TER vs ROK vs TDY Stock Comparison

Teradyne, Rockwell Automation and Teledyne Technologies Prices as of Oct 23, 2026 Peers: Industry group
TER Teradyne, Inc
$308.85 -20.6% 1M +112.9% 1Y
Market cap
$48.36B
P/E
42.0x
Revenue (TTM)
$4.46B
Div. yield
–
Test and Measurement Technology
6 wins
ROK Rockwell Automation, Inc
$426.18 -1.6% 1M +19.3% 1Y
Market cap
$47.75B
P/E
39.8x
Revenue (TTM)
$8.97B
Div. yield
–
Industrial Machinery Industrials

Head to Head

11 decided of 12

Teradyne leads on 6 of the 12 questions below (Teradyne 6, Teledyne Technologies 5). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionTERROKTDYLeader
Larger companyMarket capitalisation $48.36B $47.75B $29.94B TER
Cheaper on earningsLower P/E, profitable companies only 42.0x 39.8x 29.2x TDY
Cheaper on forward earningsLower price / next fiscal year consensus EPS 31.9x 34.1x 24.7x TDY
Faster revenue growthRevenue growth, trailing twelve months +57.9% +11.3% +8.6% TER
More profitableNet margin, trailing twelve months 25.8% 13.4% 15.8% TER
Better return on capitalReturn on invested capital 35.3% 21.0% 8.1% TER
Less leveragedLower net debt / EBITDA — 1.3x 0.9x TDY
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +112.9% +19.3% +16.6% TER
Better 5-year returnAnnualised price return, 5 years +21.6%/yr +6.1%/yr +7.0%/yr TER
Less volatileAnnualised volatility, 1 year 78.6% 31.3% 25.4% TDY
Higher overall scoreMean of the five percentile scores vs peers 65/100 53/100 70/100 TDY

Percentile Scorecard

TERROKTDY

Each axis is the mean percentile of its metrics against the company's industry group. 100 is the best in the group, 50 the middle.

Scores by Axis

AxisTERROKTDY
Valuation 23 #87 of 112 15 #173 of 203 66 #35 of 100
Growth 89 #13 of 109 52 #91 of 188 38 #61 of 97
Profitability 93 #8 of 105 94 #12 of 187 82 #18 of 96
Financial Health 72 #34 of 117 32 #152 of 222 75 #27 of 106
Shareholder Returns 49 #42 of 82 74 #41 of 153 91 #7 of 65
Overall 65 53 70
  • TER ranked among 122 companies in Computer Hardware
  • ROK ranked among 222 companies in Machinery
  • TDY ranked among 107 companies in Aerospace and Defense

Price Performance

Price return, split-adjusted, before dividends. Click a name to hide or show it.

Returns

PeriodTERROKTDYSPY
1 month -20.6%-1.6%+0.7% -1.0%
3 months -11.7%-7.8%-4.5% +2.9%
6 months -26.1%+6.2%-3.6% +6.4%
Year to date +59.6%+9.5%+22.5% +11.4%
1 year +112.9%+19.3%+16.6% +13.1%
3 years +237.1%+60.3%+62.0% +79.4%
3 years, per year +50.0%+17.0%+17.5% +21.5%
5 years +166.0%+34.7%+40.2% +67.7%
5 years, per year +21.6%+6.1%+7.0% +10.9%
10 years +1,342.6%+246.5%+494.9% +255.2%
10 years, per year +30.6%+13.2%+19.5% +13.5%

Risk

MeasureTERROKTDYSPY
Volatility, 1Y 78.6%31.3%25.4% 12.7%
Downside volatility, 1Y 84.9%31.7%23.8% 12.7%
Beta vs S&P 500, 1Y 3.351.391.08 1.00
Return / volatility, 1Y 1.440.620.65 1.03
Max drawdown, 5Y -59.7%-45.6%-32.2% -25.4%
From 52-week high -36.2%-13.9%-9.5% -2.5%
52-week high $483.84$495.08$691.24 $779.14
52-week low $144.28$348.51$484.47 $631.97

Valuation History

Weekly multiples on trailing twelve-month fundamentals. Negative or extreme readings (a loss year, a collapsed denominator) are left out so the chart stays readable.

MultipleTERROKTDY
P/E now vs peer median 42.0xmedian 31.3x 39.4xmedian 25.9x 28.2xmedian 26.2x
P/S now vs peer median 10.8xmedian 2.6x 5.3xmedian 1.9x 4.4xmedian 2.9x
EV/EBITDA now vs peer median 32.0xmedian 19.6x 23.9xmedian 13.7x 18.5xmedian 14.7x
P/FCF now vs peer median 62.7xmedian 28.3x 31.5xmedian 21.1x 25.2xmedian 24.9x
P/B now vs peer median 13.9xmedian 2.9x 13.5xmedian 2.3x 2.6xmedian 2.4x
PEG now vs peer median 1.45median 1.15 -8.98median 1.19 -47.50median 0.92

Financial History

Reported figures by fiscal period, placed on the calendar year (or quarter) each period ended in, so companies with different fiscal years line up.

Trailing twelve monthsTERROKTDY
Revenue $4.46B $8.97B $6.52B
Gross profit $2.64B $4.41B $2.84B
Operating income $1.35B $1.77B $1.30B
Net income $1.15B $1.20B $1.03B
Free cash flow $769.75M $1.50B $1.15B
R&D $559.87M $716.00M $330.60M
EPS (diluted) $7.29 $10.76 $21.90
Cash & equivalents $349.54M $479.00M $562.40M
Total debt $400.00M $13.81B $2.03B
Shares (diluted) 157.69M 111.60M 46.90M
Enterprise value $47.14B $45.94B $28.17B

All Metrics

58 metrics · best in bold

Bold marks the best reading: the lowest positive value for multiples, leverage and payout, the highest for everything else. The bar under each value is its percentile against that company's own peers. Hover a value for its rank and the peer median.

Valuation

12 metrics
MetricTERROKTDY
P/E 42.0x 39.4x 28.2x
P/FCF 62.7x 31.5x 25.2x
P/Operating cash flow 45.4x 27.3x 22.6x
P/S 10.8x 5.3x 4.4x
P/B 13.9x 13.5x 2.6x
P/Tangible book 14.3x 17.0x 3.1x
EV/EBITDA 32.0x 23.9x 18.5x
EV/EBIT 35.5x 28.3x 23.3x
EV/Revenue 10.7x 5.6x 4.7x
EV/FCF 62.3x 33.3x 26.5x
EV/Operating cash flow 45.0x 28.9x 23.7x
PEG (3Y EPS CAGR) 1.45 -8.98 -47.50

Growth

14 metrics
MetricTERROKTDY
Revenue growth (1Y) 57.9% 11.3% 8.6%
Revenue CAGR (3Y) 16.0% 1.3% 0.5%
Gross profit growth (1Y) 58.2% 1.9% 10.8%
Gross profit CAGR (3Y) 16.7% 7.5% -0.1%
Operating income growth (1Y) 160.9% -7.1% 23.3%
Operating income CAGR (3Y) 28.8% 2.9% 0.0%
Net income growth (1Y) 145.2% 23.8% 25.5%
Net income CAGR (3Y) 27.2% -5.5% -1.3%
EPS growth (1Y) 149.0% 25.2% 27.2%
EPS CAGR (3Y) 29.0% -4.4% -0.6%
Operating cash flow growth (1Y) 34.4% 13.8% 11.9%
Operating cash flow CAGR (3Y) 19.9% 22.8% 26.7%
Free cash flow growth (1Y) 38.4% 13.9% 10.5%
Free cash flow CAGR (3Y) 18.5% 23.6% 29.4%

Profitability

14 metrics
MetricTERROKTDY
Gross margin 59.2% 49.1% 43.6%
EBITDA margin 33.5% 23.3% 25.3%
Operating margin 30.2% 19.7% 20.0%
Pretax margin 30.2% 14.7% 19.4%
Net margin 25.8% 13.4% 15.8%
FCF margin 17.2% 16.8% 17.6%
Operating cash flow margin 23.9% 19.3% 19.6%
Return on equity 35.2% 30.9% 9.3%
Return on assets 24.9% 9.8% 6.7%
Return on invested capital 35.3% 21.0% 8.1%
Return on capital employed 37.8% 23.6% 9.4%
Asset turnover 1.0x 0.8x 0.4x
Cash conversion (OCF / net income) 0.9x 1.4x 1.2x
Stock comp / revenue 1.7% 1.0% 0.6%

Financial Health

11 metrics
MetricTERROKTDY
Debt / assets – 29.4% 13.0%
Debt / equity – 0.9x 0.2x
Net debt / EBITDA – 1.3x 0.9x
Debt / FCF – 2.2x 1.8x
Liabilities / assets 29.5% 68.5% 28.5%
Equity / assets 70.5% 31.5% 71.5%
Interest coverage 118.8x 12.8x 26.9x
Current ratio 2.1x 1.1x 2.3x
Quick ratio 1.3x 0.7x 1.3x
Cash ratio 0.3x 0.1x 0.4x
Altman Z-score 22.47 5.85 5.47

Shareholder Returns

7 metrics
MetricTERROKTDY
Dividend yield 0.2% 1.3% –
Net buyback yield 1.0% 1.5% 1.6%
Shareholder yield 1.1% 2.8% 1.6%
Payout ratio (earnings) – – –
Payout ratio (FCF) – – –
Dividend growth (1Y) – – –
Dividend CAGR (3Y) – – –

Analyst Estimates

Solid lines are reported fiscal-year results; dashed lines are the consensus for the years ahead. Hover a year for the analysts' high and low, and how each result compared with its estimate.

ConsensusTERROKTDY
Forward P/E 31.9xFY2026 34.1xFY2026 24.7xFY2026
EPS, next fiscal year $9.69FY2026 $12.50FY2026 $25.31FY2026
EPS growth, next FY +144.7%FY2026 +18.7%FY2026 +15.1%FY2026
EPS growth, the year after +24.9% +12.3% +13.2%
Revenue, next fiscal year $5.01BFY2026 $8.50BFY2026 $6.15BFY2026
Revenue growth, next FY +57.1%FY2026 +1.9%FY2026 +0.4%FY2026
Revenue growth, the year after +18.1% +19.4% +5.5%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersTERROKTDY
Held by institutions 97.3% 89.2% 97.2%
Institutions holding 1,419 1,540 886
Change in shares held, QoQ +5.2% +3.5% +2.7%
Institutions buying 828 805 399
Institutions selling 456 437 327
Buyers to sellers 1.82 1.84 1.22

Return Correlation

Daily returns, last 12 months

1.00 means two stocks move in lockstep, 0 that they move independently. Pairs below about 0.5 diversify each other.

TERROKTDY
TER 1.00 0.50 0.48
ROK 0.50 1.00 0.49
TDY 0.48 0.49 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, TER, ROK and TDY?

Teradyne (TER) is the largest by market capitalisation: Teradyne (TER) $48.36B, Rockwell Automation (ROK) $47.75B, Teledyne Technologies (TDY) $29.94B.

Which stock is cheaper, TER, ROK and TDY?

Teledyne Technologies (TDY) trades on the lowest price-to-earnings ratio (Teradyne (TER) 42.0x, Rockwell Automation (ROK) 39.8x, Teledyne Technologies (TDY) 29.2x). On next year's consensus earnings, Teledyne Technologies (TDY) is cheapest (Teradyne (TER) 31.9x, Rockwell Automation (ROK) 34.1x, Teledyne Technologies (TDY) 24.7x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Teradyne (TER) grew revenue fastest over the trailing twelve months: Teradyne (TER) +57.9%, Rockwell Automation (ROK) +11.3%, Teledyne Technologies (TDY) +8.6%.

Which company is more profitable?

Teradyne (TER) has the highest net margin (Teradyne (TER) 25.8%, Rockwell Automation (ROK) 13.4%, Teledyne Technologies (TDY) 15.8%). On return on invested capital, Teradyne (TER) leads (Teradyne (TER) 35.3%, Rockwell Automation (ROK) 21.0%, Teledyne Technologies (TDY) 8.1%).

Which stock has performed better?

Over the past year Teradyne (TER) returned the most: Teradyne (TER) +112.9%, Rockwell Automation (ROK) +19.3%, Teledyne Technologies (TDY) +16.6%. Over five years, Teradyne (TER) compounded fastest (Teradyne (TER) +21.6%/yr, Rockwell Automation (ROK) +6.1%/yr, Teledyne Technologies (TDY) +7.0%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Teledyne Technologies (TDY) has been the steadiest (Teradyne (TER) 78.6%, Rockwell Automation (ROK) 31.3%, Teledyne Technologies (TDY) 25.4%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, TER, ROK and TDY?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Teradyne (TER) leads on 6. Business Quant does not give investment advice; use the comparison as a starting point for your own research.

Data from SEC filings, exchange prices and consensus estimates, via Business Quant. Percentile scores compare each company with its own peer group, so two companies' scores are each relative to different peers unless you rank against the whole market. Price returns exclude dividends. Nothing on this page is investment advice.