SK hynix
Daily close in US$ at the latest USD/KRW close. Source: KRX via FinanceDataReader.
SK hynix is a South Korean integrated device manufacturer (IDM), meaning it handles both the design and fabrication of semiconductors in-house.
The company specializes in memory chips, primarily DRAM, the type of volatile memory used to run active processes in computers and servers, and NAND flash, a form of non-volatile storage found in smartphones, solid-state drives, and data-center equipment. Its products flow into a broad range of end markets, including consumer electronics, enterprise computing, and mobile devices. SK hynix operates as a vertically integrated producer, running its own fabrication plants rather than outsourcing manufacturing to a foundry.
Summary is AI-generated and may contain errors · figures from DART filings
SK hynix is part of the SK Group, one of South Korea's large family-controlled conglomerates known as chaebols, and is listed on the KOSPI, Korea's main stock exchange.
SK hynix in five facts
What does SK hynix do?
SK hynix is a South Korean integrated device manufacturer (IDM), meaning it handles both the design and fabrication of semiconductors in-house.
Where is SK hynix listed and in which sector?
SK hynix (Korean name: SK하이닉스) trades under KRX code 000660 on KOSPI, the main board of the Korea Exchange. It is classified in the Information Technology sector, Semiconductors.
How large is SK hynix?
Its market capitalisation was US$348.8B on 2026-10-21, which puts it in this site's large-cap group. US$ amounts are converted from won at 1 USD ≈ ₩1,325 (2026-10-21).
What were SK hynix's latest annual revenue and operating profit?
For fiscal year 2025, SK hynix reported revenue of US$73.3B, operating profit of US$35.6B and net income of US$32.4B, per its annual report on DART (data retrieved from DART on 2026-06-04). Revenue was up 46.8% on the previous year.
Where does this data come from?
Financial statements and filings come from DART, Korea's official corporate-filing system. Share prices, market capitalisation and trading status come from KRX. Company summaries are AI-generated from the filings and may contain errors; financial figures are mapped directly from DART.
Data sources and last updated
- Filings and financial statements
- DART (dart.fss.or.kr), Korea's official corporate-filing system
- Prices, market cap, trading status
- KRX (Korea Exchange), via FinanceDataReader
- Latest annual financials
- Fiscal year 2025, data retrieved from DART on 2026-06-04
- Share price and market cap
- Close of 2026-10-21
- Currency
- US$, converted from won at 1 USD ≈ ₩1,325 (2026-10-21 close)
- Company data updated
- 2026-10-21
- Company summary
- AI-generated from filings; may contain errors. Information only, not investment advice.
- Investor relations (IR) meeting (notice)Oct 14
- DisclosureOct 6
- Report on securities held by executives/major shareholdersSep 30
- Report on securities held by executives/major shareholdersSep 22
- Reply to exchange inquiry (rumor/report) (unconfirmed)Sep 18
- Reply to exchange inquiry (rumor/report) (unconfirmed)Sep 9
- Clarification of rumor or media report (unconfirmed)Sep 4
- Treasury share disposal: results report
SK hynix reports disposal of 82 treasury common shares to an independent director on 2026-08-19 at US$1.08K per share (the closing price that day), for total proceeds of US$88.4K, matching the planned disposal exactly.
Treasury Shares · Aug 21 - Material event report (treasury share acquisition)
SK hynix disclosed a plan to buy back its own shares worth US$28.8B, about 8.7% of its market value.
Treasury Shares · Aug 19 - Cash/in-kind dividend decision
SK hynix declared a cash dividend of US$0.26 per share, equal to about 0.02% of the recent share price.
Dividend · Aug 7 - Material event report (treasury share disposal)
SK hynix disclosed a plan to sell treasury shares worth US$86.2K, about 0.0% of its market value.
Treasury Shares · Aug 7 - Operating results (consolidated) (preliminary) (fair disclosure)
SK hynix filed provisional (unaudited) consolidated results for Q2 2026: revenue of US$55B (+256.8% year on year), operating profit of US$42B (+557.2% year on year) and net income of US$65.1B (+1242.5% year on year).
Earnings · Jul 29 - Results of rights offering or equity-linked bond issuance (voluntary)
SK hynix issued 17,790,000 new common shares (actual proceeds US$26.8B) via third-party placement to Citibank, N.A. as depositary for an ADR offering totaling USD 26,507,100,000, with payment on 2026-07-14.
Capital raise · Jul 15 - [Amended] Material event report (rights offering)
SK hynix updated the terms of a private placement (third-party allotment) to raise US$26.6B, about 8.7% of its market value.
Capital raise · Jul 10 · 3 versions - Material event report (treasury share disposal)
SK hynix disclosed a plan to sell treasury shares worth US$9.52M, about 0.0% of its market value.
Treasury Shares · May 13 - Treasury share disposal: results reportTreasury Shares · May 7
- Decision to redeem own exchangeable bonds earlyCapital raise · Apr 28
- Operating results (consolidated) (preliminary) (fair disclosure)
SK hynix filed provisional (unaudited) consolidated results for Q1 2026: revenue of US$35.5B (+198.1% year on year), operating profit of US$25.4B (+405.5% year on year) and net income of US$27.3B (+397.6% year on year).
Earnings · Apr 23 - Cash/in-kind dividend decision
SK hynix declared a cash dividend of US$0.25 per share, equal to about 0.03% of the recent share price.
Dividend · Apr 22 - Material event report (treasury share disposal)
SK hynix disclosed a plan to sell treasury shares worth US$10.4M, about 0.0% of its market value.
Treasury Shares · Apr 22 - Material event report (treasury share disposal)
SK hynix disclosed a plan to sell treasury shares worth US$5.48M, about 0.0% of its market value.
Treasury Shares · Mar 30 - [Amended] Rights offering (paid-in capital increase) decision (subsidiary)Capital raise · Mar 3 · 2 versions
- [Amended] Business acquisition decision (subsidiary)M&A · Mar 3
- [Amended] Business transfer (sale) decision (subsidiary)M&A · Mar 3
- [Amended] Decision to acquire shares/equity in another company
SK hynix updated the disclosed terms of an acquisition of SK hynix NAND Product Solutions Corp., now worth US$9.93B.
M&A · Mar 3 - [Amended] Rights offering (paid-in capital increase) decision (subsidiary)Capital raise · Feb 13 · 2 versions
- [Amended] Business acquisition decision (subsidiary)M&A · Feb 13 · 2 versions
- [Amended] Business transfer (sale) decision (subsidiary)M&A · Feb 13 · 2 versions
- [Amended] Decision to acquire shares/equity in another company
SK hynix updated the disclosed terms of an acquisition of SK hynix NAND Product Solutions Corp., now worth US$10B.
M&A · Feb 13 · 2 versions - Treasury share disposal: results reportTreasury Shares · Feb 6
- Operating results (consolidated) (preliminary) (fair disclosure)Earnings · Jan 28
- Change of 30% or more in revenue or profit/loss structure (15% for large companies)Earnings · Jan 28
- Cash/in-kind dividend decisionDividend · Jan 28
- Material event report (treasury share disposal)Treasury Shares · Jan 28