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.
CIEN
Ciena Corporation
$349.54TechnologyDelayed quote: Sep 11, 2026, 4:00 PM EDT
XYZ
Block, Inc.
$79.21TechnologyDelayed quote: Sep 11, 2026, 4:00 PM EDT
Total return — CIEN vs XYZ
growth of $100 · dividends reinvested · last 10yCIEN +1438.7% (+31.4%/yr)XYZ +607.0% (+21.6%/yr)CIEN compounded faster over this window
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
| Metric | CIEN | XYZ |
|---|---|---|
| P/E ratio | 78.02 | 141.45 |
| Forward P/E | 48.88 | N/A |
| P/S ratio | 8.22 | 1.88 |
| P/B ratio | 16.19 | 2.14 |
| EV / EBITDA | 45.21 | 15.67 |
| FCF yield | 1.45% | 10.22% |
Profitability
| Metric | CIEN | XYZ |
|---|---|---|
| Gross margin | 44.07% | 46.36% |
| Operating margin | 14.10% | 10.15% |
| Net margin | 10.87% | 1.43% |
| ROE | 21.41% | 1.62% |
| ROIC | 11.56% | 4.78% |
Growth (annualized)
| Metric | CIEN | XYZ |
|---|---|---|
| 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.
Go deeper
Dig into the metrics
Ciena P/E ratioBlock P/E ratioCiena ROEBlock ROECiena operating marginBlock operating marginCiena revenue growthBlock revenue growthCiena free cash flowBlock free cash flow
Ciena & Block appear in these rankings
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.