Korea–US interest rate gap3at its narrowest in years, the won in focus
The gap between Korean and US market interest rates has narrowed to its smallest level in years, effectively.3As expectations grow that the Bank of Korea will raise its base rate, the won’s movement has emerged as a factor for the domestic stock market.

With expectations of a Bank of Korea base rate increase rising, the gap between Korean and US market interest rates has recently narrowed rapidly. The inversion between the two countries’ market rates has effectively shrunk to its smallest level in years.3Market interest rates refer to the price of money traded in markets, such as government bonds.
An interest rate inversion means that US interest rates are higher than Korean rates. Until now, markets have interpreted higher US rates as making dollar assets more attractive and potentially weighing on the won. With the gap now narrowing, the market is watching to see whether the won will appreciate.
Growing expectations that the Bank of Korea may raise its base rate have influenced domestic interest rate trends. The base rate is the starting point for bank deposit, lending and bond rates. When expectations of a base rate increase strengthen, market rates often move first.
When the gap between U.S. and South Korean interest rates narrows, the foreign exchange market is also affected. Investors compare returns on won- and dollar-denominated assets. Some observers say that a narrower gap could ease downward pressure on the won.
However, the won's value is not determined by the interest rate gap alone. Export trends, international oil prices, foreign capital flows and the direction of U.S. interest rates are also reflected. This trend has become a factor being watched by both the domestic bond and foreign exchange markets.
In the domestic stock market, sectors sensitive to exchange rates may be affected first. A stronger won can ease the burden on companies that pay costs in dollars, while changing the translated earnings of companies with a large share of overseas sales. Bank and securities stocks also need to be assessed in light of changes in interest rates and bond prices.
Sources: 연합뉴스 경제
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