CIEN vs ERIC vs DGII Stock Comparison

Ciena, Ericsson Lm Telephone and Digi International Prices as of Oct 26, 2026 Peers: Industry group
CIEN Ciena Corp
$336.09 -5.8% 1M +87.7% 1Y
Market cap
$49.20B
P/E
75.2x
Revenue (TTM)
$6.02B
Div. yield
–
Networking Equipment Technology
4 wins
ERIC Ericsson Lm Telephone Co
$10.89 +14.3% 1M +15.2% 1Y
Market cap
$36.84B
P/E
18.0x
Revenue (TTM)
$24.56B
Div. yield
-0.03%
Networking Equipment Technology
5 wins
DGII Digi International Inc
$76.27 -2.6% 1M +96.5% 1Y
Market cap
$2.94B
P/E
60.4x
Revenue (TTM)
$506.21M
Div. yield
–
Networking Equipment Technology
2 wins

Head to Head

11 decided of 12

Ericsson Lm Telephone leads on 5 of the 12 questions below (Ericsson Lm Telephone 5, Ciena 4, Digi International 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCIENERICDGIILeader
Larger companyMarket capitalisation $49.20B $36.84B $2.94B CIEN
Cheaper on earningsLower P/E, profitable companies only 75.2x 18.0x 60.4x ERIC
Cheaper on forward earningsLower price / next fiscal year consensus EPS 44.2x 16.8x 27.4x ERIC
Faster revenue growthRevenue growth, trailing twelve months +32.6% -38.5% +20.3% CIEN
More profitableNet margin, trailing twelve months 10.9% 8.3% 9.6% CIEN
Better return on capitalReturn on invested capital 12.4% 20.0% 6.9% ERIC
Less leveragedLower net debt / EBITDA 0.7x -0.6x 0.7x ERIC
Higher dividend yieldTrailing dividend yield 0.00% -0.03% 0.00% –
Better 1-year returnPrice return, last 12 months +87.7% +15.2% +96.5% DGII
Better 5-year returnAnnualised price return, 5 years +44.4%/yr -0.2%/yr +29.8%/yr CIEN
Less volatileAnnualised volatility, 1 year 77.9% 36.5% 40.7% ERIC
Higher overall scoreMean of the five percentile scores vs peers 55/100 59/100 60/100 DGII

Percentile Scorecard

CIENERICDGII

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

AxisCIENERICDGII
Valuation 19 #90 of 111 88 #14 of 111 46 #60 of 111
Growth 95 #6 of 108 46 #59 of 108 69 #34 of 108
Profitability 83 #19 of 104 86 #15 of 104 82 #20 of 104
Financial Health 43 #66 of 115 40 #70 of 115 50 #58 of 115
Shareholder Returns 34 #54 of 81 38 #51 of 81 54 #38 of 81
Overall 55 59 60
  • CIEN ranked among 121 companies in Computer Hardware
  • ERIC ranked among 121 companies in Computer Hardware
  • DGII ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodCIENERICDGIISPY
1 month -5.8%+14.3%-2.6% -0.8%
3 months -10.9%+12.6%+12.7% +3.5%
6 months -33.6%-1.5%+35.3% +7.0%
Year to date +43.7%+12.8%+76.2% +12.2%
1 year +87.7%+15.2%+96.5% +13.0%
3 years +719.3%+149.8%+201.8% +86.3%
3 years, per year +101.7%+35.7%+44.6% +23.1%
5 years +526.3%-1.0%+268.3% +68.6%
5 years, per year +44.4%-0.2%+29.8% +11.0%
10 years +1,548.3%+116.1%+602.9% +258.0%
10 years, per year +32.3%+8.0%+21.5% +13.6%

Risk

MeasureCIENERICDGIISPY
Volatility, 1Y 77.9%36.5%40.7% 12.7%
Downside volatility, 1Y 82.8%36.7%38.8% 12.7%
Beta vs S&P 500, 1Y 2.781.031.43 1.00
Return / volatility, 1Y 1.130.422.37 1.02
Max drawdown, 5Y -49.7%-65.8%-48.6% -25.4%
From 52-week high -46.4%-20.7%-10.5% -1.8%
52-week high $627.00$13.74$85.24 $779.14
52-week low $176.45$9.15$35.40 $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.

MultipleCIENERICDGII
P/E now vs peer median 73.0xmedian 32.0x 17.8xmedian 32.0x 59.1xmedian 32.0x
P/S now vs peer median 7.9xmedian 2.8x 1.5xmedian 2.8x 5.7xmedian 2.8x
EV/EBITDA now vs peer median 53.8xmedian 19.4x 9.1xmedian 19.4x 26.3xmedian 19.4x
P/FCF now vs peer median 58.6xmedian 29.0x 9.8xmedian 29.0x 21.3xmedian 29.0x
P/B now vs peer median 15.6xmedian 2.9x 3.3xmedian 2.9x 4.2xmedian 2.9x
PEG now vs peer median 1.63median 1.13 0.41median 1.13 3.72median 1.13

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 monthsCIENERICDGII
Revenue $6.02B $24.56B $506.21M
Gross profit $2.65B $11.51B $323.07M
Operating income $738.95M $2.90B $70.58M
Net income $654.41M $2.04B $48.74M
Free cash flow $814.36M $3.76B $135.98M
R&D $924.94M $5.22B $73.84M
EPS (diluted) $4.48 $0.61 $1.25
Cash & equivalents $2.45B $5.11B $27.97M
Total debt $3.23B $3.73B $108.13M
Shares (diluted) 145.97M 3.34B 38.92M
Enterprise value $42.76B $14.45B $2.83B

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
MetricCIENERICDGII
P/E 73.0x 17.8x 59.1x
P/FCF 58.6x 9.8x 21.3x
P/Operating cash flow 45.2x 10.7x 20.9x
P/S 7.9x 1.5x 5.7x
P/B 15.6x 3.3x 4.2x
P/Tangible book 16.6x 3.3x 9.1x
EV/EBITDA 53.8x 9.1x 26.3x
EV/EBIT 65.3x 11.9x 42.1x
EV/Revenue 8.0x 1.4x 5.9x
EV/FCF 59.3x 9.2x 21.9x
EV/Operating cash flow 45.8x 10.0x 21.5x
PEG (3Y EPS CAGR) 1.63 0.41 3.72

Growth

14 metrics
MetricCIENERICDGII
Revenue growth (1Y) 32.6% -38.5% 20.3%
Revenue CAGR (3Y) 12.5% -2.0% 4.9%
Gross profit growth (1Y) 40.6% 3.7% 23.4%
Gross profit CAGR (3Y) 13.3% 4.0% 9.3%
Operating income growth (1Y) 200.1% -18.4% 24.0%
Operating income CAGR (3Y) 29.1% 55.0% 9.7%
Net income growth (1Y) 364.5% -18.7% 14.2%
Net income CAGR (3Y) 43.5% 43.4% 18.0%
EPS growth (1Y) 359.9% -17.7% 10.5%
EPS CAGR (3Y) 44.8% 43.1% 15.9%
Operating cash flow growth (1Y) 34.5% 4.3% 30.1%
Operating cash flow CAGR (3Y) 201.2% 44.0% 59.2%
Free cash flow growth (1Y) 34.5% 6.1% 31.6%
Free cash flow CAGR (3Y) 95.4% 34.7% 60.8%

Profitability

14 metrics
MetricCIENERICDGII
Gross margin 44.1% 46.8% 63.8%
EBITDA margin 14.9% 15.4% 22.3%
Operating margin 12.3% 11.8% 13.9%
Pretax margin 12.1% 11.2% 12.4%
Net margin 10.9% 8.3% 9.6%
FCF margin 13.5% 15.3% 26.9%
Operating cash flow margin 17.5% 14.0% 27.3%
Return on equity 22.0% 18.7% 7.2%
Return on assets 9.3% 6.8% 5.0%
Return on invested capital 12.4% 20.0% 6.9%
Return on capital employed 13.1% 17.8% 8.4%
Asset turnover 0.9x 0.8x 0.5x
Cash conversion (OCF / net income) 1.6x 1.7x 2.8x
Stock comp / revenue 3.5% – 3.4%

Financial Health

11 metrics
MetricCIENERICDGII
Debt / assets 40.4% 12.4% 11.2%
Debt / equity 1.1x 0.3x 0.2x
Net debt / EBITDA 0.7x -0.6x 0.7x
Debt / FCF 4.0x 1.0x 0.8x
Liabilities / assets 61.8% 63.1% 29.0%
Equity / assets 38.2% 36.9% 71.0%
Interest coverage 10.6x – 8.9x
Current ratio 3.8x 1.2x 1.1x
Quick ratio 2.8x 0.8x 0.7x
Cash ratio 1.9x 0.4x 0.2x
Altman Z-score 6.99 – 7.48

Shareholder Returns

7 metrics
MetricCIENERICDGII
Dividend yield – 2.8% –
Net buyback yield -1.0% -2.2% 0.0%
Shareholder yield -1.0% 0.6% 0.0%
Payout ratio (earnings) – 50.9% –
Payout ratio (FCF) – 27.7% –
Dividend growth (1Y) – -13.4% –
Dividend CAGR (3Y) – -7.7% –

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.

ConsensusCIENERICDGII
Forward P/E 44.2xFY2026 16.8xFY2026 27.4xFY2026
EPS, next fiscal year $7.60FY2026 $0.65FY2026 $2.78FY2026
EPS growth, next FY +187.9%FY2026 -30.9%FY2026 +32.4%FY2026
EPS growth, the year after +64.7% -1.5% +9.4%
Revenue, next fiscal year $6.86BFY2026 $24.14BFY2026 $519.66MFY2026
Revenue growth, next FY +43.8%FY2026 -8.1%FY2026 +20.8%FY2026
Revenue growth, the year after +18.0% +0.7% +3.8%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCIENERICDGII
Held by institutions 92.9% 9.5% 100.0%
Institutions holding 1,220 388 283
Change in shares held, QoQ -1.7% +0.4% +1.6%
Institutions buying 729 219 142
Institutions selling 379 110 105
Buyers to sellers 1.92 1.99 1.35

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.

CIENERICDGII
CIEN 1.00 0.31 0.31
ERIC 0.31 1.00 0.19
DGII 0.31 0.19 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CIEN, ERIC and DGII?

Ciena (CIEN) is the largest by market capitalisation: Ciena (CIEN) $49.20B, Ericsson Lm Telephone (ERIC) $36.84B, Digi International (DGII) $2.94B.

Which stock is cheaper, CIEN, ERIC and DGII?

Ericsson Lm Telephone (ERIC) trades on the lowest price-to-earnings ratio (Ciena (CIEN) 75.2x, Ericsson Lm Telephone (ERIC) 18.0x, Digi International (DGII) 60.4x). On next year's consensus earnings, Ericsson Lm Telephone (ERIC) is cheapest (Ciena (CIEN) 44.2x, Ericsson Lm Telephone (ERIC) 16.8x, Digi International (DGII) 27.4x). 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: Ciena (CIEN) +32.6%, Ericsson Lm Telephone (ERIC) -38.5%, Digi International (DGII) +20.3%.

Which company is more profitable?

Ciena (CIEN) has the highest net margin (Ciena (CIEN) 10.9%, Ericsson Lm Telephone (ERIC) 8.3%, Digi International (DGII) 9.6%). On return on invested capital, Ericsson Lm Telephone (ERIC) leads (Ciena (CIEN) 12.4%, Ericsson Lm Telephone (ERIC) 20.0%, Digi International (DGII) 6.9%).

Which stock has performed better?

Over the past year Digi International (DGII) returned the most: Ciena (CIEN) +87.7%, Ericsson Lm Telephone (ERIC) +15.2%, Digi International (DGII) +96.5%. Over five years, Ciena (CIEN) compounded fastest (Ciena (CIEN) +44.4%/yr, Ericsson Lm Telephone (ERIC) -0.2%/yr, Digi International (DGII) +29.8%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Ericsson Lm Telephone (ERIC) has been the steadiest (Ciena (CIEN) 77.9%, Ericsson Lm Telephone (ERIC) 36.5%, Digi International (DGII) 40.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CIEN, ERIC and DGII?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Ericsson Lm Telephone (ERIC) 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.