CALX vs UI vs RBBN Stock Comparison

Calix, Ubiquiti and Ribbon Communications Prices as of Oct 27, 2026 Peers: Industry group
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CALX Calix, Inc
$38.33 +15.6% 1M -37.2% 1Y
Market cap
$2.41B
P/E
47.6x
Revenue (TTM)
$1.11B
Div. yield
–
Networking Equipment Technology
4 wins
UI Ubiquiti Inc.
$599.82 +6.9% 1M -19.4% 1Y
Market cap
$36.30B
P/E
37.8x
Revenue (TTM)
$3.27B
Div. yield
0.57%
Networking Equipment Technology
4 wins

Head to Head

9 decided of 12

Ubiquiti leads on 4 of the 12 questions below (Ubiquiti 4, Calix 4, Ribbon Communications 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionCALXUIRBBNLeader
Larger companyMarket capitalisation $2.41B $36.30B $250.28M UI
Cheaper on earningsLower P/E, profitable companies only 47.6x 37.8x 13.4x RBBN
Cheaper on forward earningsLower price / next fiscal year consensus EPS 23.7x 31.8x 28.0x CALX
Faster revenue growthRevenue growth, trailing twelve months +27.8% +27.2% -7.8% CALX
More profitableNet margin, trailing twelve months 4.6% 29.3% — UI
Better return on capitalReturn on invested capital — 72.8% — –
Less leveragedLower net debt / EBITDA — — — –
Higher dividend yieldTrailing dividend yield — 0.57% — –
Better 1-year returnPrice return, last 12 months -37.2% -19.4% -59.4% UI
Better 5-year returnAnnualised price return, 5 years -8.8%/yr +14.4%/yr -23.4%/yr UI
Less volatileAnnualised volatility, 1 year 41.6% 53.8% 67.5% CALX
Higher overall scoreMean of the five percentile scores vs peers 76/100 69/100 — CALX

Percentile Scorecard

CALXUIRBBN

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

AxisCALXUIRBBN
Valuation 60 #45 of 112 29 #80 of 112 93 #9 of 112
Growth 82 #20 of 109 89 #13 of 109 30 #77 of 109
Profitability 64 #38 of 104 99 #2 of 104 –
Financial Health 76 #29 of 116 75 #30 of 116 –
Shareholder Returns 98 #3 of 81 51 #40 of 81 –
Overall 76 69 –
  • CALX ranked among 122 companies in Computer Hardware
  • UI ranked among 122 companies in Computer Hardware
  • RBBN ranked among 122 companies in Computer Hardware

Price Performance

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

Returns

PeriodCALXUIRBBNSPY
1 month +15.6%+6.9%-22.2% -0.2%
3 months +3.3%+12.0%-31.7% +3.9%
6 months -8.8%-37.8%-46.2% +8.2%
Year to date -27.6%+8.4%-51.4% +12.9%
1 year -37.2%-19.4%-59.4% +12.3%
3 years +17.2%+414.1%-32.7% +87.4%
3 years, per year +5.4%+72.7%-12.4% +23.3%
5 years -36.9%+95.6%-73.7% +67.9%
5 years, per year -8.8%+14.4%-23.4% +10.9%
10 years +508.4%+1,057.3%-76.4% +261.1%
10 years, per year +19.8%+27.7%-13.4% +13.7%

Risk

MeasureCALXUIRBBNSPY
Volatility, 1Y 41.6%53.8%67.5% 12.7%
Downside volatility, 1Y 44.0%59.5%79.2% 12.7%
Beta vs S&P 500, 1Y 0.881.641.30 1.00
Return / volatility, 1Y -0.89-0.36-0.88 0.97
Max drawdown, 5Y -65.3%-70.0%-78.9% -25.4%
From 52-week high -44.0%-44.7%-59.5% -1.2%
52-week high $68.42$1,084.50$3.46 $779.14
52-week low $33.15$515.44$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.

MultipleCALXUIRBBN
P/E now vs peer median 47.6xmedian 33.2x 37.8xmedian 33.2x 13.4xmedian 33.2x
P/S now vs peer median 2.2xmedian 2.8x 11.1xmedian 2.8x 0.3xmedian 2.8x
EV/EBITDA now vs peer median 28.0xmedian 20.0x 29.6xmedian 20.0x —median 20.0x
P/FCF now vs peer median 28.3xmedian 29.8x 39.9xmedian 29.8x 43.5xmedian 29.8x
P/B now vs peer median 3.4xmedian 3.0x 25.2xmedian 3.0x 0.6xmedian 3.0x
PEG now vs peer median 6.72median 1.17 1.15median 1.17 0.41median 1.17

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 monthsCALXUIRBBN
Revenue $1.11B $3.27B $800.98M
Gross profit $628.73M $1.51B $386.62M
Operating income $61.25M $1.19B -$29.02M
Net income $51.19M $960.30M –
Free cash flow $85.42M $908.94M –
R&D $207.99M $204.17M $178.44M
EPS (diluted) $0.78 $15.85 $0.10
Cash & equivalents $68.91M $522.58M $40.38M
Total debt – $180.81M –
Shares (diluted) 65.51M 60.57M 177.25M
Enterprise value $1.25B $34.84B $250.28M

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
MetricCALXUIRBBN
P/E 47.6x 37.8x 13.4x
P/FCF 28.3x 39.9x 43.5x
P/Operating cash flow 22.0x 39.1x –
P/S 2.2x 11.1x 0.3x
P/B 3.4x 25.2x 0.6x
P/Tangible book 3.4x 25.2x 0.9x
EV/EBITDA 28.0x 29.6x –
EV/EBIT 36.2x 30.1x –
EV/Revenue 2.0x 10.9x 0.3x
EV/FCF 26.0x 39.3x –
EV/Operating cash flow 20.3x 38.4x –
PEG (3Y EPS CAGR) 6.72 1.15 0.41

Growth

14 metrics
MetricCALXUIRBBN
Revenue growth (1Y) 27.8% 27.2% -7.8%
Revenue CAGR (3Y) 3.9% 19.0% -1.3%
Gross profit growth (1Y) 30.3% 35.3% -12.1%
Gross profit CAGR (3Y) 7.4% 25.7% -1.2%
Operating income growth (1Y) 273.3% 41.8% -240.9%
Operating income CAGR (3Y) 3.8% 29.6% 9.9%
Net income growth (1Y) 290.5% 34.9% –
Net income CAGR (3Y) 4.9% 33.1% –
EPS growth (1Y) 287.6% 34.8% 143.0%
EPS CAGR (3Y) 7.1% 33.0% 32.8%
Operating cash flow growth (1Y) 24.5% 45.1% –
Operating cash flow CAGR (3Y) 41.8% 103.2% –
Free cash flow growth (1Y) 19.4% 44.9% –
Free cash flow CAGR (3Y) 62.0% 95.4% –

Profitability

14 metrics
MetricCALXUIRBBN
Gross margin 56.6% 46.2% –
EBITDA margin 7.1% 36.8% –
Operating margin 5.5% 36.2% –
Pretax margin 6.5% 36.1% –
Net margin 4.6% 29.3% –
FCF margin 7.7% 27.8% –
Operating cash flow margin 9.9% 28.4% –
Return on equity 7.1% 72.7% –
Return on assets 5.4% 49.1% –
Return on invested capital – 72.8% –
Return on capital employed 8.2% 89.1% –
Asset turnover 1.2x 1.7x –
Cash conversion (OCF / net income) 2.1x 1.0x –
Stock comp / revenue 7.2% 0.2% –

Financial Health

11 metrics
MetricCALXUIRBBN
Debt / assets – – –
Debt / equity – – –
Net debt / EBITDA – – –
Debt / FCF – – –
Liabilities / assets 25.6% 34.5% –
Equity / assets 74.4% 65.5% –
Interest coverage – – –
Current ratio 2.8x 2.9x 1.3x
Quick ratio 1.6x 1.5x –
Cash ratio 0.9x 1.0x –
Altman Z-score 7.28 33.57 –

Shareholder Returns

7 metrics
MetricCALXUIRBBN
Dividend yield – 0.6% –
Net buyback yield 7.9% – –
Shareholder yield 7.9% 0.6% –
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.

ConsensusCALXUIRBBN
Forward P/E 23.7xFY2026 31.8xFY2027 28.0xFY2026
EPS, next fiscal year $1.62FY2026 $18.88FY2027 $0.05FY2026
EPS growth, next FY +20.9%FY2026 +18.4%FY2027 -92.4%FY2026
EPS growth, the year after +48.1% +9.2% +200.0%
Revenue, next fiscal year $1.11BFY2026 $4.12BFY2027 $790.52MFY2026
Revenue growth, next FY +11.0%FY2026 +25.9%FY2027 -6.4%FY2026
Revenue growth, the year after +18.8% +5.9% +11.9%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersCALXUIRBBN
Held by institutions 94.5% 4.9% 71.8%
Institutions holding 288 354 161
Change in shares held, QoQ +0.5% +8.0% -0.7%
Institutions buying 148 163 88
Institutions selling 111 139 41
Buyers to sellers 1.33 1.17 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.

CALXUIRBBN
CALX 1.00 0.33 0.14
UI 0.33 1.00 0.12
RBBN 0.14 0.12 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, CALX, UI and RBBN?

Ubiquiti (UI) is the largest by market capitalisation: Calix (CALX) $2.41B, Ubiquiti (UI) $36.30B, Ribbon Communications (RBBN) $250.28M.

Which stock is cheaper, CALX, UI and RBBN?

Ribbon Communications (RBBN) trades on the lowest price-to-earnings ratio (Calix (CALX) 47.6x, Ubiquiti (UI) 37.8x, Ribbon Communications (RBBN) 13.4x). On next year's consensus earnings, Calix (CALX) is cheapest (Calix (CALX) 23.7x, Ubiquiti (UI) 31.8x, Ribbon Communications (RBBN) 28.0x). 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%, Ubiquiti (UI) +27.2%, Ribbon Communications (RBBN) -7.8%.

Which company is more profitable?

Ubiquiti (UI) has the highest net margin (Calix (CALX) 4.6%, Ubiquiti (UI) 29.3%).

Which stock has performed better?

Over the past year Ubiquiti (UI) returned the most: Calix (CALX) -37.2%, Ubiquiti (UI) -19.4%, Ribbon Communications (RBBN) -59.4%. Over five years, Ubiquiti (UI) compounded fastest (Calix (CALX) -8.8%/yr, Ubiquiti (UI) +14.4%/yr, Ribbon Communications (RBBN) -23.4%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Ubiquiti (UI) 0.57%. Calix (CALX) and Ribbon Communications (RBBN) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Calix (CALX) has been the steadiest (Calix (CALX) 41.6%, Ubiquiti (UI) 53.8%, Ribbon Communications (RBBN) 67.5%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, CALX, UI 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, Ubiquiti (UI) 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.