SK hynix Inc.
$1764000.00-78000.00Market Cap
$728.3B
Global Rank
#17
All-Time High
$1.24T
2026-12-31
Total Growth
+0%
since 2026
Market Cap Context
- Larger than 95% of the 367 companies we track (globally).
- Equivalent to 38.9% of South Korea's GDP (2025 data).
- Just above: #16 Advanced Micro Devices, Inc. ($774.3B)
- Just below: #18 Berkshire Hathaway Inc. ($727.1B)
- Best year: 2025 (+278%). Worst year: 2008 (-73%).
SK hynix Inc. Financial Breakdown (FY 2025)
Source: Yahoo Finance โ 000660.KS annual filings (2025) (converted from KRW at 1350.0) โ$72.0B revenue ยท $35.0B operating income ยท $31.8B net income
- โOperating margin: 48.6% on $72.0B in revenue.
- โR&D is 6.7% of revenue ($4.8B).
- โNet income margin: 44.2% โ $31.8B in profit.
- โFree cash flow: $18.4B (25.5% of revenue).
Cost / Operating Expenses
Total operating expenses $37.0B
Total
$34.7B
Capital Expenditures
$21.2B
This fiscal year (near-total AI infrastructure buildout)
Free Cash Flow
$18.4B
Trailing twelve months
Figures rounded from the annual SEC filing. Unaudited. For informational purposes only, not investment advice.
Fundamentals (TTM)
Data: Financial Modeling PrepP/E
โ
EPS
โ
Net margin
โ
ROE
โ
Dividend yield
โ
Debt / Equity
โ
About SK hynix Inc.
SK Hynix Inc., stylized SK hynix, is a South Korean semiconductor company that manufactures dynamic random-access memory (DRAM) chips and flash memory chips. SK Hynix is one of the world's largest semiconductor vendors, and along with Samsung Electronics and Micron is one of the "Big Three" memory manufacturers.
SK hynix Inc. Market Cap History (2026โ2026)
SK hynix Inc. vs Sector Peers by Market Cap
Compare SK hynix Inc.
Ranking History
| Year | Market Cap | Rank | YoY Change |
|---|---|---|---|
| 2026 | $728.3B | #17(โ16) | +119.3% |
| 2025 | $332.1B | #33(โ111) | +278.3% |
| 2024 | $87.8B | #144(โ9) | +23.7% |
| 2023 | $70.9B | #153(โ79) | +91.1% |
| 2022 | $37.1B | #232(โ80) | -41.5% |
| 2021 | $63.5B | #152 | +11.7% |
| 2020 | $56.8B | #152(โ11) | +27.3% |
| 2019 | $44.7B | #163(โ35) | +59.5% |
| 2018 | $28.0B | #198(โ33) | -19.8% |
| 2017 | $34.9B | #165(โ48) | +73.4% |
| 2016 | $20.1B | #213(โ22) | +47.8% |
| 2015 | $13.6B | #235(โ54) | -35.2% |
| 2014 | $21.0B | #181(โ18) | +29.8% |
| 2013 | $16.2B | #199(โ4) | +42.9% |
| 2012 | $11.3B | #195(โ8) | +17.3% |
| 2011 | $9.7B | #187(โ2) | -7.4% |
| 2010 | $10.4B | #189(โ6) | +5.6% |
| 2009 | $9.9B | #183(โ62) | +275.3% |
| 2008 | $2.6B | #245(โ55) | -73.0% |
| 2007 | $9.8B | #190(โ44) | -27.8% |
| 2006 | $13.5B | #146(โ18) | +5.8% |
| 2005 | $12.8B | #128(โ83) | +224.4% |
| 2004 | $3.9B | #211(โ22) | +140.2% |
| 2003 | $1.6B | #233 |
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FAQ
What is SK hynix Inc.'s market cap?
SK hynix Inc. (000660.KS) has a market capitalization of $728.3B, making it the #17 largest company in the world by market cap.
What was SK hynix Inc.'s highest market cap?
SK hynix Inc.'s all-time high market cap was $1.24T, reached in 2026-12-31. Its highest rank was #17 in 2026.
What sector is SK hynix Inc. in?
SK hynix Inc. is in the Technology sector, specifically the Semiconductors industry. It is based in South Korea.
How has SK hynix Inc.'s market cap changed over time?
SK hynix Inc. has been tracked since 2026. Its market cap has grown by 0% from $728.3B in 2026 to $728.3B today.