SK Hynix’s Trillion-Dollar Leap: The 72% Margin and 16 New ETFs That Redrew the Rally

SK Hynix market cap tops $1 trillion, but only 77 KOSPI stocks rose. New leveraged ETFs fuel volatility as HBM demand drives 72% margins and analyst upgrades.

SK Hynix hurtled into the trillion-dollar club this week, but the celebration was far from universal. On May 27, the South Korean memory chip giant surged 9.3% to push its market capitalisation above $1 trillion for the first time. Yet beneath the headline, a stark divide emerged: only 77 stocks on the KOSPI rose that day, while 826 fell. The broader index itself rallied 2.25% to 8,228.70 points, briefly touching an all-time high of 8,457 during a 5.1% intraday spike, before paring gains. The surge was overwhelmingly concentrated in a handful of semiconductor, AI, and IT names — with SK Hynix and Samsung Electronics accounting for roughly half the index’s entire weight.

The rally’s acceleration has a fresh catalyst: 16 leveraged and inverse single-stock ETFs that launched in Seoul on the same day. Combined, they generated a staggering 10.4 trillion won (around $6.9 billion) in first-day turnover, with a total market capitalisation of nearly 5 trillion won. The two SK Hynix-focused leveraged ETFs led the charge. The KODEX SK Hynix Single Stock Leverage ETF, run by Samsung Asset Management, booked 4.39 trillion won in volume and jumped 18.44%. The TIGER version from Mirae Asset followed with 2.07 trillion won and a gain of 18.56%. These instruments give retail investors a direct, high-octane channel to ride the AI memory boom — but they also amplify volatility, as ETF inflows now reinforce price moves in both directions.

That structural shift in market access dovetails with a more fundamental transformation: SK Hynix’s profitability has entered a new regime. In the first quarter of 2026, the company reported revenue of 52.58 trillion won — the first time it has crossed the 50 trillion threshold — and an operating profit of 37.6 trillion won, yielding an operating margin of 72%. Net income topped 40 trillion won. The strength flows from insatiable demand for high-bandwidth memory (HBM), high-capacity server DRAM modules, and enterprise SSDs, with customer orders still outstripping production capacity. Memory-chip prices doubled in Q1 2026, and the current quarter is expected to see an additional increase of up to 63%, according to market observers. The pricing pressure is even rippling into automotive and smartphone segments, where conventional chips are growing scarce.

Mirae Asset Securities responded by lifting its price target on SK Hynix from 3.2 million won to 3.8 million won — an 18.8% boost. Analyst Kim Young-gun justified the move not by raising earnings estimates but by reassessing valuation multiples. The price-to-book ratio was bumped from 5.3 to 6.2, based on an expected average return on equity of 66% for the 2026-2028 period, compared with a ten-year average of just 19%. Higher memory prices and an increasing share of long-term supply contracts underpin that outlook. The bull case has shifted from “next quarter looks strong” to “profitability will be structurally higher for years.”

The company is backing that thesis with investment. Plans are underway to ramp up the M15X fab, develop the Yongin cluster, and procure additional EUV lithography equipment. Its balance sheet is equally robust: net cash stands at 35 trillion won, debt has been trimmed by nearly 3 trillion, and liquidity has been boosted by over 19 trillion won. Since hitting a 52-week low of 509,635 won in October 2025, the stock has more than quadrupled, and the year-to-date gain stands at 238%. On Friday morning, shares traded at 2,338,000 won, up 2.14%, with the relative strength index near 69 — still in neutral-to-moderately-overbought territory, suggesting no imminent correction.

Yet the rally’s staying power hinges on execution. The next milestone — Mirae’s 3.8 million won target, implying another 66% upside — depends on SK Hynix expanding HBM delivery volumes in the second half of the year as planned. The company is also defending an unprecedented operating margin above 70%, a level that analysts will scrutinise when second-quarter results emerge. The trillion-dollar threshold has been crossed. Whether it holds will be determined by the interplay of ETF-driven flows, semiconductor pricing cycles, and the ability to keep the HBM production lines running at full throttle.