CALX vs DGII vs NOW Stock Comparison

Calix, Digi International and ServiceNow Prices as of Oct 27, 2026 Peers: Industry group
CALX Calix, Inc
$38.33 +15.6% 1M -37.2% 1Y
Market cap
$2.40B
P/E
46.9x
Revenue (TTM)
$1.11B
Div. yield
–
Networking Equipment Technology
4 wins
DGII Digi International Inc
$78.85 +0.7% 1M +105.9% 1Y
Market cap
$2.97B
P/E
60.9x
Revenue (TTM)
$506.21M
Div. yield
–
Networking Equipment Technology
4 wins
NOW ServiceNow, Inc.
$154.83 +14.2% 1M -18.2% 1Y
Market cap
$153.87B
P/E
92.1x
Revenue (TTM)
$14.73B
Div. yield
–
Business Process Automation Technology
2 wins

Head to Head

10 decided of 12

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

QuestionCALXDGIINOWLeader
Larger companyMarket capitalisation $2.40B $2.97B $153.87B NOW
Cheaper on earningsLower P/E, profitable companies only 46.9x 60.9x 92.1x CALX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 23.7x 28.4x 40.2x CALX
Faster revenue growthRevenue growth, trailing twelve months +27.8% +20.3% +22.2% CALX
More profitableNet margin, trailing twelve months 4.6% 9.6% 11.3% NOW
Better return on capitalReturn on invested capital — 6.9% — –
Less leveragedLower net debt / EBITDA — 0.7x 0.8x DGII
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -37.2% +105.9% -18.2% DGII
Better 5-year returnAnnualised price return, 5 years -8.8%/yr +29.9%/yr +2.4%/yr DGII
Less volatileAnnualised volatility, 1 year 41.6% 40.8% 58.7% DGII
Higher overall scoreMean of the five percentile scores vs peers 76/100 61/100 52/100 CALX

Percentile Scorecard

CALXDGIINOW

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

AxisCALXDGIINOW
Valuation 60 #45 of 112 45 #62 of 112 27 #74 of 101
Growth 82 #20 of 109 70 #33 of 109 58 #41 of 97
Profitability 64 #38 of 104 82 #20 of 104 82 #18 of 94
Financial Health 76 #29 of 116 50 #59 of 116 50 #55 of 108
Shareholder Returns 98 #3 of 81 56 #36 of 81 41 #38 of 64
Overall 76 61 52
  • CALX ranked among 122 companies in Computer Hardware
  • DGII ranked among 122 companies in Computer Hardware
  • NOW ranked among 114 companies in Business Applications

Price Performance

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

Returns

PeriodCALXDGIINOWSPY
1 month +15.6%+0.7%+14.2% -0.2%
3 months +3.3%+17.7%+40.0% +3.9%
6 months -8.8%+43.9%+71.1% +8.2%
Year to date -27.6%+82.1%+1.1% +12.9%
1 year -37.2%+105.9%-18.2% +12.3%
3 years +17.2%+212.0%+39.7% +87.4%
3 years, per year +5.4%+46.2%+11.8% +23.3%
5 years -36.9%+270.2%+12.6% +67.9%
5 years, per year -8.8%+29.9%+2.4% +10.9%
10 years +508.4%+654.5%+811.3% +261.1%
10 years, per year +19.8%+22.4%+24.7% +13.7%

Risk

MeasureCALXDGIINOWSPY
Volatility, 1Y 41.6%40.8%58.7% 12.7%
Downside volatility, 1Y 44.0%38.8%61.3% 12.7%
Beta vs S&P 500, 1Y 0.881.430.61 1.00
Return / volatility, 1Y -0.892.60-0.31 0.97
Max drawdown, 5Y -65.3%-48.6%-64.5% -25.4%
From 52-week high -44.0%-7.5%-18.2% -1.2%
52-week high $68.42$85.24$189.26 $779.14
52-week low $33.15$35.40$83.00 $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.

MultipleCALXDGIINOW
P/E now vs peer median 47.6xmedian 33.2x 61.1xmedian 33.2x 95.6xmedian 28.3x
P/S now vs peer median 2.2xmedian 2.8x 5.9xmedian 2.8x 10.9xmedian 2.8x
EV/EBITDA now vs peer median 28.0xmedian 20.0x 27.2xmedian 20.0x 47.7xmedian 17.3x
P/FCF now vs peer median 28.3xmedian 29.8x 22.0xmedian 29.8x 35.0xmedian 15.8x
P/B now vs peer median 3.4xmedian 3.0x 4.4xmedian 3.0x 12.8xmedian 3.2x
PEG now vs peer median 6.72median 1.17 3.85median 1.17 18.40median 0.85

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 monthsCALXDGIINOW
Revenue $1.11B $506.21M $14.73B
Gross profit $628.73M $323.07M $11.02B
Operating income $61.25M $70.58M $1.68B
Net income $51.19M $48.74M $1.67B
Free cash flow $85.42M $135.98M $4.58B
R&D $207.99M $73.84M $3.26B
EPS (diluted) $0.78 $1.25 $1.61
Cash & equivalents $68.91M $27.97M $2.50B
Total debt – $108.13M $7.52B
Shares (diluted) 65.51M 38.92M 1.03B
Enterprise value $1.23B $2.85B $132.33B

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
MetricCALXDGIINOW
P/E 47.6x 61.1x 95.6x
P/FCF 28.3x 22.0x 35.0x
P/Operating cash flow 22.0x 21.6x 30.2x
P/S 2.2x 5.9x 10.9x
P/B 3.4x 4.4x 12.8x
P/Tangible book 3.4x 9.4x 18.3x
EV/EBITDA 28.0x 27.2x 47.7x
EV/EBIT 36.2x 43.5x 97.0x
EV/Revenue 2.0x 6.1x 11.1x
EV/FCF 26.0x 22.6x 35.6x
EV/Operating cash flow 20.3x 22.2x 30.7x
PEG (3Y EPS CAGR) 6.72 3.85 18.40

Growth

14 metrics
MetricCALXDGIINOW
Revenue growth (1Y) 27.8% 20.3% 22.2%
Revenue CAGR (3Y) 3.9% 4.9% 22.5%
Gross profit growth (1Y) 30.3% 23.4% 16.4%
Gross profit CAGR (3Y) 7.4% 9.3% 20.5%
Operating income growth (1Y) 273.3% 24.0% 4.9%
Operating income CAGR (3Y) 3.8% 9.7% 49.1%
Net income growth (1Y) 290.5% 14.2% 0.5%
Net income CAGR (3Y) 4.9% 18.0% 5.5%
EPS growth (1Y) 287.6% 10.5% 1.7%
EPS CAGR (3Y) 7.1% 15.9% 5.2%
Operating cash flow growth (1Y) 24.5% 30.1% 13.0%
Operating cash flow CAGR (3Y) 41.8% 59.2% 22.2%
Free cash flow growth (1Y) 19.4% 31.6% 19.0%
Free cash flow CAGR (3Y) 62.0% 60.8% 25.7%

Profitability

14 metrics
MetricCALXDGIINOW
Gross margin 56.6% 63.8% 74.8%
EBITDA margin 7.1% 22.3% 23.2%
Operating margin 5.5% 13.9% 11.4%
Pretax margin 6.5% 12.4% 15.9%
Net margin 4.6% 9.6% 11.3%
FCF margin 7.7% 26.9% 31.1%
Operating cash flow margin 9.9% 27.3% 36.0%
Return on equity 7.1% 7.2% 13.8%
Return on assets 5.4% 5.0% 6.0%
Return on invested capital – 6.9% –
Return on capital employed 8.2% 8.4% 10.6%
Asset turnover 1.2x 0.5x 0.5x
Cash conversion (OCF / net income) 2.1x 2.8x 3.2x
Stock comp / revenue 7.2% 3.4% 12.3%

Financial Health

11 metrics
MetricCALXDGIINOW
Debt / assets – 11.2% 23.7%
Debt / equity – 0.2x 0.6x
Net debt / EBITDA – 0.7x 0.8x
Debt / FCF – 0.8x 1.6x
Liabilities / assets 25.6% 29.0% 60.5%
Equity / assets 74.4% 71.0% 39.5%
Interest coverage – 8.9x –
Current ratio 2.8x 1.1x 0.7x
Quick ratio 1.6x 0.7x 0.6x
Cash ratio 0.9x 0.2x 0.4x
Altman Z-score 7.28 7.69 5.78

Shareholder Returns

7 metrics
MetricCALXDGIINOW
Dividend yield – – –
Net buyback yield 7.9% 0.0% 2.0%
Shareholder yield 7.9% 0.0% 2.0%
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.

ConsensusCALXDGIINOW
Forward P/E 23.7xFY2026 28.4xFY2026 40.2xFY2026
EPS, next fiscal year $1.62FY2026 $2.78FY2026 $3.85FY2026
EPS growth, next FY +20.9%FY2026 +32.4%FY2026 +9.7%FY2026
EPS growth, the year after +48.1% +9.4% +27.0%
Revenue, next fiscal year $1.11BFY2026 $519.66MFY2026 $15.25BFY2026
Revenue growth, next FY +11.0%FY2026 +20.8%FY2026 +14.8%FY2026
Revenue growth, the year after +18.8% +3.8% +17.7%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCALXDGIINOW
Held by institutions 94.5% 100.0% 81.6%
Institutions holding 288 283 2,224
Change in shares held, QoQ +0.5% +1.6% -2.1%
Institutions buying 148 142 1,285
Institutions selling 111 105 779
Buyers to sellers 1.33 1.35 1.65

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.

CALXDGIINOW
CALX 1.00 0.14 0.17
DGII 0.14 1.00 0.02
NOW 0.17 0.02 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CALX, DGII and NOW?

ServiceNow (NOW) is the largest by market capitalisation: Calix (CALX) $2.40B, Digi International (DGII) $2.97B, ServiceNow (NOW) $153.87B.

Which stock is cheaper, CALX, DGII and NOW?

Calix (CALX) trades on the lowest price-to-earnings ratio (Calix (CALX) 46.9x, Digi International (DGII) 60.9x, ServiceNow (NOW) 92.1x). On next year's consensus earnings, Calix (CALX) is cheapest (Calix (CALX) 23.7x, Digi International (DGII) 28.4x, ServiceNow (NOW) 40.2x). 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%, ServiceNow (NOW) +22.2%.

Which company is more profitable?

ServiceNow (NOW) has the highest net margin (Calix (CALX) 4.6%, Digi International (DGII) 9.6%, ServiceNow (NOW) 11.3%).

Which stock has performed better?

Over the past year Digi International (DGII) returned the most: Calix (CALX) -37.2%, Digi International (DGII) +105.9%, ServiceNow (NOW) -18.2%. Over five years, Digi International (DGII) compounded fastest (Calix (CALX) -8.8%/yr, Digi International (DGII) +29.9%/yr, ServiceNow (NOW) +2.4%/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%, ServiceNow (NOW) 58.7%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CALX, DGII and NOW?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Calix (CALX) leads on 4. 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.