EXTR vs DOX vs CIEN Stock Comparison

Extreme Networks, Amdocs and Ciena Prices as of Oct 28, 2026 Peers: Industry group
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EXTR Extreme Networks Inc
$24.44 +16.4% 1M +14.9% 1Y
Market cap
$3.19B
P/E
60.9x
Revenue (TTM)
$1.31B
Div. yield
–
Networking Equipment Technology
DOX Amdocs Ltd
$62.21 +8.3% 1M -26.3% 1Y
Market cap
$6.89B
P/E
15.1x
Revenue (TTM)
$4.65B
Div. yield
–
Networking Equipment Technology
4 wins
CIEN Ciena Corp
$363.26 +5.6% 1M +98.5% 1Y
Market cap
$50.30B
P/E
76.9x
Revenue (TTM)
$6.02B
Div. yield
–
Networking Equipment Technology
6 wins

Head to Head

10 decided of 12

Ciena leads on 6 of the 12 questions below (Ciena 6, Amdocs 4). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionEXTRDOXCIENLeader
Larger companyMarket capitalisation $3.19B $6.89B $50.30B CIEN
Cheaper on earningsLower P/E, profitable companies only 60.9x 15.1x 76.9x DOX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 17.7x 7.9x 47.8x DOX
Faster revenue growthRevenue growth, trailing twelve months +11.3% +0.1% +32.6% CIEN
More profitableNet margin, trailing twelve months — 9.8% 10.9% CIEN
Better return on capitalReturn on invested capital — — 12.4% –
Less leveragedLower net debt / EBITDA — 0.9x 0.7x CIEN
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +14.9% -26.3% +98.5% CIEN
Better 5-year returnAnnualised price return, 5 years +20.0%/yr -4.4%/yr +46.3%/yr CIEN
Less volatileAnnualised volatility, 1 year 55.6% 29.8% 77.9% DOX
Higher overall scoreMean of the five percentile scores vs peers 58/100 64/100 56/100 DOX

Percentile Scorecard

EXTRDOXCIEN

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

AxisEXTRDOXCIEN
Valuation 44 #63 of 111 92 #10 of 111 21 #88 of 111
Growth 53 #51 of 108 14 #93 of 108 94 #7 of 108
Profitability 76 #26 of 104 83 #19 of 104 84 #18 of 104
Financial Health – 37 #73 of 115 43 #66 of 115
Shareholder Returns – 95 #5 of 78 36 #50 of 78
Overall 58 64 56
  • EXTR ranked among 121 companies in Computer Hardware
  • DOX ranked among 121 companies in Computer Hardware
  • CIEN ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodEXTRDOXCIENSPY
1 month +16.4%+8.3%+5.6% +0.9%
3 months -15.9%+9.5%+9.9% +5.9%
6 months +11.9%-2.7%-23.6% +8.5%
Year to date +46.8%-22.7%+55.3% +13.3%
1 year +14.9%-26.3%+98.5% +12.4%
3 years +19.0%-20.9%+785.6% +88.1%
3 years, per year +6.0%-7.5%+107.0% +23.5%
5 years +148.6%-20.1%+569.1% +68.2%
5 years, per year +20.0%-4.4%+46.3% +11.0%
10 years +503.5%+6.3%+1,761.9% +263.4%
10 years, per year +19.7%+0.6%+34.0% +13.8%

Risk

MeasureEXTRDOXCIENSPY
Volatility, 1Y 55.6%29.8%77.9% 12.7%
Downside volatility, 1Y 56.6%32.5%82.8% 12.7%
Beta vs S&P 500, 1Y 1.560.252.79 1.00
Return / volatility, 1Y 0.27-0.881.26 0.98
Max drawdown, 5Y -67.2%-49.5%-49.7% -25.4%
From 52-week high -27.5%-27.2%-42.1% -0.9%
52-week high $33.71$85.49$627.00 $779.14
52-week low $13.74$49.87$176.45 $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.

MultipleEXTRDOXCIEN
P/E now vs peer median 61.8xmedian 33.5x 15.1xmedian 33.5x 78.9xmedian 33.5x
P/S now vs peer median 2.4xmedian 2.8x 1.4xmedian 2.8x 8.6xmedian 2.8x
EV/EBITDA now vs peer median —median 19.6x 8.9xmedian 19.6x 58.1xmedian 19.6x
P/FCF now vs peer median 29.0xmedian 29.8x 7.9xmedian 29.8x 63.3xmedian 29.8x
P/B now vs peer median 36.5xmedian 2.9x 2.0xmedian 2.9x 16.9xmedian 2.9x
PEG now vs peer median -3.43median 1.10 -4.14median 1.10 1.76median 1.10

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 monthsEXTRDOXCIEN
Revenue $1.31B $4.65B $6.02B
Gross profit – $1.78B $2.65B
Operating income $74.49M $626.70M $738.95M
Net income $52.49M $457.53M $654.41M
Free cash flow – $858.80M $814.36M
R&D $233.95M $343.21M $924.94M
EPS (diluted) $0.39 $4.17 $4.48
Cash & equivalents $244.52M $206.45M $2.45B
Total debt – $3.25B $3.23B
Shares (diluted) 134.97M 109.66M 145.97M
Enterprise value $3.19B $5.89B $43.86B

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
MetricEXTRDOXCIEN
P/E 61.8x 15.1x 78.9x
P/FCF 29.0x 7.9x 63.3x
P/Operating cash flow 17.6x 9.0x 48.9x
P/S 2.4x 1.4x 8.6x
P/B 36.5x 2.0x 16.9x
P/Tangible book 37.5x 2.2x 18.0x
EV/EBITDA – 8.9x 58.1x
EV/EBIT – 11.9x 70.6x
EV/Revenue 2.4x 1.6x 8.7x
EV/FCF – 8.7x 64.0x
EV/Operating cash flow 17.6x 10.0x 49.4x
PEG (3Y EPS CAGR) -3.43 -4.14 1.76

Growth

14 metrics
MetricEXTRDOXCIEN
Revenue growth (1Y) 11.3% 0.1% 32.6%
Revenue CAGR (3Y) -1.3% -1.1% 12.5%
Gross profit growth (1Y) – 2.9% 40.6%
Gross profit CAGR (3Y) – 1.5% 13.3%
Operating income growth (1Y) 126.0% -11.9% 200.1%
Operating income CAGR (3Y) -16.3% -3.0% 29.1%
Net income growth (1Y) 506.9% -18.0% 364.5%
Net income CAGR (3Y) -17.7% -7.0% 43.5%
EPS growth (1Y) 507.4% -14.5% 359.9%
EPS CAGR (3Y) -18.0% -3.7% 44.8%
Operating cash flow growth (1Y) 52.9% 1.6% 34.5%
Operating cash flow CAGR (3Y) -12.8% -0.8% 201.2%
Free cash flow growth (1Y) – 2.8% 34.5%
Free cash flow CAGR (3Y) – -3.2% 95.4%

Profitability

14 metrics
MetricEXTRDOXCIEN
Gross margin – 38.3% 44.1%
EBITDA margin – 17.9% 14.9%
Operating margin – 13.5% 12.3%
Pretax margin – 12.5% 12.1%
Net margin – 9.8% 10.9%
FCF margin – 18.5% 13.5%
Operating cash flow margin 13.9% 16.1% 17.5%
Return on equity 59.5% – 22.0%
Return on assets 4.2% 7.2% 9.3%
Return on invested capital – – 12.4%
Return on capital employed – 13.4% 13.1%
Asset turnover 1.1x 0.7x 0.9x
Cash conversion (OCF / net income) 3.5x 1.6x 1.6x
Stock comp / revenue 6.7% 2.4% 3.5%

Financial Health

11 metrics
MetricEXTRDOXCIEN
Debt / assets – 14.5% 40.4%
Debt / equity – 0.3x 1.1x
Net debt / EBITDA – 0.9x 0.7x
Debt / FCF – 1.1x 4.0x
Liabilities / assets – 48.1% 61.8%
Equity / assets 6.8% 51.9% 38.2%
Interest coverage – – 10.6x
Current ratio 1.0x 0.9x 3.8x
Quick ratio – 1.0x 2.8x
Cash ratio – 0.1x 1.9x
Altman Z-score – 3.94 7.46

Shareholder Returns

7 metrics
MetricEXTRDOXCIEN
Dividend yield – 3.6% –
Net buyback yield – 7.8% -0.9%
Shareholder yield – 11.4% -0.9%
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.

ConsensusEXTRDOXCIEN
Forward P/E 17.7xFY2027 7.9xFY2026 47.8xFY2026
EPS, next fiscal year $1.38FY2027 $7.92FY2026 $7.60FY2026
EPS growth, next FY +30.2%FY2027 +13.3%FY2026 +187.9%FY2026
EPS growth, the year after +2.9% +4.0% +64.7%
Revenue, next fiscal year $1.34BFY2027 $4.46BFY2026 $6.86BFY2026
Revenue growth, next FY +4.5%FY2027 -1.6%FY2026 +43.8%FY2026
Revenue growth, the year after +21.3% +5.0% +18.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersEXTRDOXCIEN
Held by institutions 96.7% 93.0% 92.9%
Institutions holding 338 446 1,220
Change in shares held, QoQ +1.2% +0.5% -1.7%
Institutions buying 181 250 729
Institutions selling 121 151 379
Buyers to sellers 1.50 1.66 1.92

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.

EXTRDOXCIEN
EXTR 1.00 0.00 0.31
DOX 0.00 1.00 -0.20
CIEN 0.31 -0.20 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, EXTR, DOX and CIEN?

Ciena (CIEN) is the largest by market capitalisation: Extreme Networks (EXTR) $3.19B, Amdocs (DOX) $6.89B, Ciena (CIEN) $50.30B.

Which stock is cheaper, EXTR, DOX and CIEN?

Amdocs (DOX) trades on the lowest price-to-earnings ratio (Extreme Networks (EXTR) 60.9x, Amdocs (DOX) 15.1x, Ciena (CIEN) 76.9x). On next year's consensus earnings, Amdocs (DOX) is cheapest (Extreme Networks (EXTR) 17.7x, Amdocs (DOX) 7.9x, Ciena (CIEN) 47.8x). 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: Extreme Networks (EXTR) +11.3%, Amdocs (DOX) +0.1%, Ciena (CIEN) +32.6%.

Which company is more profitable?

Ciena (CIEN) has the highest net margin (Amdocs (DOX) 9.8%, Ciena (CIEN) 10.9%).

Which stock has performed better?

Over the past year Ciena (CIEN) returned the most: Extreme Networks (EXTR) +14.9%, Amdocs (DOX) -26.3%, Ciena (CIEN) +98.5%. Over five years, Ciena (CIEN) compounded fastest (Extreme Networks (EXTR) +20.0%/yr, Amdocs (DOX) -4.4%/yr, Ciena (CIEN) +46.3%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Amdocs (DOX) has been the steadiest (Extreme Networks (EXTR) 55.6%, Amdocs (DOX) 29.8%, Ciena (CIEN) 77.9%). Volatility measures how widely the price swings, not the risk of the business.

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

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 6. 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.