SKHY vs. STX: SK hynix vs. Seagate Stock Comparison
How do SK hynix (SKHY) and Seagate (STX) stack up? This page sets them side by side across company profile, performance and risk, profitability, growth, financial strength, dividends, and valuation, with selected fundamentals also measured against each stock's industry-group peers.
Company Profile
SK hynix (SKHY) and Seagate (STX) share the Information Technology sector but sit in different industry groups — SKHY in Semiconductors & Semiconductor Equipment and STX in Technology Hardware & Equipment.
Seagate (STX) has been public since December 11, 2002, giving it decades of market history across multiple cycles, while SK hynix (SKHY) listed only on July 10, 2026 and lacks comparable through-cycle data.
Seagate (STX) trades as ordinary local shares, while SK hynix (SKHY) trades as an ADR — compare with FX exposure, depositary-program fees, and dividend-withholding-tax differences in mind.
| Profile Item | SKHY | STX |
|---|---|---|
| Name | SK hynix Inc. | Seagate Technology Holdings plc |
| Country/Region | South Korea | Singapore |
| GICS Sector | Information Technology | Information Technology |
| GICS Industry Group | Semiconductors & Semiconductor Equipment | Technology Hardware & Equipment |
| GICS Industry | Semiconductors & Semiconductor Equipment | Technology Hardware, Storage & Peripherals |
| GICS Sub-Industry | Semiconductors | Technology Hardware, Storage & Peripherals |
| Market Capitalization | 897.97 billion USD | 105.83 billion USD |
| Currency | USD | USD |
| Exchange | Nasdaq | Nasdaq |
| Listing Date | July 10, 2026 | December 11, 2002 |
| Security Type | ADR | Common Stock |
Price Performance
Cumulative Growth
Trailing Returns
Calendar-Year Returns
Performance Metrics
| Metric | SKHY | STX |
|---|---|---|
| Total Return (1Y) | -- | 83.77% |
| Total Return (3Y, Annualized) | -- | 95.95% |
| Total Return (5Y, Annualized) | -- | 42.73% |
Risk Profile
Drawdown History
Return Distribution
Risk Metrics
| Metric | SKHY | STX |
|---|---|---|
| Volatility (1Y, Annualized) | 101.44% | 76.96% |
| Beta (5Y) | 5.36 | 2.24 |
| Max Drawdown (5Y) | -37.62% | -57.80% |
| Avg. Volume (3M) | 20.78M | 4.72M |
Risk-Adjusted Performance
Risk-Return Positioning
Both SKHY and STX need 1-year volatility and 1-year return to plot risk-return positioning.
Risk-Adjusted Metrics
| Metric | SKHY | STX |
|---|---|---|
| Sharpe Ratio (1Y) | -- | 1.03 |
| Sortino Ratio (1Y) | -- | 1.51 |
Profitability
ROE (TTM)
Both SK hynix (SKHY) at 92.54% and Seagate (STX) at 259.35% turn shareholders’ equity into profit at rates above their industry benchmark ranges for ROE. That is a strong capital-efficiency signal, though leverage and the equity base still matter.
SKHY
Semiconductors & Semiconductor Equipment industry group
92.54%
- SKHY
- 92.54%
- Max
- 52.82%
- Q3
- 22.26%
- Median
- 10.58%
- Q1
- 1.29%
- Min
- -16.89%
STX
Technology Hardware & Equipment industry group
259.35%
- STX
- 259.35%
- Max
- 42.47%
- Q3
- 19.13%
- Median
- 11.00%
- Q1
- 1.63%
- Min
- -20.62%
Net Margin (TTM)
Both SK hynix (SKHY) at 70.27% and Seagate (STX) at 31.86% keep an unusually large share of revenue as bottom-line profit — each net margin clears its industry’s benchmark range.
SKHY
Semiconductors & Semiconductor Equipment industry group
70.27%
- SKHY
- 70.27%
- Max
- 63.80%
- Q3
- 28.36%
- Median
- 11.44%
- Q1
- 0.90%
- Min
- -37.77%
STX
Technology Hardware & Equipment industry group
31.86%
- STX
- 31.86%
- Max
- 27.60%
- Q3
- 11.66%
- Median
- 4.08%
- Q1
- 0.00%
- Min
- -11.02%
Operating Margin (TTM)
Before financing and tax, both SK hynix (SKHY) at 79.66% and Seagate (STX) at 48.85% run unusually efficient core operations — each operating margin clears its industry’s benchmark range.
SKHY
Semiconductors & Semiconductor Equipment industry group
79.66%
- SKHY
- 79.66%
- Max
- 58.66%
- Q3
- 30.23%
- Median
- 15.91%
- Q1
- 7.54%
- Min
- -25.74%
STX
Technology Hardware & Equipment industry group
48.85%
- STX
- 48.85%
- Max
- 36.27%
- Q3
- 18.36%
- Median
- 8.84%
- Q1
- 1.46%
- Min
- -21.39%
Profitability Metrics
| Metric | SKHY | STX |
|---|---|---|
| ROE (TTM) | 92.54% | 259.35% |
| ROA (TTM) | 46.43% | 37.21% |
| Net Margin (TTM) | 70.27% | 31.86% |
| Operating Margin (TTM) | 79.66% | 48.85% |
| Gross Margin (TTM) | 77.38% | 50.35% |
Growth
Revenue Growth
Both SK hynix (SKHY) at 46.76% and Seagate (STX) at 34.06% sit in the top peer quartile for revenue growth, so each is growing its top line faster than typical industry peers.
EPS Growth
Both SK hynix (SKHY) at 112.46% and Seagate (STX) at 105.32% sit in the top peer quartile for EPS growth, so each is compounding per-share earnings faster than typical industry peers.
Growth Metrics
| Metric | SKHY | STX |
|---|---|---|
| Revenue Growth (YoY) | 46.76% | 34.06% |
| Revenue Growth (3Y CAGR) | 29.61% | 18.20% |
| EPS Growth (YoY) | 112.46% | 105.32% |
| EPS Growth (3Y CAGR) | 165.07% | -- |
Financial Strength
Current Ratio (MRQ)
Seagate (STX) at 1.82 keeps current ratio within its industry’s typical mid-range, while SK hynix (SKHY) at 26.88 sits above its industry’s typical mid-range — comfortable liquidity, though possibly with more idle current assets relative to peers.
SKHY
Semiconductors & Semiconductor Equipment industry group
26.88
- SKHY
- 26.88
- Max
- 10.33
- Q3
- 5.62
- Median
- 3.33
- Q1
- 2.35
- Min
- 1.03
STX
Technology Hardware & Equipment industry group
1.82
- Max
- 5.34
- Q3
- 3.02
- Median
- 1.95
- STX
- 1.82
- Q1
- 1.32
- Min
- 0.17
Debt / Equity (MRQ)
Both SK hynix (SKHY) at 0.05 and Seagate (STX) at 0.77 fund their balance sheets with roughly industry-typical debt-to-equity mixes.
SKHY
Semiconductors & Semiconductor Equipment industry group
0.05
- Max
- 1.46
- Q3
- 0.65
- Median
- 0.27
- SKHY
- 0.05
- Q1
- 0.04
- Min
- 0.00
STX
Technology Hardware & Equipment industry group
0.77
- Max
- 1.76
- Q3
- 0.78
- STX
- 0.77
- Median
- 0.24
- Q1
- 0.04
- Min
- 0.01
Financial Strength Metrics
| Metric | SKHY | STX |
|---|---|---|
| Current Ratio (MRQ) | 26.88 | 1.82 |
| Debt / Equity (MRQ) | 0.05 | 0.77 |
| Net Debt / EBITDA | -0.46 | 0.24 |
Dividends
Dividend Yield (TTM)
Seagate (STX) at 0.63% earns its spot in the top quartile of its industry’s yields; SK hynix (SKHY) at 2,118.64% is past the top of its own peer range — territory where a dividend-safety check matters more than the headline number.
SKHY
Semiconductors & Semiconductor Equipment industry group
2,118.64%
- SKHY
- 2,118.64%
- Max
- 1.37%
- Q3
- 0.65%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
STX
Technology Hardware & Equipment industry group
0.63%
- Max
- 0.73%
- STX
- 0.63%
- Q3
- 0.31%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Payout Ratio (TTM)
SK hynix (SKHY) pays no dividend (payout 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile Seagate (STX) reports a payout of 15.52%, ranking against industry peers normally.
SKHY
Semiconductors & Semiconductor Equipment industry group
0.00%
- Max
- 49.64%
- Q3
- 21.71%
- SKHY
- 0.00%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
STX
Technology Hardware & Equipment industry group
15.52%
- Max
- 32.27%
- STX
- 15.52%
- Q3
- 14.48%
- Median
- 0.00%
- Q1
- 0.00%
- Min
- 0.00%
Dividend Metrics
| Metric | SKHY | STX |
|---|---|---|
| Dividend Yield (TTM) | 2,118.64% | 0.63% |
| Dividend Payout Ratio (TTM) | 0.00% | 15.52% |
Valuation
P/E Ratio (TTM)
SK hynix (SKHY) at 8.12 sits in the cheaper P/E ratio quartile, while Seagate (STX) at 24.17 is closer to its industry’s usual earnings multiple — a discount for SKHY, though growth and earnings durability still matter.
SKHY
Semiconductors & Semiconductor Equipment industry group
8.12
- Max
- 110.34
- Q3
- 66.81
- Median
- 37.02
- Q1
- 23.96
- SKHY
- 8.12
- Min
- 8.12
STX
Technology Hardware & Equipment industry group
24.17
- Max
- 69.48
- Q3
- 41.02
- Median
- 26.39
- STX
- 24.17
- Q1
- 19.36
- Min
- 6.07
P/S Ratio (TTM)
SK hynix (SKHY) at 0.00 looks cheap on sales in the lower P/S ratio quartile, while Seagate (STX) at 7.67 looks rich in the upper quartile — a clear gap in price per dollar of revenue.
SKHY
Semiconductors & Semiconductor Equipment industry group
0.00
- Max
- 21.42
- Q3
- 12.27
- Median
- 5.76
- Q1
- 2.73
- SKHY
- 0.00
- Min
- 0.00
STX
Technology Hardware & Equipment industry group
7.67
- Max
- 11.30
- STX
- 7.67
- Q3
- 5.82
- Median
- 2.56
- Q1
- 1.05
- Min
- 0.00
P/B Ratio (MRQ)
SK hynix (SKHY) at 3.95 sits near its industry’s typical P/B ratio, while Seagate (STX) at 30.67 prices above its benchmark range — STX looks rich relative to book.
SKHY
Semiconductors & Semiconductor Equipment industry group
3.95
- Max
- 14.06
- Q3
- 7.44
- Median
- 4.29
- SKHY
- 3.95
- Q1
- 2.30
- Min
- 0.20
STX
Technology Hardware & Equipment industry group
30.67
- STX
- 30.67
- Max
- 10.75
- Q3
- 5.52
- Median
- 3.17
- Q1
- 1.79
- Min
- 0.33
Valuation Metrics
| Metric | SKHY | STX |
|---|---|---|
| P/E Ratio (TTM) | 8.12 | 24.17 |
| P/S Ratio (TTM) | 0.00 | 7.67 |
| P/B Ratio (MRQ) | 3.95 | 30.67 |
| Free Cash Flow Yield (TTM) | -- | 2.17% |