SK Hynix’s Record Surge Powered by Unprecedented Customer Investment and a Rival’s Labor Woes

SK Hynix shares surge 178% YTD as clients offer to fund new chip plants amid AI boom, Samsung labor unrest, and structural memory shortages through 2030.

Clients so desperate for cutting-edge memory chips that they are offering to foot the bill for new factories, combined with labor unrest at its biggest competitor, have propelled SK Hynix shares to an all-time high. The South Korean chipmaker’s stock jumped 11.5% on Monday to 1,880,000 won, with trading briefly halted due to volatility. The rally leaves the stock up nearly 178% since the start of the year.

The extraordinary show of customer confidence extends to the very heart of chip manufacturing. Market sources say major technology companies have offered to cover the cost of new production lines, including the extremely expensive EUV lithography machines made by ASML. One specific proposal targets SK Hynix’s planned facility in Yongin, South Korea. Such deals are almost unheard of—chipmakers typically finance their own expansion. But with available production capacity effectively at zero and the AI boom showing no signs of abating, customers are taking matters into their own hands.

Management, however, is treading carefully. Accepting customer-funded factories would likely require granting price concessions in return, locking the chipmaker into long-term supply agreements. With margins already astronomical, SK Hynix is reluctant to give up pricing flexibility in what is clearly a seller’s market.

The company’s financials underscore its leverage. First-quarter revenue soared 198% year on year to 52.6 trillion won, while operating margins hit a staggering 72%. Analysts at Morningstar expect the operating margin to climb further from around 49% in the prior year to nearly 76% in the current fiscal year, driven by strong demand for the upcoming “Rubin” architecture, for which SK Hynix has reportedly secured the bulk of HBM orders.

Adding to the euphoria, a report emerged that SK Hynix is testing Intel’s EMIB packaging technology. This method connects high-bandwidth memory directly to logic chips—a critical requirement for AI accelerators. Currently, TSMC dominates this packaging bottleneck with its CoWoS technology, but the Taiwanese giant’s capacity is massively oversubscribed. An alternative route through Intel could give SK Hynix a strategic edge in reliably serving customers like Nvidia.

Meanwhile, labor troubles at archrival Samsung Electronics are redirecting orders SK Hynix’s way. Growing fears of a strike by Samsung unions have prompted some tech companies to reassess their supply chains, shifting HBM and DRAM orders toward SK Hynix. The company already controls roughly 57% of the global HBM market, and any disruption at Samsung could further expand that dominance.

The structural shortage shows no signs of easing. Goldman Sachs forecasts the worst undersupply in 15 years by 2026, while SK Group Chairman Chey Tae-won warns of constraints stretching into 2030. To keep up, SK Hynix has accelerated construction of its M15X plant, with pilot production now scheduled for May 2026—two months ahead of plan—and capacity reaching 60,000 wafers per month.

Yet the competitive landscape remains fluid. Samsung has secured qualification for Nvidia’s Vera-Rubin platform, though its yield on the latest memory generation still lags. If Samsung ramps up mass production in the second half of 2026, SK Hynix could see its slice of the high-performance memory market shrink to nearly half. For now, though, the chipmaker’s market capitalization has swelled to over $900 billion, cementing its place as South Korea’s second-largest listed company.

Analysts continue to lift their sights. LS Securities raised its fair value estimate to 2.1 million won, while Daishin Securities set a target of 2.5 million won. UBS has also sharply increased its profit forecasts for the coming years, citing a memory super-cycle not seen in nearly three decades. As long as the AI frenzy persists and rivals grapple with internal turmoil, SK Hynix is poised to keep cashing in.