ASX vs. STM: ASE vs. STMicroelectronics Stock Comparison

November 11, 2026

How do ASE (ASX) 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

ASE (ASX) 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.

Both ASE (ASX) 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 ASE (ASX) and STMicroelectronics (STM)
Profile Item	ASX	STM
Name	ASE Technology Holding Co., Ltd. ADR	STMicroelectronics N.V.
Country/Region	Taiwan	Switzerland
GICS Sector	Information Technology	Information Technology
GICS Industry Group	Semiconductors & Semiconductor Equipment	Semiconductors & Semiconductor Equipment
GICS Industry	Semiconductors & Semiconductor Equipment	Semiconductors & Semiconductor Equipment
GICS Sub-Industry	Semiconductors	Semiconductors
Market Capitalization	69.83 billion USD	37.30 billion USD
Currency	USD	USD
Exchange	NYSE	NYSE
Listing Date	October 2, 2000	December 8, 1994
Security Type	ADR	ADR

Price Performance

Cumulative Growth

ASX

STM

GSPC

ASE (ASX) 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

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Trailing total returns for ASE (ASX) and STMicroelectronics (STM). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for ASE (ASX) and STMicroelectronics (STM). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for ASE (ASX) and STMicroelectronics (STM)
Metric	ASX	STM
Total Return (1Y)	127.56%	90.64%
Total Return (3Y, Annualized)	67.56%	4.24%
Total Return (5Y, Annualized)	41.55%	-1.95%

Risk Profile

Drawdown History

ASX

STM

GSPC

ASE (ASX) 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

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Distribution of monthly total returns for ASE (ASX) and STMicroelectronics (STM). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for ASE (ASX) and STMicroelectronics (STM)
Metric	ASX	STM
Volatility (1Y, Annualized)	62.95%	62.24%
Beta (5Y)	1.83	2.00
Max Drawdown (5Y)	-40.64%	-66.66%
Avg. Volume (3M)	7.76M	9.18M

Risk-Adjusted Performance

Risk-Return Positioning

ASX and STM are plotted by 1-year volatility (risk) and 1-year return. The dashed Capital Allocation Line runs from the risk-free rate through the shared industry median.

Risk-Adjusted Metrics

Risk-adjusted metrics for ASE (ASX) and STMicroelectronics (STM)
Metric	ASX	STM
Sharpe Ratio (1Y)	1.96	1.39
Sortino Ratio (1Y)	2.77	2.07

Profitability

ROE (TTM)

Both ASE (ASX) at 19.90% and STMicroelectronics (STM) at 2.95% land near their industries’ usual ROE ranges, so capital efficiency looks broadly in line with peers on both sides.

ASX

Semiconductors & Semiconductor Equipment industry group

19.90%

Max: 52.82%
Q3: 22.26%
ASX: 19.90%
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%

ASE (ASX) vs. STMicroelectronics (STM): A comparison of their ROE against the Semiconductors & Semiconductor Equipment industry group benchmark.

Net Margin (TTM)

Both ASE (ASX) at 9.78% and STMicroelectronics (STM) at 3.80% keep about the typical share of revenue as profit for their industries — neither bottom line stands out from peers.

ASX

Semiconductors & Semiconductor Equipment industry group

9.78%

Max: 63.80%
Q3: 28.36%
Median: 11.44%
ASX: 9.78%
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%

ASE (ASX) vs. STMicroelectronics (STM): A comparison of their net margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Operating Margin (TTM)

Both ASE (ASX) at 13.57% and STMicroelectronics (STM) at 11.10% run core operations about as efficiently as their industries’ norm — neither stands out on operating profitability.

ASX

Semiconductors & Semiconductor Equipment industry group

13.57%

Max: 58.66%
Q3: 30.23%
Median: 15.91%
ASX: 13.57%
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%

ASE (ASX) vs. STMicroelectronics (STM): A comparison of their operating margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for ASE (ASX) and STMicroelectronics (STM)
Metric	ASX	STM
ROE (TTM)	19.90%	2.95%
ROA (TTM)	5.36%	2.63%
Net Margin (TTM)	9.78%	3.80%
Operating Margin (TTM)	13.57%	11.10%
Gross Margin (TTM)	20.80%	35.53%

Growth

Revenue Growth

ASE (ASX) at 8.39% is around its peer norm for revenue growth, while STMicroelectronics (STM) at -11.07% drops into the bottom quartile, signaling weaker demand or pricing momentum.

ASE (ASX) vs. STMicroelectronics (STM): A comparison of their Revenue Growth across different time periods.

EPS Growth

ASE (ASX) at 22.96% is around its peer norm for EPS growth, while STMicroelectronics (STM) at -89.16% drops into the bottom quartile, signaling weaker earnings momentum.

ASE (ASX) vs. STMicroelectronics (STM): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for ASE (ASX) and STMicroelectronics (STM)
Metric	ASX	STM
Revenue Growth (YoY)	8.39%	-11.07%
Revenue Growth (3Y CAGR)	-1.28%	-9.89%
EPS Growth (YoY)	22.96%	-89.16%
EPS Growth (3Y CAGR)	-13.66%	-66.39%

Financial Strength

Current Ratio (MRQ)

STMicroelectronics (STM) at 3.13 keeps current ratio within its industry’s typical mid-range, while ASE (ASX) at 1.16 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for ASX.

ASX

Semiconductors & Semiconductor Equipment industry group

1.16

Max: 10.33
Q3: 5.62
Median: 3.33
Q1: 2.35
ASX: 1.16
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

ASE (ASX) vs. STMicroelectronics (STM): A comparison of their current ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Debt / Equity (MRQ)

STMicroelectronics (STM) at 0.19 carries an industry-typical debt-to-equity mix, while ASE (ASX) at 0.87 uses more debt funding than most peers.

ASX

Semiconductors & Semiconductor Equipment industry group

0.87

Max: 1.46
ASX: 0.87
Q3: 0.65
Median: 0.27
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

ASE (ASX) 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 ASE (ASX) and STMicroelectronics (STM)
Metric	ASX	STM
Current Ratio (MRQ)	1.16	3.13
Debt / Equity (MRQ)	0.87	0.19
Net Debt / EBITDA	1.85	-0.63

Dividends

Dividend Yield (TTM)

ASE (ASX) pays no dividend (yield 0.00%) — it may be reinvesting, using buybacks, or simply not returning cash through dividends. Meanwhile STMicroelectronics (STM) reports a yield of 0.90%, ranking against industry peers normally.

ASX

Semiconductors & Semiconductor Equipment industry group

0.00%

Max: 1.37%
Q3: 0.65%
ASX: 0.00%
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%

ASE (ASX) vs. STMicroelectronics (STM): A comparison of their dividend yield against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Both pay out more than their industries’ typical bands, and STM more so: ASE (ASX) at 39.77% sits above the band, while STMicroelectronics (STM) at 63.16% exceeds every peer in its group.

ASX

Semiconductors & Semiconductor Equipment industry group

39.77%

Max: 49.64%
ASX: 39.77%
Q3: 21.71%
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%

ASE (ASX) vs. STMicroelectronics (STM): A comparison of their payout ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for ASE (ASX) and STMicroelectronics (STM)
Metric	ASX	STM
Dividend Yield (TTM)	0.00%	0.90%
Dividend Payout Ratio (TTM)	39.77%	63.16%

Valuation

P/E Ratio (TTM)

ASE (ASX) at 30.41 is near its industry’s usual P/E ratio, while STMicroelectronics (STM) at 73.19 sits in the richer quartile — STM needs stronger growth or earnings quality to justify the premium.

ASX

Semiconductors & Semiconductor Equipment industry group

30.41

Max: 110.34
Q3: 66.81
Median: 37.02
ASX: 30.41
Q1: 23.96
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

ASE (ASX) vs. STMicroelectronics (STM): A comparison of their P/E ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/S Ratio (TTM)

Both ASE (ASX) at 0.09 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.

ASX

Semiconductors & Semiconductor Equipment industry group

0.09

Max: 21.42
Q3: 12.27
Median: 5.76
Q1: 2.73
ASX: 0.09
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

ASE (ASX) 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 ASE (ASX) at 5.34 is valued near its industry’s middle — STM is cheaper on assets, though weigh it against ROE and asset quality.

ASX

Semiconductors & Semiconductor Equipment industry group

5.34

Max: 14.06
Q3: 7.44
ASX: 5.34
Median: 4.29
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

ASE (ASX) vs. STMicroelectronics (STM): A comparison of their P/B ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for ASE (ASX) and STMicroelectronics (STM)
Metric	ASX	STM
P/E Ratio (TTM)	30.41	73.19
P/S Ratio (TTM)	0.09	2.73
P/B Ratio (MRQ)	5.34	2.09
Free Cash Flow Yield (TTM)	-275.26%	0.29%