Behind SK Hynix’s Nasdaq Windfall: A Calculated Slowdown on HBM4 as DDR5 Margins Hit 90%
Published on 07/12/2026 at 03:41 | Redaktion boerse-global.de
SK Hynix has just pulled off the largest Nasdaq listing in its history, netting $26.5 billion from 177.9 million American Depositary Shares priced at $149 apiece — demand was more than seven times oversubscribed. Yet the same week brought a 10.10% decline in the Seoul-listed stock, which closed Friday at 2,180,000 Won. The contrasting signals are not contradictory; they reflect a deliberate strategic recalibration that puts near-term profit ahead of next-generation flash.
The South Korean memory giant is deliberately throttling its ramp-up of HBM4, the next iteration of high-bandwidth memory crucial for artificial intelligence chips. Instead, the company is converting production lines originally earmarked for the HBM4 retooling back to conventional DDR5 DRAM. The decision postpones meaningful HBM4 volumes to the third quarter of 2026, according to industry tracker TrendForce, which has slashed its full-year shipment forecast from 4.5 billion to 4 billion gigabit-equivalent units.
The arithmetic behind the shift is straightforward. Analysts project operating margins on DDR5 will approach 90% this year — far juicier than rushing the next HBM generation to market. DRAM contract prices surged 90–95% quarter-on-quarter in the first three months of 2026, and SK Hynix reported a 60% sequential increase in its own average selling price for DRAM. New fabs from SK Hynix (M15X) and Micron (Idaho) will not deliver meaningful output before mid-2027, and Samsung’s Pyeongtaek plant (P5) is not expected to start until 2028. That supply constraint gives SK Hynix every incentive to milk the DDR5 boom.
Should investors sell immediately? Or is it worth buying SK Hynix?
The timing is backed by a record quarter. SK Hynix posted revenue of 52.5763 trillion Won for Q1 2026 — the first time quarterly sales have crossed the 50 trillion Won threshold — along with operating profit of 37.6103 trillion Won, yielding an operating margin of 72%. The entire 2026 HBM inventory was already sold out by the start of the year, so accelerating HBM4 would have brought little incremental revenue. Chairman Chey Tae-won had warned in March of a global wafer shortage that could persist until 2030, with new capacity taking four to five years to build and a projected supply gap exceeding 20%.
The market’s reaction — a 10% weekly drop — looks more like profit-taking after a staggering rally than a vote of no confidence. The stock is still up 222.01% year-to-date and 343.54% from its 52-week low of 491,500 Won set in October 2025. Friday’s close sits just 1.76% above the 50-day moving average of 2,142,220 Won, a slim cushion that will be watched closely this week. A break below that level would open the door to the 100-day average near 1,565,950 Won, though the 14-day RSI of 46.1 suggests the stock is not oversold and has room to consolidate.
The upcoming days offer three catalysts that could determine near-term direction. On Monday, July 13, SK Hynix begins regular Nasdaq trading under the permanent ticker SKHY. On Tuesday, July 14, the Cboe will list two single-stock leveraged ETFs — Leverage Shares 2x Long SK Hynix (SKHX) and Leverage Shares 1x Short SK Hynix (SKHZ) — which are likely to amplify intraday swings. Then on Wednesday, July 22, Q2 2026 earnings will reveal whether the AI memory boom is translating into sustained profit growth.
While bearish arguments point to intensifying competition from Samsung and Micron in HBM and the historically cyclical nature of the memory market, the $26.5 billion in fresh Nasdaq capital gives SK Hynix firepower to expand both its Korean fabs and advanced packaging capacity. For now, management is betting that the highest margins lie in DDR5 — and that HBM4 can wait a few more quarters.
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