ALLT vs DGII vs RBBN Stock Comparison

Allot, Digi International and Ribbon Communications Prices as of Oct 28, 2026 Peers: Industry group
ALLT Allot Ltd.
$9.15 +7.3% 1M -8.0% 1Y
Market cap
$445.10M
P/E
39.4x
Revenue (TTM)
$108.95M
Div. yield
–
Networking Equipment Technology
3 wins
DGII Digi International Inc
$78.28 +0.1% 1M +102.4% 1Y
Market cap
$2.97B
P/E
60.7x
Revenue (TTM)
$506.21M
Div. yield
–
Networking Equipment Technology
7 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.

QuestionALLTDGIIRBBNLeader
Larger companyMarket capitalisation $445.10M $2.97B $291.65M DGII
Cheaper on earningsLower P/E, profitable companies only 39.4x 60.7x 15.7x RBBN
Cheaper on forward earningsLower price / next fiscal year consensus EPS 26.1x 28.2x 32.6x ALLT
Faster revenue growthRevenue growth, trailing twelve months +14.3% +20.3% -7.8% DGII
More profitableNet margin, trailing twelve months 9.4% 9.6% 2.3% DGII
Better return on capitalReturn on invested capital 5.4% 6.9% 0.0% DGII
Less leveragedLower net debt / EBITDA -6.7x 0.7x 9.4x ALLT
Higher dividend yieldTrailing dividend yield — — — –
Better 1-year returnPrice return, last 12 months -8.0% +102.4% -52.9% DGII
Better 5-year returnAnnualised price return, 5 years -9.2%/yr +29.5%/yr -21.5%/yr DGII
Less volatileAnnualised volatility, 1 year 62.0% 40.8% 69.3% DGII
Higher overall scoreMean of the five percentile scores vs peers 77/100 60/100 41/100 ALLT

Percentile Scorecard

ALLTDGIIRBBN

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

AxisALLTDGIIRBBN
Valuation 68 #36 of 111 45 #62 of 111 61 #44 of 111
Growth 87 #15 of 108 70 #33 of 108 21 #86 of 108
Profitability 75 #27 of 104 82 #20 of 104 34 #69 of 104
Financial Health 76 #28 of 115 49 #59 of 115 18 #95 of 115
Shareholder Returns – 57 #34 of 78 70 #24 of 78
Overall 77 60 41
  • ALLT ranked among 121 companies in Computer Hardware
  • DGII ranked among 121 companies in Computer Hardware
  • RBBN ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodALLTDGIIRBBNSPY
1 month +7.3%+0.1%-5.8% +0.9%
3 months +23.6%+19.5%-25.6% +5.9%
6 months +26.6%+43.2%-31.5% +8.5%
Year to date -6.9%+80.8%-43.4% +13.3%
1 year -8.0%+102.4%-52.9% +12.4%
3 years +389.3%+209.8%-21.6% +88.1%
3 years, per year +69.8%+45.8%-7.8% +23.5%
5 years -38.4%+263.2%-70.2% +68.2%
5 years, per year -9.2%+29.5%-21.5% +11.0%
10 years +74.0%+707.0%-71.3% +263.4%
10 years, per year +5.7%+23.2%-11.7% +13.8%

Risk

MeasureALLTDGIIRBBNSPY
Volatility, 1Y 62.0%40.8%69.3% 12.7%
Downside volatility, 1Y 71.8%38.7%79.2% 12.7%
Beta vs S&P 500, 1Y 1.591.431.33 1.00
Return / volatility, 1Y -0.132.51-0.76 0.98
Max drawdown, 5Y -91.8%-48.6%-78.9% -25.4%
From 52-week high -20.4%-8.2%-52.9% -0.9%
52-week high $11.50$85.24$3.46 $779.14
52-week low $6.25$35.40$1.32 $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.

MultipleALLTDGIIRBBN
P/E now vs peer median 39.4xmedian 33.5x 60.7xmedian 33.5x 15.7xmedian 33.5x
P/S now vs peer median 4.1xmedian 2.8x 5.9xmedian 2.8x 0.4xmedian 2.8x
EV/EBITDA now vs peer median 36.4xmedian 19.6x 27.0xmedian 19.6x 18.5xmedian 19.6x
P/FCF now vs peer median 13.3xmedian 29.8x 21.8xmedian 29.8x -10.0xmedian 29.8x
P/B now vs peer median 3.7xmedian 2.9x 4.3xmedian 2.9x 0.8xmedian 2.9x
PEG now vs peer median 1.35median 1.10 3.82median 1.10 0.48median 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 monthsALLTDGIIRBBN
Revenue $108.95M $506.21M $800.98M
Gross profit $77.68M $323.07M $386.62M
Operating income $7.35M $70.58M -$29.02M
Net income $10.24M $48.74M $18.59M
Free cash flow $33.47M $135.98M -$29.11M
R&D $24.52M $73.84M $178.44M
EPS (diluted) $0.22 $1.25 $0.10
Cash & equivalents $13.76M $27.97M $40.38M
Total debt $3.57M $108.13M $342.88M
Shares (diluted) 46.18M 38.92M 178.86M
Enterprise value $197.35M $2.86B $43.80M

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
MetricALLTDGIIRBBN
P/E 39.4x 60.7x 15.7x
P/FCF 13.3x 21.8x -10.0x
P/Operating cash flow 14.3x 21.5x -15.6x
P/S 4.1x 5.9x 0.4x
P/B 3.7x 4.3x 0.8x
P/Tangible book 3.7x 9.3x 1.1x
EV/EBITDA 36.4x 27.0x 18.5x
EV/EBIT 51.1x 43.2x -20.5x
EV/Revenue 3.4x 6.0x 0.7x
EV/FCF 11.2x 22.4x -20.4x
EV/Operating cash flow 12.0x 22.0x -31.8x
PEG (3Y EPS CAGR) 1.35 3.82 0.48

Growth

14 metrics
MetricALLTDGIIRBBN
Revenue growth (1Y) 14.3% 20.3% -7.8%
Revenue CAGR (3Y) 1.5% 4.9% -1.3%
Gross profit growth (1Y) 16.3% 23.4% -12.1%
Gross profit CAGR (3Y) 4.0% 9.3% -1.2%
Operating income growth (1Y) 819.6% 24.0% -240.9%
Operating income CAGR (3Y) 28.8% 9.7% 9.9%
Net income growth (1Y) 605.8% 14.2% 143.2%
Net income CAGR (3Y) 30.0% 18.0% 33.0%
EPS growth (1Y) 526.3% 10.5% 142.6%
EPS CAGR (3Y) 29.2% 15.9% 32.7%
Operating cash flow growth (1Y) 168.4% 30.1% -122.3%
Operating cash flow CAGR (3Y) 41.3% 59.2% -50.8%
Free cash flow growth (1Y) 168.0% 31.6% -155.4%
Free cash flow CAGR (3Y) 43.8% 60.8% -90.6%

Profitability

14 metrics
MetricALLTDGIIRBBN
Gross margin 71.3% 63.8% 48.3%
EBITDA margin 9.5% 22.3% 4.0%
Operating margin 6.7% 13.9% -3.6%
Pretax margin 10.8% 12.4% -8.9%
Net margin 9.4% 9.6% 2.3%
FCF margin 30.7% 26.9% -3.6%
Operating cash flow margin 28.7% 27.3% -2.3%
Return on equity 8.7% 7.2% 4.8%
Return on assets 5.2% 5.0% 1.6%
Return on invested capital 5.4% 6.9% 0.0%
Return on capital employed 5.8% 8.4% -3.5%
Asset turnover 0.6x 0.5x 0.7x
Cash conversion (OCF / net income) 3.0x 2.8x -1.0x
Stock comp / revenue 4.9% 3.4% 2.7%

Financial Health

11 metrics
MetricALLTDGIIRBBN
Debt / assets 0.8% 11.2% 29.8%
Debt / equity 0.0x 0.2x 0.9x
Net debt / EBITDA -6.7x 0.7x 9.4x
Debt / FCF 0.0x 0.8x -11.8x
Liabilities / assets 41.4% 29.0% 66.2%
Equity / assets 58.6% 71.0% 33.8%
Interest coverage – 8.9x –
Current ratio 2.3x 1.1x 1.3x
Quick ratio 1.4x 0.7x 1.1x
Cash ratio 1.0x 0.2x 0.1x
Altman Z-score 2.57 7.65 -1.00

Shareholder Returns

7 metrics
MetricALLTDGIIRBBN
Dividend yield – – –
Net buyback yield – 0.0% 1.4%
Shareholder yield – 0.0% 1.4%
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.

ConsensusALLTDGIIRBBN
Forward P/E 26.1xFY2026 28.2xFY2026 32.6xFY2026
EPS, next fiscal year $0.35FY2026 $2.78FY2026 $0.05FY2026
EPS growth, next FY +52.2%FY2026 +32.4%FY2026 -92.4%FY2026
EPS growth, the year after +5.7% +9.4% +200.0%
Revenue, next fiscal year $120.75MFY2026 $519.66MFY2026 $790.52MFY2026
Revenue growth, next FY +18.4%FY2026 +20.8%FY2026 -6.4%FY2026
Revenue growth, the year after +11.3% +3.8% +11.9%

Institutional Ownership

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

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.

ALLTDGIIRBBN
ALLT 1.00 0.18 0.07
DGII 0.18 1.00 0.22
RBBN 0.07 0.22 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, ALLT, DGII and RBBN?

Digi International (DGII) is the largest by market capitalisation: Allot (ALLT) $445.10M, Digi International (DGII) $2.97B, Ribbon Communications (RBBN) $291.65M.

Which stock is cheaper, ALLT, DGII and RBBN?

Ribbon Communications (RBBN) trades on the lowest price-to-earnings ratio (Allot (ALLT) 39.4x, Digi International (DGII) 60.7x, Ribbon Communications (RBBN) 15.7x). On next year's consensus earnings, Allot (ALLT) is cheapest (Allot (ALLT) 26.1x, Digi International (DGII) 28.2x, Ribbon Communications (RBBN) 32.6x). 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: Allot (ALLT) +14.3%, Digi International (DGII) +20.3%, Ribbon Communications (RBBN) -7.8%.

Which company is more profitable?

Digi International (DGII) has the highest net margin (Allot (ALLT) 9.4%, Digi International (DGII) 9.6%, Ribbon Communications (RBBN) 2.3%). On return on invested capital, Digi International (DGII) leads (Allot (ALLT) 5.4%, Digi International (DGII) 6.9%, Ribbon Communications (RBBN) 0.0%).

Which stock has performed better?

Over the past year Digi International (DGII) returned the most: Allot (ALLT) -8.0%, Digi International (DGII) +102.4%, Ribbon Communications (RBBN) -52.9%. Over five years, Digi International (DGII) compounded fastest (Allot (ALLT) -9.2%/yr, Digi International (DGII) +29.5%/yr, Ribbon Communications (RBBN) -21.5%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Digi International (DGII) has been the steadiest (Allot (ALLT) 62.0%, Digi International (DGII) 40.8%, Ribbon Communications (RBBN) 69.3%). Volatility measures how widely the price swings, not the risk of the business.

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

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.