Seek Returns

SKHY vs. STM: SK hynix vs. STMicroelectronics Stock Comparison

How do SK hynix (SKHY) and STMicroelectronics (STM) 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 STMicroelectronics (STM) are both classified in the Semiconductors sub-industry within the broader Semiconductors & Semiconductor Equipment industry, placing them in the closest GICS peer bucket.

STMicroelectronics (STM) has been public since December 8, 1994, 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.

Both SK hynix (SKHY) and STMicroelectronics (STM) trade as ADRs — their core financials are comparable, but keep FX, depositary-program fees, and dividend withholding in view for each.

Company profile comparison for SK hynix (SKHY) and STMicroelectronics (STM)
Profile ItemSKHYSTM
NameSK hynix Inc.STMicroelectronics N.V.
Country/RegionSouth KoreaSwitzerland
GICS SectorInformation TechnologyInformation Technology
GICS Industry GroupSemiconductors & Semiconductor EquipmentSemiconductors & Semiconductor Equipment
GICS IndustrySemiconductors & Semiconductor EquipmentSemiconductors & Semiconductor Equipment
GICS Sub-IndustrySemiconductorsSemiconductors
Market Capitalization897.97 billion USD37.30 billion USD
CurrencyUSDUSD
ExchangeNasdaqNYSE
Listing DateJuly 10, 2026December 8, 1994
Security TypeADRADR

Price Performance

Cumulative Growth

SKHY
STM
GSPC
Loading price history…
SK hynix (SKHY) vs. STMicroelectronics (STM), with S&P 500 (GSPC) for reference: Growth of a $10,000 investment over the past five years. Adjusted for dividends and splits.

Trailing Returns

Loading price history…
Trailing total returns for SK hynix (SKHY) and STMicroelectronics (STM). Returns over one year are annualized.

Calendar-Year Returns

Loading price history…
Calendar-year total returns for SK hynix (SKHY) and STMicroelectronics (STM). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for SK hynix (SKHY) and STMicroelectronics (STM)
MetricSKHYSTM
Total Return (1Y)--90.64%
Total Return (3Y, Annualized)--4.24%
Total Return (5Y, Annualized)---1.95%

Risk Profile

Drawdown History

SKHY
STM
GSPC
Loading price history…
SK hynix (SKHY) vs. STMicroelectronics (STM), with S&P 500 (GSPC) for reference: Drawdown from the running peak over the past five years. Each line shows the decline from its prior peak; 0% marks a new high.

Return Distribution

Loading price history…
Distribution of monthly total returns for SK hynix (SKHY) and STMicroelectronics (STM). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for SK hynix (SKHY) and STMicroelectronics (STM)
MetricSKHYSTM
Volatility (1Y, Annualized)101.44%62.24%
Beta (5Y)5.362.00
Max Drawdown (5Y)-37.62%-66.66%
Avg. Volume (3M)20.78M9.18M

Risk-Adjusted Performance

Risk-Return Positioning

Both SKHY and STM need 1-year volatility and 1-year return to plot risk-return positioning.

Risk-Adjusted Metrics

Risk-adjusted metrics for SK hynix (SKHY) and STMicroelectronics (STM)
MetricSKHYSTM
Sharpe Ratio (1Y)--1.39
Sortino Ratio (1Y)--2.07

Profitability

ROE (TTM)

SK hynix (SKHY) at 92.54% clears its industry range for ROE, a sharper capital-efficiency signal than STMicroelectronics (STM) at 2.95%, which is closer to a typical peer reading.

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%

STM

Semiconductors & Semiconductor Equipment industry group

2.95%

Max
52.82%
Q3
22.26%
Median
10.58%
STM
2.95%
Q1
1.29%
Min
-16.89%
Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their ROE against the Semiconductors & Semiconductor Equipment industry group benchmark.

Net Margin (TTM)

SK hynix (SKHY) at 70.27% converts revenue to bottom-line profit above its industry’s benchmark range, while STMicroelectronics (STM) at 3.80% keeps roughly the typical share for its industry.

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%

STM

Semiconductors & Semiconductor Equipment industry group

3.80%

Max
63.80%
Q3
28.36%
Median
11.44%
STM
3.80%
Q1
0.90%
Min
-37.77%
Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their net margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Operating Margin (TTM)

SK hynix (SKHY) at 79.66% turns sales into operating profit above its industry’s benchmark range, while STMicroelectronics (STM) at 11.10% operates around its industry’s norm.

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%

STM

Semiconductors & Semiconductor Equipment industry group

11.10%

Max
58.66%
Q3
30.23%
Median
15.91%
STM
11.10%
Q1
7.54%
Min
-25.74%
Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their operating margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for SK hynix (SKHY) and STMicroelectronics (STM)
MetricSKHYSTM
ROE (TTM)92.54%2.95%
ROA (TTM)46.43%2.63%
Net Margin (TTM)70.27%3.80%
Operating Margin (TTM)79.66%11.10%
Gross Margin (TTM)77.38%35.53%

Growth

Revenue Growth

SK hynix (SKHY) at 46.76% sits in the top revenue growth quartile, while STMicroelectronics (STM) at -11.07% is in the bottom quartile, showing a clear gap in revenue momentum.

Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their Revenue Growth across different time periods.

EPS Growth

SK hynix (SKHY) at 112.46% sits in the top EPS growth quartile, while STMicroelectronics (STM) at -89.16% is in the bottom quartile, showing a clear gap in earnings momentum.

Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for SK hynix (SKHY) and STMicroelectronics (STM)
MetricSKHYSTM
Revenue Growth (YoY)46.76%-11.07%
Revenue Growth (3Y CAGR)29.61%-9.89%
EPS Growth (YoY)112.46%-89.16%
EPS Growth (3Y CAGR)165.07%-66.39%

Financial Strength

Current Ratio (MRQ)

STMicroelectronics (STM) at 3.13 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

STM

Semiconductors & Semiconductor Equipment industry group

3.13

Max
10.33
Q3
5.62
Median
3.33
STM
3.13
Q1
2.35
Min
1.03
Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their current ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Debt / Equity (MRQ)

Both SK hynix (SKHY) at 0.05 and STMicroelectronics (STM) at 0.19 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

STM

Semiconductors & Semiconductor Equipment industry group

0.19

Max
1.46
Q3
0.65
Median
0.27
STM
0.19
Q1
0.04
Min
0.00
Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their debt-to-equity ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for SK hynix (SKHY) and STMicroelectronics (STM)
MetricSKHYSTM
Current Ratio (MRQ)26.883.13
Debt / Equity (MRQ)0.050.19
Net Debt / EBITDA-0.46-0.63

Dividends

Dividend Yield (TTM)

STMicroelectronics (STM) at 0.90% 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%

STM

Semiconductors & Semiconductor Equipment industry group

0.90%

Max
1.37%
STM
0.90%
Q3
0.65%
Median
0.00%
Q1
0.00%
Min
0.00%
Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their dividend yield against the Semiconductors & Semiconductor Equipment industry group benchmark.

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 STMicroelectronics (STM) reports a payout of 63.16%, 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%

STM

Semiconductors & Semiconductor Equipment industry group

63.16%

STM
63.16%
Max
49.64%
Q3
21.71%
Median
0.00%
Q1
0.00%
Min
0.00%
Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their payout ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for SK hynix (SKHY) and STMicroelectronics (STM)
MetricSKHYSTM
Dividend Yield (TTM)2,118.64%0.90%
Dividend Payout Ratio (TTM)0.00%63.16%

Valuation

P/E Ratio (TTM)

SK hynix (SKHY) at 8.12 sits in the cheaper P/E ratio quartile, while STMicroelectronics (STM) at 73.19 sits in the richer quartile — a clear split in what investors pay for each dollar of trailing earnings.

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

STM

Semiconductors & Semiconductor Equipment industry group

73.19

Max
110.34
STM
73.19
Q3
66.81
Median
37.02
Q1
23.96
Min
8.12
Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their P/E ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/S Ratio (TTM)

Both SK hynix (SKHY) at 0.00 and STMicroelectronics (STM) at 2.73 fetch a relatively low price per dollar of sales, landing in the cheaper P/S ratio quartile of their industries.

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

STM

Semiconductors & Semiconductor Equipment industry group

2.73

Max
21.42
Q3
12.27
Median
5.76
Q1
2.73
STM
2.73
Min
0.00
Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their P/S ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/B Ratio (MRQ)

STMicroelectronics (STM) at 2.09 sits in the lower P/B ratio quartile against book while SK hynix (SKHY) at 3.95 is valued near its industry’s middle — STM is cheaper on assets, though weigh it against ROE and asset quality.

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

STM

Semiconductors & Semiconductor Equipment industry group

2.09

Max
14.06
Q3
7.44
Median
4.29
Q1
2.30
STM
2.09
Min
0.20
Loading chart…
SK hynix (SKHY) vs. STMicroelectronics (STM): A comparison of their P/B ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for SK hynix (SKHY) and STMicroelectronics (STM)
MetricSKHYSTM
P/E Ratio (TTM)8.1273.19
P/S Ratio (TTM)0.002.73
P/B Ratio (MRQ)3.952.09
Free Cash Flow Yield (TTM)--0.29%