SK Hynix000660.KS
About SK Hynix
SK Hynix is one of the world's largest memory-semiconductor manufacturers and a core affiliate of the SK Group, held through the group's investment company SK Square. The company produces DRAM and NAND flash memory used in servers, personal computers, smartphones, and other devices, and has become a leading supplier of high-bandwidth memory, a specialized DRAM product stacked for artificial-intelligence accelerators. Its NAND business expanded through the acquisition of Intel's flash memory operations, which included a manufacturing base in China. Nearly all revenue comes from memory chips, tying profitability directly to global memory supply and demand.
As a nearly pure-play memory producer, the company offers foreign investors more concentrated exposure to the semiconductor cycle than diversified peers, with correspondingly wider earnings swings between upturns and downturns. Its position in high-bandwidth memory links results to capital spending by a small set of AI-chip designers and data-center operators, a customer concentration investors monitor closely. Manufacturing capacity in China exposes it to United States export-control rules on advanced chipmaking equipment. The stock carries one of the largest weights in Korean equity indexes, and capital allocation between capacity investment and shareholder returns is a recurring focus.
The company began as Hyundai Electronics, founded in 1983 as the Hyundai Group's semiconductor arm. It absorbed LG Semicon in 1999 during a government-brokered industry consolidation, was separated from Hyundai amid financial distress, and operated as Hynix Semiconductor under creditor control through the early 2000s. The SK Group acquired the business in 2012 and renamed it SK Hynix, restoring investment capacity after years of underfunding. A later reorganization placed the shareholding under SK Square, the investment company split off from SK Telecom, so the chipmaker now anchors that intermediate holding structure within the wider SK Group.
Sales are made almost entirely to other corporations rather than consumers: server and data-center operators, smartphone brands, and PC manufacturers purchase memory under periodically negotiated contracts, with a portion of industry volume moving at spot prices. Product mix determines profitability, since advanced categories such as high-bandwidth memory for AI accelerators command far better economics than commodity chips, and qualification cycles with major customers create switching costs that protect incumbents. The company operates in a concentrated global oligopoly for DRAM alongside two large rivals, while its NAND position is broader and more contested. Exports dominate, making currency movements a meaningful earnings variable.
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SK Hynix coverage
24 articles
Microsoft Cuts 4,800 Jobs; $190B AI Spend Lifts SK Hynix
Microsoft (MSFT) said on Monday, July 6, that it is cutting about 4,800 jobs — roughly 2.1% of its global workforce — with the Xbox gaming division and its comm
Samsung (005930.KS), SK hynix ₩800T Chip Bet Stokes Tariff Risk
Samsung Electronics (005930.KS), the world's largest memory-chip maker, and SK hynix (000660.KS), Korea's second-biggest chipmaker and the leading supplier of h
Samsung (005930.KS), SK Hynix Drop Mattson Ahead of US Curbs
Samsung (005930.KS), SK Hynix Drop Mattson Ahead of US Curbs
Bank of Korea Flags KOSPI Concentration Risk as Samsung and SK Hynix ETFs Surge — While 'Chipflation' Hits Consumer Wallets
Bank of Korea warns Samsung and SK Hynix ETF concentration has reached 55.3% of KOSPI market cap, while chipflation pushes storage device prices up 45.6% year-on-year — highest among 458 CPI basket items.
Samsung (005930.KS), SK Hynix Rise 8–11% as Kospi Tops 8,000
South Korea's chip duo staged one of the sharpest reversals of the year on Friday, July 3, and the pattern of the move matters more than its size. The Kospi (Ko
SK Hynix Weighs Record $29B Nasdaq ADR as July 10 Debut Nears
SK Hynix targets up to $29B in Nasdaq ADRs (largest ADR ever), with July 10 trading start and BofA/GS/Citi/JPM as underwriters. Proceeds earmarked for Yongin fab and Cheongju P&T7 packaging plant.
₩350T Q2 Memory Surge: Samsung (005930.KS), SK Hynix Records
The global memory-chip market is on track to approach ₩350 trillion ($254 billion) in the second quarter of 2026, a figure that sets up record earnings for Kore
KOSPI Whipsaws to 5.8% as Funds Catch Samsung, SK Hynix Dip
South Korea's benchmark KOSPI index staged one of its wildest sessions of the year on Friday, July 3, swinging from a 3.5% intraday plunge to a sharp "V-shaped"
Samsung, SK Hynix and Celltrion Pledge KRW 392 Trillion to Chungcheong in Korea's 'Second Tokyo Declaration'
Samsung, SK Hynix CEO Kwak No-jeong and Celltrion commit KRW 392 trillion to Chungcheong as President Lee calls it Korea's 'second Tokyo Declaration.' Anthropic also eyes Samsung 2nm foundry.
SK Hynix Pledges ₩100 Trillion ($64B) for New Memory Capacity
SK Hynix CEO announces ₩100 trillion ($64B) Cheongju investment: ₩80T for NAND fab M17 (2029) and ₩20T for advanced HBM packaging (2027), as KOSPI fell 4.46% on AI capex fears.
SK Hynix Files Amended Nasdaq F-1, Disclosing KRW 11.94T EUV Equipment Budget Ahead of July 10 Debut
SK Hynix files amended SEC F-1, detailing KRW 11.94T for EUV equipment, KRW 31T for Yongin Y1 fab and KRW 19T for Cheongju HBM plant ahead of July 10 Nasdaq debut.
US Consumers File 'Chipflation' Antitrust Suit Against Samsung, SK Hynix and Micron in California Federal Court
US consumers and small businesses have filed a class action antitrust suit against Samsung, SK Hynix and Micron, alleging the DRAM oligopoly coordinated supply cuts — hiding behind the HBM pivot — to drive a 700% price surge in standard memory.
Foreign Investors Post All-Time KRX Net Sell Record of KRW 7.7 Trillion in Samsung, SK Hynix
Foreign investors offloaded a record KRW 7.7 trillion of Samsung Electronics and SK Hynix on June 29, while KOSPI closed just -0.2% as capital rotated into LG Energy Solution, Samsung SDI, and infrastructure stocks.
Binance Offers 50x Leverage on Samsung and SK Hynix Stocks, Bypassing Korea's Retail Safeguards
Binance lists 50x leveraged derivatives on Samsung, SK Hynix, and Hyundai Motor stocks, drawing USD 6.42B in volume while Korea's domestic leverage cap sits at 2x for retail investors.
Apple Lobbies Trump for CXMT Memory Clearance, Putting SK Hynix and Samsung Pricing Power at Risk
Apple is pressing the Trump administration to allow DRAM purchases from China's CXMT, a DoD-blacklisted chipmaker. The move could erode pricing leverage held by SK Hynix and Samsung Electronics in the global memory market.
Samsung and SK Hynix Set for 'Unprecedented' South Jeolla Chip Cluster as Regional Stocks Hit 30% Limits
Samsung Electronics and SK Hynix are set to reveal an unprecedented semiconductor investment in Gwangju and South Jeolla Province, sending regional stocks to 30% daily limits.
SK Hynix Sets July 10 Nasdaq Debut, Aiming to Raise Up to $29 Billion in Record ADR Sale
Apple Presses White House for CXMT Chip Clearance, Posing First Competitive Threat to Samsung and SK Hynix's Apple Account
Apple is lobbying the Trump administration for assurances that China's CXMT will not be added to the Entity List, a move that would open the door for Chinese DRAM in Apple devices and challenge Samsung (005930.KS) and SK Hynix (000660.KS), which together control ~70% of global DRAM supply. Memory prices have quadrupled over three quarters, prompting Apple to raise product prices by USD 100–500.
KRX Puts Brakes on Weekly Options for Samsung, SK Hynix, Hyundai Motor and LG Energy Solution as KOSPI Volatility Forces Rethink
South Korea's Korea Exchange indefinitely postpones the June 29 launch of weekly single-stock options for Samsung Electronics, SK Hynix, Hyundai Motor, and LG Energy Solution amid a 10% KOSPI decline and USD 13.2 billion in foreign outflows.
Korea's Presidential Chip Push: Samsung, SK Hynix to Sign KRW 300T Honam Cluster June 29 as Yongin Fast-Tracked a Decade
President Lee meets Samsung Chairman Lee Jae-yong June 25 to finalize KRW 300T+ Honam semiconductor cluster, signing set June 29-30 in Gwangju. Yongin mega-cluster pulled forward by a decade to 2034-35 alongside Samsung KRW 110T capex commitment.
KOSPI Eyes Historic 9,000 as SK Hynix Extends Market-Cap Crown on Micron Earnings Beat
South Korea's KOSPI surged 5.6% toward 9,000 on Thursday as SK Hynix jumped 11.6%, extending its new role as Korea's largest listed company after Micron's AI-driven earnings beat.
SK Hynix Confirms Nasdaq ADR Listing on July 10, to Raise Up to KRW 45.5 Trillion for Yongin Chip Cluster
SK Hynix board approved a Nasdaq ADR listing on July 10, issuing 17.79 million new shares worth KRW 45.5 trillion (~USD 29B) to fund the Yongin chip cluster, Cheongju packaging fab, and EUV tools. The deal would top Alibaba's record 2014 US offering.
KOSPI Plunges 9.99%, Triggering Circuit Breaker, as Samsung and SK Hynix Each Lose Over 12% in Largest Single-Day Crash of 2026
South Korea's KOSPI fell 9.99% to 8,203.84 on June 23, 2026 — its steepest single-day drop of the year — as Samsung Electronics and SK hynix each shed more than 12%, triggering a full circuit breaker halt.
Samsung and SK Hynix Target Hundreds of Trillions of Won in Honam and Chungcheong Semiconductor Clusters as Minister Urges Speed
Samsung Electronics and SK Hynix are reviewing plans to build semiconductor fab clusters in Honam and Chungcheong regions, with investment discussed at hundreds of trillions of won as Korea's industry minister urges speed.
Frequently asked questions
What does SK Hynix do?
SK Hynix is one of the world's largest memory-semiconductor makers, producing DRAM and NAND flash used in servers, smartphones, and PCs. It is a leading supplier of high-bandwidth memory for artificial-intelligence accelerators and operates as a core affiliate of South Korea's SK Group, selling chips to technology companies worldwide.
Who controls SK Hynix?
SK Square, the investment holding company of the SK Group, is the largest shareholder, and the group is ultimately steered by the founding Chey family through SK Inc. The remaining shares are widely held, with Korea's National Pension Service and foreign institutional investors among the most significant owners.
How can foreign investors get exposure to SK Hynix?
SK Hynix trades on the Korea Exchange under ticker 000660 and carries one of the largest weights in Korean equity benchmarks. Foreign investors typically buy the Seoul-listed shares through brokers that offer Korean market access, or gain indirect exposure through Korea-focused and Asia semiconductor ETFs that hold the stock.
Answers are editorial summaries for general information, not investment advice.
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