Pomegra
SK Hynix delivered record Q2 2026 operating profit of ₩60.5 trillion on surging AI memory demand but fell short of analyst estimates, sending shares sharply lower.
- Q2 2026 operating profit surged 557% year-over-year to ₩60.5 trillion, yet missed the ₩64 trillion LSEG SmartEstimate consensus.
- Revenue of ₩79.3 trillion, up 257% YoY, fell short of the ₩84 trillion analyst consensus; Seoul shares dropped as much as 11%.
- HBM4 mass shipments began at the SK Hynix fab in Q2; a full production ramp is targeted for the second half of 2026.
Lead
SK Hynix reported the most profitable quarter in its corporate history on July 29, 2026, posting second-quarter operating profit of ₩60.54 trillion (approximately $41.6 billion) — a 557% surge year-over-year — while revenue climbed 257% to ₩79.32 trillion. Despite setting new records across every major financial metric, results fell short of analyst forecasts, triggering a sharp selloff in which Seoul-listed shares declined as much as 11%.What Happened
The South Korean memory chips maker delivered net profit of ₩93.92 trillion in the second quarter, a more-than-twelvefold increase versus the year-earlier period, at a net margin of 118%. Operating margin reached 76%, up from 72% in the first quarter. On a sequential basis, revenue rose 51% and operating profit gained 61%.
For the first time in company history, cumulative first-half revenue surpassed 100 trillion won. The company ended the quarter with an 88 trillion won cash position and a net cash balance of 69.4 trillion won after total debt fell to 18.6 trillion won.
The headline numbers nonetheless missed the LSEG SmartEstimate consensus, which had projected operating profit of approximately ₩64 trillion and revenue near ₩84 trillion — shortfalls of roughly 5–6% on both lines.
Market Reaction
Seoul-listed shares fell as much as 11% following the release, reaching levels not seen since early May. U.S.-listed American depositary receipts declined approximately 2.4% in pre-market trading before recovering some ground. The reaction underscored a dynamic increasingly common in high-momentum technology stocks: when consensus expectations embed aggressive growth assumptions, even historic profits can disappoint.
The HBM4 Factor
The primary driver of the earnings miss was slower-than-anticipated HBM4 shipments from the SK Hynix fab, which deferred a portion of revenue into subsequent quarters. Although the company began mass shipments of its fourth-generation high-bandwidth memory chips during the second quarter — marking a significant product milestone — volumes fell below analyst models.
A structural pricing constraint compounded the gap. HBM products are sold under long-term, pre-negotiated contracts rather than at prevailing spot prices. As conventional DRAM spot prices rose roughly 30% quarter-over-quarter and NAND spot prices climbed approximately 50%, SK Hynix's fixed HBM contract pricing compressed its blended average selling price relative to a fully spot-priced product mix. This is an enduring feature of the company's product economics, not a single-quarter anomaly.
SK Hynix also disclosed it is supplying HBM4E samples — the enhanced variant of the fourth-generation product — to at least one major customer, signaling the next upgrade cycle is already in progress at its production facilities.
Strategic Context
SK Hynix has finalized long-term supply agreements with approximately 10 key customers and is in ongoing negotiations with additional major industry clients — a contracting framework designed to provide revenue visibility as it scales HBM4 capacity. Capital expenditure is expected to approach 50 trillion won, earmarked primarily for HBM4 expansion and next-generation NAND infrastructure across the SK Hynix fab network.
On NAND, 321-layer products now represent the largest share of output, with a target of reaching approximately 50% of domestic capacity by year-end. The transition supports both cost reduction and average selling price improvement as higher-density NAND commands a premium over legacy nodes.
AI Demand Outlook
Management described AI adoption as broadening structurally across industries, driving durable demand for high-bandwidth memory chips beyond the hyperscaler concentration that defined earlier phases of the AI infrastructure build-out. Combined first-half revenue of more than 130 trillion won represents a run rate that would have been unimaginable two years ago, anchoring the company's confidence in sustained demand through the AI hardware investment cycle.
Outlook
For the third quarter of 2026, SK Hynix projects DRAM bit shipments to increase approximately 10% sequentially, with NAND shipments rising in the low single digits. Full-year DRAM bit demand growth is forecast in the mid-20% range; NAND demand growth is expected in the high-teens percentage. The HBM4 production ramp through the second half remains the single most consequential variable for whether the company narrows the gap to — or widens it beyond — the elevated market expectations that record profits alone were insufficient to satisfy.
