SK Hynix debuts on Nasdaq Friday via $26.5B ADR offering

South Korean memory-chip giant SK Hynix will begin trading on the Nasdaq on Friday via American Depositary Receipts (ADRs), marking a $26.5 billion offering—one of the largest ever, alongside recent mega-deals from Cerebras and SpaceX. The move grants U.S. investors direct access to one of the world's leading producers of high-bandwidth memory (HBM), a critical component for AI inference and training. SK Hynix's South Korea-listed shares have soared 2,550% since ChatGPT's November 2022 launch, propelling the company's market value above $1 trillion.

Despite those historic gains, analysts note the stock trades at just over 7x this year's earnings—a discount relative to premium memory-chip pricing. The bull case rests on AI-driven demand for memory continuing to accelerate, but the memory business carries boom-and-bust risk; recent trading shows SK Hynix shares fell ~25% from their June 25 peak, joining broader sell-offs in fellow Korean tech giant Samsung and Micron despite strong earnings reports. This volatility underscores the sector's sensitivity to supply-demand expectations.

For architects building AI inference clusters or data centers, SK Hynix's U.S. listing lowers friction for direct equity exposure to HBM supply dynamics. The key question investors face: whether AI has permanently altered the notoriously cyclical memory business or if a supply catch-up will trigger the classic boom-and-bust pattern. Watch for early Nasdaq trading volume and institutional positioning as a signal of conviction around sustained AI memory demand.