EXTR vs CIEN vs CALX Stock Comparison

Extreme Networks, Ciena and Calix Prices as of Oct 27, 2026 Peers: Industry group
EXTR Extreme Networks Inc
$23.85 +10.8% 1M +15.0% 1Y
Market cap
$3.13B
P/E
75.2x
Revenue (TTM)
$1.28B
Div. yield
–
Networking Equipment Technology
3 wins
CIEN Ciena Corp
$351.18 -1.6% 1M +92.4% 1Y
Market cap
$49.83B
P/E
76.2x
Revenue (TTM)
$6.02B
Div. yield
–
Networking Equipment Technology
5 wins
CALX Calix, Inc
$38.33 +15.6% 1M -37.2% 1Y
Market cap
$2.41B
P/E
47.6x
Revenue (TTM)
$1.11B
Div. yield
–
Networking Equipment Technology
3 wins

Head to Head

11 decided of 12

Ciena leads on 5 of the 12 questions below (Ciena 5, Calix 3, Extreme Networks 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionEXTRCIENCALXLeader
Larger companyMarket capitalisation $3.13B $49.83B $2.41B CIEN
Cheaper on earningsLower P/E, profitable companies only 75.2x 76.2x 47.6x CALX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 17.3x 46.2x 23.7x EXTR
Faster revenue growthRevenue growth, trailing twelve months +12.6% +32.6% +27.8% CIEN
More profitableNet margin, trailing twelve months 3.3% 10.9% 4.6% CIEN
Better return on capitalReturn on invested capital 19.4% 12.4% — EXTR
Less leveragedLower net debt / EBITDA -0.6x 0.7x — EXTR
Higher dividend yieldTrailing dividend yield — — — –
Better 1-year returnPrice return, last 12 months +15.0% +92.4% -37.2% CIEN
Better 5-year returnAnnualised price return, 5 years +19.1%/yr +45.3%/yr -8.8%/yr CIEN
Less volatileAnnualised volatility, 1 year 55.6% 77.8% 41.6% CALX
Higher overall scoreMean of the five percentile scores vs peers 52/100 55/100 76/100 CALX

Percentile Scorecard

EXTRCIENCALX

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

AxisEXTRCIENCALX
Valuation 36 #72 of 112 22 #88 of 112 60 #45 of 112
Growth 42 #64 of 109 95 #6 of 109 82 #20 of 109
Profitability 69 #33 of 104 83 #19 of 104 64 #38 of 104
Financial Health 24 #89 of 116 43 #67 of 116 76 #29 of 116
Shareholder Returns 89 #10 of 81 35 #53 of 81 98 #3 of 81
Overall 52 55 76
  • EXTR ranked among 122 companies in Computer Hardware
  • CIEN ranked among 122 companies in Computer Hardware
  • CALX ranked among 122 companies in Computer Hardware

Price Performance

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

Returns

PeriodEXTRCIENCALXSPY
1 month +10.8%-1.6%+15.6% -0.2%
3 months -20.5%+0.2%+3.3% +3.9%
6 months +39.9%-25.9%-8.8% +8.2%
Year to date +43.2%+50.2%-27.6% +12.9%
1 year +15.0%+92.4%-37.2% +12.3%
3 years +16.1%+756.1%+17.2% +87.4%
3 years, per year +5.1%+104.7%+5.4% +23.3%
5 years +139.5%+546.3%-36.9% +67.9%
5 years, per year +19.1%+45.3%-8.8% +10.9%
10 years +470.6%+1,696.3%+508.4% +261.1%
10 years, per year +19.0%+33.5%+19.8% +13.7%

Risk

MeasureEXTRCIENCALXSPY
Volatility, 1Y 55.6%77.8%41.6% 12.7%
Downside volatility, 1Y 56.6%82.8%44.0% 12.7%
Beta vs S&P 500, 1Y 1.562.790.88 1.00
Return / volatility, 1Y 0.271.19-0.89 0.97
Max drawdown, 5Y -67.2%-49.7%-65.3% -25.4%
From 52-week high -29.2%-44.0%-44.0% -1.2%
52-week high $33.71$627.00$68.42 $779.14
52-week low $13.74$176.45$33.15 $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.

MultipleEXTRCIENCALX
P/E now vs peer median 75.2xmedian 33.2x 76.2xmedian 33.2x 47.6xmedian 33.2x
P/S now vs peer median 2.4xmedian 2.8x 8.3xmedian 2.8x 2.2xmedian 2.8x
EV/EBITDA now vs peer median 35.8xmedian 20.0x 56.2xmedian 20.0x 28.0xmedian 20.0x
P/FCF now vs peer median 32.9xmedian 29.8x 61.2xmedian 29.8x 28.3xmedian 29.8x
P/B now vs peer median 35.3xmedian 3.0x 16.3xmedian 3.0x 3.4xmedian 3.0x
PEG now vs peer median -3.99median 1.17 1.70median 1.17 6.72median 1.17

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 monthsEXTRCIENCALX
Revenue $1.28B $6.02B $1.11B
Gross profit $789.14M $2.65B $628.73M
Operating income $62.70M $738.95M $61.25M
Net income $42.12M $654.41M $51.19M
Free cash flow $95.24M $814.36M $85.42M
R&D $233.88M $924.94M $207.99M
EPS (diluted) $0.31 $4.48 $0.78
Cash & equivalents $211.76M $2.45B $68.91M
Total debt $163.72M $3.23B –
Shares (diluted) 134.97M 145.97M 65.51M
Enterprise value $2.28B $43.39B $1.25B

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
MetricEXTRCIENCALX
P/E 75.2x 76.2x 47.6x
P/FCF 32.9x 61.2x 28.3x
P/Operating cash flow 25.4x 47.2x 22.0x
P/S 2.4x 8.3x 2.2x
P/B 35.3x 16.3x 3.4x
P/Tangible book 36.6x 17.4x 3.4x
EV/EBITDA 35.8x 56.2x 28.0x
EV/EBIT 49.2x 68.2x 36.2x
EV/Revenue 2.4x 8.4x 2.0x
EV/FCF 32.4x 61.9x 26.0x
EV/Operating cash flow 25.0x 47.8x 20.3x
PEG (3Y EPS CAGR) -3.99 1.70 6.72

Growth

14 metrics
MetricEXTRCIENCALX
Revenue growth (1Y) 12.6% 32.6% 27.8%
Revenue CAGR (3Y) -0.7% 12.5% 3.9%
Gross profit growth (1Y) 11.3% 40.6% 30.3%
Gross profit CAGR (3Y) 1.5% 13.3% 7.4%
Operating income growth (1Y) 269.9% 200.1% 273.3%
Operating income CAGR (3Y) -16.7% 29.1% 3.8%
Net income growth (1Y) 664.1% 364.5% 290.5%
Net income CAGR (3Y) -18.6% 43.5% 4.9%
EPS growth (1Y) 653.0% 359.9% 287.6%
EPS CAGR (3Y) -18.9% 44.8% 7.1%
Operating cash flow growth (1Y) -19.0% 34.5% 24.5%
Operating cash flow CAGR (3Y) -20.9% 201.2% 41.8%
Free cash flow growth (1Y) -25.2% 34.5% 19.4%
Free cash flow CAGR (3Y) -26.0% 95.4% 62.0%

Profitability

14 metrics
MetricEXTRCIENCALX
Gross margin 61.5% 44.1% 56.6%
EBITDA margin 6.7% 14.9% 7.1%
Operating margin 4.9% 12.3% 5.5%
Pretax margin 4.0% 12.1% 6.5%
Net margin 3.3% 10.9% 4.6%
FCF margin 7.4% 13.5% 7.7%
Operating cash flow margin 9.6% 17.5% 9.9%
Return on equity 50.3% 22.0% 7.1%
Return on assets 3.6% 9.3% 5.4%
Return on invested capital 19.4% 12.4% –
Return on capital employed 10.8% 13.1% 8.2%
Asset turnover 1.1x 0.9x 1.2x
Cash conversion (OCF / net income) 2.9x 1.6x 2.1x
Stock comp / revenue 6.9% 3.5% 7.2%

Financial Health

11 metrics
MetricEXTRCIENCALX
Debt / assets 13.9% 40.4% –
Debt / equity 1.8x 1.1x –
Net debt / EBITDA -0.6x 0.7x –
Debt / FCF 1.7x 4.0x –
Liabilities / assets 92.5% 61.8% 25.6%
Equity / assets 7.5% 38.2% 74.4%
Interest coverage 4.5x 10.6x –
Current ratio 0.9x 3.8x 2.8x
Quick ratio 0.6x 2.8x 1.6x
Cash ratio 0.4x 1.9x 0.9x
Altman Z-score 1.87 7.25 7.28

Shareholder Returns

7 metrics
MetricEXTRCIENCALX
Dividend yield – – –
Net buyback yield 2.8% -1.0% 7.9%
Shareholder yield 2.8% -1.0% 7.9%
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.

ConsensusEXTRCIENCALX
Forward P/E 17.3xFY2027 46.2xFY2026 23.7xFY2026
EPS, next fiscal year $1.38FY2027 $7.60FY2026 $1.62FY2026
EPS growth, next FY +30.2%FY2027 +187.9%FY2026 +20.9%FY2026
EPS growth, the year after +2.9% +64.7% +48.1%
Revenue, next fiscal year $1.34BFY2027 $6.86BFY2026 $1.11BFY2026
Revenue growth, next FY +4.5%FY2027 +43.8%FY2026 +11.0%FY2026
Revenue growth, the year after +21.3% +18.0% +18.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersEXTRCIENCALX
Held by institutions 96.7% 92.9% 94.5%
Institutions holding 338 1,220 288
Change in shares held, QoQ +1.2% -1.7% +0.5%
Institutions buying 181 729 148
Institutions selling 121 379 111
Buyers to sellers 1.50 1.92 1.33

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.

EXTRCIENCALX
EXTR 1.00 0.28 0.29
CIEN 0.28 1.00 0.23
CALX 0.29 0.23 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, EXTR, CIEN and CALX?

Ciena (CIEN) is the largest by market capitalisation: Extreme Networks (EXTR) $3.13B, Ciena (CIEN) $49.83B, Calix (CALX) $2.41B.

Which stock is cheaper, EXTR, CIEN and CALX?

Calix (CALX) trades on the lowest price-to-earnings ratio (Extreme Networks (EXTR) 75.2x, Ciena (CIEN) 76.2x, Calix (CALX) 47.6x). On next year's consensus earnings, Extreme Networks (EXTR) is cheapest (Extreme Networks (EXTR) 17.3x, Ciena (CIEN) 46.2x, Calix (CALX) 23.7x). 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) +12.6%, Ciena (CIEN) +32.6%, Calix (CALX) +27.8%.

Which company is more profitable?

Ciena (CIEN) has the highest net margin (Extreme Networks (EXTR) 3.3%, Ciena (CIEN) 10.9%, Calix (CALX) 4.6%). On return on invested capital, Extreme Networks (EXTR) leads (Extreme Networks (EXTR) 19.4%, Ciena (CIEN) 12.4%).

Which stock has performed better?

Over the past year Ciena (CIEN) returned the most: Extreme Networks (EXTR) +15.0%, Ciena (CIEN) +92.4%, Calix (CALX) -37.2%. Over five years, Ciena (CIEN) compounded fastest (Extreme Networks (EXTR) +19.1%/yr, Ciena (CIEN) +45.3%/yr, Calix (CALX) -8.8%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Calix (CALX) has been the steadiest (Extreme Networks (EXTR) 55.6%, Ciena (CIEN) 77.8%, Calix (CALX) 41.6%). Volatility measures how widely the price swings, not the risk of the business.

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

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 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.