TER vs RAL vs TDY Stock Comparison

Teradyne, Ralliant and Teledyne Technologies Prices as of Oct 28, 2026 Peers: Industry group
TER Teradyne, Inc
$313.24 -21.9% 1M +117.0% 1Y
Market cap
$47.55B
P/E
54.2x
Revenue (TTM)
$5.00B
Div. yield
–
Test and Measurement Technology
4 wins
RAL Ralliant Corp
$69.83 -0.2% 1M +62.5% 1Y
Market cap
$7.82B
P/E
–
Revenue (TTM)
$2.19B
Div. yield
–
Test and Measurement Technology
2 wins

Head to Head

11 decided of 12

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

QuestionTERRALTDYLeader
Larger companyMarket capitalisation $47.55B $7.82B $31.18B TER
Cheaper on earningsLower P/E, profitable companies only 54.2x -6.3x 30.4x TDY
Cheaper on forward earningsLower price / next fiscal year consensus EPS 32.5x 22.8x 25.6x RAL
Faster revenue growthRevenue growth, trailing twelve months +74.9% +5.9% +8.6% TER
More profitableNet margin, trailing twelve months — -56.4% 15.8% TDY
Better return on capitalReturn on invested capital — -43.2% 8.1% TDY
Less leveragedLower net debt / EBITDA — -0.8x 0.9x RAL
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +117.0% +62.5% +26.8% TER
Better 5-year returnAnnualised price return, 5 years +17.8%/yr — +8.2%/yr TER
Less volatileAnnualised volatility, 1 year 78.7% 55.0% 25.7% TDY
Higher overall scoreMean of the five percentile scores vs peers 60/100 28/100 69/100 TDY

Percentile Scorecard

TERRALTDY

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

AxisTERRALTDY
Valuation 18 #91 of 111 31 #77 of 111 62 #39 of 100
Growth 95 #6 of 108 4 #104 of 108 35 #63 of 97
Profitability 87 #14 of 104 23 #80 of 104 83 #17 of 96
Financial Health 65 #41 of 115 20 #92 of 115 73 #29 of 105
Shareholder Returns 35 #51 of 78 62 #30 of 78 91 #7 of 65
Overall 60 28 69
  • TER ranked among 121 companies in Computer Hardware
  • RAL ranked among 121 companies in Computer Hardware
  • 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

PeriodTERRALTDYSPY
1 month -21.9%-0.2%+9.0% +0.9%
3 months -1.9%+4.3%+5.5% +5.9%
6 months +2.3%+60.1%+5.6% +8.5%
Year to date +61.8%+37.2%+30.4% +13.3%
1 year +117.0%+62.5%+26.8% +12.4%
3 years +273.6%—+79.7% +88.1%
3 years, per year +55.2%—+21.6% +23.5%
5 years +126.6%—+48.3% +68.2%
5 years, per year +17.8%—+8.2% +11.0%
10 years +1,257.2%—+526.4% +263.4%
10 years, per year +29.8%—+20.1% +13.8%

Risk

MeasureTERRALTDYSPY
Volatility, 1Y 78.7%55.0%25.7% 12.7%
Downside volatility, 1Y 85.4%64.3%24.1% 12.7%
Beta vs S&P 500, 1Y 3.381.711.12 1.00
Return / volatility, 1Y 1.491.141.04 0.98
Max drawdown, 5Y -59.7%-31.8%-32.2% -25.4%
From 52-week high -35.3%-5.7%-3.6% -0.9%
52-week high $483.84$74.04$691.24 $779.14
52-week low $144.38$38.39$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.

MultipleTERRALTDY
P/E now vs peer median 54.2xmedian 33.5x -6.3xmedian 33.5x 30.0xmedian 26.4x
P/S now vs peer median 9.8xmedian 2.8x 3.5xmedian 2.8x 4.7xmedian 3.0x
EV/EBITDA now vs peer median —median 19.6x -8.2xmedian 19.6x 19.6xmedian 14.5x
P/FCF now vs peer median 80.9xmedian 29.8x 23.6xmedian 29.8x 26.8xmedian 26.1x
P/B now vs peer median 13.3xmedian 2.9x 5.0xmedian 2.9x 2.8xmedian 2.5x
PEG now vs peer median —median 1.10 —median 1.10 -50.58median 0.90

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 monthsTERRALTDY
Revenue $5.00B $2.19B $6.52B
Gross profit $2.97B $1.11B $2.84B
Operating income $1.61B -$1.17B $1.30B
Net income $1.38B -$1.23B $1.03B
Free cash flow – $327.70M $1.15B
R&D $598.20M $170.10M $330.60M
EPS (diluted) – $-10.95 $21.90
Cash & equivalents $460.74M $270.90M $562.40M
Total debt – $1.15B $2.03B
Shares (diluted) 157.69M 112.60M 46.90M
Enterprise value $47.55B $6.70B $29.40B

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
MetricTERRALTDY
P/E 54.2x -6.3x 30.0x
P/FCF 80.9x 23.6x 26.8x
P/Operating cash flow 36.8x 21.2x 24.0x
P/S 9.8x 3.5x 4.7x
P/B 13.3x 5.0x 2.8x
P/Tangible book 13.6x 9.7x 3.3x
EV/EBITDA – -8.2x 19.6x
EV/EBIT – -7.4x 24.7x
EV/Revenue 9.8x 3.9x 4.9x
EV/FCF – 26.2x 28.1x
EV/Operating cash flow 36.8x 23.6x 25.2x
PEG (3Y EPS CAGR) – – -50.58

Growth

14 metrics
MetricTERRALTDY
Revenue growth (1Y) 74.9% 5.9% 8.6%
Revenue CAGR (3Y) 22.2% – 0.5%
Gross profit growth (1Y) 76.1% 5.7% 10.8%
Gross profit CAGR (3Y) 23.4% – -0.1%
Operating income growth (1Y) 214.6% -436.8% 23.3%
Operating income CAGR (3Y) 43.5% – 0.0%
Net income growth (1Y) 211.2% -532.3% 25.5%
Net income CAGR (3Y) 39.9% – -1.3%
EPS growth (1Y) – -532.7% 27.2%
EPS CAGR (3Y) – – -0.6%
Operating cash flow growth (1Y) 96.9% -20.1% 11.9%
Operating cash flow CAGR (3Y) 36.8% – 26.7%
Free cash flow growth (1Y) – -21.7% 10.5%
Free cash flow CAGR (3Y) – – 29.4%

Profitability

14 metrics
MetricTERRALTDY
Gross margin – 50.9% 43.6%
EBITDA margin – -47.8% 25.3%
Operating margin – -53.3% 20.0%
Pretax margin – -56.1% 19.4%
Net margin – -56.4% 15.8%
FCF margin – 15.0% 17.6%
Operating cash flow margin 26.6% 16.7% 19.6%
Return on equity 38.7% -79.5% 9.3%
Return on assets 26.7% -33.3% 6.7%
Return on invested capital – -43.2% 8.1%
Return on capital employed – -38.0% 9.4%
Asset turnover 1.0x 0.6x 0.4x
Cash conversion (OCF / net income) 1.0x -0.3x 1.2x
Stock comp / revenue 1.6% 3.0% 0.6%

Financial Health

11 metrics
MetricTERRALTDY
Debt / assets – 31.0% 13.0%
Debt / equity – 0.7x 0.2x
Net debt / EBITDA – -0.8x 0.9x
Debt / FCF – 3.5x 1.8x
Liabilities / assets 31.4% 58.6% 28.5%
Equity / assets 67.7% 41.4% 71.5%
Interest coverage – -19.2x 26.9x
Current ratio 2.1x 1.5x 2.3x
Quick ratio – 0.9x 1.3x
Cash ratio – 0.4x 0.4x
Altman Z-score – 1.32 5.73

Shareholder Returns

7 metrics
MetricTERRALTDY
Dividend yield 0.2% 0.3% –
Net buyback yield – 2.0% 1.5%
Shareholder yield 0.2% 2.2% 1.5%
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.

ConsensusTERRALTDY
Forward P/E 32.5xFY2026 22.8xFY2026 25.6xFY2026
EPS, next fiscal year $9.65FY2026 $3.06FY2026 $26.05FY2026
EPS growth, next FY +143.7%FY2026 +13.8%FY2026 +18.5%FY2026
EPS growth, the year after +25.7% +14.1% +13.6%
Revenue, next fiscal year $5.01BFY2026 $2.45BFY2026 $6.20BFY2026
Revenue growth, next FY +57.1%FY2026 +18.5%FY2026 +1.4%FY2026
Revenue growth, the year after +18.9% +5.8% +5.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersTERRALTDY
Held by institutions 97.3% 100.0% 97.2%
Institutions holding 1,419 533 886
Change in shares held, QoQ +5.2% +1.7% +2.7%
Institutions buying 828 251 399
Institutions selling 456 165 327
Buyers to sellers 1.82 1.52 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.

TERRALTDY
TER 1.00 0.35 0.51
RAL 0.35 1.00 0.30
TDY 0.51 0.30 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, TER, RAL and TDY?

Teradyne (TER) is the largest by market capitalisation: Teradyne (TER) $47.55B, Ralliant (RAL) $7.82B, Teledyne Technologies (TDY) $31.18B.

Which stock is cheaper, TER, RAL and TDY?

Teledyne Technologies (TDY) trades on the lowest price-to-earnings ratio (Teradyne (TER) 54.2x, Ralliant (RAL) -6.3x, Teledyne Technologies (TDY) 30.4x). On next year's consensus earnings, Ralliant (RAL) is cheapest (Teradyne (TER) 32.5x, Ralliant (RAL) 22.8x, Teledyne Technologies (TDY) 25.6x). 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%, Ralliant (RAL) +5.9%, Teledyne Technologies (TDY) +8.6%.

Which company is more profitable?

Teledyne Technologies (TDY) has the highest net margin (Ralliant (RAL) -56.4%, Teledyne Technologies (TDY) 15.8%). On return on invested capital, Teledyne Technologies (TDY) leads (Ralliant (RAL) -43.2%, Teledyne Technologies (TDY) 8.1%).

Which stock has performed better?

Over the past year Teradyne (TER) returned the most: Teradyne (TER) +117.0%, Ralliant (RAL) +62.5%, Teledyne Technologies (TDY) +26.8%. Over five years, Teradyne (TER) compounded fastest (Teradyne (TER) +17.8%/yr, Teledyne Technologies (TDY) +8.2%/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) 78.7%, Ralliant (RAL) 55.0%, Teledyne Technologies (TDY) 25.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, TER, RAL 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, Teledyne Technologies (TDY) 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.