TER vs. UMC: Teradyne vs. United Microelectronics Stock Comparison

November 11, 2026

How do Teradyne (TER) and United Microelectronics (UMC) 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

Teradyne (TER) and United Microelectronics (UMC) both belong to the Semiconductors & Semiconductor Equipment industry, though TER is classified under Semiconductor Materials & Equipment while UMC falls under Semiconductors.

Teradyne (TER) trades as ordinary local shares, while United Microelectronics (UMC) trades as an ADR — compare with FX exposure, depositary-program fees, and dividend-withholding-tax differences in mind.

Company profile comparison for Teradyne (TER) and United Microelectronics (UMC)
Profile Item	TER	UMC
Name	Teradyne, Inc.	United Microelectronics Corp. ADR
Country/Region	United States	Taiwan
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	Semiconductor Materials & Equipment	Semiconductors
Market Capitalization	34.07 billion USD	34.73 billion USD
Currency	USD	USD
Exchange	Nasdaq	NYSE
Listing Date	February 21, 1973	September 19, 2000
Security Type	Common Stock	ADR

Price Performance

Cumulative Growth

TER

UMC

GSPC

Teradyne (TER) vs. United Microelectronics (UMC), 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 Teradyne (TER) and United Microelectronics (UMC). Returns over one year are annualized.

Calendar-Year Returns

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Calendar-year total returns for Teradyne (TER) and United Microelectronics (UMC). Each bar is that year's total return, measured year-end to year-end.

Performance Metrics

Price performance metrics for Teradyne (TER) and United Microelectronics (UMC)
Metric	TER	UMC
Total Return (1Y)	31.13%	102.63%
Total Return (3Y, Annualized)	41.60%	31.57%
Total Return (5Y, Annualized)	10.83%	11.51%

Risk Profile

Drawdown History

TER

UMC

GSPC

Teradyne (TER) vs. United Microelectronics (UMC), 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 Teradyne (TER) and United Microelectronics (UMC). Each bar is the share of months whose return fell in that 5% bucket.

Risk Metrics

Risk profile metrics for Teradyne (TER) and United Microelectronics (UMC)
Metric	TER	UMC
Volatility (1Y, Annualized)	78.35%	67.94%
Beta (5Y)	1.78	1.77
Max Drawdown (5Y)	-59.12%	-54.30%
Avg. Volume (3M)	3.01M	11.82M

Risk-Adjusted Performance

Risk-Return Positioning

TER and UMC 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 Teradyne (TER) and United Microelectronics (UMC)
Metric	TER	UMC
Sharpe Ratio (1Y)	0.34	1.45
Sortino Ratio (1Y)	0.48	2.35

Profitability

ROE (TTM)

Teradyne (TER) at 42.72% sits in the top ROE quartile, while United Microelectronics (UMC) at 20.37% is closer to the peer norm — stronger capital efficiency for TER.

TER

Semiconductors & Semiconductor Equipment industry group

42.72%

Max: 52.82%
TER: 42.72%
Q3: 22.26%
Median: 10.58%
Q1: 1.29%
Min: -16.89%

UMC

Semiconductors & Semiconductor Equipment industry group

20.37%

Max: 52.82%
Q3: 22.26%
UMC: 20.37%
Median: 10.58%
Q1: 1.29%
Min: -16.89%

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their ROE against the Semiconductors & Semiconductor Equipment industry group benchmark.

Net Margin (TTM)

United Microelectronics (UMC) at 31.95% retains a top-quartile share of revenue as profit, ahead of Teradyne (TER) at 27.46%, which keeps about the industry-typical share.

TER

Semiconductors & Semiconductor Equipment industry group

27.46%

Max: 63.80%
Q3: 28.36%
TER: 27.46%
Median: 11.44%
Q1: 0.90%
Min: -37.77%

UMC

Semiconductors & Semiconductor Equipment industry group

31.95%

Max: 63.80%
UMC: 31.95%
Q3: 28.36%
Median: 11.44%
Q1: 0.90%
Min: -37.77%

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their net margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Operating Margin (TTM)

Teradyne (TER) at 30.87% operates in the top operating margin quartile, ahead of United Microelectronics (UMC) at 25.09%, which runs around its industry’s norm.

TER

Semiconductors & Semiconductor Equipment industry group

30.87%

Max: 58.66%
TER: 30.87%
Q3: 30.23%
Median: 15.91%
Q1: 7.54%
Min: -25.74%

UMC

Semiconductors & Semiconductor Equipment industry group

25.09%

Max: 58.66%
Q3: 30.23%
UMC: 25.09%
Median: 15.91%
Q1: 7.54%
Min: -25.74%

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their operating margin against the Semiconductors & Semiconductor Equipment industry group benchmark.

Profitability Metrics

Profitability metrics for Teradyne (TER) and United Microelectronics (UMC)
Metric	TER	UMC
ROE (TTM)	42.72%	20.37%
ROA (TTM)	21.59%	5.79%
Net Margin (TTM)	27.46%	31.95%
Operating Margin (TTM)	30.87%	25.09%
Gross Margin (TTM)	59.32%	31.72%

Growth

Revenue Growth

Both Teradyne (TER) at 13.13% and United Microelectronics (UMC) at 2.26% land near their industries' usual revenue growth ranges, so top-line momentum looks broadly in line with peers on both sides.

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their Revenue Growth across different time periods.

EPS Growth

Both Teradyne (TER) at 4.52% and United Microelectronics (UMC) at -12.57% land near their industries' usual EPS growth ranges, so bottom-line momentum looks broadly in line with peers on both sides.

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their EPS Growth across different time periods.

Growth Metrics

Growth metrics for Teradyne (TER) and United Microelectronics (UMC)
Metric	TER	UMC
Revenue Growth (YoY)	13.13%	2.26%
Revenue Growth (3Y CAGR)	0.37%	-5.19%
EPS Growth (YoY)	4.52%	-12.57%
EPS Growth (3Y CAGR)	-6.31%	-21.92%

Financial Strength

Current Ratio (MRQ)

United Microelectronics (UMC) at 3.27 keeps current ratio within its industry’s typical mid-range, while Teradyne (TER) at 2.08 runs in the tighter-liquidity quartile — a thinner cushion against current liabilities for TER.

TER

Semiconductors & Semiconductor Equipment industry group

2.08

Max: 10.33
Q3: 5.62
Median: 3.33
Q1: 2.35
TER: 2.08
Min: 1.03

UMC

Semiconductors & Semiconductor Equipment industry group

3.27

Max: 10.33
Q3: 5.62
Median: 3.33
UMC: 3.27
Q1: 2.35
Min: 1.03

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their current ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Debt / Equity (MRQ)

Teradyne (TER) at 0.04 keeps leverage in the lower industry quartile, while United Microelectronics (UMC) at 0.17 runs a more typical debt-to-equity mix.

TER

Semiconductors & Semiconductor Equipment industry group

0.04

Max: 1.46
Q3: 0.65
Median: 0.27
Q1: 0.04
TER: 0.04
Min: 0.00

UMC

Semiconductors & Semiconductor Equipment industry group

0.17

Max: 1.46
Q3: 0.65
Median: 0.27
UMC: 0.17
Q1: 0.04
Min: 0.00

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their debt-to-equity ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Financial Strength Metrics

Financial strength metrics for Teradyne (TER) and United Microelectronics (UMC)
Metric	TER	UMC
Current Ratio (MRQ)	2.08	3.27
Debt / Equity (MRQ)	0.04	0.17
Net Debt / EBITDA	-0.19	-0.60

Dividends

Dividend Yield (TTM)

Teradyne (TER) at 0.24% pays an industry-typical yield; United Microelectronics (UMC) at 19.43% is above its entire peer range — the higher number, but one that calls for a look at payout sustainability before treating it as an advantage.

TER

Semiconductors & Semiconductor Equipment industry group

0.24%

Max: 1.37%
Q3: 0.65%
TER: 0.24%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

UMC

Semiconductors & Semiconductor Equipment industry group

19.43%

UMC: 19.43%
Max: 1.37%
Q3: 0.65%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their dividend yield against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Payout Ratio (TTM)

Teradyne (TER) at 5.86% pays out a band-typical share of earnings, while United Microelectronics (UMC) at 37.46% distributes more than its industry norm — less retained, thinner cover.

TER

Semiconductors & Semiconductor Equipment industry group

5.86%

Max: 49.64%
Q3: 21.71%
TER: 5.86%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

UMC

Semiconductors & Semiconductor Equipment industry group

37.46%

Max: 49.64%
UMC: 37.46%
Q3: 21.71%
Median: 0.00%
Q1: 0.00%
Min: 0.00%

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their payout ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Dividend Metrics

Dividend metrics for Teradyne (TER) and United Microelectronics (UMC)
Metric	TER	UMC
Dividend Yield (TTM)	0.24%	19.43%
Dividend Payout Ratio (TTM)	5.86%	37.46%

Valuation

P/E Ratio (TTM)

United Microelectronics (UMC) at 13.07 sits in the cheaper P/E ratio quartile, while Teradyne (TER) at 25.08 is closer to its industry’s usual earnings multiple — a discount for UMC, though growth and earnings durability still matter.

TER

Semiconductors & Semiconductor Equipment industry group

25.08

Max: 110.34
Q3: 66.81
Median: 37.02
TER: 25.08
Q1: 23.96
Min: 8.12

UMC

Semiconductors & Semiconductor Equipment industry group

13.07

Max: 110.34
Q3: 66.81
Median: 37.02
Q1: 23.96
UMC: 13.07
Min: 8.12

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their P/E ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/S Ratio (TTM)

United Microelectronics (UMC) at 0.13 sits in the cheaper P/S ratio quartile while Teradyne (TER) at 6.81 prices around its industry’s middle — UMC costs less per dollar of sales, though read it alongside growth and margins.

TER

Semiconductors & Semiconductor Equipment industry group

6.81

Max: 21.42
Q3: 12.27
TER: 6.81
Median: 5.76
Q1: 2.73
Min: 0.00

UMC

Semiconductors & Semiconductor Equipment industry group

0.13

Max: 21.42
Q3: 12.27
Median: 5.76
Q1: 2.73
UMC: 0.13
Min: 0.00

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their P/S ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

P/B Ratio (MRQ)

United Microelectronics (UMC) at 2.39 is valued about in line with its industry on P/B ratio, while Teradyne (TER) at 9.24 carries an above-peer premium to book — TER is pricier on assets.

TER

Semiconductors & Semiconductor Equipment industry group

9.24

Max: 14.06
TER: 9.24
Q3: 7.44
Median: 4.29
Q1: 2.30
Min: 0.20

UMC

Semiconductors & Semiconductor Equipment industry group

2.39

Max: 14.06
Q3: 7.44
Median: 4.29
UMC: 2.39
Q1: 2.30
Min: 0.20

Teradyne (TER) vs. United Microelectronics (UMC): A comparison of their P/B ratio against the Semiconductors & Semiconductor Equipment industry group benchmark.

Valuation Metrics

Valuation metrics for Teradyne (TER) and United Microelectronics (UMC)
Metric	TER	UMC
P/E Ratio (TTM)	25.08	13.07
P/S Ratio (TTM)	6.81	0.13
P/B Ratio (MRQ)	9.24	2.39
Free Cash Flow Yield (TTM)	1.76%	129.43%