SK Hynix stock heads into the open after a 2.7 percent jump
Published on 09/21/2026 at 06:36 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS
SK Hynix stock closed at KRW 1,857,000 on the Korea Exchange on September 18, 2026, rising about 2.7 percent from the previous session.
September 18, 2026 in numbers
SK Hynix Inc. (ISIN KR7000660001, KRX: 000660) finished the September 18, 2026 session at KRW 1,857,000, with the stock advancing roughly 2.7 percent as the broader KOSPI index added 2.66 percent to end at 6,894.23.
According to Korea Financial News, SK Hynix shares were quoted at KRW 1,857,000 in that session, while the KOSPI reached an intraday high of KRW 6,914.08 before settling back slightly.
This move left SK Hynix tracking the strong rebound in Korean equities, with foreign and institutional investors net buyers across the market on September 18, 2026 as reported by Korea Financial News.
Chip momentum in focus today
Today, September 21, 2026, SK Hynix trades ahead of the Korea Exchange close with sentiment still supported by strength in global memory stocks, after U.S. chip names rallied late last week as highlighted in coverage by MoneyDJ.
Market wraps from Seoul, including a report by Aju Press, note that Korean chip makers have been benefiting from optimism about demand for high bandwidth memory and artificial intelligence servers, a backdrop that continues to shape expectations for SK Hynix today.
