ATEN vs CIEN vs DOX Stock Comparison

A10 Networks, Ciena and Amdocs Prices as of Nov 4, 2026 Peers: Industry group
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ATEN A10 Networks, Inc.
$23.82 -15.5% 1M +36.0% 1Y
Market cap
$1.64B
P/E
38.1x
Revenue (TTM)
$310.17M
Div. yield
–
Networking Equipment Technology
3 wins
CIEN Ciena Corp
$271.66 -30.3% 1M +48.6% 1Y
Market cap
$33.24B
P/E
50.8x
Revenue (TTM)
$6.02B
Div. yield
–
Networking Equipment Technology
4 wins
DOX Amdocs Ltd
$43.66 -25.3% 1M -47.7% 1Y
Market cap
$4.89B
P/E
9.8x
Revenue (TTM)
$4.70B
Div. yield
–
Networking Equipment Technology
4 wins

Head to Head

11 decided of 12

Ciena leads on 4 of the 12 questions below (Ciena 4, Amdocs 4, A10 Networks 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionATENCIENDOXLeader
Larger companyMarket capitalisation $1.64B $33.24B $4.89B CIEN
Cheaper on earningsLower P/E, profitable companies only 38.1x 50.8x 9.8x DOX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 23.8x 35.7x 5.5x DOX
Faster revenue growthRevenue growth, trailing twelve months +12.2% +32.6% +3.6% CIEN
More profitableNet margin, trailing twelve months 13.9% 10.9% 10.7% ATEN
Better return on capitalReturn on invested capital 8.9% 12.4% 12.6% DOX
Less leveragedLower net debt / EBITDA -2.1x 0.7x — ATEN
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +36.0% +48.6% -47.7% CIEN
Better 5-year returnAnnualised price return, 5 years +7.5%/yr +35.1%/yr -10.4%/yr CIEN
Less volatileAnnualised volatility, 1 year 40.4% 80.1% 46.7% ATEN
Higher overall scoreMean of the five percentile scores vs peers 51/100 55/100 67/100 DOX

Percentile Scorecard

ATENCIENDOX

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

AxisATENCIENDOX
Valuation 43 #64 of 112 23 #87 of 112 89 #13 of 112
Growth 26 #80 of 108 94 #7 of 108 36 #70 of 108
Profitability 83 #19 of 104 82 #20 of 104 85 #16 of 104
Financial Health 33 #78 of 116 41 #69 of 116 30 #81 of 116
Shareholder Returns 68 #28 of 85 35 #56 of 85 94 #6 of 85
Overall 51 55 67
  • ATEN ranked among 121 companies in Computer Hardware
  • CIEN ranked among 121 companies in Computer Hardware
  • DOX ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodATENCIENDOXSPY
1 month -15.5%-30.3%-25.3% -1.0%
3 months -22.9%-33.6%-21.0% -0.4%
6 months -10.9%-52.9%-31.7% +4.5%
Year to date +34.7%+16.2%-45.8% +12.4%
1 year +36.0%+48.6%-47.7% +13.6%
3 years +117.9%+518.8%-47.1% +76.4%
3 years, per year +29.7%+83.7%-19.1% +20.8%
5 years +43.8%+349.0%-42.3% +63.7%
5 years, per year +7.5%+35.1%-10.4% +10.4%
10 years +220.2%+1,311.2%-25.0% +267.7%
10 years, per year +12.3%+30.3%-2.8% +13.9%

Risk

MeasureATENCIENDOXSPY
Volatility, 1Y 40.4%80.1%46.7% 12.8%
Downside volatility, 1Y 43.3%86.6%60.7% 12.7%
Beta vs S&P 500, 1Y 1.102.76-0.13 1.00
Return / volatility, 1Y 0.890.61-1.02 1.06
Max drawdown, 5Y -44.6%-56.7%-55.8% -25.4%
From 52-week high -37.5%-56.7%-48.9% -1.6%
52-week high $38.14$627.00$85.49 $779.14
52-week low $16.55$176.45$43.66 $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.

MultipleATENCIENDOX
P/E now vs peer median 40.0xmedian 28.1x 59.0xmedian 28.1x 9.7xmedian 28.1x
P/S now vs peer median 5.6xmedian 2.6x 6.4xmedian 2.6x 1.0xmedian 2.6x
EV/EBITDA now vs peer median 24.0xmedian 18.4x 43.6xmedian 18.4x —median 18.4x
P/FCF now vs peer median 28.3xmedian 26.6x 47.3xmedian 26.6x 3.4xmedian 26.6x
P/B now vs peer median 7.3xmedian 2.8x 12.6xmedian 2.8x 1.4xmedian 2.8x
PEG now vs peer median -18.62median 1.11 1.32median 1.11 178.68median 1.11

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 monthsATENCIENDOX
Revenue $310.17M $6.02B $4.70B
Gross profit $246.21M $2.65B $1.79B
Operating income $50.08M $738.95M $682.94M
Net income $42.97M $654.41M $501.24M
Free cash flow $60.94M $814.36M $1.38B
R&D $77.12M $924.94M $335.46M
EPS (diluted) $0.57 $4.48 $4.57
Cash & equivalents $54.70M $2.45B $197.05M
Total debt $219.52M $3.23B $946.99M
Shares (diluted) 75.65M 145.97M 109.66M
Enterprise value $160.74M $26.80B $4.02B

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
MetricATENCIENDOX
P/E 40.0x 59.0x 9.7x
P/FCF 28.3x 47.3x 3.4x
P/Operating cash flow 22.5x 36.5x 3.9x
P/S 5.6x 6.4x 1.0x
P/B 7.3x 12.6x 1.4x
P/Tangible book 7.7x 13.4x 1.4x
EV/EBITDA 24.0x 43.6x –
EV/EBIT 31.7x 53.0x 8.0x
EV/Revenue 5.1x 6.5x 1.2x
EV/FCF 26.1x 48.1x 4.0x
EV/Operating cash flow 20.7x 37.1x 4.6x
PEG (3Y EPS CAGR) -18.62 1.32 178.68

Growth

14 metrics
MetricATENCIENDOX
Revenue growth (1Y) 12.2% 32.6% 3.6%
Revenue CAGR (3Y) 4.3% 12.5% -1.3%
Gross profit growth (1Y) 11.7% 40.6% 4.0%
Gross profit CAGR (3Y) 4.0% 13.3% 1.2%
Operating income growth (1Y) 4.5% 200.1% -6.7%
Operating income CAGR (3Y) -0.2% 29.1% 1.5%
Net income growth (1Y) -15.8% 364.5% -11.7%
Net income CAGR (3Y) -2.1% 43.5% -2.6%
EPS growth (1Y) -18.6% 359.9% -11.2%
EPS CAGR (3Y) -2.1% 44.8% 0.1%
Operating cash flow growth (1Y) -9.8% 34.5% 60.4%
Operating cash flow CAGR (3Y) 8.6% 201.2% 13.5%
Free cash flow growth (1Y) -13.7% 34.5% 62.2%
Free cash flow CAGR (3Y) 7.4% 95.4% 13.5%

Profitability

14 metrics
MetricATENCIENDOX
Gross margin 79.4% 44.1% 38.1%
EBITDA margin 21.4% 14.9% –
Operating margin 16.1% 12.3% 14.5%
Pretax margin 17.5% 12.1% 13.5%
Net margin 13.9% 10.9% 10.7%
FCF margin 19.6% 13.5% 29.5%
Operating cash flow margin 24.8% 17.5% 25.6%
Return on equity 18.7% 22.0% 15.0%
Return on assets 6.5% 9.3% 7.8%
Return on invested capital 8.9% 12.4% 12.6%
Return on capital employed 17.8% 13.1% 14.6%
Asset turnover 0.5x 0.9x 0.7x
Cash conversion (OCF / net income) 1.8x 1.6x 2.4x
Stock comp / revenue 7.5% 3.5% –

Financial Health

11 metrics
MetricATENCIENDOX
Debt / assets 32.4% 40.4% 14.8%
Debt / equity 0.9x 1.1x 0.3x
Net debt / EBITDA -2.1x 0.7x –
Debt / FCF 3.6x 4.0x 0.7x
Liabilities / assets 64.9% 61.8% 47.9%
Equity / assets 35.1% 38.2% 52.1%
Interest coverage – 10.6x –
Current ratio 1.3x 3.8x 0.9x
Quick ratio 1.1x 2.8x 0.1x
Cash ratio 1.0x 1.9x 0.1x
Altman Z-score 3.30 5.88 –

Shareholder Returns

7 metrics
MetricATENCIENDOX
Dividend yield 1.0% – 5.1%
Net buyback yield 1.2% -1.3% –
Shareholder yield 2.2% -1.3% 5.1%
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.

ConsensusATENCIENDOX
Forward P/E 23.8xFY2026 35.7xFY2026 5.5xFY2026
EPS, next fiscal year $1.00FY2026 $7.60FY2026 $7.92FY2026
EPS growth, next FY +11.1%FY2026 +187.9%FY2026 +13.3%FY2026
EPS growth, the year after +13.0% +64.7% +4.0%
Revenue, next fiscal year $342.96MFY2026 $6.86BFY2026 $4.46BFY2026
Revenue growth, next FY +18.0%FY2026 +43.8%FY2026 -1.6%FY2026
Revenue growth, the year after +3.4% +18.0% +5.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersATENCIENDOX
Held by institutions 100.0% 93.0% 93.0%
Institutions holding 312 1,224 448
Change in shares held, QoQ +5.8% -1.7% +0.5%
Institutions buying 172 733 250
Institutions selling 99 379 153
Buyers to sellers 1.74 1.93 1.63

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.

ATENCIENDOX
ATEN 1.00 0.32 -0.02
CIEN 0.32 1.00 -0.04
DOX -0.02 -0.04 1.00

Add a Peer

Largest companies in the same industry

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Frequently Asked Questions

Which is bigger, ATEN, CIEN and DOX?

Ciena (CIEN) is the largest by market capitalisation: A10 Networks (ATEN) $1.64B, Ciena (CIEN) $33.24B, Amdocs (DOX) $4.89B.

Which stock is cheaper, ATEN, CIEN and DOX?

Amdocs (DOX) trades on the lowest price-to-earnings ratio (A10 Networks (ATEN) 38.1x, Ciena (CIEN) 50.8x, Amdocs (DOX) 9.8x). On next year's consensus earnings, Amdocs (DOX) is cheapest (A10 Networks (ATEN) 23.8x, Ciena (CIEN) 35.7x, Amdocs (DOX) 5.5x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Ciena (CIEN) grew revenue fastest over the trailing twelve months: A10 Networks (ATEN) +12.2%, Ciena (CIEN) +32.6%, Amdocs (DOX) +3.6%.

Which company is more profitable?

A10 Networks (ATEN) has the highest net margin (A10 Networks (ATEN) 13.9%, Ciena (CIEN) 10.9%, Amdocs (DOX) 10.7%). On return on invested capital, Amdocs (DOX) leads (A10 Networks (ATEN) 8.9%, Ciena (CIEN) 12.4%, Amdocs (DOX) 12.6%).

Which stock has performed better?

Over the past year Ciena (CIEN) returned the most: A10 Networks (ATEN) +36.0%, Ciena (CIEN) +48.6%, Amdocs (DOX) -47.7%. Over five years, Ciena (CIEN) compounded fastest (A10 Networks (ATEN) +7.5%/yr, Ciena (CIEN) +35.1%/yr, Amdocs (DOX) -10.4%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, A10 Networks (ATEN) has been the steadiest (A10 Networks (ATEN) 40.4%, Ciena (CIEN) 80.1%, Amdocs (DOX) 46.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, ATEN, CIEN and DOX?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Ciena (CIEN) leads on 4. 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.