Seoul's stock market closed down more than 1% on Wednesday after South Korean President Yoon Suk-yeol briefly declared martial law and then lifted it overnight.
The KRX: KOSPI fell 1.44% to 2,464, after initially falling 2.3% at the open.
Samsung Electronics, the country's largest conglomerate, closed down 0.93% after falling more than 3% in early trade.
The South Korean won fell to 1,430.82 won against the dollar, its lowest since October 2022, after the martial law declaration.
South Korean President said Tuesday that he would move to lift martial law he declared hours earlier, after parliament voted against the measure.
He also decided to withdraw the martial law command forces and hold a cabinet meeting as soon as possible.
In a related development, opposition leaders submitted a motion to impeach President Yoon Suk-yeol hours after he canceled his extraordinary declaration of martial law.