ATEN vs CIEN vs UI Stock Comparison

A10 Networks, Ciena and Ubiquiti Prices as of Oct 29, 2026 Peers: Industry group
ATEN A10 Networks, Inc.
$25.83 +0.0% 1M +47.7% 1Y
Market cap
$1.77B
P/E
41.1x
Revenue (TTM)
$310.17M
Div. yield
–
Networking Equipment Technology
3 wins
CIEN Ciena Corp
$349.15 -1.6% 1M +84.5% 1Y
Market cap
$45.23B
P/E
69.1x
Revenue (TTM)
$6.02B
Div. yield
–
Networking Equipment Technology
4 wins
UI Ubiquiti Inc.
$606.97 +8.3% 1M -21.5% 1Y
Market cap
$34.24B
P/E
35.7x
Revenue (TTM)
$3.27B
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, Ubiquiti 4, A10 Networks 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionATENCIENUILeader
Larger companyMarket capitalisation $1.77B $45.23B $34.24B CIEN
Cheaper on earningsLower P/E, profitable companies only 41.1x 69.1x 35.7x UI
Cheaper on forward earningsLower price / next fiscal year consensus EPS 25.8x 45.9x 32.1x ATEN
Faster revenue growthRevenue growth, trailing twelve months +12.2% +32.6% +27.2% CIEN
More profitableNet margin, trailing twelve months 13.9% 10.9% 29.3% UI
Better return on capitalReturn on invested capital 8.9% 12.4% 72.8% UI
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 +47.7% +84.5% -21.5% CIEN
Better 5-year returnAnnualised price return, 5 years +6.7%/yr +45.1%/yr +14.7%/yr CIEN
Less volatileAnnualised volatility, 1 year 39.8% 77.9% 53.7% ATEN
Higher overall scoreMean of the five percentile scores vs peers 51/100 55/100 68/100 UI

Percentile Scorecard

ATENCIENUI

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

AxisATENCIENUI
Valuation 44 #63 of 112 21 #89 of 112 27 #82 of 112
Growth 28 #78 of 108 94 #7 of 108 88 #14 of 108
Profitability 85 #16 of 104 84 #18 of 104 99 #2 of 104
Financial Health 32 #79 of 116 41 #69 of 116 75 #30 of 116
Shareholder Returns 66 #27 of 78 36 #50 of 78 51 #39 of 78
Overall 51 55 68
  • ATEN ranked among 121 companies in Computer Hardware
  • CIEN ranked among 121 companies in Computer Hardware
  • UI ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodATENCIENUISPY
1 month +0.0%-1.6%+8.3% +0.7%
3 months -13.7%-6.1%+13.9% +3.7%
6 months -3.2%-33.8%-40.0% +7.1%
Year to date +46.0%+49.3%+9.7% +12.8%
1 year +47.7%+84.5%-21.5% +11.9%
3 years +139.2%+750.3%+411.4% +85.2%
3 years, per year +33.8%+104.2%+72.4% +22.8%
5 years +38.2%+543.1%+98.7% +67.6%
5 years, per year +6.7%+45.1%+14.7% +10.9%
10 years +245.8%+1,689.6%+1,063.2% +262.0%
10 years, per year +13.2%+33.4%+27.8% +13.7%

Risk

MeasureATENCIENUISPY
Volatility, 1Y 39.8%77.9%53.7% 12.7%
Downside volatility, 1Y 42.6%82.7%59.5% 12.6%
Beta vs S&P 500, 1Y 1.082.801.64 1.00
Return / volatility, 1Y 1.201.08-0.40 0.94
Max drawdown, 5Y -44.6%-49.7%-70.0% -25.4%
From 52-week high -32.3%-44.3%-44.0% -1.2%
52-week high $38.14$627.00$1,084.50 $779.14
52-week low $16.55$176.45$515.44 $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.

MultipleATENCIENUI
P/E now vs peer median 43.4xmedian 32.9x 75.8xmedian 32.9x 38.2xmedian 32.9x
P/S now vs peer median 6.0xmedian 2.9x 8.2xmedian 2.9x 11.2xmedian 2.9x
EV/EBITDA now vs peer median 26.2xmedian 20.0x 55.9xmedian 20.0x 30.0xmedian 20.0x
P/FCF now vs peer median 30.7xmedian 30.2x 60.8xmedian 30.2x 40.4xmedian 30.2x
P/B now vs peer median 7.9xmedian 2.9x 16.2xmedian 2.9x 25.5xmedian 2.9x
PEG now vs peer median -20.20median 1.08 1.69median 1.08 1.16median 1.08

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 monthsATENCIENUI
Revenue $310.17M $6.02B $3.27B
Gross profit $246.21M $2.65B $1.51B
Operating income $50.08M $738.95M $1.19B
Net income $42.97M $654.41M $960.30M
Free cash flow $60.94M $814.36M $908.94M
R&D $77.12M $924.94M $204.17M
EPS (diluted) $0.57 $4.48 $15.85
Cash & equivalents $54.70M $2.45B $522.58M
Total debt $219.52M $3.23B $180.81M
Shares (diluted) 75.65M 145.97M 60.57M
Enterprise value $290.63M $38.79B $32.78B

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
MetricATENCIENUI
P/E 43.4x 75.8x 38.2x
P/FCF 30.7x 60.8x 40.4x
P/Operating cash flow 24.4x 47.0x 39.6x
P/S 6.0x 8.2x 11.2x
P/B 7.9x 16.2x 25.5x
P/Tangible book 8.4x 17.3x 25.5x
EV/EBITDA 26.2x 55.9x 30.0x
EV/EBIT 34.6x 67.9x 30.5x
EV/Revenue 5.6x 8.3x 11.0x
EV/FCF 28.5x 61.6x 39.7x
EV/Operating cash flow 22.6x 47.5x 38.9x
PEG (3Y EPS CAGR) -20.20 1.69 1.16

Growth

14 metrics
MetricATENCIENUI
Revenue growth (1Y) 12.2% 32.6% 27.2%
Revenue CAGR (3Y) 4.3% 12.5% 19.0%
Gross profit growth (1Y) 11.7% 40.6% 35.3%
Gross profit CAGR (3Y) 4.0% 13.3% 25.7%
Operating income growth (1Y) 4.5% 200.1% 41.8%
Operating income CAGR (3Y) -0.2% 29.1% 29.6%
Net income growth (1Y) -15.8% 364.5% 34.9%
Net income CAGR (3Y) -2.1% 43.5% 33.1%
EPS growth (1Y) -18.6% 359.9% 34.8%
EPS CAGR (3Y) -2.1% 44.8% 33.0%
Operating cash flow growth (1Y) -9.8% 34.5% 45.1%
Operating cash flow CAGR (3Y) 8.6% 201.2% 103.2%
Free cash flow growth (1Y) -13.7% 34.5% 44.9%
Free cash flow CAGR (3Y) 7.4% 95.4% 95.4%

Profitability

14 metrics
MetricATENCIENUI
Gross margin 79.4% 44.1% 46.2%
EBITDA margin 21.4% 14.9% 36.8%
Operating margin 16.1% 12.3% 36.2%
Pretax margin 17.5% 12.1% 36.1%
Net margin 13.9% 10.9% 29.3%
FCF margin 19.6% 13.5% 27.8%
Operating cash flow margin 24.8% 17.5% 28.4%
Return on equity 18.7% 22.0% 72.7%
Return on assets 6.5% 9.3% 49.1%
Return on invested capital 8.9% 12.4% 72.8%
Return on capital employed 17.8% 13.1% 89.1%
Asset turnover 0.5x 0.9x 1.7x
Cash conversion (OCF / net income) 1.8x 1.6x 1.0x
Stock comp / revenue 7.5% 3.5% 0.2%

Financial Health

11 metrics
MetricATENCIENUI
Debt / assets 32.4% 40.4% –
Debt / equity 0.9x 1.1x –
Net debt / EBITDA -2.1x 0.7x –
Debt / FCF 3.6x 4.0x –
Liabilities / assets 64.9% 61.8% 34.5%
Equity / assets 35.1% 38.2% 65.5%
Interest coverage – 10.6x –
Current ratio 1.3x 3.8x 2.9x
Quick ratio 1.1x 2.8x 1.5x
Cash ratio 1.0x 1.9x 1.0x
Altman Z-score 3.49 7.21 33.91

Shareholder Returns

7 metrics
MetricATENCIENUI
Dividend yield 0.9% – 0.6%
Net buyback yield 1.1% -1.0% –
Shareholder yield 2.1% -1.0% 0.6%
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.

ConsensusATENCIENUI
Forward P/E 25.8xFY2026 45.9xFY2026 32.1xFY2027
EPS, next fiscal year $1.00FY2026 $7.60FY2026 $18.88FY2027
EPS growth, next FY +11.1%FY2026 +187.9%FY2026 +18.4%FY2027
EPS growth, the year after +13.0% +64.7% +9.2%
Revenue, next fiscal year $342.96MFY2026 $6.86BFY2026 $4.12BFY2027
Revenue growth, next FY +18.0%FY2026 +43.8%FY2026 +25.9%FY2027
Revenue growth, the year after +3.4% +18.0% +5.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersATENCIENUI
Held by institutions 100.0% 92.9% 4.9%
Institutions holding 311 1,221 355
Change in shares held, QoQ +5.8% -1.7% +8.0%
Institutions buying 171 730 163
Institutions selling 99 379 139
Buyers to sellers 1.73 1.93 1.17

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.

ATENCIENUI
ATEN 1.00 0.30 0.25
CIEN 0.30 1.00 0.42
UI 0.25 0.42 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ATEN, CIEN and UI?

Ciena (CIEN) is the largest by market capitalisation: A10 Networks (ATEN) $1.77B, Ciena (CIEN) $45.23B, Ubiquiti (UI) $34.24B.

Which stock is cheaper, ATEN, CIEN and UI?

Ubiquiti (UI) trades on the lowest price-to-earnings ratio (A10 Networks (ATEN) 41.1x, Ciena (CIEN) 69.1x, Ubiquiti (UI) 35.7x). On next year's consensus earnings, A10 Networks (ATEN) is cheapest (A10 Networks (ATEN) 25.8x, Ciena (CIEN) 45.9x, Ubiquiti (UI) 32.1x). 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%, Ubiquiti (UI) +27.2%.

Which company is more profitable?

Ubiquiti (UI) has the highest net margin (A10 Networks (ATEN) 13.9%, Ciena (CIEN) 10.9%, Ubiquiti (UI) 29.3%). On return on invested capital, Ubiquiti (UI) leads (A10 Networks (ATEN) 8.9%, Ciena (CIEN) 12.4%, Ubiquiti (UI) 72.8%).

Which stock has performed better?

Over the past year Ciena (CIEN) returned the most: A10 Networks (ATEN) +47.7%, Ciena (CIEN) +84.5%, Ubiquiti (UI) -21.5%. Over five years, Ciena (CIEN) compounded fastest (A10 Networks (ATEN) +6.7%/yr, Ciena (CIEN) +45.1%/yr, Ubiquiti (UI) +14.7%/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) 39.8%, Ciena (CIEN) 77.9%, Ubiquiti (UI) 53.7%). Volatility measures how widely the price swings, not the risk of the business.

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

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.