KEYS vs VIAV vs TDY Stock Comparison

Keysight Technologies, Viavi Solutions and Teledyne Technologies Prices as of Nov 4, 2026 Peers: Industry group
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VIAV Viavi Solutions Inc.
$29.38 -37.4% 1M +75.3% 1Y
Market cap
$7.26B
P/E
–
Revenue (TTM)
$1.52B
Div. yield
–
Test and Measurement Technology
5 wins

Head to Head

11 decided of 12

Viavi Solutions leads on 5 of the 12 questions below (Viavi Solutions 5, Keysight Technologies 3, Teledyne Technologies 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionKEYSVIAVTDYLeader
Larger companyMarket capitalisation $48.66B $7.26B $29.20B KEYS
Cheaper on earningsLower P/E, profitable companies only 38.8x -221.8x 28.5x TDY
Cheaper on forward earningsLower price / next fiscal year consensus EPS 26.7x 18.4x 24.3x VIAV
Faster revenue growthRevenue growth, trailing twelve months +25.5% +40.0% +8.6% VIAV
More profitableNet margin, trailing twelve months 19.1% -2.0% 15.8% KEYS
Better return on capitalReturn on invested capital 13.4% 0.0% 8.1% KEYS
Less leveragedLower net debt / EBITDA -0.1x -1.9x 0.9x VIAV
Higher dividend yieldTrailing dividend yield — — — –
Better 1-year returnPrice return, last 12 months +59.6% +75.3% +23.6% VIAV
Better 5-year returnAnnualised price return, 5 years +9.3%/yr +13.2%/yr +7.2%/yr VIAV
Less volatileAnnualised volatility, 1 year 46.0% 78.4% 26.2% TDY
Higher overall scoreMean of the five percentile scores vs peers 64/100 35/100 71/100 TDY

Percentile Scorecard

KEYSVIAVTDY

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

AxisKEYSVIAVTDY
Valuation 27 #82 of 112 25 #84 of 112 66 #35 of 101
Growth 65 #39 of 108 44 #61 of 108 39 #60 of 98
Profitability 88 #13 of 104 41 #62 of 104 82 #18 of 97
Financial Health 54 #54 of 116 44 #66 of 116 75 #28 of 107
Shareholder Returns 87 #12 of 85 21 #67 of 85 91 #7 of 66
Overall 64 35 71
  • KEYS ranked among 121 companies in Computer Hardware
  • VIAV ranked among 121 companies in Computer Hardware
  • TDY ranked among 108 companies in Aerospace and Defense

Price Performance

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

Returns

PeriodKEYSVIAVTDYSPY
1 month -25.6%-37.4%+2.0% -1.0%
3 months -14.9%-24.5%-7.6% -0.4%
6 months -22.0%-44.6%-1.9% +4.5%
Year to date +40.7%+64.9%+23.7% +12.4%
1 year +59.6%+75.3%+23.6% +13.6%
3 years +127.3%+253.5%+66.5% +76.4%
3 years, per year +31.5%+52.4%+18.5% +20.8%
5 years +55.6%+86.1%+41.6% +63.7%
5 years, per year +9.3%+13.2%+7.2% +10.4%
10 years +798.3%+302.5%+514.4% +267.7%
10 years, per year +24.6%+14.9%+19.9% +13.9%

Risk

MeasureKEYSVIAVTDYSPY
Volatility, 1Y 46.0%78.4%26.2% 12.8%
Downside volatility, 1Y 45.5%78.0%25.4% 12.7%
Beta vs S&P 500, 1Y 1.902.701.07 1.00
Return / volatility, 1Y 1.290.960.90 1.06
Max drawdown, 5Y -42.6%-62.8%-32.2% -25.4%
From 52-week high -26.3%-46.9%-8.6% -1.6%
52-week high $387.90$55.33$691.24 $779.14
52-week low $169.67$15.92$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.

MultipleKEYSVIAVTDY
P/E now vs peer median 38.8xmedian 28.1x -221.8xmedian 28.1x 28.5xmedian 25.9x
P/S now vs peer median 7.4xmedian 2.6x 4.8xmedian 2.6x 4.5xmedian 2.8x
EV/EBITDA now vs peer median 28.1xmedian 18.4x 31.4xmedian 18.4x 18.6xmedian 14.7x
P/FCF now vs peer median 33.1xmedian 26.6x 87.6xmedian 26.6x 25.4xmedian 26.9x
P/B now vs peer median 7.4xmedian 2.8x 5.0xmedian 2.8x 2.6xmedian 2.5x
PEG now vs peer median 7.95median 1.11 4.72median 1.11 -47.99median 0.94

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 monthsKEYSVIAVTDY
Revenue $6.58B $1.52B $6.52B
Gross profit $4.26B $875.40M $2.84B
Operating income $1.33B $105.10M $1.30B
Net income $1.26B -$30.40M $1.03B
Free cash flow $1.47B $82.80M $1.15B
R&D $1.19B $262.70M $330.60M
EPS (diluted) $7.28 $-0.13 $21.90
Cash & equivalents $2.61B $647.80M $562.40M
Total debt $2.52B $244.80M $2.03B
Shares (diluted) 173.00M 229.50M 46.90M
Enterprise value $39.59B $4.79B $27.43B

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
MetricKEYSVIAVTDY
P/E 38.8x -221.8x 28.5x
P/FCF 33.1x 87.6x 25.4x
P/Operating cash flow 30.3x 63.7x 22.8x
P/S 7.4x 4.8x 4.5x
P/B 7.4x 5.0x 2.6x
P/Tangible book 8.9x 6.8x 3.2x
EV/EBITDA 28.1x 31.4x 18.6x
EV/EBIT 36.4x 65.2x 23.5x
EV/Revenue 7.4x 4.5x 4.7x
EV/FCF 33.1x 82.8x 26.7x
EV/Operating cash flow 30.3x 60.2x 23.9x
PEG (3Y EPS CAGR) 7.95 4.72 -47.99

Growth

14 metrics
MetricKEYSVIAVTDY
Revenue growth (1Y) 25.5% 40.0% 8.6%
Revenue CAGR (3Y) 5.6% 11.1% 0.5%
Gross profit growth (1Y) 30.2% 40.9% 10.8%
Gross profit CAGR (3Y) 5.8% 11.1% -0.1%
Operating income growth (1Y) 49.9% 82.8% 23.3%
Operating income CAGR (3Y) -2.1% 8.4% 0.0%
Net income growth (1Y) 131.6% -187.4% 25.5%
Net income CAGR (3Y) 3.7% -47.2% -1.3%
EPS growth (1Y) 131.6% -185.9% 27.2%
EPS CAGR (3Y) 4.9% -47.0% -0.6%
Operating cash flow growth (1Y) 4.0% 26.8% 11.9%
Operating cash flow CAGR (3Y) 4.0% -0.1% 26.7%
Free cash flow growth (1Y) 3.8% 33.5% 10.5%
Free cash flow CAGR (3Y) 6.6% 9.5% 29.4%

Profitability

14 metrics
MetricKEYSVIAVTDY
Gross margin 64.7% 57.7% 43.6%
EBITDA margin 26.2% 14.4% 25.3%
Operating margin 20.3% 6.9% 20.0%
Pretax margin 21.5% 1.1% 19.4%
Net margin 19.1% -2.0% 15.8%
FCF margin 22.3% 5.5% 17.6%
Operating cash flow margin 24.4% 7.5% 19.6%
Return on equity 19.8% -2.7% 9.3%
Return on assets 10.8% -1.2% 6.7%
Return on invested capital 13.4% 0.0% 8.1%
Return on capital employed 14.5% 5.4% 9.4%
Asset turnover 0.6x 0.6x 0.4x
Cash conversion (OCF / net income) 1.3x -3.7x 1.2x
Stock comp / revenue 3.3% 3.6% 0.6%

Financial Health

11 metrics
MetricKEYSVIAVTDY
Debt / assets 21.1% 9.0% 13.0%
Debt / equity 0.4x 0.2x 0.2x
Net debt / EBITDA -0.1x -1.9x 0.9x
Debt / FCF 1.7x 3.0x 1.8x
Liabilities / assets 44.9% 46.5% 28.5%
Equity / assets 55.1% 53.5% 71.5%
Interest coverage 12.3x 2.2x 26.9x
Current ratio 2.0x 1.8x 2.3x
Quick ratio 1.4x 1.5x 1.3x
Cash ratio 1.0x 1.0x 0.4x
Altman Z-score 7.60 -31.65 5.51

Shareholder Returns

7 metrics
MetricKEYSVIAVTDY
Dividend yield – – –
Net buyback yield 2.4% -7.6% 1.6%
Shareholder yield 2.4% -7.6% 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.

ConsensusKEYSVIAVTDY
Forward P/E 26.7xFY2026 18.4xFY2027 24.3xFY2026
EPS, next fiscal year $10.71FY2026 $1.60FY2027 $26.05FY2026
EPS growth, next FY +49.6%FY2026 +60.0%FY2027 +18.5%FY2026
EPS growth, the year after +20.4% +14.4% +13.6%
Revenue, next fiscal year $6.71BFY2026 $1.82BFY2027 $6.20BFY2026
Revenue growth, next FY +24.8%FY2026 +19.4%FY2027 +1.4%FY2026
Revenue growth, the year after +18.9% +21.3% +5.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersKEYSVIAVTDY
Held by institutions 89.8% 97.1% 97.2%
Institutions holding 1,249 566 888
Change in shares held, QoQ +1.2% +4.6% +2.7%
Institutions buying 676 344 399
Institutions selling 381 182 329
Buyers to sellers 1.77 1.89 1.21

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.

KEYSVIAVTDY
KEYS 1.00 0.70 0.52
VIAV 0.70 1.00 0.36
TDY 0.52 0.36 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, KEYS, VIAV and TDY?

Keysight Technologies (KEYS) is the largest by market capitalisation: Keysight Technologies (KEYS) $48.66B, Viavi Solutions (VIAV) $7.26B, Teledyne Technologies (TDY) $29.20B.

Which stock is cheaper, KEYS, VIAV and TDY?

Teledyne Technologies (TDY) trades on the lowest price-to-earnings ratio (Keysight Technologies (KEYS) 38.8x, Viavi Solutions (VIAV) -221.8x, Teledyne Technologies (TDY) 28.5x). On next year's consensus earnings, Viavi Solutions (VIAV) is cheapest (Keysight Technologies (KEYS) 26.7x, Viavi Solutions (VIAV) 18.4x, Teledyne Technologies (TDY) 24.3x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Viavi Solutions (VIAV) grew revenue fastest over the trailing twelve months: Keysight Technologies (KEYS) +25.5%, Viavi Solutions (VIAV) +40.0%, Teledyne Technologies (TDY) +8.6%.

Which company is more profitable?

Keysight Technologies (KEYS) has the highest net margin (Keysight Technologies (KEYS) 19.1%, Viavi Solutions (VIAV) -2.0%, Teledyne Technologies (TDY) 15.8%). On return on invested capital, Keysight Technologies (KEYS) leads (Keysight Technologies (KEYS) 13.4%, Viavi Solutions (VIAV) 0.0%, Teledyne Technologies (TDY) 8.1%).

Which stock has performed better?

Over the past year Viavi Solutions (VIAV) returned the most: Keysight Technologies (KEYS) +59.6%, Viavi Solutions (VIAV) +75.3%, Teledyne Technologies (TDY) +23.6%. Over five years, Viavi Solutions (VIAV) compounded fastest (Keysight Technologies (KEYS) +9.3%/yr, Viavi Solutions (VIAV) +13.2%/yr, Teledyne Technologies (TDY) +7.2%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Teledyne Technologies (TDY) has been the steadiest (Keysight Technologies (KEYS) 46.0%, Viavi Solutions (VIAV) 78.4%, Teledyne Technologies (TDY) 26.2%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, KEYS, VIAV 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, Viavi Solutions (VIAV) 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.