DOX vs SILC vs CIEN Stock Comparison

Amdocs, Silicom and Ciena Prices as of Oct 27, 2026 Peers: Industry group
DOX Amdocs Ltd
$61.77 +7.0% 1M -26.7% 1Y
Market cap
$6.70B
P/E
15.0x
Revenue (TTM)
$4.65B
Div. yield
3.62%
Networking Equipment Technology
4 wins
SILC Silicom Ltd.
$42.00 -20.4% 1M +141.4% 1Y
Market cap
$239.66M
P/E
–
Revenue (TTM)
$75.43M
Div. yield
–
Networking Equipment Technology
1 win
CIEN Ciena Corp
$351.18 -1.6% 1M +92.4% 1Y
Market cap
$49.83B
P/E
76.2x
Revenue (TTM)
$6.02B
Div. yield
–
Networking Equipment Technology
5 wins

Head to Head

10 decided of 12

Ciena leads on 5 of the 12 questions below (Ciena 5, Amdocs 4, Silicom 1). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionDOXSILCCIENLeader
Larger companyMarket capitalisation $6.70B $239.66M $49.83B CIEN
Cheaper on earningsLower P/E, profitable companies only 15.0x -24.5x 76.2x DOX
Cheaper on forward earningsLower price / next fiscal year consensus EPS 7.8x — 46.2x DOX
Faster revenue growthRevenue growth, trailing twelve months +0.1% +28.6% +32.6% CIEN
More profitableNet margin, trailing twelve months 9.8% -13.0% 10.9% CIEN
Better return on capitalReturn on invested capital — — 12.4% –
Less leveragedLower net debt / EBITDA 0.9x — 0.7x CIEN
Higher dividend yieldTrailing dividend yield 3.62% 0.00% — –
Better 1-year returnPrice return, last 12 months -26.7% +141.4% +92.4% SILC
Better 5-year returnAnnualised price return, 5 years -4.2%/yr 0.0%/yr +45.3%/yr CIEN
Less volatileAnnualised volatility, 1 year 29.8% 90.3% 77.8% DOX
Higher overall scoreMean of the five percentile scores vs peers 64/100 36/100 55/100 DOX

Percentile Scorecard

DOXSILCCIEN

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

AxisDOXSILCCIEN
Valuation 90 #12 of 112 41 #67 of 112 22 #88 of 112
Growth 15 #93 of 109 21 #86 of 109 95 #6 of 109
Profitability 84 #18 of 104 18 #85 of 104 83 #19 of 104
Financial Health 36 #75 of 116 65 #41 of 116 43 #67 of 116
Shareholder Returns 96 #4 of 81 – 35 #53 of 81
Overall 64 36 55
  • DOX ranked among 122 companies in Computer Hardware
  • SILC ranked among 122 companies in Computer Hardware
  • CIEN ranked among 122 companies in Computer Hardware

Price Performance

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

Returns

PeriodDOXSILCCIENSPY
1 month +7.0%-20.4%-1.6% -0.2%
3 months +12.6%+10.5%+0.2% +3.9%
6 months -3.9%+52.5%-25.9% +8.2%
Year to date -23.3%+185.7%+50.2% +12.9%
1 year -26.7%+141.4%+92.4% +12.3%
3 years -21.5%+180.0%+756.1% +87.4%
3 years, per year -7.8%+41.0%+104.7% +23.3%
5 years -19.4%0.0%+546.3% +67.9%
5 years, per year -4.2%0.0%+45.3% +10.9%
10 years +5.9%+15.1%+1,696.3% +261.1%
10 years, per year +0.6%+1.4%+33.5% +13.7%

Risk

MeasureDOXSILCCIENSPY
Volatility, 1Y 29.8%90.3%77.8% 12.7%
Downside volatility, 1Y 32.5%79.5%82.8% 12.7%
Beta vs S&P 500, 1Y 0.253.012.79 1.00
Return / volatility, 1Y -0.901.571.19 0.97
Max drawdown, 5Y -49.5%-77.3%-49.7% -25.4%
From 52-week high -27.7%-31.9%-44.0% -1.2%
52-week high $85.49$61.65$627.00 $779.14
52-week low $49.87$13.50$176.45 $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.

MultipleDOXSILCCIEN
P/E now vs peer median 15.0xmedian 33.2x -24.5xmedian 33.2x 76.2xmedian 33.2x
P/S now vs peer median 1.4xmedian 2.8x 3.2xmedian 2.8x 8.3xmedian 2.8x
EV/EBITDA now vs peer median 8.9xmedian 20.0x —median 20.0x 56.2xmedian 20.0x
P/FCF now vs peer median 7.8xmedian 29.8x —median 29.8x 61.2xmedian 29.8x
P/B now vs peer median 2.0xmedian 3.0x 2.1xmedian 3.0x 16.3xmedian 3.0x
PEG now vs peer median -4.11median 1.17 0.65median 1.17 1.70median 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 monthsDOXSILCCIEN
Revenue $4.65B $75.43M $6.02B
Gross profit $1.78B $22.75M $2.65B
Operating income $626.70M -$10.69M $738.95M
Net income $457.53M -$9.79M $654.41M
Free cash flow $858.80M – $814.36M
R&D $343.21M $21.03M $924.94M
EPS (diluted) $4.17 $-1.72 $4.48
Cash & equivalents $206.45M $25.15M $2.45B
Total debt $3.25B – $3.23B
Shares (diluted) 109.66M 5.71M 145.97M
Enterprise value $5.75B $100.35M $43.39B

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
MetricDOXSILCCIEN
P/E 15.0x -24.5x 76.2x
P/FCF 7.8x – 61.2x
P/Operating cash flow 8.9x – 47.2x
P/S 1.4x 3.2x 8.3x
P/B 2.0x 2.1x 16.3x
P/Tangible book 2.2x 2.2x 17.4x
EV/EBITDA 8.9x – 56.2x
EV/EBIT 11.8x -19.5x 68.2x
EV/Revenue 1.6x 2.8x 8.4x
EV/FCF 8.6x – 61.9x
EV/Operating cash flow 9.9x – 47.8x
PEG (3Y EPS CAGR) -4.11 0.65 1.70

Growth

14 metrics
MetricDOXSILCCIEN
Revenue growth (1Y) 0.1% 28.6% 32.6%
Revenue CAGR (3Y) -1.1% -22.1% 12.5%
Gross profit growth (1Y) 2.9% 31.6% 40.6%
Gross profit CAGR (3Y) 1.5% -24.5% 13.3%
Operating income growth (1Y) -11.9% 18.2% 200.1%
Operating income CAGR (3Y) -3.0% -35.7% 29.1%
Net income growth (1Y) -18.0% 34.3% 364.5%
Net income CAGR (3Y) -7.0% -36.0% 43.5%
EPS growth (1Y) -14.5% 30.7% 359.9%
EPS CAGR (3Y) -3.7% -37.8% 44.8%
Operating cash flow growth (1Y) 1.6% – 34.5%
Operating cash flow CAGR (3Y) -0.8% – 201.2%
Free cash flow growth (1Y) 2.8% – 34.5%
Free cash flow CAGR (3Y) -3.2% – 95.4%

Profitability

14 metrics
MetricDOXSILCCIEN
Gross margin 38.3% 30.2% 44.1%
EBITDA margin 17.9% – 14.9%
Operating margin 13.5% -14.2% 12.3%
Pretax margin 12.5% -12.3% 12.1%
Net margin 9.8% -13.0% 10.9%
FCF margin 18.5% – 13.5%
Operating cash flow margin 16.1% – 17.5%
Return on equity – -8.5% 22.0%
Return on assets 7.2% -6.1% 9.3%
Return on invested capital – – 12.4%
Return on capital employed 13.4% -8.9% 13.1%
Asset turnover 0.7x 0.5x 0.9x
Cash conversion (OCF / net income) 1.6x – 1.6x
Stock comp / revenue 2.4% – 3.5%

Financial Health

11 metrics
MetricDOXSILCCIEN
Debt / assets 14.5% – 40.4%
Debt / equity 0.3x – 1.1x
Net debt / EBITDA 0.9x – 0.7x
Debt / FCF 1.1x – 4.0x
Liabilities / assets 48.1% 29.5% 61.8%
Equity / assets 51.9% 70.5% 38.2%
Interest coverage – – 10.6x
Current ratio 0.9x 3.1x 3.8x
Quick ratio 1.0x 1.3x 2.8x
Cash ratio 0.1x 0.8x 1.9x
Altman Z-score 3.93 4.64 7.25

Shareholder Returns

7 metrics
MetricDOXSILCCIEN
Dividend yield 3.6% – –
Net buyback yield 7.9% – -1.0%
Shareholder yield 11.5% 0.0% -1.0%
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.

ConsensusDOXSILCCIEN
Forward P/E 7.8xFY2026 – 46.2xFY2026
EPS, next fiscal year $7.92FY2026 $-0.43FY2026 $7.60FY2026
EPS growth, next FY +13.3%FY2026 – +187.9%FY2026
EPS growth, the year after +4.0% – +64.7%
Revenue, next fiscal year $4.46BFY2026 $91.18MFY2026 $6.86BFY2026
Revenue growth, next FY -1.6%FY2026 +47.2%FY2026 +43.8%FY2026
Revenue growth, the year after +5.0% +29.1% +18.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersDOXSILCCIEN
Held by institutions 93.0% 43.1% 92.9%
Institutions holding 446 51 1,220
Change in shares held, QoQ +0.5% +42.4% -1.7%
Institutions buying 250 32 729
Institutions selling 151 12 379
Buyers to sellers 1.66 2.67 1.92

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.

DOXSILCCIEN
DOX 1.00 -0.16 -0.20
SILC -0.16 1.00 0.42
CIEN -0.20 0.42 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, DOX, SILC and CIEN?

Ciena (CIEN) is the largest by market capitalisation: Amdocs (DOX) $6.70B, Silicom (SILC) $239.66M, Ciena (CIEN) $49.83B.

Which stock is cheaper, DOX, SILC and CIEN?

Amdocs (DOX) trades on the lowest price-to-earnings ratio (Amdocs (DOX) 15.0x, Silicom (SILC) -24.5x, Ciena (CIEN) 76.2x). On next year's consensus earnings, Amdocs (DOX) is cheapest (Amdocs (DOX) 7.8x, Ciena (CIEN) 46.2x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Ciena (CIEN) grew revenue fastest over the trailing twelve months: Amdocs (DOX) +0.1%, Silicom (SILC) +28.6%, Ciena (CIEN) +32.6%.

Which company is more profitable?

Ciena (CIEN) has the highest net margin (Amdocs (DOX) 9.8%, Silicom (SILC) -13.0%, Ciena (CIEN) 10.9%).

Which stock has performed better?

Over the past year Silicom (SILC) returned the most: Amdocs (DOX) -26.7%, Silicom (SILC) +141.4%, Ciena (CIEN) +92.4%. Over five years, Ciena (CIEN) compounded fastest (Amdocs (DOX) -4.2%/yr, Silicom (SILC) 0.0%/yr, Ciena (CIEN) +45.3%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Amdocs (DOX) 3.62%, Silicom (SILC) 0.00%. Silicom (SILC) and Ciena (CIEN) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Amdocs (DOX) has been the steadiest (Amdocs (DOX) 29.8%, Silicom (SILC) 90.3%, Ciena (CIEN) 77.8%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, DOX, SILC and CIEN?

There is no single answer; it depends on what you are buying for. On the 12 head-to-head measures on this page, Ciena (CIEN) leads on 5. 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.