The Korean won remained weak against the U.S. dollar despite a cease-fire memorandum signed between the United States and Iran [1].

This persistent currency volatility threatens to drive up domestic prices in South Korea, potentially fueling a cycle of inflation that complicates the central bank's monetary strategy.

In New York trading earlier this morning, the won-dollar exchange rate closed at 1,531 KRW per USD [1]. This figure represents an increase of nearly four KRW compared to the closing price in the Seoul market [1].

Bank of Korea officials said that the currency's weakness could lead to a surge in consumer prices. The bank projects an average price increase of 3% for the second half of the year, with core inflation estimated at 2.6% [1].

Kim Young-ju, head of the Price and Employment Division at the Bank of Korea, said that industrial product and service prices typically react most strongly with a time lag of approximately 14 to 18 months [1].

Several factors are contributing to the won's instability. Analysts said ongoing uncertainty regarding U.S. monetary policy and the details of follow-up negotiations with Iran are factors [1]. Additionally, delayed oil supplies and profit-taking by foreign investors in the KOSPI have weighed on the currency [1].

Speculative trading continues to keep the won weak even as geopolitical tensions ease following the memorandum [1].

The won-dollar exchange rate closed at 1,531 KRW per USD.

The disconnect between the geopolitical resolution of the US-Iran conflict and the currency market suggests that macroeconomic factors—specifically U.S. interest rate expectations and capital flight from the KOSPI—are currently outweighing the positive sentiment of a cease-fire. For South Korea, a prolonged high exchange rate increases the cost of imports, which may force the Bank of Korea to maintain higher interest rates to combat imported inflation.