SK Hynix Readies $29 Billion Nasdaq Debut as Production Shift and Valuation Fears Rattle Seoul Investors

The demand for SK Hynix’s American Depositary Receipts is staggering. With books reportedly multiple times oversubscribed and anchor investors including Baillie Gifford Overseas, Coatue Management and Situational Awareness Partners pledging up to $7 billion collectively, the South Korean memory-chip giant’s Nasdaq listing is shaping up to be one of the year’s largest cross-border equity moves. The company is selling 17.79 million new shares via ADRs — each ten ADRs representing one ordinary share — with pricing set for Thursday and trading expected to begin Friday.

Yet back in Seoul, the stock tells a very different story. After closing at 2,201,000 won on Tuesday, shares tumbled a further 5.68% to 2,076,000 won on Wednesday, bringing the two-day slide past 11% and the weekly loss to nearly 19%. Foreign investors have offloaded the stock for six straight sessions, creating a stark disconnect between the enthusiasm for the U.S.-listed paper and the retreat from the existing South Korean equity.

The jitters are partly valuation-driven. SK Hynix trades at a price-to-earnings ratio of 22.96, more than double its five-year median of 9.19, even after the recent pullback. The upcoming second-quarter earnings release on July 29 is prompting a cautious stance, while the annualized 30-day volatility of around 113-114% underscores the nervousness gripping the market. The 50-day moving average now sits at roughly 2,105,000 won — the stock is hovering just below it — and the relative strength index of 43.1 suggests no oversold relief yet.

Operationally, the company’s first-quarter results were stellar. Net profit hit 40.3 trillion won on revenue of 52.6 trillion won, a 198% year-on-year surge driven by voracious demand for high-bandwidth memory chips used in Nvidia and Google’s AI accelerators. Operating margin reached a record 72% and return on equity stood at 61%. SK Hynix commands a 56.4% share of the global HBM market, a dominant position that has made it the single biggest beneficiary of the artificial-intelligence build-out.

Should investors sell immediately? Or is it worth buying SK Hynix?

But beneath the surface, the company is executing a notable strategic pivot. Rather than rushing to convert all capacity to the next-generation HBM4, SK Hynix is reallocating some production lines back to standard DDR5 DRAM. The reason: severe supply shortages in the conventional memory segment, where operating margins are currently higher than in HBM3E. The shift delays the transition from HBM3E to HBM4, partly because of uncertainty surrounding the timing and demand for Nvidia’s upcoming “Rubin” chip generation. Management appears in no hurry to accelerate the upgrade, preferring to harvest additional revenue from the tighter DRAM market while cementing its position in the broader memory landscape.

The U.S. listing proceeds — estimated at $28 billion to $29 billion — are earmarked for expanding advanced fabrication capacity in South Korea, where the government last week unveiled a $576 billion industrial program to build a massive semiconductor hub. SK Hynix and Samsung Electronics are expected to anchor that initiative. Separately, Air Liquide is investing more than $170 million in a facility in Indiana to supply ultra-pure gases to a new SK Hynix chip-packaging plant in the U.S., due online by the end of 2028.

Despite the recent pullback, the longer-term picture remains extraordinary. From the 52-week low of 491,500 won in October 2025, the stock has surged more than 320%. Year-to-date gains still stand at over 200%, and the June 25 record high of 2,987,000 won is only about 30% above the current price — a gap that some investors see as an entry opportunity if the Nasdaq debut signals a fresh wave of global demand. The coming days will test whether the domestic sell-off is merely a temporary repositioning ahead of two major catalysts or the start of a deeper reassessment.