Carry Trade

A carry trade is a strategy in which a trader borrows (sells) a currency with a low interest rate and uses the proceeds to buy a currency with a higher interest rate, aiming to profit from the interest rate differential (the "carry"). The profit comes from the daily swap or rollover payments earned by holding the position, in addition to any favorable exchange rate movement.

For example, if the Japanese yen has an interest rate of 0.25% and the Australian dollar has a rate of 4.35%, a trader who goes long AUD/JPY effectively borrows yen at 0.25% and invests in Australian dollars at 4.35%, earning approximately 4.10% annualized on the notional position (before leverage adjustments). With leverage, this return can be substantially amplified — at 10:1 leverage, the annualized carry return could theoretically reach 41%.

The carry trade has historically been one of the most popular forex strategies, with the Japanese yen and Swiss franc serving as primary funding currencies due to their persistently low interest rates. Popular carry trade pairs have included AUD/JPY, NZD/JPY, USD/JPY, and various emerging market currency pairs with high yields.

However, carry trades carry significant risks:

• Exchange rate risk: The high-yield currency may depreciate against the funding currency, wiping out carry gains. Currency moves of 1-2% per day can easily exceed the annual carry return earned
• Unwinding risk: During market stress, carry trades tend to unwind rapidly as traders close positions, causing sharp appreciations in funding currencies. The 2008 financial crisis saw AUD/JPY fall over 40% in months
• Interest rate changes: Central bank policy shifts can narrow or reverse the interest rate differential
• Sudden volatility: Events like the 2015 Swiss franc de-pegging or the 2024 yen carry trade unwind can produce catastrophic losses in hours

The carry trade works best during periods of low volatility, stable interest rate differentials, and risk-on market sentiment. Professional carry traders carefully monitor VIX levels, central bank rhetoric, and global risk indicators to manage the timing and sizing of their positions.