SK Hynix's Chairman Bought Shares for the First Time — Then the Stock Hit Its Daily Limit
Published on 08/02/2026 at 16:02 | Redaktion boerse-global.de
The arithmetic is almost too neat to be coincidence. On July 30, SK Group Chairman Chey Tae-won made his first-ever personal purchase of SK Hynix shares — 3,620 of them, worth roughly $3.41 million. The next session, the stock slammed into its daily trading ceiling, closing the week up 22.63 percent at 1,718,000 won. By that close, Chey's stake had gained about $904,000 in a single day.
The gesture carried symbolic weight that went beyond the won figures. It was the first time the chairman had personally acquired equity in his own chipmaking flagship, and it landed at a moment when South Korea's equity market had shed roughly 40 percent on a cumulative basis over the prior month. The government, for its part, has been reviewing stabilization measures ever since.
A Rebound Built on Squeezed Shorts
Friday's surge was the second violent move in a matter of days. The stock had fallen 42.48 percent from its 52-week high of 2,987,000 won, a peak reached only in late June. The trigger for the sell-off was the July 29 earnings release, which came in shy of whisper numbers even as the underlying business stayed robust.
What followed was a textbook short-covering rally, amplified by leverage that had been building for weeks. Assets under management in leveraged ETFs focused on the Korean market have collapsed from roughly $50 billion at the end of June to $17 billion — most of those funds have now finished their deleveraging, which helps explain the ferocity of the bounce.
Should investors sell immediately? Or is it worth buying SK Hynix?
The Korea Exchange has been testing the technical feasibility of emergency measures, including a temporary short-selling ban and tighter price limits, though regulators stress that nothing is imminent.
The Numbers Behind the Noise
The earnings report that triggered the sell-off deserves a closer look. SK Hynix posted revenue of 79.32 trillion won against market expectations of 84 trillion won, while operating profit came in at 60.54 trillion won versus a projected 64 trillion won. On a year-over-year basis, however, the growth is staggering: revenue climbed 257 percent in the second quarter, and operating profit rose nearly 557 percent.
Josh Gilbert, senior market analyst for Asia-Pacific at eToro, points to the 83 percent gross margin as evidence of sustained pricing power. Margins like that don't appear in markets where demand is fading — they appear where customers are competing for allocation.
The export data released August 1 reinforced the point. South Korea's semiconductor exports jumped 178.8 percent to $41.01 billion in July, with computer exports — driven by SSDs up 404 percent — adding further fuel. The signal is unambiguous: AI infrastructure demand has not peaked.
What the Chart Says Now
For the week ahead, the number that matters is 1,681,145 won — the 100-day moving average. Friday's close sits just above it. Hold that level, and the technical case for a bottom strengthens. Lose it, and the July support zones come back into play.
The fragility is evident in the metrics. Annualized 30-day volatility stands at 152.53 percent. The 50-day average of 2,167,507 won remains more than 20 percent above the current price, meaning the medium-term uptrend has yet to be restored. The RSI of 44.7 suggests the stock is far from oversold, and the 45.43 percent gap below the 200-day average leaves room for mean reversion if broader sentiment sours.
The Bull Case: HBM4 Is Ahead of Schedule
Optimists have a concrete fact to anchor to. On the July 29 conference call, management confirmed that mass production and shipment of the sixth-generation HBM4 will begin in the second quarter of 2026 — and the yield curves are reportedly developing faster than internal plans anticipated.
That lead keeps SK Hynix ahead of regional rivals, reinforced by long-term supply agreements with roughly ten hyperscaler customers. These contracts provide multi-year visibility. The stock is still up 164.43 percent year-to-date, and for institutional investors, the growth narrative remains intact.
The Bear Case: Capex, Competition, and a Question of Returns
The other side of the ledger is equally clear. Management has raised 2026 capital expenditure plans to the high end of 40 trillion won, earmarked for the M15X and Yongin facilities. Should the AI cycle cool, that spending could weigh heavily on free cash flow.
SK Hynix at a turning point? This analysis reveals what investors need to know now.
Samsung and Micron are both expanding their own HBM4 capacity, which could pressure pricing toward the end of 2026 even if SK Hynix remains the primary supplier for high-end GPUs. The company's massive cash position — 88 trillion won in cash and equivalents, with net liquidity of 69.4 trillion won — raises its own question: management has yet to decide on the timing, size, or structure of any shareholder returns, with a policy announcement not expected until later in 2026.
Two Dates That Could Settle the Debate
The coming weeks offer two catalysts. From August 3–7, full Korean export-import data for July will be released, with computer exports likely to shape sentiment in the first half of the week. Then on August 26, Nvidia reports fiscal second-quarter earnings — as the primary HBM supplier for Nvidia's platforms, any commentary on delivery volumes for the Blackwell or Rubin architectures will move SK Hynix shares.
Paul Gambles, co-founder of MBMG Family Office Group, remains cautious, suggesting the rally could be another violent swing in an increasingly unstable market — whether it becomes a one-day flash or something more durable is still an open question. One analyst put it more constructively: moves of this magnitude are unlikely to repeat, but the recovery itself still has room to run given how pessimistic positioning had become.
The stock still sits roughly 42 percent below its June record. The chairman's purchase was a first — and a signal. Whether it marks a turning point depends on whether foreign investors keep buying once the short-covering wave subsides, and whether the 100-day average holds. Friday's surge was a strong signal. It is not yet proof.
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