TER vs ROK vs NRG Stock Comparison

Teradyne, Rockwell Automation and Nrg Energy Prices as of Oct 23, 2026 Peers: Industry group
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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
7 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
2 wins
NRG Nrg Energy, Inc.
$92.32 -8.3% 1M -43.6% 1Y
Market cap
$19.73B
P/E
25.2x
Revenue (TTM)
$33.13B
Div. yield
0.02%
Independent Power Producers Utilities
2 wins

Head to Head

11 decided of 12

Teradyne leads on 7 of the 12 questions below (Teradyne 7, Nrg Energy 2, Rockwell Automation 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionTERROKNRGLeader
Larger companyMarket capitalisation $48.36B $47.75B $19.73B TER
Cheaper on earningsLower P/E, profitable companies only 42.0x 39.8x 25.2x NRG
Cheaper on forward earningsLower price / next fiscal year consensus EPS 31.9x 34.1x 10.8x NRG
Faster revenue growthRevenue growth, trailing twelve months +57.9% +11.3% +12.8% TER
More profitableNet margin, trailing twelve months 25.8% 13.4% 2.4% TER
Better return on capitalReturn on invested capital 35.3% 21.0% 5.8% TER
Less leveragedLower net debt / EBITDA — 1.3x 6.2x ROK
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.02% –
Better 1-year returnPrice return, last 12 months +112.9% +19.3% -43.6% TER
Better 5-year returnAnnualised price return, 5 years +21.6%/yr +6.1%/yr +17.5%/yr TER
Less volatileAnnualised volatility, 1 year 78.6% 31.3% 50.0% ROK
Higher overall scoreMean of the five percentile scores vs peers 65/100 53/100 64/100 TER

Percentile Scorecard

TERROKNRG

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

AxisTERROKNRG
Valuation 23 #87 of 112 15 #173 of 203 65 #9 of 24
Growth 89 #13 of 109 52 #91 of 188 77 #6 of 23
Profitability 93 #8 of 105 94 #12 of 187 73 #7 of 23
Financial Health 72 #34 of 117 32 #152 of 222 17 #20 of 24
Shareholder Returns 49 #42 of 82 74 #41 of 153 90 #3 of 20
Overall 65 53 64
  • TER ranked among 122 companies in Computer Hardware
  • ROK ranked among 222 companies in Machinery
  • NRG ranked among 24 companies in Power Generation

Price Performance

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

Returns

PeriodTERROKNRGSPY
1 month -20.6%-1.6%-8.3% -1.0%
3 months -11.7%-7.8%-34.5% +2.9%
6 months -26.1%+6.2%-42.2% +6.4%
Year to date +59.6%+9.5%-42.0% +11.4%
1 year +112.9%+19.3%-43.6% +13.1%
3 years +237.1%+60.3%+119.4% +79.4%
3 years, per year +50.0%+17.0%+30.0% +21.5%
5 years +166.0%+34.7%+123.9% +67.7%
5 years, per year +21.6%+6.1%+17.5% +10.9%
10 years +1,342.6%+246.5%+701.4% +255.2%
10 years, per year +30.6%+13.2%+23.1% +13.5%

Risk

MeasureTERROKNRGSPY
Volatility, 1Y 78.6%31.3%50.0% 12.7%
Downside volatility, 1Y 84.9%31.7%55.6% 12.7%
Beta vs S&P 500, 1Y 3.351.391.41 1.00
Return / volatility, 1Y 1.440.62-0.87 1.03
Max drawdown, 5Y -59.7%-45.6%-49.8% -25.4%
From 52-week high -36.2%-13.9%-49.8% -2.5%
52-week high $483.84$495.08$184.03 $779.14
52-week low $144.28$348.51$92.32 $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.

MultipleTERROKNRG
P/E now vs peer median 42.0xmedian 31.3x 39.4xmedian 25.9x 24.9xmedian 24.1x
P/S now vs peer median 10.8xmedian 2.6x 5.3xmedian 1.9x 0.6xmedian 2.6x
EV/EBITDA now vs peer median 32.0xmedian 19.6x 23.9xmedian 13.7x 11.3xmedian 11.3x
P/FCF now vs peer median 62.7xmedian 28.3x 31.5xmedian 21.1x 55.8xmedian 12.9x
P/B now vs peer median 13.9xmedian 2.9x 13.5xmedian 2.3x 4.0xmedian 2.1x
PEG now vs peer median 1.45median 1.15 -8.98median 1.19 0.73median 0.59

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 monthsTERROKNRG
Revenue $4.46B $8.97B $33.13B
Gross profit $2.64B $4.41B $6.23B
Operating income $1.35B $1.77B $2.02B
Net income $1.15B $1.20B $849.00M
Free cash flow $769.75M $1.50B $348.00M
R&D $559.87M $716.00M –
EPS (diluted) $7.29 $10.76 $3.69
Cash & equivalents $349.54M $479.00M $162.00M
Total debt $400.00M $13.81B $23.44B
Shares (diluted) 157.69M 111.60M 212.00M
Enterprise value $47.14B $45.94B $13.95B

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
MetricTERROKNRG
P/E 42.0x 39.4x 24.9x
P/FCF 62.7x 31.5x 55.8x
P/Operating cash flow 45.4x 27.3x 12.5x
P/S 10.8x 5.3x 0.6x
P/B 13.9x 13.5x 4.0x
P/Tangible book 14.3x 17.0x 7.2x
EV/EBITDA 32.0x 23.9x 11.3x
EV/EBIT 35.5x 28.3x 21.2x
EV/Revenue 10.7x 5.6x 1.3x
EV/FCF 62.3x 33.3x 122.7x
EV/Operating cash flow 45.0x 28.9x 27.5x
PEG (3Y EPS CAGR) 1.45 -8.98 0.73

Growth

14 metrics
MetricTERROKNRG
Revenue growth (1Y) 57.9% 11.3% 12.8%
Revenue CAGR (3Y) 16.0% 1.3% 2.9%
Gross profit growth (1Y) 58.2% 1.9% 22.9%
Gross profit CAGR (3Y) 16.7% 7.5% 348.5%
Operating income growth (1Y) 160.9% -7.1% 57.9%
Operating income CAGR (3Y) 28.8% 2.9% 43.0%
Net income growth (1Y) 145.2% 23.8% 62.6%
Net income CAGR (3Y) 27.2% -5.5% 34.1%
EPS growth (1Y) 149.0% 25.2% 58.9%
EPS CAGR (3Y) 29.0% -4.4% 34.1%
Operating cash flow growth (1Y) 34.4% 13.8% -32.1%
Operating cash flow CAGR (3Y) 19.9% 22.8% 33.9%
Free cash flow growth (1Y) 38.4% 13.9% -75.0%
Free cash flow CAGR (3Y) 18.5% 23.6% 27.6%

Profitability

14 metrics
MetricTERROKNRG
Gross margin 59.2% 49.1% 18.8%
EBITDA margin 33.5% 23.3% 11.4%
Operating margin 30.2% 19.7% 6.1%
Pretax margin 30.2% 14.7% 3.2%
Net margin 25.8% 13.4% 2.4%
FCF margin 17.2% 16.8% 1.1%
Operating cash flow margin 23.9% 19.3% 4.7%
Return on equity 35.2% 30.9% 17.5%
Return on assets 24.9% 9.8% 2.1%
Return on invested capital 35.3% 21.0% 5.8%
Return on capital employed 37.8% 23.6% 6.7%
Asset turnover 1.0x 0.8x 0.8x
Cash conversion (OCF / net income) 0.9x 1.4x 1.8x
Stock comp / revenue 1.7% 1.0% 0.4%

Financial Health

11 metrics
MetricTERROKNRG
Debt / assets – 29.4% 58.7%
Debt / equity – 0.9x 4.8x
Net debt / EBITDA – 1.3x 6.2x
Debt / FCF – 2.2x 67.3x
Liabilities / assets 29.5% 68.5% 87.8%
Equity / assets 70.5% 31.5% 12.2%
Interest coverage 118.8x 12.8x 2.0x
Current ratio 2.1x 1.1x 1.0x
Quick ratio 1.3x 0.7x 0.5x
Cash ratio 0.3x 0.1x 0.0x
Altman Z-score 22.47 5.85 1.40

Shareholder Returns

7 metrics
MetricTERROKNRG
Dividend yield 0.2% 1.3% 2.0%
Net buyback yield 1.0% 1.5% 8.4%
Shareholder yield 1.1% 2.8% 10.5%
Payout ratio (earnings) – – 51.7%
Payout ratio (FCF) – – 126.1%
Dividend growth (1Y) – – 7.6%
Dividend CAGR (3Y) – – 9.1%

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.

ConsensusTERROKNRG
Forward P/E 31.9xFY2026 34.1xFY2026 10.8xFY2026
EPS, next fiscal year $9.69FY2026 $12.50FY2026 $8.55FY2026
EPS growth, next FY +144.7%FY2026 +18.7%FY2026 +5.9%FY2026
EPS growth, the year after +24.9% +12.3% +32.5%
Revenue, next fiscal year $5.01BFY2026 $8.50BFY2026 $36.32BFY2026
Revenue growth, next FY +57.1%FY2026 +1.9%FY2026 +18.3%FY2026
Revenue growth, the year after +18.1% +19.4% -0.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersTERROKNRG
Held by institutions 97.3% 89.2% 93.7%
Institutions holding 1,419 1,540 1,023
Change in shares held, QoQ +5.2% +3.5% +0.7%
Institutions buying 828 805 508
Institutions selling 456 437 385
Buyers to sellers 1.82 1.84 1.32

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.

TERROKNRG
TER 1.00 0.50 0.41
ROK 0.50 1.00 0.42
NRG 0.41 0.42 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, TER, ROK and NRG?

Teradyne (TER) is the largest by market capitalisation: Teradyne (TER) $48.36B, Rockwell Automation (ROK) $47.75B, Nrg Energy (NRG) $19.73B.

Which stock is cheaper, TER, ROK and NRG?

Nrg Energy (NRG) trades on the lowest price-to-earnings ratio (Teradyne (TER) 42.0x, Rockwell Automation (ROK) 39.8x, Nrg Energy (NRG) 25.2x). On next year's consensus earnings, Nrg Energy (NRG) is cheapest (Teradyne (TER) 31.9x, Rockwell Automation (ROK) 34.1x, Nrg Energy (NRG) 10.8x). 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%, Nrg Energy (NRG) +12.8%.

Which company is more profitable?

Teradyne (TER) has the highest net margin (Teradyne (TER) 25.8%, Rockwell Automation (ROK) 13.4%, Nrg Energy (NRG) 2.4%). On return on invested capital, Teradyne (TER) leads (Teradyne (TER) 35.3%, Rockwell Automation (ROK) 21.0%, Nrg Energy (NRG) 5.8%).

Which stock has performed better?

Over the past year Teradyne (TER) returned the most: Teradyne (TER) +112.9%, Rockwell Automation (ROK) +19.3%, Nrg Energy (NRG) -43.6%. Over five years, Teradyne (TER) compounded fastest (Teradyne (TER) +21.6%/yr, Rockwell Automation (ROK) +6.1%/yr, Nrg Energy (NRG) +17.5%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Teradyne (TER) 0.00%, Rockwell Automation (ROK) 0.00%, Nrg Energy (NRG) 0.02%. Teradyne (TER) and Rockwell Automation (ROK) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Rockwell Automation (ROK) has been the steadiest (Teradyne (TER) 78.6%, Rockwell Automation (ROK) 31.3%, Nrg Energy (NRG) 50.0%). Volatility measures how widely the price swings, not the risk of the business.

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

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 7. 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.