SK Hynix is being pulled in several directions at once. The memory chip maker is still leaning on booming demand for AI components, yet its shares are being buffeted by a broader reassessment of the semiconductor cycle, a wave of leveraged ETF volatility in South Korea and a fresh set of competitive and supply-chain risks.
The stock closed on Thursday at 1.842.000 Won, leaving it 38,33 Prozent below its 52-week high of 2.987.000 Won, set on 25 June 2026. Over the past seven trading days, it has fallen 15,50 Prozent, while the 30-day loss stands at 22,67 Prozent. The company’s American depositary receipts also dropped 13,69 Prozent on 16 July, after already losing about 9 Prozent the previous day.
A big part of the pressure came from TSMC. The foundry’s second-quarter net profit rose 77,4 Prozent to 706,56 Milliarden Taiwan-Dollar, and it lifted its 2026 revenue growth forecast to more than 40 Prozent. But investors focused on the spending side of the announcement. TSMC raised its 2026 capital expenditure budget from 52 bis 56 Milliarden Dollar to 60 bis 64 Milliarden Dollar and said it would add another 100 Milliarden Dollar for expansion in Arizona. That was taken as a sign that even the strongest players in the industry need to spend heavily to keep pace with AI demand.
The reaction was swift across the semiconductor complex. On 16 July, the Philadelphia Semiconductor Index fell 4,29 Prozent, slipping more than 20 Prozent below its 22 June peak and into bear-market territory by the usual definition. In Seoul, the Kospi dropped 6,37 Prozent to 6.820,60 Punkte. SK Hynix lost 11,53 Prozent there, while Samsung Electronics fell 8,77 Prozent. Micron, Broadcom, AMD and Intel were also marked down by between five and six Prozent. Micron, meanwhile, slipped below a market value of one trillion dollars.
South Korea’s authorities have been forced to respond to the turbulence in leveraged products linked to the stock. The Financial Services Commission said it would tighten the rules after some SK Hynix leveraged products showed intraday swings of as much as 40 Prozent in a single day. From 5 August, the minimum deposit for single-stock leveraged ETFs will be tripled from 10 to 30 million Won, and from November the minimum trading unit will rise to 20 shares. New issues of such products will be halted for now, advertising will be banned and mandatory investor education will be extended from two to three hours. The FSC expects the combined market value of the affected funds to shrink from twelve to four or five trillion Won.
Retail investors kept buying anyway. Between 16 June and 15 July, 7,3364 trillion Won flowed into 16 leveraged and inverse ETFs linked to Samsung and SK Hynix. Of that total, private investors bought 5,8505 trillion Won of Samsung and SK Hynix leveraged products, including 4,2386 trillion Won tied to SK Hynix. The KODEX SK Hynix Leverage ETF drew the largest inflow of all 16 products at 3,4472 trillion Won, even though it fell 45,60 Prozent over the same period, while the underlying SK Hynix share price declined 19,49 Prozent. Institutions were on the other side of the trade, selling a net 5,1713 trillion Won of those products. Foreign investors also trimmed their exposure to the stock, reducing their stake from 53,83 to 49,88 Prozent since the start of the year.
Should investors sell immediately? Or is it worth buying SK Hynix?
The company’s underlying business still looks tight, at least for now. Reuters quoted SK Hynix chief Kwak Noh-jung as saying the sharpest memory shortage of the decade will not come until 2027, with demand expected to outstrip supply well beyond 2030. Goldman Sachs and HSBC estimate that DRAM makers can currently meet only 75 to 80 Prozent of orders, with that figure potentially falling to as low as 60 Prozent in 2027. SK Hynix reported first-quarter 2026 sales of 52,6 trillion Won, a gross margin of 79,3 Prozent and a 56,4 Prozent share of the HBM market. For 2025 as a whole, revenue rose to 97,1 trillion Won from 66,2 trillion Won a year earlier, while profit almost doubled to 42,9 trillion Won.
There is, however, no shortage of competing narratives. SK Hynix has begun mass production of HBM4 for Nvidia’s Vera Rubin platform, a transition from the HBM3E generation. Supporters argue that the company remains the key supplier for Nvidia’s next wave of AI systems, from Blackwell to Vera Rubin, and point to its financial firepower after the Nasdaq listing of its U.S. operation raised 26,5 billion dollars. That cash is meant to support the Yongin semiconductor cluster and the Indiana plant, while avoiding the burden of heavy debt service or interest costs. In the first quarter of 2026, the company said its conventional DRAM business posted an operating margin of 72 Prozent.
At the same time, the competitive field is getting tighter. Samsung has been mass-producing HBM4 since February 2026, and Micron has been supplying for Vera Rubin since March. That has raised questions about SK Hynix’s roughly 62 Prozent market share, which appears to be under pressure as rivals close the gap. China is also adding another layer of uncertainty. SK Hynix still manufactures DRAM and NAND in Chinese plants and needs a U.S. export licence every December for those operations. China’s export controls on helium, effective 10 July, add to the risk because the gas is needed for the most advanced EUV lithography tools. Separately, memory chipmaker CXMT is preparing a Shanghai IPO on 27 July that aims to raise the equivalent of about 12,7 trillion Won.
The company’s valuation has become more sensitive to every swing in sentiment. Barclays initiated coverage with an Overweight rating and a target price of 330 Dollar, while the RSI stands at 40,5, indicating neither overbought nor oversold conditions. The 30-day annualised volatility, at 127,39 Prozent, shows how violent the recent trading has been.
For now, the market is trying to decide whether SK Hynix’s latest drop is a temporary reset after a crowded AI trade, or the start of a longer phase in which higher spending, tougher competition and policy risk weigh more heavily on the stock. The next key checkpoint comes in September, when HBM4 shipments will show whether the company can keep pace with demand.
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