Ciena Corporation (CIEN) vs Block, Inc. (XYZ)

A side-by-side comparison of Ciena Corporation and Block, Inc. across valuation, profitability, dividends, and growth — built entirely from reported fundamentals, as of September 11, 2026. Differences are shown without an overall score or investment verdict.

Compare

Total returnCIEN vs XYZ

growth of $100 · dividends reinvested · last 10y
CIEN +1438.7% (+31.4%/yr)XYZ +607.0% (+21.6%/yr)CIEN compounded faster over this window
01k2kStart $10020182020202220242026$1,539$707
CIEN XYZ

CIEN vs XYZ: by the numbers

  • CIEN is the larger company ($49.48B vs $47.14B market cap).
  • CIEN trades at the lower trailing earnings multiple (78.02 vs 141.45 P/E), one valuation lens rather than an overall verdict.
  • CIEN converts more revenue to profit (10.87% vs 1.43% net margin).
  • CIEN grew revenue faster over the past five years (12.05% vs 9.47% CAGR).

Metrics side by side

Valuation

MetricCIENXYZ
P/E ratio78.02141.45
Forward P/E48.88N/A
P/S ratio8.221.88
P/B ratio16.192.14
EV / EBITDA45.2115.67
FCF yield1.45%10.22%

Profitability

MetricCIENXYZ
Gross margin44.07%46.36%
Operating margin14.10%10.15%
Net margin10.87%1.43%
ROE21.41%1.62%
ROIC11.56%4.78%

Growth (annualized)

MetricCIENXYZ
Revenue CAGR (5Y)12.05%9.47%
EPS CAGR (5Y)-17.95%34.72%
FCF CAGR (5Y)13.27%59.89%
Total return CAGR (5Y)44.07%-20.60%

Frequently asked

Which has the lower trailing P/E, CIEN or XYZ?
CIEN has the lower trailing P/E: CIEN trades at 78.02 and XYZ at 141.45. P/E is one valuation measure and does not by itself establish which business is cheaper.
Which has grown faster, CIEN or XYZ?
Over the past five years, CIEN grew revenue faster — CIEN at a 12.05% CAGR versus XYZ at 9.47%.
Is CIEN or XYZ more profitable?
CIEN runs the higher net margin — CIEN at 10.87% versus XYZ at 1.43%.
How have CIEN and XYZ total returns compared?
Over the past 10 years, CIEN delivered 31.48% and XYZ delivered 21.56% annualized total return. Past performance doesn't predict future results.

Figures are sourced from reported fundamentals and the latest end-of-day price. This comparison is informational only and is not investment advice. Past performance does not predict future results. See our methodology. Compiled by TGMCharts Research · data verified September 11, 2026.