KEYS vs VIAV vs KLAC Stock Comparison

Keysight Technologies, Viavi Solutions and Kla Prices as of Nov 2, 2026 Peers: Industry group
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VIAV Viavi Solutions Inc.
$27.80 -41.0% 1M +57.1% 1Y
Market cap
$6.87B
P/E
–
Revenue (TTM)
$1.52B
Div. yield
–
Test and Measurement Technology
3 wins
KLAC Kla Corp
$153.11 -26.0% 1M +26.7% 1Y
Market cap
$199.50B
P/E
38.0x
Revenue (TTM)
$14.51B
Div. yield
0.30%
Semiconductor Equipment Technology
5 wins

Head to Head

11 decided of 12

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

QuestionKEYSVIAVKLACLeader
Larger companyMarket capitalisation $50.90B $6.87B $199.50B KLAC
Cheaper on earningsLower P/E, profitable companies only 40.6x -209.9x 38.0x KLAC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 27.9x 17.4x 27.0x VIAV
Faster revenue growthRevenue growth, trailing twelve months +25.5% +40.0% +15.8% VIAV
More profitableNet margin, trailing twelve months 19.1% -2.0% 36.2% KLAC
Better return on capitalReturn on invested capital 13.4% 0.0% 43.4% KLAC
Less leveragedLower net debt / EBITDA -0.1x -1.9x 0.6x VIAV
Higher dividend yieldTrailing dividend yield — — 0.30% –
Better 1-year returnPrice return, last 12 months +63.4% +57.1% +26.7% KEYS
Better 5-year returnAnnualised price return, 5 years +10.3%/yr +11.0%/yr +31.2%/yr KLAC
Less volatileAnnualised volatility, 1 year 45.8% 78.3% 62.1% KEYS
Higher overall scoreMean of the five percentile scores vs peers 63/100 35/100 60/100 KEYS

Percentile Scorecard

KEYSVIAVKLAC

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

AxisKEYSVIAVKLAC
Valuation 23 #86 of 112 24 #85 of 112 42 #55 of 94
Growth 65 #38 of 108 45 #60 of 108 56 #41 of 92
Profitability 88 #13 of 104 42 #61 of 104 97 #4 of 90
Financial Health 54 #54 of 116 45 #64 of 116 21 #80 of 101
Shareholder Returns 84 #14 of 80 20 #64 of 80 84 #13 of 74
Overall 63 35 60
  • KEYS ranked among 121 companies in Computer Hardware
  • VIAV ranked among 121 companies in Computer Hardware
  • KLAC ranked among 103 companies in Semiconductors

Price Performance

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

Returns

PeriodKEYSVIAVKLACSPY
1 month -22.2%-41.0%-26.0% -2.3%
3 months -7.2%-26.4%-16.2% -0.7%
6 months -14.9%-47.0%-10.6% +4.8%
Year to date +47.2%+56.0%+26.0% +10.3%
1 year +63.4%+57.1%+26.7% +10.3%
3 years +137.8%+234.5%+206.5% +73.0%
3 years, per year +33.5%+49.6%+45.3% +20.1%
5 years +63.0%+68.5%+288.9% +61.9%
5 years, per year +10.3%+11.0%+31.2% +10.1%
10 years +835.0%+287.7%+1,948.8% +258.6%
10 years, per year +25.1%+14.5%+35.3% +13.6%

Risk

MeasureKEYSVIAVKLACSPY
Volatility, 1Y 45.8%78.3%62.1% 12.8%
Downside volatility, 1Y 44.8%78.2%66.4% 12.8%
Beta vs S&P 500, 1Y 2.012.762.81 1.00
Return / volatility, 1Y 1.390.730.43 0.80
Max drawdown, 5Y -42.6%-62.8%-51.7% -25.4%
From 52-week high -22.9%-49.8%-49.3% -3.5%
52-week high $387.90$55.33$301.71 $779.14
52-week low $169.67$15.92$109.71 $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.

MultipleKEYSVIAVKLAC
P/E now vs peer median 40.6xmedian 29.9x -209.9xmedian 29.9x 38.0xmedian 41.3x
P/S now vs peer median 7.7xmedian 2.8x 4.5xmedian 2.8x 13.8xmedian 6.6x
EV/EBITDA now vs peer median 29.4xmedian 18.5x 29.6xmedian 18.5x 31.0xmedian 26.2x
P/FCF now vs peer median 34.7xmedian 28.0x 82.9xmedian 28.0x 49.4xmedian 37.7x
P/B now vs peer median 7.7xmedian 2.8x 4.7xmedian 2.8x 30.6xmedian 4.3x
PEG now vs peer median 8.31median 1.00 4.46median 1.00 1.81median 1.81

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 monthsKEYSVIAVKLAC
Revenue $6.58B $1.52B $14.51B
Gross profit $4.26B $875.40M $8.92B
Operating income $1.33B $105.10M $6.19B
Net income $1.26B -$30.40M $5.26B
Free cash flow $1.47B $82.80M $4.04B
R&D $1.19B $262.70M $1.57B
EPS (diluted) $7.28 $-0.13 $4.01
Cash & equivalents $2.61B $647.80M $1.53B
Total debt $2.52B $244.80M $5.72B
Shares (diluted) 173.00M 229.50M 1.31B
Enterprise value $41.84B $4.40B $192.08B

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
MetricKEYSVIAVKLAC
P/E 40.6x -209.9x 38.0x
P/FCF 34.7x 82.9x 49.4x
P/Operating cash flow 31.7x 60.3x 44.2x
P/S 7.7x 4.5x 13.8x
P/B 7.7x 4.7x 30.6x
P/Tangible book 9.3x 6.4x 31.6x
EV/EBITDA 29.4x 29.6x 31.0x
EV/EBIT 38.1x 61.5x 32.9x
EV/Revenue 7.7x 4.3x 14.0x
EV/FCF 34.6x 78.0x 50.4x
EV/Operating cash flow 31.7x 56.7x 45.1x
PEG (3Y EPS CAGR) 8.31 4.46 1.81

Growth

14 metrics
MetricKEYSVIAVKLAC
Revenue growth (1Y) 25.5% 40.0% 15.8%
Revenue CAGR (3Y) 5.6% 11.1% 12.6%
Gross profit growth (1Y) 30.2% 40.9% 16.1%
Gross profit CAGR (3Y) 5.8% 11.1% 13.8%
Operating income growth (1Y) 49.9% 82.8% 18.2%
Operating income CAGR (3Y) -2.1% 8.4% 17.8%
Net income growth (1Y) 131.6% -187.4% 24.1%
Net income CAGR (3Y) 3.7% -47.2% 19.2%
EPS growth (1Y) 131.6% -185.9% 25.3%
EPS CAGR (3Y) 4.9% -47.0% 21.0%
Operating cash flow growth (1Y) 4.0% 26.8% 6.2%
Operating cash flow CAGR (3Y) 4.0% -0.1% 8.4%
Free cash flow growth (1Y) 3.8% 33.5% 4.1%
Free cash flow CAGR (3Y) 6.6% 9.5% 7.9%

Profitability

14 metrics
MetricKEYSVIAVKLAC
Gross margin 64.7% 57.7% 61.5%
EBITDA margin 26.2% 14.4% 45.4%
Operating margin 20.3% 6.9% 42.6%
Pretax margin 21.5% 1.1% 42.2%
Net margin 19.1% -2.0% 36.2%
FCF margin 22.3% 5.5% 27.8%
Operating cash flow margin 24.4% 7.5% 31.1%
Return on equity 19.8% -2.7% 81.7%
Return on assets 10.8% -1.2% 28.9%
Return on invested capital 13.4% 0.0% 43.4%
Return on capital employed 14.5% 5.4% 45.4%
Asset turnover 0.6x 0.6x 0.8x
Cash conversion (OCF / net income) 1.3x -3.7x 0.9x
Stock comp / revenue 3.3% 3.6% 2.2%

Financial Health

11 metrics
MetricKEYSVIAVKLAC
Debt / assets 21.1% 9.0% 31.1%
Debt / equity 0.4x 0.2x 0.9x
Net debt / EBITDA -0.1x -1.9x 0.6x
Debt / FCF 1.7x 3.0x 1.4x
Liabilities / assets 44.9% 46.5% 64.6%
Equity / assets 55.1% 53.5% 35.4%
Interest coverage 12.3x 2.2x 22.0x
Current ratio 2.0x 1.8x 2.8x
Quick ratio 1.4x 1.5x 1.0x
Cash ratio 1.0x 1.0x 0.3x
Altman Z-score 7.85 -31.84 12.80

Shareholder Returns

7 metrics
MetricKEYSVIAVKLAC
Dividend yield – – 0.3%
Net buyback yield 2.3% -8.0% 1.3%
Shareholder yield 2.3% -8.0% 1.6%
Payout ratio (earnings) – – 21.1%
Payout ratio (FCF) – – 27.5%
Dividend growth (1Y) – – 15.7%
Dividend CAGR (3Y) – – 15.2%

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.

ConsensusKEYSVIAVKLAC
Forward P/E 27.9xFY2026 17.4xFY2027 27.0xFY2027
EPS, next fiscal year $10.71FY2026 $1.60FY2027 $5.67FY2027
EPS growth, next FY +49.6%FY2026 +60.0%FY2027 +50.8%FY2027
EPS growth, the year after +20.4% +14.4% +16.6%
Revenue, next fiscal year $6.71BFY2026 $1.82BFY2027 $19.18BFY2027
Revenue growth, next FY +24.8%FY2026 +19.4%FY2027 +41.2%FY2027
Revenue growth, the year after +18.9% +21.3% +8.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersKEYSVIAVKLAC
Held by institutions 89.8% 97.1% 91.0%
Institutions holding 1,249 566 2,480
Change in shares held, QoQ +1.2% +4.6% +4.2%
Institutions buying 676 344 1,286
Institutions selling 381 182 983
Buyers to sellers 1.77 1.89 1.31

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.

KEYSVIAVKLAC
KEYS 1.00 0.70 0.63
VIAV 0.70 1.00 0.58
KLAC 0.63 0.58 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, KEYS, VIAV and KLAC?

Kla (KLAC) is the largest by market capitalisation: Keysight Technologies (KEYS) $50.90B, Viavi Solutions (VIAV) $6.87B, Kla (KLAC) $199.50B.

Which stock is cheaper, KEYS, VIAV and KLAC?

Kla (KLAC) trades on the lowest price-to-earnings ratio (Keysight Technologies (KEYS) 40.6x, Viavi Solutions (VIAV) -209.9x, Kla (KLAC) 38.0x). On next year's consensus earnings, Viavi Solutions (VIAV) is cheapest (Keysight Technologies (KEYS) 27.9x, Viavi Solutions (VIAV) 17.4x, Kla (KLAC) 27.0x). 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%, Viavi Solutions (VIAV) +40.0%, Kla (KLAC) +15.8%.

Which company is more profitable?

Kla (KLAC) has the highest net margin (Keysight Technologies (KEYS) 19.1%, Viavi Solutions (VIAV) -2.0%, Kla (KLAC) 36.2%). On return on invested capital, Kla (KLAC) leads (Keysight Technologies (KEYS) 13.4%, Viavi Solutions (VIAV) 0.0%, Kla (KLAC) 43.4%).

Which stock has performed better?

Over the past year Keysight Technologies (KEYS) returned the most: Keysight Technologies (KEYS) +63.4%, Viavi Solutions (VIAV) +57.1%, Kla (KLAC) +26.7%. Over five years, Kla (KLAC) compounded fastest (Keysight Technologies (KEYS) +10.3%/yr, Viavi Solutions (VIAV) +11.0%/yr, Kla (KLAC) +31.2%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Kla (KLAC) 0.30%. 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) 45.8%, Viavi Solutions (VIAV) 78.3%, Kla (KLAC) 62.1%). Volatility measures how widely the price swings, not the risk of the business.

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

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.