SK Hynix stock rises 3.45 percent after the close

At the close on September 22, 2026, SK Hynix stock had gained 3.45 percent in U.S. trading, while memory peers Micron and SanDisk also advanced. The next session follows after-hours trading ends.

SK Hynix stock rose 3.45 percent to USD 194.58 on the Nasdaq on September 22, 2026, according to the closing market data reported by TradingKey. The U.S.-listed ADRs of SK Hynix Inc. (ISIN KR7000660001) outperformed Micron Technology, which gained 5.00 percent, while SanDisk rose 6.82 percent in the same session.

September 22, 2026 in numbers

The session followed a broader advance in memory stocks, with SK Hynix ADRs among the securities highlighted in TradingKey reporting. The Nasdaq Composite reached a record intraday level of 27,272 points on September 22, while the U.S. memory group led the market advance.

On the Korea Exchange, SK Hynix shares completed the September 22 session 1.50 percent lower, closing at 11:35 a.m. ET, while the KOSPI added 0.15 percent to 7,017.91. The difference between the U.S. ADR move and the home-market move reflects the exchange rate and different trading hours.

After-hours trading continues today

U.S. extended-hours trading continues until 8:00 p.m. ET. The next U.S. regular session is September 23, 2026; any company release, earnings announcement or market event scheduled for that date can affect the U.S.-listed ADRs after the opening bell.