CIEN vs CSCO
CIEN: Ciena provides high-speed optical networking, routing, and automation software designed to scale network capacity and meet the massive bandwidth demands driven by artificial intelligence and cloud computing. CSCO: A global leader in networking and IT infrastructure providing the hardware, software, and services that power modern internet and enterprise communications.
Side-by-side fundamentals
| Metric | CIEN | CSCO | Edge |
|---|---|---|---|
| Price as of 2026-10-08 close | $425.93 | $114.89 | |
| Market cap | $60.4B | $453.0B | |
| P/E as of 2026-10-08 | 141.77 | 38.28 | CSCO lower |
| PEG as of 2026-10-08, 3-year EPS CAGR to FY2026 | n/a | 13.94 | |
| Net margin | +2.6% | +21.0% | CSCO higher |
| Gross margin | +42.0% | +64.5% | CSCO higher |
| Operating margin | +4.1% | +24.3% | CSCO higher |
| ROE | +4.5% | +26.4% | CSCO higher |
| ROA | +2.1% | +10.2% | CSCO higher |
| Debt / equity as of 2026-09-03 | 0.53 | 0.64 | CIEN lower |
| Revenue growth (YoY) as of 2026-09-03 | +30.6% | +9.2% | CIEN higher |
| Revenue CAGR (3y) SEC XBRL | +9.5% | +3.6% | CIEN higher |
| Dividend yield as of 2026-09-03 | n/a | +1.5% | |
| Dividend streak (yrs) SEC XBRL | 0 | 16 | CSCO higher |
| Beta as of 2026-09-03 | 2.00 | 0.93 | |
| 1-year return as of 2026-10-08 close | +166.8% | +63.4% | CIEN higher |
Fundamentals: SEC XBRL company filings for the figures marked with a fiscal year, and market data, as of 2026-09-03 for the rest. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-10-08.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & market data, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.