forced rapid deleveraging that shook equity markets worldwide.
Today it has become one of the dominant sources of liquidity in global markets, so a disorderly unwind would not stay contained to currency speculators. It could drain liquidity from emerging market debt and US corporate bonds alike. Even so, the interest rate differential between Japan and the US, while narrowing slightly, remains wide enough to keep the carry attractive, and as long as the dollar keeps weakening, traders keep getting paid from both sides of the trade.
Source: Crypto Briefing
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