Glossary

Carry trades

Summer tremors on the stock market. In addition to the sudden concerns about the US economy and fears of an AI bubble, carry trades between the yen and the US dollar are seen as the trigger for the turbulence. Reason for the stock market word of the week.

A carry trade is a speculative strategy in foreign exchange trading in which you profit from interest rate differences between two currencies. Investors borrow money in a currency with low interest rates, such as the yen, and invest it in a high-interest currency such as the US dollar. The profit arises from the interest rate difference and possible exchange rate gains. You take advantage of the price differences.

This strategy works as long as the exchange rate remains stable or moves in the desired direction. It harbors great risks if exchange rates, interest rates and volatilities change.

A current example: last week, interest rates in the USA were at 5.25 to 5.50 percent, in Japan at 0 to 0.1 percent. Then the US Federal Reserve announced an interest rate cut for September and the Bank of Japan surprisingly raised interest rates to 0.25 percent. Such changes immediately move the market, leading to strong price movements and chain reactions.

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