CALX vs DGII vs ALLT Stock Comparison

Calix, Digi International and Allot Prices as of Oct 28, 2026 Peers: Industry group
CALX Calix, Inc
$38.13 +14.9% 1M -38.3% 1Y
Market cap
$2.43B
P/E
47.4x
Revenue (TTM)
$1.11B
Div. yield
–
Networking Equipment Technology
2 wins
DGII Digi International Inc
$78.28 +0.1% 1M +102.4% 1Y
Market cap
$2.93B
P/E
60.1x
Revenue (TTM)
$506.21M
Div. yield
–
Networking Equipment Technology
6 wins
ALLT Allot Ltd.
$9.15 +7.3% 1M -8.0% 1Y
Market cap
$391.78M
P/E
38.3x
Revenue (TTM)
$108.95M
Div. yield
–
Networking Equipment Technology
3 wins

Head to Head

11 decided of 12

Digi International leads on 6 of the 12 questions below (Digi International 6, Allot 3, Calix 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCALXDGIIALLTLeader
Larger companyMarket capitalisation $2.43B $2.93B $391.78M DGII
Cheaper on earningsLower P/E, profitable companies only 47.4x 60.1x 38.3x ALLT
Cheaper on forward earningsLower price / next fiscal year consensus EPS 23.5x 28.2x 26.1x CALX
Faster revenue growthRevenue growth, trailing twelve months +27.8% +20.3% +14.3% CALX
More profitableNet margin, trailing twelve months 4.6% 9.6% 9.4% DGII
Better return on capitalReturn on invested capital — 6.9% 5.4% DGII
Less leveragedLower net debt / EBITDA — 0.7x -6.7x ALLT
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -38.3% +102.4% -8.0% DGII
Better 5-year returnAnnualised price return, 5 years -9.4%/yr +29.5%/yr -9.2%/yr DGII
Less volatileAnnualised volatility, 1 year 41.6% 40.8% 62.0% DGII
Higher overall scoreMean of the five percentile scores vs peers 76/100 60/100 77/100 ALLT

Percentile Scorecard

CALXDGIIALLT

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

AxisCALXDGIIALLT
Valuation 59 #46 of 111 45 #62 of 111 68 #36 of 111
Growth 82 #20 of 108 70 #33 of 108 87 #15 of 108
Profitability 64 #38 of 104 82 #20 of 104 75 #27 of 104
Financial Health 75 #29 of 115 49 #59 of 115 76 #28 of 115
Shareholder Returns 97 #3 of 78 57 #34 of 78 –
Overall 76 60 77
  • CALX ranked among 121 companies in Computer Hardware
  • DGII ranked among 121 companies in Computer Hardware
  • ALLT ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodCALXDGIIALLTSPY
1 month +14.9%+0.1%+7.3% +0.9%
3 months +7.2%+19.5%+23.6% +5.9%
6 months -8.5%+43.2%+26.6% +8.5%
Year to date -28.0%+80.8%-6.9% +13.3%
1 year -38.3%+102.4%-8.0% +12.4%
3 years +16.6%+209.8%+389.3% +88.1%
3 years, per year +5.2%+45.8%+69.8% +23.5%
5 years -39.1%+263.2%-38.4% +68.2%
5 years, per year -9.4%+29.5%-9.2% +11.0%
10 years +495.8%+707.0%+74.0% +263.4%
10 years, per year +19.5%+23.2%+5.7% +13.8%

Risk

MeasureCALXDGIIALLTSPY
Volatility, 1Y 41.6%40.8%62.0% 12.7%
Downside volatility, 1Y 43.8%38.7%71.8% 12.7%
Beta vs S&P 500, 1Y 0.881.431.59 1.00
Return / volatility, 1Y -0.922.51-0.13 0.98
Max drawdown, 5Y -65.3%-48.6%-91.8% -25.4%
From 52-week high -44.3%-8.2%-20.4% -0.9%
52-week high $68.42$85.24$11.50 $779.14
52-week low $33.15$35.40$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.

MultipleCALXDGIIALLT
P/E now vs peer median 47.3xmedian 33.5x 60.7xmedian 33.5x 39.4xmedian 33.5x
P/S now vs peer median 2.2xmedian 2.8x 5.9xmedian 2.8x 4.1xmedian 2.8x
EV/EBITDA now vs peer median 27.9xmedian 19.6x 27.0xmedian 19.6x 36.4xmedian 19.6x
P/FCF now vs peer median 28.1xmedian 29.8x 21.8xmedian 29.8x 13.3xmedian 29.8x
P/B now vs peer median 3.4xmedian 2.9x 4.3xmedian 2.9x 3.7xmedian 2.9x
PEG now vs peer median 6.69median 1.10 3.82median 1.10 1.35median 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 monthsCALXDGIIALLT
Revenue $1.11B $506.21M $108.95M
Gross profit $628.73M $323.07M $77.68M
Operating income $61.25M $70.58M $7.35M
Net income $51.19M $48.74M $10.24M
Free cash flow $85.42M $135.98M $33.47M
R&D $207.99M $73.84M $24.52M
EPS (diluted) $0.78 $1.25 $0.22
Cash & equivalents $68.91M $27.97M $13.76M
Total debt – $108.13M $3.57M
Shares (diluted) 65.51M 38.92M 46.18M
Enterprise value $1.26B $2.82B $144.03M

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
MetricCALXDGIIALLT
P/E 47.3x 60.7x 39.4x
P/FCF 28.1x 21.8x 13.3x
P/Operating cash flow 21.9x 21.5x 14.3x
P/S 2.2x 5.9x 4.1x
P/B 3.4x 4.3x 3.7x
P/Tangible book 3.4x 9.3x 3.7x
EV/EBITDA 27.9x 27.0x 36.4x
EV/EBIT 36.0x 43.2x 51.1x
EV/Revenue 2.0x 6.0x 3.4x
EV/FCF 25.8x 22.4x 11.2x
EV/Operating cash flow 20.1x 22.0x 12.0x
PEG (3Y EPS CAGR) 6.69 3.82 1.35

Growth

14 metrics
MetricCALXDGIIALLT
Revenue growth (1Y) 27.8% 20.3% 14.3%
Revenue CAGR (3Y) 3.9% 4.9% 1.5%
Gross profit growth (1Y) 30.3% 23.4% 16.3%
Gross profit CAGR (3Y) 7.4% 9.3% 4.0%
Operating income growth (1Y) 273.3% 24.0% 819.6%
Operating income CAGR (3Y) 3.8% 9.7% 28.8%
Net income growth (1Y) 290.5% 14.2% 605.8%
Net income CAGR (3Y) 4.9% 18.0% 30.0%
EPS growth (1Y) 287.6% 10.5% 526.3%
EPS CAGR (3Y) 7.1% 15.9% 29.2%
Operating cash flow growth (1Y) 24.5% 30.1% 168.4%
Operating cash flow CAGR (3Y) 41.8% 59.2% 41.3%
Free cash flow growth (1Y) 19.4% 31.6% 168.0%
Free cash flow CAGR (3Y) 62.0% 60.8% 43.8%

Profitability

14 metrics
MetricCALXDGIIALLT
Gross margin 56.6% 63.8% 71.3%
EBITDA margin 7.1% 22.3% 9.5%
Operating margin 5.5% 13.9% 6.7%
Pretax margin 6.5% 12.4% 10.8%
Net margin 4.6% 9.6% 9.4%
FCF margin 7.7% 26.9% 30.7%
Operating cash flow margin 9.9% 27.3% 28.7%
Return on equity 7.1% 7.2% 8.7%
Return on assets 5.4% 5.0% 5.2%
Return on invested capital – 6.9% 5.4%
Return on capital employed 8.2% 8.4% 5.8%
Asset turnover 1.2x 0.5x 0.6x
Cash conversion (OCF / net income) 2.1x 2.8x 3.0x
Stock comp / revenue 7.2% 3.4% 4.9%

Financial Health

11 metrics
MetricCALXDGIIALLT
Debt / assets – 11.2% 0.8%
Debt / equity – 0.2x 0.0x
Net debt / EBITDA – 0.7x -6.7x
Debt / FCF – 0.8x 0.0x
Liabilities / assets 25.6% 29.0% 41.4%
Equity / assets 74.4% 71.0% 58.6%
Interest coverage – 8.9x –
Current ratio 2.8x 1.1x 2.3x
Quick ratio 1.6x 0.7x 1.4x
Cash ratio 0.9x 0.2x 1.0x
Altman Z-score 7.25 7.65 2.57

Shareholder Returns

7 metrics
MetricCALXDGIIALLT
Dividend yield – – –
Net buyback yield 8.0% 0.0% –
Shareholder yield 8.0% 0.0% –
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.

ConsensusCALXDGIIALLT
Forward P/E 23.5xFY2026 28.2xFY2026 26.1xFY2026
EPS, next fiscal year $1.62FY2026 $2.78FY2026 $0.35FY2026
EPS growth, next FY +20.9%FY2026 +32.4%FY2026 +52.2%FY2026
EPS growth, the year after +48.1% +9.4% +5.7%
Revenue, next fiscal year $1.11BFY2026 $519.66MFY2026 $120.75MFY2026
Revenue growth, next FY +11.0%FY2026 +20.8%FY2026 +18.4%FY2026
Revenue growth, the year after +18.8% +3.8% +11.3%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCALXDGIIALLT
Held by institutions 94.5% 100.0% 82.4%
Institutions holding 288 283 82
Change in shares held, QoQ +0.5% +1.6% +1.0%
Institutions buying 148 142 49
Institutions selling 111 105 19
Buyers to sellers 1.33 1.35 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.

CALXDGIIALLT
CALX 1.00 0.14 0.25
DGII 0.14 1.00 0.18
ALLT 0.25 0.18 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CALX, DGII and ALLT?

Digi International (DGII) is the largest by market capitalisation: Calix (CALX) $2.43B, Digi International (DGII) $2.93B, Allot (ALLT) $391.78M.

Which stock is cheaper, CALX, DGII and ALLT?

Allot (ALLT) trades on the lowest price-to-earnings ratio (Calix (CALX) 47.4x, Digi International (DGII) 60.1x, Allot (ALLT) 38.3x). On next year's consensus earnings, Calix (CALX) is cheapest (Calix (CALX) 23.5x, Digi International (DGII) 28.2x, Allot (ALLT) 26.1x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Calix (CALX) grew revenue fastest over the trailing twelve months: Calix (CALX) +27.8%, Digi International (DGII) +20.3%, Allot (ALLT) +14.3%.

Which company is more profitable?

Digi International (DGII) has the highest net margin (Calix (CALX) 4.6%, Digi International (DGII) 9.6%, Allot (ALLT) 9.4%). On return on invested capital, Digi International (DGII) leads (Digi International (DGII) 6.9%, Allot (ALLT) 5.4%).

Which stock has performed better?

Over the past year Digi International (DGII) returned the most: Calix (CALX) -38.3%, Digi International (DGII) +102.4%, Allot (ALLT) -8.0%. Over five years, Digi International (DGII) compounded fastest (Calix (CALX) -9.4%/yr, Digi International (DGII) +29.5%/yr, Allot (ALLT) -9.2%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Digi International (DGII) has been the steadiest (Calix (CALX) 41.6%, Digi International (DGII) 40.8%, Allot (ALLT) 62.0%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CALX, DGII 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 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.