RBBN vs DOX Stock Comparison

Ribbon Communications and Amdocs Prices as of Oct 29, 2026 Peers: Industry group
DOX Amdocs Ltd
$62.22 +8.0% 1M -26.1% 1Y
Market cap
$6.75B
P/E
15.1x
Revenue (TTM)
$4.65B
Div. yield
3.60%
Networking Equipment Technology
10 wins

Head to Head

10 decided of 12

Amdocs leads on 10 of the 12 questions below (Amdocs 10). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionRBBNDOXLeader
Larger companyMarket capitalisation $291.65M $6.75B DOX
Cheaper on earningsLower P/E, profitable companies only 15.7x 15.1x DOX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 32.6x 7.9x DOX
Faster revenue growthRevenue growth, trailing twelve months -7.8% +0.1% DOX
More profitableNet margin, trailing twelve months 2.3% 9.8% DOX
Better return on capitalReturn on invested capital 0.0% — –
Less leveragedLower net debt / EBITDA 9.4x 0.9x DOX
Higher dividend yieldTrailing dividend yield — 3.60% –
Better 1-year returnPrice return, last 12 months -52.8% -26.1% DOX
Better 5-year returnAnnualised price return, 5 years -21.5%/yr -4.4%/yr DOX
Less volatileAnnualised volatility, 1 year 69.3% 29.8% DOX
Higher overall scoreMean of the five percentile scores vs peers 41/100 64/100 DOX

Percentile Scorecard

RBBNDOX

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

AxisRBBNDOX
Valuation 62 #43 of 112 90 #12 of 112
Growth 21 #86 of 108 14 #93 of 108
Profitability 34 #69 of 104 83 #19 of 104
Financial Health 18 #95 of 116 37 #74 of 116
Shareholder Returns 71 #23 of 78 95 #5 of 78
Overall 41 64
  • RBBN ranked among 121 companies in Computer Hardware
  • DOX ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodRBBNDOXSPY
1 month -8.9%+8.0% +0.7%
3 months -23.1%+12.6% +3.7%
6 months -38.3%-3.8% +7.1%
Year to date -43.4%-22.7% +12.8%
1 year -52.8%-26.1% +11.9%
3 years -14.2%-21.2% +85.2%
3 years, per year -5.0%-7.7% +22.8%
5 years -70.2%-20.1% +67.6%
5 years, per year -21.5%-4.4% +10.9%
10 years -71.3%+6.3% +262.0%
10 years, per year -11.7%+0.6% +13.7%

Risk

MeasureRBBNDOXSPY
Volatility, 1Y 69.3%29.8% 12.7%
Downside volatility, 1Y 79.5%32.6% 12.6%
Beta vs S&P 500, 1Y 1.330.25 1.00
Return / volatility, 1Y -0.76-0.87 0.94
Max drawdown, 5Y -78.9%-49.5% -25.4%
From 52-week high -52.8%-27.2% -1.2%
52-week high $3.45$85.49 $779.14
52-week low $1.32$49.87 $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.

MultipleRBBNDOX
P/E now vs peer median 15.7xmedian 32.9x 15.1xmedian 32.9x
P/S now vs peer median 0.4xmedian 2.9x 1.5xmedian 2.9x
EV/EBITDA now vs peer median 18.5xmedian 20.0x 9.0xmedian 20.0x
P/FCF now vs peer median -10.0xmedian 30.2x 7.9xmedian 30.2x
P/B now vs peer median 0.8xmedian 2.9x 2.0xmedian 2.9x
PEG now vs peer median 0.48median 1.08 -4.14median 1.08

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 monthsRBBNDOX
Revenue $800.98M $4.65B
Gross profit $386.62M $1.78B
Operating income -$29.02M $626.70M
Net income $18.59M $457.53M
Free cash flow -$29.11M $858.80M
R&D $178.44M $343.21M
EPS (diluted) $0.10 $4.17
Cash & equivalents $40.38M $206.45M
Total debt $342.88M $3.25B
Shares (diluted) 178.86M 109.66M
Enterprise value $43.80M $5.79B

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
MetricRBBNDOX
P/E 15.7x 15.1x
P/FCF -10.0x 7.9x
P/Operating cash flow -15.6x 9.0x
P/S 0.4x 1.5x
P/B 0.8x 2.0x
P/Tangible book 1.1x 2.2x
EV/EBITDA 18.5x 9.0x
EV/EBIT -20.5x 11.9x
EV/Revenue 0.7x 1.6x
EV/FCF -20.4x 8.7x
EV/Operating cash flow -31.8x 10.0x
PEG (3Y EPS CAGR) 0.48 -4.14

Growth

14 metrics
MetricRBBNDOX
Revenue growth (1Y) -7.8% 0.1%
Revenue CAGR (3Y) -1.3% -1.1%
Gross profit growth (1Y) -12.1% 2.9%
Gross profit CAGR (3Y) -1.2% 1.5%
Operating income growth (1Y) -240.9% -11.9%
Operating income CAGR (3Y) 9.9% -3.0%
Net income growth (1Y) 143.2% -18.0%
Net income CAGR (3Y) 33.0% -7.0%
EPS growth (1Y) 142.6% -14.5%
EPS CAGR (3Y) 32.7% -3.7%
Operating cash flow growth (1Y) -122.3% 1.6%
Operating cash flow CAGR (3Y) -50.8% -0.8%
Free cash flow growth (1Y) -155.4% 2.8%
Free cash flow CAGR (3Y) -90.6% -3.2%

Profitability

14 metrics
MetricRBBNDOX
Gross margin 48.3% 38.3%
EBITDA margin 4.0% 17.9%
Operating margin -3.6% 13.5%
Pretax margin -8.9% 12.5%
Net margin 2.3% 9.8%
FCF margin -3.6% 18.5%
Operating cash flow margin -2.3% 16.1%
Return on equity 4.8% –
Return on assets 1.6% 7.2%
Return on invested capital 0.0% –
Return on capital employed -3.5% 13.4%
Asset turnover 0.7x 0.7x
Cash conversion (OCF / net income) -1.0x 1.6x
Stock comp / revenue 2.7% 2.4%

Financial Health

11 metrics
MetricRBBNDOX
Debt / assets 29.8% 14.5%
Debt / equity 0.9x 0.3x
Net debt / EBITDA 9.4x 0.9x
Debt / FCF -11.8x 1.1x
Liabilities / assets 66.2% 48.1%
Equity / assets 33.8% 51.9%
Interest coverage – –
Current ratio 1.3x 0.9x
Quick ratio 1.1x 1.0x
Cash ratio 0.1x 0.1x
Altman Z-score -1.00 3.94

Shareholder Returns

7 metrics
MetricRBBNDOX
Dividend yield – 3.6%
Net buyback yield 1.4% 7.8%
Shareholder yield 1.4% 11.4%
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.

ConsensusRBBNDOX
Forward P/E 32.6xFY2026 7.9xFY2026
EPS, next fiscal year $0.05FY2026 $7.92FY2026
EPS growth, next FY -92.4%FY2026 +13.3%FY2026
EPS growth, the year after +200.0% +4.0%
Revenue, next fiscal year $790.52MFY2026 $4.46BFY2026
Revenue growth, next FY -6.4%FY2026 -1.6%FY2026
Revenue growth, the year after +11.9% +5.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersRBBNDOX
Held by institutions 71.8% 93.0%
Institutions holding 161 447
Change in shares held, QoQ -0.7% +0.5%
Institutions buying 88 250
Institutions selling 41 152
Buyers to sellers 2.15 1.64

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.

RBBNDOX
RBBN 1.00 -0.02
DOX -0.02 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, RBBN and DOX?

Amdocs (DOX) is the largest by market capitalisation: Ribbon Communications (RBBN) $291.65M, Amdocs (DOX) $6.75B.

Which stock is cheaper, RBBN and DOX?

Amdocs (DOX) trades on the lowest price-to-earnings ratio (Ribbon Communications (RBBN) 15.7x, Amdocs (DOX) 15.1x). On next year's consensus earnings, Amdocs (DOX) is cheapest (Ribbon Communications (RBBN) 32.6x, Amdocs (DOX) 7.9x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Amdocs (DOX) grew revenue fastest over the trailing twelve months: Ribbon Communications (RBBN) -7.8%, Amdocs (DOX) +0.1%.

Which company is more profitable?

Amdocs (DOX) has the highest net margin (Ribbon Communications (RBBN) 2.3%, Amdocs (DOX) 9.8%).

Which stock has performed better?

Over the past year Amdocs (DOX) returned the most: Ribbon Communications (RBBN) -52.8%, Amdocs (DOX) -26.1%. Over five years, Amdocs (DOX) compounded fastest (Ribbon Communications (RBBN) -21.5%/yr, Amdocs (DOX) -4.4%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Amdocs (DOX) 3.60%. Ribbon Communications (RBBN) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Amdocs (DOX) has been the steadiest (Ribbon Communications (RBBN) 69.3%, Amdocs (DOX) 29.8%). Volatility measures how widely the price swings, not the risk of the business.

Do RBBN and DOX move together?

Their daily returns over the past year have a correlation of -0.02, a negative relationship. Holding both diversifies more than two closely linked stocks would.

Which is the better stock, RBBN and DOX?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Amdocs (DOX) leads on 10. 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.