DOX vs UI vs AAOI Stock Comparison

Amdocs, Ubiquiti and Applied Optoelectronics Prices as of Oct 26, 2026 Peers: Industry group
DOX Amdocs Ltd
$62.68 +8.6% 1M -24.9% 1Y
Market cap
$6.86B
P/E
15.0x
Revenue (TTM)
$4.65B
Div. yield
–
Networking Equipment Technology
4 wins
UI Ubiquiti Inc.
$585.48 +4.3% 1M -20.4% 1Y
Market cap
$36.33B
P/E
37.8x
Revenue (TTM)
$3.27B
Div. yield
–
Networking Equipment Technology
4 wins

Head to Head

11 decided of 12

Ubiquiti leads on 4 of the 12 questions below (Ubiquiti 4, Amdocs 4, Applied Optoelectronics 3). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionDOXUIAAOILeader
Larger companyMarket capitalisation $6.86B $36.33B $6.28B UI
Cheaper on earningsLower P/E, profitable companies only 15.0x 37.8x -110.0x DOX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 7.9x 31.0x 101.3x DOX
Faster revenue growthRevenue growth, trailing twelve months +0.1% +27.2% +61.8% AAOI
More profitableNet margin, trailing twelve months 9.8% 29.3% -9.6% UI
Better return on capitalReturn on invested capital — 72.8% -4.2% UI
Less leveragedLower net debt / EBITDA 0.9x — 13.8x DOX
Higher dividend yieldTrailing dividend yield 0.00% 0.00% 0.00% –
Better 1-year returnPrice return, last 12 months -24.9% -20.4% +111.5% AAOI
Better 5-year returnAnnualised price return, 5 years -4.2%/yr +14.4%/yr +56.4%/yr AAOI
Less volatileAnnualised volatility, 1 year 29.8% 53.8% 138.9% DOX
Higher overall scoreMean of the five percentile scores vs peers 64/100 68/100 33/100 UI

Percentile Scorecard

DOXUIAAOI

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

AxisDOXUIAAOI
Valuation 90 #12 of 111 27 #81 of 111 12 #98 of 111
Growth 14 #93 of 108 90 #12 of 108 55 #49 of 108
Profitability 84 #18 of 104 99 #2 of 104 16 #88 of 104
Financial Health 36 #74 of 115 75 #30 of 115 72 #33 of 115
Shareholder Returns 96 #4 of 81 50 #41 of 81 9 #74 of 81
Overall 64 68 33
  • DOX ranked among 121 companies in Computer Hardware
  • UI ranked among 121 companies in Computer Hardware
  • AAOI ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodDOXUIAAOISPY
1 month +8.6%+4.3%-29.1% -0.8%
3 months +18.0%+8.4%-26.5% +3.5%
6 months -3.1%-42.0%-50.7% +7.0%
Year to date -22.1%+5.8%+106.4% +12.2%
1 year -24.9%-20.4%+111.5% +13.0%
3 years -20.3%+401.8%+921.9% +86.3%
3 years, per year -7.3%+71.3%+117.1% +23.1%
5 years -19.3%+95.5%+835.5% +68.6%
5 years, per year -4.2%+14.4%+56.4% +11.0%
10 years +6.9%+1,006.8%+236.3% +258.0%
10 years, per year +0.7%+27.2%+12.9% +13.6%

Risk

MeasureDOXUIAAOISPY
Volatility, 1Y 29.8%53.8%138.9% 12.7%
Downside volatility, 1Y 32.6%59.5%126.6% 12.7%
Beta vs S&P 500, 1Y 0.261.644.29 1.00
Return / volatility, 1Y -0.83-0.380.80 1.02
Max drawdown, 5Y -49.5%-70.0%-82.6% -25.4%
From 52-week high -26.7%-46.0%-67.8% -1.8%
52-week high $85.49$1,084.50$223.10 $779.14
52-week low $49.87$515.44$19.49 $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.

MultipleDOXUIAAOI
P/E now vs peer median 15.3xmedian 32.0x 36.9xmedian 32.0x -102.9xmedian 32.0x
P/S now vs peer median 1.5xmedian 2.8x 10.8xmedian 2.8x 10.2xmedian 2.8x
EV/EBITDA now vs peer median 9.0xmedian 19.4x 28.9xmedian 19.4x -175.3xmedian 19.4x
P/FCF now vs peer median 7.9xmedian 29.0x 39.0xmedian 29.0x -10.1xmedian 29.0x
P/B now vs peer median 2.0xmedian 2.9x 24.6xmedian 2.9x 3.6xmedian 2.9x
PEG now vs peer median -4.18median 1.13 1.12median 1.13 -3.10median 1.13

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 monthsDOXUIAAOI
Revenue $4.65B $3.27B $595.97M
Gross profit $1.78B $1.51B $172.33M
Operating income $626.70M $1.19B -$67.41M
Net income $457.53M $960.30M -$57.02M
Free cash flow $858.80M $908.94M -$600.81M
R&D $343.21M $204.17M $107.61M
EPS (diluted) $4.17 $15.85 $-0.70
Cash & equivalents $206.45M $522.58M $499.74M
Total debt $3.25B $180.81M $57.26M
Shares (diluted) 109.66M 60.57M 81.57M
Enterprise value $5.87B $34.87B $4.99B

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
MetricDOXUIAAOI
P/E 15.3x 36.9x -102.9x
P/FCF 7.9x 39.0x -10.1x
P/Operating cash flow 9.1x 38.2x -46.1x
P/S 1.5x 10.8x 10.2x
P/B 2.0x 24.6x 3.6x
P/Tangible book 2.2x 24.6x 3.6x
EV/EBITDA 9.0x 28.9x -175.3x
EV/EBIT 12.0x 29.4x -83.5x
EV/Revenue 1.6x 10.6x 9.4x
EV/FCF 8.8x 38.3x -9.4x
EV/Operating cash flow 10.0x 37.5x -42.7x
PEG (3Y EPS CAGR) -4.18 1.12 -3.10

Growth

14 metrics
MetricDOXUIAAOI
Revenue growth (1Y) 0.1% 27.2% 61.8%
Revenue CAGR (3Y) -1.1% 19.0% 40.9%
Gross profit growth (1Y) 2.9% 35.3% 62.0%
Gross profit CAGR (3Y) 1.5% 25.7% 73.3%
Operating income growth (1Y) -11.9% 41.8% -40.6%
Operating income CAGR (3Y) -3.0% 29.6% -2.8%
Net income growth (1Y) -18.0% 34.9% 63.4%
Net income CAGR (3Y) -7.0% 33.1% 6.2%
EPS growth (1Y) -14.5% 34.8% 74.5%
EPS CAGR (3Y) -3.7% 33.0% 33.2%
Operating cash flow growth (1Y) 1.6% 45.1% 15.2%
Operating cash flow CAGR (3Y) -0.8% 103.2% -168.6%
Free cash flow growth (1Y) 2.8% 44.9% -146.3%
Free cash flow CAGR (3Y) -3.2% 95.4% -294.2%

Profitability

14 metrics
MetricDOXUIAAOI
Gross margin 38.3% 46.2% 28.9%
EBITDA margin 17.9% 36.8% -5.4%
Operating margin 13.5% 36.2% -11.3%
Pretax margin 12.5% 36.1% -10.6%
Net margin 9.8% 29.3% -9.6%
FCF margin 18.5% 27.8% -100.8%
Operating cash flow margin 16.1% 28.4% -22.1%
Return on equity – 72.7% -4.1%
Return on assets 7.2% 49.1% -2.9%
Return on invested capital – 72.8% -4.2%
Return on capital employed 13.4% 89.1% -4.5%
Asset turnover 0.7x 1.7x 0.3x
Cash conversion (OCF / net income) 1.6x 1.0x 2.3x
Stock comp / revenue 2.4% 0.2% 2.6%

Financial Health

11 metrics
MetricDOXUIAAOI
Debt / assets 14.5% – 2.5%
Debt / equity 0.3x – 0.0x
Net debt / EBITDA 0.9x – 13.8x
Debt / FCF 1.1x – -0.1x
Liabilities / assets 48.1% 34.5% 27.5%
Equity / assets 51.9% 65.5% 72.5%
Interest coverage – – -19.1x
Current ratio 0.9x 2.9x 2.8x
Quick ratio 1.0x 1.5x 1.9x
Cash ratio 0.1x 1.0x 1.2x
Altman Z-score 3.95 32.88 5.99

Shareholder Returns

7 metrics
MetricDOXUIAAOI
Dividend yield 3.6% 0.6% –
Net buyback yield 7.8% – -22.3%
Shareholder yield 11.4% 0.6% -22.3%
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.

ConsensusDOXUIAAOI
Forward P/E 7.9xFY2026 31.0xFY2027 101.3xFY2026
EPS, next fiscal year $7.92FY2026 $18.88FY2027 $0.71FY2026
EPS growth, next FY +13.3%FY2026 +18.4%FY2027 –
EPS growth, the year after +4.0% +9.2% +646.5%
Revenue, next fiscal year $4.46BFY2026 $4.12BFY2027 $994.70MFY2026
Revenue growth, next FY -1.6%FY2026 +25.9%FY2027 +118.3%FY2026
Revenue growth, the year after +5.0% +5.9% +185.6%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersDOXUIAAOI
Held by institutions 93.0% 4.9% 60.5%
Institutions holding 446 354 481
Change in shares held, QoQ +0.5% +8.0% -3.5%
Institutions buying 250 163 313
Institutions selling 151 139 143
Buyers to sellers 1.66 1.17 2.19

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.

DOXUIAAOI
DOX 1.00 -0.02 -0.19
UI -0.02 1.00 0.31
AAOI -0.19 0.31 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, DOX, UI and AAOI?

Ubiquiti (UI) is the largest by market capitalisation: Amdocs (DOX) $6.86B, Ubiquiti (UI) $36.33B, Applied Optoelectronics (AAOI) $6.28B.

Which stock is cheaper, DOX, UI and AAOI?

Amdocs (DOX) trades on the lowest price-to-earnings ratio (Amdocs (DOX) 15.0x, Ubiquiti (UI) 37.8x, Applied Optoelectronics (AAOI) -110.0x). On next year's consensus earnings, Amdocs (DOX) is cheapest (Amdocs (DOX) 7.9x, Ubiquiti (UI) 31.0x, Applied Optoelectronics (AAOI) 101.3x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Applied Optoelectronics (AAOI) grew revenue fastest over the trailing twelve months: Amdocs (DOX) +0.1%, Ubiquiti (UI) +27.2%, Applied Optoelectronics (AAOI) +61.8%.

Which company is more profitable?

Ubiquiti (UI) has the highest net margin (Amdocs (DOX) 9.8%, Ubiquiti (UI) 29.3%, Applied Optoelectronics (AAOI) -9.6%). On return on invested capital, Ubiquiti (UI) leads (Ubiquiti (UI) 72.8%, Applied Optoelectronics (AAOI) -4.2%).

Which stock has performed better?

Over the past year Applied Optoelectronics (AAOI) returned the most: Amdocs (DOX) -24.9%, Ubiquiti (UI) -20.4%, Applied Optoelectronics (AAOI) +111.5%. Over five years, Applied Optoelectronics (AAOI) compounded fastest (Amdocs (DOX) -4.2%/yr, Ubiquiti (UI) +14.4%/yr, Applied Optoelectronics (AAOI) +56.4%/yr). Returns are price only, before dividends.

Which stock is riskier?

By one-year price volatility, Amdocs (DOX) has been the steadiest (Amdocs (DOX) 29.8%, Ubiquiti (UI) 53.8%, Applied Optoelectronics (AAOI) 138.9%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, DOX, UI and AAOI?

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.