- The South Korean stock markets will be closed Oct. 1 as part of a temporary holiday, the bourse operator said Tuesday.The financial markets, including the main Korea Composite Stock Price Index (KOSPI) and the secondary tech-heavy KOSDAQ, as well as the ETF, the derivatives markets and commodity markets, such as petroleum and gold, will be closed Oct. 1, according to the Korea Exchange.South Korea has designated Oct. 1, Armed Forces Day, as a temporary holiday in its latest move to boost domestic consumption and troop morale.Source: Yonhap News Agency