ADTN vs RBBN
ADTN: ADTRAN provides end-to-end fiber-based networking and AI-driven cloud software for service providers and enterprises, connecting the network core to the subscriber edge. RBBN: Ribbon Communications provides secure, cloud-centric networking and communication solutions that connect service providers and enterprises to the evolving AI-enabled digital landscape.
Side-by-side fundamentals
| Metric | ADTN | RBBN | Edge |
|---|---|---|---|
| Price as of 2026-10-21 close | $6.69 | $1.36 | |
| Market cap | $545M | $243M | |
| P/E as of 2026-10-21 | n/a | 17.00 | |
| Net margin FY2025, SEC XBRL | -4.2% | +4.7% | RBBN higher |
| Gross margin FY2025, SEC XBRL | +38.3% | +49.8% | RBBN higher |
| Operating margin FY2025, SEC XBRL | -1.4% | -0.4% | RBBN higher |
| ROE FY2025, SEC XBRL | -31.3% | +8.8% | RBBN higher |
| ROA FY2025, SEC XBRL | -3.8% | +3.3% | RBBN higher |
| Debt / equity filed borrowings, leases excl., balance sheet 2026-06-30 | n/a | 0.84 | |
| Revenue growth (YoY) FY2025, SEC XBRL | +17.5% | +1.3% | ADTN higher |
| Revenue CAGR (3y) SEC XBRL | +1.9% | +1.0% | ADTN higher |
| Dividend streak (yrs) SEC XBRL | 7 | 0 | ADTN higher |
| Beta as of 2026-09-03 | 1.69 | 1.48 | |
| 1-year return as of 2026-10-21 close | -28.3% | -66.3% | ADTN 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 2026-10-21.
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.