SILC vs DOX vs CIEN Stock Comparison

Silicom, Amdocs and Ciena Prices as of Nov 5, 2026 Peers: Industry group
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SILC Silicom Ltd.
$26.40 -57.2% 1M +68.3% 1Y
Market cap
$150.64M
P/E
–
Revenue (TTM)
$86.53M
Div. yield
–
Networking Equipment Technology
2 wins
DOX Amdocs Ltd
$43.83 -25.1% 1M -47.8% 1Y
Market cap
$4.75B
P/E
9.7x
Revenue (TTM)
$4.70B
Div. yield
5.10%
Networking Equipment Technology
5 wins
CIEN Ciena Corp
$230.72 -48.0% 1M +17.8% 1Y
Market cap
$32.74B
P/E
50.1x
Revenue (TTM)
$6.02B
Div. yield
–
Networking Equipment Technology
3 wins

Head to Head

10 decided of 12

Amdocs leads on 5 of the 12 questions below (Amdocs 5, Ciena 3, Silicom 2). Which ones matter depends on what you are buying for; a cheap multiple and slow growth often come together.

QuestionSILCDOXCIENLeader
Larger companyMarket capitalisation $150.64M $4.75B $32.74B CIEN
Cheaper on earningsLower P/E, profitable companies only -20.6x 9.7x 50.1x DOX
Cheaper on forward earningsLower price / next fiscal year consensus EPS — 5.3x 30.4x DOX
Faster revenue growthRevenue growth, trailing twelve months +45.4% +3.6% +32.6% SILC
More profitableNet margin, trailing twelve months -8.5% 10.7% 10.9% CIEN
Better return on capitalReturn on invested capital — 12.6% 12.4% DOX
Less leveragedLower net debt / EBITDA — — 0.7x –
Higher dividend yieldTrailing dividend yield 0.00% 5.10% — –
Better 1-year returnPrice return, last 12 months +68.3% -47.8% +17.8% SILC
Better 5-year returnAnnualised price return, 5 years -10.4%/yr -10.4%/yr +30.7%/yr CIEN
Less volatileAnnualised volatility, 1 year 94.1% 46.7% 81.6% DOX
Higher overall scoreMean of the five percentile scores vs peers 45/100 66/100 55/100 DOX

Percentile Scorecard

SILCDOXCIEN

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

AxisSILCDOXCIEN
Valuation 52 #54 of 112 90 #12 of 112 23 #87 of 112
Growth 32 #74 of 108 35 #71 of 108 94 #8 of 108
Profitability 20 #83 of 104 85 #16 of 104 82 #20 of 104
Financial Health 77 #28 of 116 31 #80 of 116 44 #65 of 116
Shareholder Returns – 90 #9 of 83 32 #57 of 83
Overall 45 66 55
  • SILC ranked among 121 companies in Computer Hardware
  • DOX ranked among 121 companies in Computer Hardware
  • CIEN ranked among 121 companies in Computer Hardware

Price Performance

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

Returns

PeriodSILCDOXCIENSPY
1 month -57.2%-25.1%-48.0% -5.9%
3 months -36.4%-25.9%-42.8% -4.6%
6 months -40.3%-32.7%-57.2% +0.2%
Year to date +79.6%-45.6%-1.3% +7.5%
1 year +68.3%-47.8%+17.8% +8.2%
3 years +74.3%-47.3%+433.8% +68.3%
3 years, per year +20.4%-19.2%+74.8% +19.0%
5 years -42.3%-42.1%+281.4% +56.5%
5 years, per year -10.4%-10.4%+30.7% +9.4%
10 years -24.2%-24.7%+1,098.5% +251.5%
10 years, per year -2.7%-2.8%+28.2% +13.4%

Risk

MeasureSILCDOXCIENSPY
Volatility, 1Y 94.1%46.7%81.6% 13.6%
Downside volatility, 1Y 87.3%60.7%89.5% 14.2%
Beta vs S&P 500, 1Y 3.09-0.132.85 1.00
Return / volatility, 1Y 0.73-1.020.22 0.60
Max drawdown, 5Y -77.3%-55.8%-63.2% -25.4%
From 52-week high -57.2%-48.7%-63.2% -5.9%
52-week high $61.65$85.49$627.00 $779.14
52-week low $13.50$43.66$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.

MultipleSILCDOXCIEN
P/E now vs peer median -20.6xmedian 25.2x 9.7xmedian 25.2x 50.1xmedian 25.2x
P/S now vs peer median 1.7xmedian 2.4x 1.0xmedian 2.4x 5.4xmedian 2.4x
EV/EBITDA now vs peer median —median 16.2x —median 16.2x 37.1xmedian 16.2x
P/FCF now vs peer median —median 23.4x 3.4xmedian 23.4x 40.2xmedian 23.4x
P/B now vs peer median 1.3xmedian 2.3x 1.4xmedian 2.3x 10.7xmedian 2.3x
PEG now vs peer median 0.54median 0.98 179.38median 0.98 1.12median 0.98

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 monthsSILCDOXCIEN
Revenue $86.53M $4.70B $6.02B
Gross profit $25.87M $1.79B $2.65B
Operating income -$8.46M $682.94M $738.95M
Net income -$7.33M $501.24M $654.41M
Free cash flow – $1.38B $814.36M
R&D $21.58M $335.46M $924.94M
EPS (diluted) $-1.28 $4.57 $4.48
Cash & equivalents $13.74M $197.05M $2.45B
Total debt – $946.99M $3.23B
Shares (diluted) 5.71M 109.66M 145.97M
Enterprise value -$11.93M $3.93B $26.30B

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
MetricSILCDOXCIEN
P/E -20.6x 9.7x 50.1x
P/FCF – 3.4x 40.2x
P/Operating cash flow – 4.0x 31.0x
P/S 1.7x 1.0x 5.4x
P/B 1.3x 1.4x 10.7x
P/Tangible book 1.4x 1.4x 11.4x
EV/EBITDA – – 37.1x
EV/EBIT -14.1x 8.1x 45.1x
EV/Revenue 1.4x 1.2x 5.5x
EV/FCF – 4.0x 40.9x
EV/Operating cash flow – 4.6x 31.6x
PEG (3Y EPS CAGR) 0.54 179.38 1.12

Growth

14 metrics
MetricSILCDOXCIEN
Revenue growth (1Y) 45.4% 3.6% 32.6%
Revenue CAGR (3Y) -16.9% -1.3% 12.5%
Gross profit growth (1Y) 43.6% 4.0% 40.6%
Gross profit CAGR (3Y) -18.7% 1.2% 13.3%
Operating income growth (1Y) 35.1% -6.7% 200.1%
Operating income CAGR (3Y) -36.2% 1.5% 29.1%
Net income growth (1Y) 51.4% -11.7% 364.5%
Net income CAGR (3Y) -36.0% -2.6% 43.5%
EPS growth (1Y) 48.7% -11.2% 359.9%
EPS CAGR (3Y) -37.8% 0.1% 44.8%
Operating cash flow growth (1Y) – 60.4% 34.5%
Operating cash flow CAGR (3Y) – 13.5% 201.2%
Free cash flow growth (1Y) – 62.2% 34.5%
Free cash flow CAGR (3Y) – 13.5% 95.4%

Profitability

14 metrics
MetricSILCDOXCIEN
Gross margin 29.9% 38.1% 44.1%
EBITDA margin – – 14.9%
Operating margin -9.8% 14.5% 12.3%
Pretax margin -8.0% 13.5% 12.1%
Net margin -8.5% 10.7% 10.9%
FCF margin – 29.5% 13.5%
Operating cash flow margin – 25.6% 17.5%
Return on equity -6.3% 15.0% 22.0%
Return on assets -4.6% 7.8% 9.3%
Return on invested capital – 12.6% 12.4%
Return on capital employed -6.7% 14.6% 13.1%
Asset turnover 0.5x 0.7x 0.9x
Cash conversion (OCF / net income) – 2.4x 1.6x
Stock comp / revenue – – 3.5%

Financial Health

11 metrics
MetricSILCDOXCIEN
Debt / assets – 14.8% 40.4%
Debt / equity – 0.3x 1.1x
Net debt / EBITDA – – 0.7x
Debt / FCF – 0.7x 4.0x
Liabilities / assets 25.4% 47.9% 61.8%
Equity / assets 74.6% 52.1% 38.2%
Interest coverage – – 10.6x
Current ratio 3.8x 0.9x 3.8x
Quick ratio 1.6x 0.1x 2.8x
Cash ratio 1.0x 0.1x 1.9x
Altman Z-score 4.17 – 5.17

Shareholder Returns

7 metrics
MetricSILCDOXCIEN
Dividend yield – 5.1% –
Net buyback yield – – -1.5%
Shareholder yield 0.0% 5.1% -1.5%
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.

ConsensusSILCDOXCIEN
Forward P/E – 5.3xFY2027 30.4xFY2026
EPS, next fiscal year $-0.25FY2026 $8.24FY2027 $7.60FY2026
EPS growth, next FY – +11.2%FY2027 +187.9%FY2026
EPS growth, the year after – +15.7% +64.7%
Revenue, next fiscal year $94.04MFY2026 $4.68BFY2027 $6.86BFY2026
Revenue growth, next FY +51.9%FY2026 -0.4%FY2027 +43.8%FY2026
Revenue growth, the year after +29.1% +9.9% +18.0%

Institutional Ownership

13F filings, quarter ended Jun 30, 2026
HoldersSILCDOXCIEN
Held by institutions 43.1% 93.0% 93.0%
Institutions holding 51 448 1,224
Change in shares held, QoQ +42.4% +0.5% -1.7%
Institutions buying 32 250 733
Institutions selling 12 153 379
Buyers to sellers 2.67 1.63 1.93

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.

SILCDOXCIEN
SILC 1.00 -0.10 0.46
DOX -0.10 1.00 -0.04
CIEN 0.46 -0.04 1.00

Add a Peer

Largest companies in the same industry

Related Comparisons

Frequently Asked Questions

Which is bigger, SILC, DOX and CIEN?

Ciena (CIEN) is the largest by market capitalisation: Silicom (SILC) $150.64M, Amdocs (DOX) $4.75B, Ciena (CIEN) $32.74B.

Which stock is cheaper, SILC, DOX and CIEN?

Amdocs (DOX) trades on the lowest price-to-earnings ratio (Silicom (SILC) -20.6x, Amdocs (DOX) 9.7x, Ciena (CIEN) 50.1x). On next year's consensus earnings, Amdocs (DOX) is cheapest (Amdocs (DOX) 5.3x, Ciena (CIEN) 30.4x). A lower multiple can reflect slower expected growth, so read it next to the growth figures.

Which company is growing faster?

Silicom (SILC) grew revenue fastest over the trailing twelve months: Silicom (SILC) +45.4%, Amdocs (DOX) +3.6%, Ciena (CIEN) +32.6%.

Which company is more profitable?

Ciena (CIEN) has the highest net margin (Silicom (SILC) -8.5%, Amdocs (DOX) 10.7%, Ciena (CIEN) 10.9%). On return on invested capital, Amdocs (DOX) leads (Amdocs (DOX) 12.6%, Ciena (CIEN) 12.4%).

Which stock has performed better?

Over the past year Silicom (SILC) returned the most: Silicom (SILC) +68.3%, Amdocs (DOX) -47.8%, Ciena (CIEN) +17.8%. Over five years, Ciena (CIEN) compounded fastest (Silicom (SILC) -10.4%/yr, Amdocs (DOX) -10.4%/yr, Ciena (CIEN) +30.7%/yr). Returns are price only, before dividends.

Which pays a higher dividend?

Only one of these companies pays a dividend: Silicom (SILC) 0.00%, Amdocs (DOX) 5.10%. Silicom (SILC) and Ciena (CIEN) pays no regular dividend.

Which stock is riskier?

By one-year price volatility, Amdocs (DOX) has been the steadiest (Silicom (SILC) 94.1%, Amdocs (DOX) 46.7%, Ciena (CIEN) 81.6%). Volatility measures how widely the price swings, not the risk of the business.

Which is the better stock, SILC, DOX 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, Amdocs (DOX) 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.