TER vs ROK vs NRG Stock Comparison

Teradyne, Rockwell Automation and Nrg Energy Prices as of Oct 29, 2026 Peers: Industry group
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TER Teradyne, Inc
$296.23 -26.5% 1M +70.3% 1Y
Market cap
$42.53B
P/E
54.2x
Revenue (TTM)
$5.00B
Div. yield
–
Test and Measurement Technology
2 wins
ROK Rockwell Automation, Inc
$451.43 +4.7% 1M +22.6% 1Y
Market cap
$50.24B
P/E
41.8x
Revenue (TTM)
$8.97B
Div. yield
–
Industrial Machinery Industrials
5 wins
NRG Nrg Energy, Inc.
$97.53 +0.4% 1M -45.4% 1Y
Market cap
$20.59B
P/E
26.3x
Revenue (TTM)
$33.13B
Div. yield
0.02%
Independent Power Producers Utilities
4 wins

Head to Head

11 decided of 12

Rockwell Automation leads on 5 of the 12 questions below (Rockwell Automation 5, Nrg Energy 4, Teradyne 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionTERROKNRGLeader
Larger companyMarket capitalisation $42.53B $50.24B $20.59B ROK
Cheaper on earningsLower P/E, profitable companies only 54.2x 41.8x 26.3x NRG
Cheaper on forward earningsLower price / next fiscal year consensus EPS 30.7x 36.1x 11.5x NRG
Faster revenue growthRevenue growth, trailing twelve months +74.9% +11.3% +12.8% TER
More profitableNet margin, trailing twelve months — 13.4% 2.4% ROK
Better return on capitalReturn on invested capital — 21.0% 5.8% ROK
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 +70.3% +22.6% -45.4% TER
Better 5-year returnAnnualised price return, 5 years +16.5%/yr +7.2%/yr +19.6%/yr NRG
Less volatileAnnualised volatility, 1 year 76.7% 31.3% 49.8% ROK
Higher overall scoreMean of the five percentile scores vs peers 60/100 54/100 65/100 NRG

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 18 #92 of 112 15 #172 of 203 70 #8 of 24
Growth 95 #6 of 108 51 #93 of 188 77 #6 of 23
Profitability 87 #14 of 104 96 #9 of 183 73 #7 of 23
Financial Health 64 #42 of 116 34 #143 of 216 17 #20 of 24
Shareholder Returns 35 #51 of 78 76 #38 of 152 89 #3 of 19
Overall 60 54 65
  • TER ranked among 121 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 -26.5%+4.7%+0.4% +0.7%
3 months -18.9%-4.1%-27.2% +3.7%
6 months -13.8%+10.4%-37.3% +7.1%
Year to date +53.0%+16.0%-38.8% +12.8%
1 year +70.3%+22.6%-45.4% +11.9%
3 years +254.9%+71.3%+130.8% +85.2%
3 years, per year +52.6%+19.7%+32.2% +22.8%
5 years +114.3%+41.3%+144.5% +67.6%
5 years, per year +16.5%+7.2%+19.6% +10.9%
10 years +1,183.5%+280.0%+846.9% +262.0%
10 years, per year +29.1%+14.3%+25.2% +13.7%

Risk

MeasureTERROKNRGSPY
Volatility, 1Y 76.7%31.3%49.8% 12.7%
Downside volatility, 1Y 85.4%31.8%55.6% 12.6%
Beta vs S&P 500, 1Y 3.391.401.40 1.00
Return / volatility, 1Y 0.920.72-0.91 0.94
Max drawdown, 5Y -59.7%-45.6%-49.8% -25.4%
From 52-week high -38.8%-8.8%-47.0% -1.2%
52-week high $483.84$495.08$184.03 $779.14
52-week low $155.90$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 54.2xmedian 32.9x 41.8xmedian 25.8x 26.3xmedian 24.9x
P/S now vs peer median 9.3xmedian 2.9x 5.6xmedian 1.9x 0.6xmedian 2.6x
EV/EBITDA now vs peer median —median 20.0x 25.3xmedian 14.6x 11.6xmedian 11.6x
P/FCF now vs peer median 80.9xmedian 30.2x 33.3xmedian 22.2x 58.9xmedian 13.9x
P/B now vs peer median 12.6xmedian 2.9x 14.3xmedian 2.2x 4.2xmedian 2.1x
PEG now vs peer median —median 1.08 -9.51median 1.45 0.77median 0.62

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 $5.00B $8.97B $33.13B
Gross profit $2.97B $4.41B $6.23B
Operating income $1.61B $1.77B $2.02B
Net income $1.38B $1.20B $849.00M
Free cash flow – $1.50B $348.00M
R&D $598.20M $716.00M –
EPS (diluted) – $10.76 $3.69
Cash & equivalents $460.74M $479.00M $162.00M
Total debt – $13.81B $23.44B
Shares (diluted) 157.69M 111.60M 212.00M
Enterprise value $42.53B $48.43B $14.81B

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 54.2x 41.8x 26.3x
P/FCF 80.9x 33.3x 58.9x
P/Operating cash flow 34.8x 28.9x 13.2x
P/S 9.3x 5.6x 0.6x
P/B 12.6x 14.3x 4.2x
P/Tangible book 12.9x 18.0x 7.6x
EV/EBITDA – 25.3x 11.6x
EV/EBIT – 29.9x 21.7x
EV/Revenue 9.3x 5.9x 1.3x
EV/FCF – 35.2x 125.8x
EV/Operating cash flow 34.8x 30.5x 28.2x
PEG (3Y EPS CAGR) – -9.51 0.77

Growth

14 metrics
MetricTERROKNRG
Revenue growth (1Y) 74.9% 11.3% 12.8%
Revenue CAGR (3Y) 22.2% 1.3% 2.9%
Gross profit growth (1Y) 76.1% 1.9% 22.9%
Gross profit CAGR (3Y) 23.4% 7.5% 348.5%
Operating income growth (1Y) 214.6% -7.1% 57.9%
Operating income CAGR (3Y) 43.5% 2.9% 43.0%
Net income growth (1Y) 211.2% 23.8% 62.6%
Net income CAGR (3Y) 39.9% -5.5% 34.1%
EPS growth (1Y) – 25.2% 58.9%
EPS CAGR (3Y) – -4.4% 34.1%
Operating cash flow growth (1Y) 96.9% 13.8% -32.1%
Operating cash flow CAGR (3Y) 36.8% 22.8% 33.9%
Free cash flow growth (1Y) – 13.9% -75.0%
Free cash flow CAGR (3Y) – 23.6% 27.6%

Profitability

14 metrics
MetricTERROKNRG
Gross margin – 49.1% 18.8%
EBITDA margin – 23.3% 11.4%
Operating margin – 19.7% 6.1%
Pretax margin – 14.7% 3.2%
Net margin – 13.4% 2.4%
FCF margin – 16.8% 1.1%
Operating cash flow margin 26.6% 19.3% 4.7%
Return on equity 38.7% 30.9% 17.5%
Return on assets 26.7% 9.8% 2.1%
Return on invested capital – 21.0% 5.8%
Return on capital employed – 23.6% 6.7%
Asset turnover 1.0x 0.8x 0.8x
Cash conversion (OCF / net income) 1.0x 1.4x 1.8x
Stock comp / revenue 1.6% 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 31.4% 68.5% 87.8%
Equity / assets 67.7% 31.5% 12.2%
Interest coverage – 12.8x 2.0x
Current ratio 2.1x 1.1x 1.0x
Quick ratio – 0.7x 0.5x
Cash ratio – 0.1x 0.0x
Altman Z-score – 6.07 1.42

Shareholder Returns

7 metrics
MetricTERROKNRG
Dividend yield 0.2% 1.2% 1.9%
Net buyback yield – 1.4% 8.0%
Shareholder yield 0.2% 2.6% 9.9%
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 30.7xFY2026 36.1xFY2026 11.5xFY2026
EPS, next fiscal year $9.65FY2026 $12.50FY2026 $8.49FY2026
EPS growth, next FY +143.7%FY2026 +18.7%FY2026 +5.2%FY2026
EPS growth, the year after +25.7% +12.3% +28.7%
Revenue, next fiscal year $5.01BFY2026 $8.50BFY2026 $36.07BFY2026
Revenue growth, next FY +57.1%FY2026 +1.9%FY2026 +17.5%FY2026
Revenue growth, the year after +18.9% +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 1,420 1,542 1,024
Change in shares held, QoQ +5.2% +3.5% +0.7%
Institutions buying 829 807 509
Institutions selling 456 437 385
Buyers to sellers 1.82 1.85 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

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Frequently Asked Questions

Which is bigger, TER, ROK and NRG?

Rockwell Automation (ROK) is the largest by market capitalisation: Teradyne (TER) $42.53B, Rockwell Automation (ROK) $50.24B, Nrg Energy (NRG) $20.59B.

Which stock is cheaper, TER, ROK and NRG?

Nrg Energy (NRG) trades on the lowest price-to-earnings ratio (Teradyne (TER) 54.2x, Rockwell Automation (ROK) 41.8x, Nrg Energy (NRG) 26.3x). On next year's consensus earnings, Nrg Energy (NRG) is cheapest (Teradyne (TER) 30.7x, Rockwell Automation (ROK) 36.1x, Nrg Energy (NRG) 11.5x). 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) +74.9%, Rockwell Automation (ROK) +11.3%, Nrg Energy (NRG) +12.8%.

Which company is more profitable?

Rockwell Automation (ROK) has the highest net margin (Rockwell Automation (ROK) 13.4%, Nrg Energy (NRG) 2.4%). On return on invested capital, Rockwell Automation (ROK) leads (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) +70.3%, Rockwell Automation (ROK) +22.6%, Nrg Energy (NRG) -45.4%. Over five years, Nrg Energy (NRG) compounded fastest (Teradyne (TER) +16.5%/yr, Rockwell Automation (ROK) +7.2%/yr, Nrg Energy (NRG) +19.6%/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) 76.7%, Rockwell Automation (ROK) 31.3%, Nrg Energy (NRG) 49.8%). 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, Rockwell Automation (ROK) leads on 5. 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.