DGII vs CIEN vs NN Stock Comparison

Digi International, Ciena and Nextnav Prices as of Nov 5, 2026 Peers: Industry group
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DGII Digi International Inc
$62.34 -15.7% 1M +71.9% 1Y
Market cap
$2.37B
P/E
48.6x
Revenue (TTM)
$506.21M
Div. yield
–
Networking Equipment Technology
5 wins
CIEN Ciena Corp
$230.72 -48.0% 1M +17.8% 1Y
Market cap
$34.41B
P/E
52.6x
Revenue (TTM)
$6.02B
Div. yield
–
Networking Equipment Technology
6 wins
NN Nextnav Inc.
$8.03 -39.5% 1M -36.3% 1Y
Market cap
$1.17B
P/E
–
Revenue (TTM)
$3.98M
Div. yield
–
Networking Equipment Technology

Head to Head

11 decided of 12

Ciena leads on 6 of the 12 questions below (Ciena 6, Digi International 5). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionDGIICIENNNLeader
Larger companyMarket capitalisation $2.37B $34.41B $1.17B CIEN
Cheaper on earningsLower P/E, profitable companies only 48.6x 52.6x -10.5x DGII
Cheaper on forward earningsLower price / next fiscal year consensus EPS 22.4x 30.4x — DGII
Faster revenue growthRevenue growth, trailing twelve months +20.3% +32.6% -36.5% CIEN
More profitableNet margin, trailing twelve months 9.6% 10.9% -2,813.5% CIEN
Better return on capitalReturn on invested capital 6.9% 12.4% — CIEN
Less leveragedLower net debt / EBITDA 0.7x 0.7x — CIEN
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months +71.9% +17.8% -36.3% DGII
Better 5-year returnAnnualised price return, 5 years +22.0%/yr +30.7%/yr -2.3%/yr CIEN
Less volatileAnnualised volatility, 1 year 43.9% 81.6% 83.1% DGII
Higher overall scoreMean of the five percentile scores vs peers 57/100 55/100 28/100 DGII

Percentile Scorecard

DGIICIENNN

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

AxisDGIICIENNN
Valuation 41 #67 of 112 23 #87 of 112 6 #105 of 112
Growth 66 #37 of 108 94 #8 of 108 17 #90 of 108
Profitability 80 #22 of 104 82 #20 of 104 3 #101 of 104
Financial Health 49 #60 of 116 44 #65 of 116 93 #9 of 116
Shareholder Returns 51 #41 of 83 32 #57 of 83 22 #65 of 83
Overall 57 55 28
  • DGII ranked among 121 companies in Computer Hardware
  • CIEN ranked among 121 companies in Computer Hardware
  • NN ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodDGIICIENNNSPY
1 month -15.7%-48.0%-39.5% -5.9%
3 months -24.9%-42.8%-46.5% -4.6%
6 months +0.5%-57.2%-58.8% +0.2%
Year to date +44.0%-1.3%-51.7% +7.5%
1 year +71.9%+17.8%-36.3% +8.2%
3 years +149.9%+433.8%+74.9% +68.3%
3 years, per year +35.7%+74.8%+20.5% +19.0%
5 years +169.8%+281.4%-11.2% +56.5%
5 years, per year +22.0%+30.7%-2.3% +9.4%
10 years +556.2%+1,098.5%— +251.5%
10 years, per year +20.7%+28.2%— +13.4%

Risk

MeasureDGIICIENNNSPY
Volatility, 1Y 43.9%81.6%83.1% 13.6%
Downside volatility, 1Y 45.7%89.5%88.3% 14.2%
Beta vs S&P 500, 1Y 1.692.851.72 1.00
Return / volatility, 1Y 1.640.22-0.44 0.60
Max drawdown, 5Y -48.6%-63.2%-82.6% -25.4%
From 52-week high -26.9%-63.2%-66.0% -5.9%
52-week high $85.24$627.00$23.59 $779.14
52-week low $35.40$176.45$8.03 $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.

MultipleDGIICIENNN
P/E now vs peer median 48.3xmedian 25.2x 50.1xmedian 25.2x -10.2xmedian 25.2x
P/S now vs peer median 4.7xmedian 2.4x 5.4xmedian 2.4x 337.2xmedian 2.4x
EV/EBITDA now vs peer median 21.7xmedian 16.2x 37.1xmedian 16.2x -19.4xmedian 16.2x
P/FCF now vs peer median 17.4xmedian 23.4x 40.2xmedian 23.4x -25.3xmedian 23.4x
P/B now vs peer median 3.5xmedian 2.3x 10.7xmedian 2.3x 4.0xmedian 2.3x
PEG now vs peer median 3.04median 0.98 1.12median 0.98 1.02median 0.98

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 monthsDGIICIENNN
Revenue $506.21M $6.02B $3.98M
Gross profit $323.07M $2.65B -$4.17M
Operating income $70.58M $738.95M -$75.58M
Net income $48.74M $654.41M -$111.89M
Free cash flow $135.98M $814.36M -$53.07M
R&D $73.84M $924.94M $21.49M
EPS (diluted) $1.25 $4.48 $-0.79
Cash & equivalents $27.97M $2.45B $77.72M
Total debt $108.13M $3.23B –
Shares (diluted) 38.92M 145.97M 141.63M
Enterprise value $2.25B $27.97B $943.18M

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
MetricDGIICIENNN
P/E 48.3x 50.1x -10.2x
P/FCF 17.4x 40.2x -25.3x
P/Operating cash flow 17.1x 31.0x -25.3x
P/S 4.7x 5.4x 337.2x
P/B 3.5x 10.7x 4.0x
P/Tangible book 7.4x 11.4x 4.6x
EV/EBITDA 21.7x 37.1x -19.4x
EV/EBIT 34.7x 45.1x -14.7x
EV/Revenue 4.8x 5.5x 279.7x
EV/FCF 18.0x 40.9x -21.0x
EV/Operating cash flow 17.7x 31.6x -21.0x
PEG (3Y EPS CAGR) 3.04 1.12 1.02

Growth

14 metrics
MetricDGIICIENNN
Revenue growth (1Y) 20.3% 32.6% -36.5%
Revenue CAGR (3Y) 4.9% 12.5% 10.6%
Gross profit growth (1Y) 23.4% 40.6% -22.7%
Gross profit CAGR (3Y) 9.3% 13.3% 32.4%
Operating income growth (1Y) 24.0% 200.1% -20.2%
Operating income CAGR (3Y) 9.7% 29.1% -7.1%
Net income growth (1Y) 14.2% 364.5% 33.3%
Net income CAGR (3Y) 18.0% 43.5% -20.9%
EPS growth (1Y) 10.5% 359.9% 37.6%
EPS CAGR (3Y) 15.9% 44.8% -10.0%
Operating cash flow growth (1Y) 30.1% 34.5% -19.5%
Operating cash flow CAGR (3Y) 59.2% 201.2% -13.6%
Free cash flow growth (1Y) 31.6% 34.5% -18.9%
Free cash flow CAGR (3Y) 60.8% 95.4% -9.1%

Profitability

14 metrics
MetricDGIICIENNN
Gross margin 63.8% 44.1% -104.9%
EBITDA margin 22.3% 14.9% -1,440%
Operating margin 13.9% 12.3% -1,900%
Pretax margin 12.4% 12.1% -2,808%
Net margin 9.6% 10.9% -2,814%
FCF margin 26.9% 13.5% -1,334%
Operating cash flow margin 27.3% 17.5% -1,334%
Return on equity 7.2% 22.0% -91.5%
Return on assets 5.0% 9.3% -35.8%
Return on invested capital 6.9% 12.4% –
Return on capital employed 8.4% 13.1% -25.2%
Asset turnover 0.5x 0.9x 0.0x
Cash conversion (OCF / net income) 2.8x 1.6x 0.5x
Stock comp / revenue 3.4% 3.5% 493.8%

Financial Health

11 metrics
MetricDGIICIENNN
Debt / assets 11.2% 40.4% –
Debt / equity 0.2x 1.1x –
Net debt / EBITDA 0.7x 0.7x –
Debt / FCF 0.8x 4.0x –
Liabilities / assets 29.0% 61.8% 14.0%
Equity / assets 71.0% 38.2% 86.0%
Interest coverage 8.9x 10.6x –
Current ratio 1.1x 3.8x 25.6x
Quick ratio 0.7x 2.8x 19.5x
Cash ratio 0.2x 1.9x 19.3x
Altman Z-score 6.35 5.17 11.08

Shareholder Returns

7 metrics
MetricDGIICIENNN
Dividend yield – – –
Net buyback yield 0.1% -1.5% -7.8%
Shareholder yield 0.1% -1.5% -7.8%
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.

ConsensusDGIICIENNN
Forward P/E 22.4xFY2026 30.4xFY2026 –
EPS, next fiscal year $2.78FY2026 $7.60FY2026 $-0.57FY2026
EPS growth, next FY +32.4%FY2026 +187.9%FY2026 –
EPS growth, the year after +9.4% +64.7% –
Revenue, next fiscal year $519.66MFY2026 $6.86BFY2026 $3.87MFY2026
Revenue growth, next FY +20.8%FY2026 +43.8%FY2026 -15.2%FY2026
Revenue growth, the year after +3.8% +18.0% +1.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersDGIICIENNN
Held by institutions 100.0% 93.0% 60.4%
Institutions holding 285 1,224 229
Change in shares held, QoQ +1.6% -1.7% +18.1%
Institutions buying 143 733 153
Institutions selling 105 379 49
Buyers to sellers 1.36 1.93 3.12

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.

DGIICIENNN
DGII 1.00 0.37 0.28
CIEN 0.37 1.00 0.30
NN 0.28 0.30 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, DGII, CIEN and NN?

Ciena (CIEN) is the largest by market capitalisation: Digi International (DGII) $2.37B, Ciena (CIEN) $34.41B, Nextnav (NN) $1.17B.

Which stock is cheaper, DGII, CIEN and NN?

Digi International (DGII) trades on the lowest price-to-earnings ratio (Digi International (DGII) 48.6x, Ciena (CIEN) 52.6x, Nextnav (NN) -10.5x). On next year's consensus earnings, Digi International (DGII) is cheapest (Digi International (DGII) 22.4x, Ciena (CIEN) 30.4x). 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: Digi International (DGII) +20.3%, Ciena (CIEN) +32.6%, Nextnav (NN) -36.5%.

Which company is more profitable?

Ciena (CIEN) has the highest net margin (Digi International (DGII) 9.6%, Ciena (CIEN) 10.9%, Nextnav (NN) -2,813.5%). On return on invested capital, Ciena (CIEN) leads (Digi International (DGII) 6.9%, Ciena (CIEN) 12.4%).

Which stock has performed better?

Over the past year Digi International (DGII) returned the most: Digi International (DGII) +71.9%, Ciena (CIEN) +17.8%, Nextnav (NN) -36.3%. Over five years, Ciena (CIEN) compounded fastest (Digi International (DGII) +22.0%/yr, Ciena (CIEN) +30.7%/yr, Nextnav (NN) -2.3%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Digi International (DGII) has been the steadiest (Digi International (DGII) 43.9%, Ciena (CIEN) 81.6%, Nextnav (NN) 83.1%). Volatility measures how widely the price swings, not the risk of the business.

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

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.