DGII vs RBBN vs ALLT Stock Comparison

Digi International, Ribbon Communications and Allot Prices as of Oct 26, 2026 Peers: Industry group
DGII Digi International Inc
$76.27 -2.6% 1M +96.5% 1Y
Market cap
$2.89B
P/E
59.1x
Revenue (TTM)
$506.21M
Div. yield
–
Networking Equipment Technology
7 wins
ALLT Allot Ltd.
$8.99 +3.5% 1M -11.2% 1Y
Market cap
$437.32M
P/E
38.7x
Revenue (TTM)
$108.95M
Div. yield
–
Networking Equipment Technology
3 wins

Head to Head

11 decided of 12

Digi International leads on 7 of the 12 questions below (Digi International 7, Allot 3, Ribbon Communications 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionDGIIRBBNALLTLeader
Larger companyMarket capitalisation $2.89B $239.55M $437.32M DGII
Cheaper on earningsLower P/E, profitable companies only 59.1x 15.2x 38.7x RBBN
Cheaper on forward earningsLower price / next fiscal year consensus EPS 27.4x 26.8x 25.7x ALLT
Faster revenue growthRevenue growth, trailing twelve months +20.3% -7.6% +14.3% DGII
More profitableNet margin, trailing twelve months 9.6% 2.0% 9.4% DGII
Better return on capitalReturn on invested capital 6.9% 0.0% 5.4% DGII
Less leveragedLower net debt / EBITDA 0.7x 9.3x -6.7x ALLT
Higher dividend yieldTrailing dividend yield — — — –
Better 1-year returnPrice return, last 12 months +96.5% -62.3% -11.2% DGII
Better 5-year returnAnnualised price return, 5 years +29.8%/yr -25.6%/yr -9.1%/yr DGII
Less volatileAnnualised volatility, 1 year 40.7% 67.4% 62.1% DGII
Higher overall scoreMean of the five percentile scores vs peers 60/100 52/100 73/100 ALLT

Percentile Scorecard

DGIIRBBNALLT

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

AxisDGIIRBBNALLT
Valuation 35 #27 of 41 73 #12 of 41 53 #20 of 41
Growth 67 #13 of 37 50 #19 of 37 83 #7 of 37
Profitability 86 #6 of 36 43 #21 of 36 83 #7 of 36
Financial Health 46 #26 of 47 15 #40 of 47 72 #14 of 47
Shareholder Returns 69 #9 of 27 81 #6 of 27 –
Overall 60 52 73
  • DGII ranked among 49 companies in Computer Hardware
  • RBBN ranked among 49 companies in Computer Hardware
  • ALLT ranked among 49 companies in Computer Hardware

Price Performance

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

Returns

PeriodDGIIRBBNALLTSPY
1 month -2.6%-25.6%+3.5% -0.8%
3 months +12.7%-34.3%+17.8% +3.5%
6 months +35.3%-49.6%+20.3% +7.0%
Year to date +76.2%-53.5%-8.5% +12.2%
1 year +96.5%-62.3%-11.2% +13.0%
3 years +201.8%-35.6%+380.7% +86.3%
3 years, per year +44.6%-13.6%+68.8% +23.1%
5 years +268.3%-77.1%-37.9% +68.6%
5 years, per year +29.8%-25.6%-9.1% +11.0%
10 years +602.9%-78.9%+67.7% +258.0%
10 years, per year +21.5%-14.4%+5.3% +13.6%

Risk

MeasureDGIIRBBNALLTSPY
Volatility, 1Y 40.7%67.4%62.1% 12.7%
Downside volatility, 1Y 38.8%79.2%71.9% 12.7%
Beta vs S&P 500, 1Y 1.431.291.58 1.00
Return / volatility, 1Y 2.37-0.92-0.18 1.02
Max drawdown, 5Y -48.6%-78.9%-91.8% -25.4%
From 52-week high -10.5%-61.3%-21.8% -1.8%
52-week high $85.24$3.46$11.50 $779.14
52-week low $35.40$1.32$6.25 $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.

MultipleDGIIRBBNALLT
P/E now vs peer median 59.1xmedian 36.9x 15.2xmedian 36.9x 38.7xmedian 36.9x
P/S now vs peer median 5.7xmedian 1.5x 0.3xmedian 1.5x 4.0xmedian 1.5x
EV/EBITDA now vs peer median 26.3xmedian 18.3x 17.2xmedian 18.3x 35.6xmedian 18.3x
P/FCF now vs peer median 21.3xmedian 15.4x 32.6xmedian 15.4x 13.1xmedian 15.4x
P/B now vs peer median 4.2xmedian 1.1x 0.6xmedian 1.1x 3.7xmedian 1.1x
PEG now vs peer median 3.72median 0.97 0.49median 0.97 1.32median 0.97

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 monthsDGIIRBBNALLT
Revenue $506.21M $797.64M $108.95M
Gross profit $323.07M $389.06M $77.68M
Operating income $70.58M -$31.85M $7.35M
Net income $48.74M $15.60M $10.24M
Free cash flow $135.98M $7.35M $33.47M
R&D $73.84M $179.91M $24.52M
EPS (diluted) $1.25 $0.09 $0.22
Cash & equivalents $27.97M $43.51M $13.76M
Total debt $108.13M $329.36M $3.57M
Shares (diluted) 38.92M 177.25M 46.18M
Enterprise value $2.78B -$42.71M $189.57M

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
MetricDGIIRBBNALLT
P/E 59.1x 15.2x 38.7x
P/FCF 21.3x 32.6x 13.1x
P/Operating cash flow 20.9x 10.8x 14.0x
P/S 5.7x 0.3x 4.0x
P/B 4.2x 0.6x 3.7x
P/Tangible book 9.1x 0.9x 3.7x
EV/EBITDA 26.3x 17.2x 35.6x
EV/EBIT 42.1x -16.5x 50.1x
EV/Revenue 5.9x 0.7x 3.4x
EV/FCF 21.9x 71.5x 11.0x
EV/Operating cash flow 21.5x 23.6x 11.8x
PEG (3Y EPS CAGR) 3.72 0.49 1.32

Growth

14 metrics
MetricDGIIRBBNALLT
Revenue growth (1Y) 20.3% -7.6% 14.3%
Revenue CAGR (3Y) 4.9% -1.6% 1.5%
Gross profit growth (1Y) 23.4% -11.9% 16.3%
Gross profit CAGR (3Y) 9.3% -1.0% 4.0%
Operating income growth (1Y) 24.0% -288.4% 819.6%
Operating income CAGR (3Y) 9.7% 10.1% 28.8%
Net income growth (1Y) 14.2% 135.1% 605.8%
Net income CAGR (3Y) 18.0% 31.4% 30.0%
EPS growth (1Y) 10.5% 135.0% 526.3%
EPS CAGR (3Y) 15.9% 31.2% 29.2%
Operating cash flow growth (1Y) 30.1% -47.8% 168.4%
Operating cash flow CAGR (3Y) 59.2% 49.9% 41.3%
Free cash flow growth (1Y) 31.6% -7.7% 168.0%
Free cash flow CAGR (3Y) 60.8% 99.7% 43.8%

Profitability

14 metrics
MetricDGIIRBBNALLT
Gross margin 63.8% 48.8% 71.3%
EBITDA margin 22.3% 3.8% 9.5%
Operating margin 13.9% -4.0% 6.7%
Pretax margin 12.4% -9.4% 10.8%
Net margin 9.6% 2.0% 9.4%
FCF margin 26.9% 0.9% 30.7%
Operating cash flow margin 27.3% 2.8% 28.7%
Return on equity 7.2% 3.9% 8.7%
Return on assets 5.0% 1.4% 5.2%
Return on invested capital 6.9% 0.0% 5.4%
Return on capital employed 8.4% -3.8% 5.8%
Asset turnover 0.5x 0.7x 0.6x
Cash conversion (OCF / net income) 2.8x 1.4x 3.0x
Stock comp / revenue 3.4% 2.7% 4.9%

Financial Health

11 metrics
MetricDGIIRBBNALLT
Debt / assets 11.2% 28.8% 0.8%
Debt / equity 0.2x 0.8x 0.0x
Net debt / EBITDA 0.7x 9.3x -6.7x
Debt / FCF 0.8x 44.8x 0.0x
Liabilities / assets 29.0% 65.6% 41.4%
Equity / assets 71.0% 34.4% 58.6%
Interest coverage 8.9x – –
Current ratio 1.1x 1.3x 2.3x
Quick ratio 0.7x 1.1x 1.4x
Cash ratio 0.2x 0.1x 1.0x
Altman Z-score 7.48 -1.06 2.52

Shareholder Returns

7 metrics
MetricDGIIRBBNALLT
Dividend yield – – –
Net buyback yield 0.0% 3.2% –
Shareholder yield 0.0% 3.2% –
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.

ConsensusDGIIRBBNALLT
Forward P/E 27.4xFY2026 26.8xFY2026 25.7xFY2026
EPS, next fiscal year $2.78FY2026 $0.05FY2026 $0.35FY2026
EPS growth, next FY +32.4%FY2026 -92.4%FY2026 +52.2%FY2026
EPS growth, the year after +9.4% +200.0% +5.7%
Revenue, next fiscal year $519.66MFY2026 $790.52MFY2026 $120.75MFY2026
Revenue growth, next FY +20.8%FY2026 -6.4%FY2026 +18.4%FY2026
Revenue growth, the year after +3.8% +11.9% +11.3%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersDGIIRBBNALLT
Held by institutions 100.0% 71.8% 82.4%
Institutions holding 283 161 82
Change in shares held, QoQ +1.6% -0.7% +1.0%
Institutions buying 142 88 49
Institutions selling 105 41 19
Buyers to sellers 1.35 2.15 2.58

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.

DGIIRBBNALLT
DGII 1.00 0.23 0.18
RBBN 0.23 1.00 0.07
ALLT 0.18 0.07 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, DGII, RBBN and ALLT?

Digi International (DGII) is the largest by market capitalisation: Digi International (DGII) $2.89B, Ribbon Communications (RBBN) $239.55M, Allot (ALLT) $437.32M.

Which stock is cheaper, DGII, RBBN and ALLT?

Ribbon Communications (RBBN) trades on the lowest price-to-earnings ratio (Digi International (DGII) 59.1x, Ribbon Communications (RBBN) 15.2x, Allot (ALLT) 38.7x). On next year's consensus earnings, Allot (ALLT) is cheapest (Digi International (DGII) 27.4x, Ribbon Communications (RBBN) 26.8x, Allot (ALLT) 25.7x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Digi International (DGII) grew revenue fastest over the trailing twelve months: Digi International (DGII) +20.3%, Ribbon Communications (RBBN) -7.6%, Allot (ALLT) +14.3%.

Which company is more profitable?

Digi International (DGII) has the highest net margin (Digi International (DGII) 9.6%, Ribbon Communications (RBBN) 2.0%, Allot (ALLT) 9.4%). On return on invested capital, Digi International (DGII) leads (Digi International (DGII) 6.9%, Ribbon Communications (RBBN) 0.0%, Allot (ALLT) 5.4%).

Which stock has performed better?

Over the past year Digi International (DGII) returned the most: Digi International (DGII) +96.5%, Ribbon Communications (RBBN) -62.3%, Allot (ALLT) -11.2%. Over five years, Digi International (DGII) compounded fastest (Digi International (DGII) +29.8%/yr, Ribbon Communications (RBBN) -25.6%/yr, Allot (ALLT) -9.1%/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) 40.7%, Ribbon Communications (RBBN) 67.4%, Allot (ALLT) 62.1%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, DGII, RBBN and ALLT?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Digi International (DGII) leads on 7. 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.