A currency dealer monitors exchange rates as a screen shows South Korea's benchmark stock index (KOSPI) and the Korean won/USD exchange rate (C) in a foreign exchange dealing room at the Hana Bank headquarters in Seoul on March 23, 2026. South Korea's won dropped to its weakest level against the US dollar in 17 years in early trading on March 23, amid market volatility sparked by the Iran war. (Photo by Jung Yeon-je / AFP via Getty Images)

A pedestrian walks past a money exchange sign at a shopping district in Seoul on March 23, 2026. South Korea's won dropped to its weakest level against the US dollar in 17 years in early trading on March 23, amid market volatility sparked by the Iran war. (Photo by Jung Yeon-je / AFP via Getty Images)

A pedestrian walks past a money exchange sign at a shopping district in Seoul on March 23, 2026. South Korea's won dropped to its weakest level against the US dollar in 17 years in early trading on March 23, amid market volatility sparked by the Iran war. (Photo by Jung Yeon-je / AFP via Getty Images)

A pedestrian walks past a money exchange sign at a shopping district in Seoul on March 23, 2026. South Korea's won dropped to its weakest level against the US dollar in 17 years in early trading on March 23, amid market volatility sparked by the Iran war. (Photo by Jung Yeon-je / AFP via Getty Images)

Currency dealers monitor exchange rates in a foreign exchange dealing room at the Hana Bank headquarters in Seoul on March 23, 2026. South Korea's won dropped to its weakest level against the US dollar in 17 years in early trading on March 23, amid market volatility sparked by the Iran war. (Photo by Jung Yeon-je / AFP via Getty Images)

A passerby looks at a graph depicting stock market trends on the Tokyo Stock Exchange along a street in Tokyo on March 23, 2026. (Photo by Kazuhiro NOGI / AFP via Getty Images)

A pedestrian walks past an electronic quotation board displaying the Nikkei 225 stock prices on the Tokyo Stock Exchange in Tokyo on March 23, 2026. (Photo by Kazuhiro NOGI / AFP via Getty Images)

Pedestrians stand in front of an electronic quotation board displaying the Nikkei Stock Average on the Tokyo Stock Exchange along a street in Tokyo on March 23, 2026. (Photo by Kazuhiro NOGI / AFP via Getty Images)