KEYS vs KLAC vs VIAV Stock Comparison

Keysight Technologies, Kla and Viavi Solutions Prices as of Oct 23, 2026 Peers: Industry group
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KLAC Kla Corp
$145.61 -22.5% 1M +25.6% 1Y
Market cap
$195.64B
P/E
40.5x
Revenue (TTM)
$13.58B
Div. yield
0.01%
Semiconductor Equipment Technology
5 wins
VIAV Viavi Solutions Inc.
$30.44 -16.4% 1M +126.8% 1Y
Market cap
$7.32B
P/E
–
Revenue (TTM)
$1.52B
Div. yield
–
Test and Measurement Technology
4 wins

Head to Head

11 decided of 12

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

QuestionKEYSKLACVIAVLeader
Larger companyMarket capitalisation $55.73B $195.64B $7.32B KLAC
Cheaper on earningsLower P/E, profitable companies only 44.2x 40.5x -240.8x KLAC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 29.4x 25.7x 19.0x VIAV
Faster revenue growthRevenue growth, trailing twelve months +25.5% +11.7% +40.0% VIAV
More profitableNet margin, trailing twelve months 19.1% 35.6% -2.0% KLAC
Better return on capitalReturn on invested capital 13.4% 40.7% 0.0% KLAC
Less leveragedLower net debt / EBITDA -0.1x 0.7x -1.9x VIAV
Higher dividend yieldTrailing dividend yield 0.00% 0.01% 0.00% –
Better 1-year returnPrice return, last 12 months +86.8% +25.6% +126.8% VIAV
Better 5-year returnAnnualised price return, 5 years +12.3%/yr +33.6%/yr +14.7%/yr KLAC
Less volatileAnnualised volatility, 1 year 45.0% 61.4% 79.3% KEYS
Higher overall scoreMean of the five percentile scores vs peers 63/100 59/100 36/100 KEYS

Percentile Scorecard

KEYSKLACVIAV

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

AxisKEYSKLACVIAV
Valuation 27 #82 of 112 38 #59 of 95 26 #83 of 112
Growth 64 #40 of 109 54 #43 of 93 45 #60 of 109
Profitability 89 #13 of 105 97 #4 of 91 43 #60 of 105
Financial Health 54 #54 of 117 21 #81 of 102 47 #63 of 117
Shareholder Returns 80 #17 of 82 84 #13 of 76 21 #65 of 82
Overall 63 59 36
  • KEYS ranked among 122 companies in Computer Hardware
  • KLAC ranked among 104 companies in Semiconductors
  • VIAV ranked among 122 companies in Computer Hardware

Price Performance

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

Returns

PeriodKEYSKLACVIAVSPY
1 month -11.0%-22.5%-16.4% -1.0%
3 months -1.3%-30.8%-23.0% +2.9%
6 months -9.3%-24.7%-36.3% +6.4%
Year to date +54.8%+19.8%+70.8% +11.4%
1 year +86.8%+25.6%+126.8% +13.1%
3 years +157.4%+209.6%+301.1% +79.4%
3 years, per year +37.1%+45.8%+58.9% +21.5%
5 years +78.5%+324.5%+98.2% +67.7%
5 years, per year +12.3%+33.6%+14.7% +10.9%
10 years +868.3%+1,877.3%+323.4% +255.2%
10 years, per year +25.5%+34.8%+15.5% +13.5%

Risk

MeasureKEYSKLACVIAVSPY
Volatility, 1Y 45.0%61.4%79.3% 12.7%
Downside volatility, 1Y 43.9%65.4%76.1% 12.7%
Beta vs S&P 500, 1Y 1.892.792.47 1.00
Return / volatility, 1Y 1.930.421.60 1.03
Max drawdown, 5Y -42.6%-51.7%-62.8% -25.4%
From 52-week high -18.9%-51.7%-45.0% -2.5%
52-week high $387.90$301.71$55.33 $779.14
52-week low $167.77$109.71$13.42 $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.

MultipleKEYSKLACVIAV
P/E now vs peer median 42.7xmedian 31.3x 39.5xmedian 41.5x -229.8xmedian 31.3x
P/S now vs peer median 8.1xmedian 2.6x 14.0xmedian 6.9x 5.0xmedian 2.6x
EV/EBITDA now vs peer median 31.0xmedian 19.6x 32.1xmedian 27.3x 32.6xmedian 19.6x
P/FCF now vs peer median 36.5xmedian 28.3x 50.5xmedian 35.6x 90.8xmedian 28.3x
P/B now vs peer median 8.2xmedian 2.9x 30.0xmedian 4.2x 5.2xmedian 2.9x
PEG now vs peer median 8.75median 1.15 2.66median 2.31 4.89median 1.15

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 monthsKEYSKLACVIAV
Revenue $6.58B $13.58B $1.52B
Gross profit $4.26B $8.32B $875.40M
Operating income $1.33B $5.66B $105.10M
Net income $1.26B $4.83B -$30.40M
Free cash flow $1.47B $3.77B $82.80M
R&D $1.19B $1.53B $262.70M
EPS (diluted) $7.28 $3.66 $-0.13
Cash & equivalents $2.61B $1.65B $647.80M
Total debt $2.52B $5.89B $693.80M
Shares (diluted) 173.00M 1.32B 229.50M
Enterprise value $46.66B $187.80B $4.86B

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
MetricKEYSKLACVIAV
P/E 42.7x 39.5x -229.8x
P/FCF 36.5x 50.5x 90.8x
P/Operating cash flow 33.4x 45.9x 66.0x
P/S 8.1x 14.0x 5.0x
P/B 8.2x 30.0x 5.2x
P/Tangible book 9.8x 31.2x 7.0x
EV/EBITDA 31.0x 32.1x 32.6x
EV/EBIT 40.1x 34.4x 67.7x
EV/Revenue 8.1x 14.3x 4.7x
EV/FCF 36.4x 51.6x 85.9x
EV/Operating cash flow 33.3x 47.0x 62.5x
PEG (3Y EPS CAGR) 8.75 2.66 4.89

Growth

14 metrics
MetricKEYSKLACVIAV
Revenue growth (1Y) 25.5% 11.7% 40.0%
Revenue CAGR (3Y) 5.6% 9.0% 11.1%
Gross profit growth (1Y) 30.2% 12.4% 40.9%
Gross profit CAGR (3Y) 5.8% 9.9% 11.1%
Operating income growth (1Y) 49.9% 12.9% 82.8%
Operating income CAGR (3Y) -2.1% 12.3% 8.4%
Net income growth (1Y) 131.6% 18.9% -187.4%
Net income CAGR (3Y) 3.7% 12.6% -47.2%
EPS growth (1Y) 131.6% 20.5% -185.9%
EPS CAGR (3Y) 4.9% 14.9% -47.0%
Operating cash flow growth (1Y) 4.0% 1.5% 26.8%
Operating cash flow CAGR (3Y) 4.0% 4.1% -0.1%
Free cash flow growth (1Y) 3.8% 0.5% 33.5%
Free cash flow CAGR (3Y) 6.6% 4.2% 9.5%

Profitability

14 metrics
MetricKEYSKLACVIAV
Gross margin 64.7% 61.3% 57.7%
EBITDA margin 26.2% 44.6% 14.4%
Operating margin 20.3% 41.7% 6.9%
Pretax margin 21.5% 41.3% 1.1%
Net margin 19.1% 35.6% -2.0%
FCF margin 22.3% 27.7% 5.5%
Operating cash flow margin 24.4% 30.5% 7.5%
Return on equity 19.8% 79.3% -2.7%
Return on assets 10.8% 27.7% -1.2%
Return on invested capital 13.4% 40.7% 0.0%
Return on capital employed 14.5% 43.2% 5.4%
Asset turnover 0.6x 0.8x 0.6x
Cash conversion (OCF / net income) 1.3x 0.9x -3.7x
Stock comp / revenue 3.3% 2.3% 3.6%

Financial Health

11 metrics
MetricKEYSKLACVIAV
Debt / assets 21.1% 32.8% 9.0%
Debt / equity 0.4x 0.9x 0.2x
Net debt / EBITDA -0.1x 0.7x -1.9x
Debt / FCF 1.7x 1.6x 3.0x
Liabilities / assets 44.9% 64.6% 46.5%
Equity / assets 55.1% 35.4% 53.5%
Interest coverage 12.3x 19.9x 2.2x
Current ratio 2.0x 2.9x 1.8x
Quick ratio 1.4x 1.1x 1.5x
Cash ratio 1.0x 0.4x 1.0x
Altman Z-score 8.15 12.47 -31.53

Shareholder Returns

7 metrics
MetricKEYSKLACVIAV
Dividend yield – 0.6% –
Net buyback yield 2.2% 1.1% -7.3%
Shareholder yield 2.2% 1.7% -7.3%
Payout ratio (earnings) – 21.9% –
Payout ratio (FCF) – 28.1% –
Dividend growth (1Y) – 17.2% –
Dividend CAGR (3Y) – 13.1% –

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.

ConsensusKEYSKLACVIAV
Forward P/E 29.4xFY2026 25.7xFY2027 19.0xFY2027
EPS, next fiscal year $10.71FY2026 $5.67FY2027 $1.60FY2027
EPS growth, next FY +49.6%FY2026 +50.8%FY2027 +60.0%FY2027
EPS growth, the year after +20.4% +16.8% +14.4%
Revenue, next fiscal year $6.71BFY2026 $19.18BFY2027 $1.82BFY2027
Revenue growth, next FY +24.8%FY2026 +41.2%FY2027 +19.4%FY2027
Revenue growth, the year after +18.9% +8.6% +21.3%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersKEYSKLACVIAV
Held by institutions 89.8% 91.0% 97.1%
Institutions holding 1,246 2,478 564
Change in shares held, QoQ +1.2% +4.2% +4.6%
Institutions buying 674 1,285 343
Institutions selling 380 982 181
Buyers to sellers 1.77 1.31 1.90

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.

KEYSKLACVIAV
KEYS 1.00 0.62 0.68
KLAC 0.62 1.00 0.55
VIAV 0.68 0.55 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, KEYS, KLAC and VIAV?

Kla (KLAC) is the largest by market capitalisation: Keysight Technologies (KEYS) $55.73B, Kla (KLAC) $195.64B, Viavi Solutions (VIAV) $7.32B.

Which stock is cheaper, KEYS, KLAC and VIAV?

Kla (KLAC) trades on the lowest price-to-earnings ratio (Keysight Technologies (KEYS) 44.2x, Kla (KLAC) 40.5x, Viavi Solutions (VIAV) -240.8x). On next year's consensus earnings, Viavi Solutions (VIAV) is cheapest (Keysight Technologies (KEYS) 29.4x, Kla (KLAC) 25.7x, Viavi Solutions (VIAV) 19.0x). 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%, Kla (KLAC) +11.7%, Viavi Solutions (VIAV) +40.0%.

Which company is more profitable?

Kla (KLAC) has the highest net margin (Keysight Technologies (KEYS) 19.1%, Kla (KLAC) 35.6%, Viavi Solutions (VIAV) -2.0%). On return on invested capital, Kla (KLAC) leads (Keysight Technologies (KEYS) 13.4%, Kla (KLAC) 40.7%, Viavi Solutions (VIAV) 0.0%).

Which stock has performed better?

Over the past year Viavi Solutions (VIAV) returned the most: Keysight Technologies (KEYS) +86.8%, Kla (KLAC) +25.6%, Viavi Solutions (VIAV) +126.8%. Over five years, Kla (KLAC) compounded fastest (Keysight Technologies (KEYS) +12.3%/yr, Kla (KLAC) +33.6%/yr, Viavi Solutions (VIAV) +14.7%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Keysight Technologies (KEYS) 0.00%, Kla (KLAC) 0.01%, Viavi Solutions (VIAV) 0.00%. Keysight Technologies (KEYS) and Viavi Solutions (VIAV) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Keysight Technologies (KEYS) has been the steadiest (Keysight Technologies (KEYS) 45.0%, Kla (KLAC) 61.4%, Viavi Solutions (VIAV) 79.3%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, KEYS, KLAC and VIAV?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Kla (KLAC) 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.