The benchmark Korea Composite Stock Price Index rose 5.97 points, or 0.25 percent, to 2,369.16 in the first 15 minutes of trading.
Market kingpin Samsung Electronics was up 0.60 percent, while SK hynix, a major chipmaker, fell 0.15 percent.
Hyundai Motor, the No. 1 automaker, opened flat, while AmorePacific, the country's top cosmetics maker, advanced 0.69 percent.
The local currency was trading at 1,122.80 won against the US dollar, up 5 won from the previous session's close. (Yonhap)