ADTN vs CIEN
ADTN: A leading global provider of fiber-based networking and communications platforms, software, and services enabling service providers and enterprises to deliver high-capacity connectivity from the network core to customer premises. CIEN: Ciena is a software-driven networking vendor that designs and deploys optical networking and software platforms enabling service providers and enterprises to build high-capacity, intelligent networks.
Side-by-side fundamentals
| Metric | ADTN | CIEN | Edge |
|---|---|---|---|
| Price as of 2026-07-22 close | $10.45 | $397.16 | |
| Market cap as of 2026-07-23 | $846M | $57.9B | |
| P/E as of 2026-07-23 | n/a | 132.00 | |
| PEG as of 2026-07-23 | n/a | 0.43 | |
| Net margin as of 2026-07-23 | -3.2% | +7.9% | CIEN higher |
| Gross margin as of 2026-07-23 | +38.6% | +43.0% | CIEN higher |
| Operating margin as of 2026-07-23 | -0.5% | +9.2% | CIEN higher |
| ROE as of 2026-07-23 | -24.0% | +15.7% | CIEN higher |
| ROA as of 2026-07-23 | -3.0% | +7.4% | CIEN higher |
| Debt / equity as of 2026-07-23 | 1.59 | 0.53 | CIEN lower |
| Revenue growth (YoY) as of 2026-07-23 | -4.1% | +30.6% | CIEN higher |
| Revenue CAGR (3y) SEC XBRL | +1.9% | +9.5% | CIEN higher |
| Dividend yield as of 2026-07-23 | +6.7% | n/a | |
| Dividend streak (yrs) SEC XBRL | 5 | n/a | |
| Beta as of 2026-07-23 | 1.47 | 1.31 | |
| 1-year return as of 2026-07-22 close | +28.5% | +370.8% | CIEN higher |
Fundamentals: Finnhub, as of 2026-07-23. Filings: SEC EDGAR. Prices are delayed daily-close data.
Last updated 2026-07-22.
Informational only — NOT financial advice. All figures are delayed daily-close data from SEC EDGAR & Finnhub, shown with their as-of date; "Edge" cells are a pure numeric comparison, not a recommendation.