Ribbon Communications Inc. Common Stock (RBBN)

FairStock Score: 61/100 — STEADY

Key Financials

AI Analysis

AI-generated, general educational analysis — not personal investment advice.

I look at Ribbon Communications as a small communications technology company selling software and hardware for voice and data networks. At $1.51 on 2026-10-13, the market values it at $270.0M. FairStock's calculations show a P/B of 0.69, so the shares trade below stated book value, and its Graham Number of $1.99 implies about a 24.12% margin of safety. That is the kind of arithmetic Graham liked. But the business quality is uneven. Ribbon reported a fiscal 2025 profit: revenue $844.6M, net income $39.6M, and diluted EPS $0.22. That followed losses in fiscal 2024 and fiscal 2023, which is why FairStock calls it a TURNAROUND. The latest filed results, however, show the turnaround wobbling. In fiscal Q2 2026, the quarter ended 2026-06-30, revenue was $192.3M and net loss was $26.9M, or diluted EPS -$0.15. Fiscal Q1 2026 had revenue $162.6M and a net loss of $34.5M, or EPS -$0.20. Revenue growth is -12.80%, profit growth -142.23%, ROCE -0.65%, and the Piotroski F-Score is 4/9. Debt-to-equity of 1.01 and an Altman Z-Score of -1.49 suggest balance-sheet risk. Trailing free cash flow is positive at $6.8M, a 2.5% FCF yield, but that is thin. FairStock also calculates P/E of 18.87 and EV/EBITDA of 22.22, not cheap for a shrinking business. The stock looks statistically cheap against book and Graham value, but cheapness without durable earnings can be a trap.

In plain English: Ribbon Communications makes communications software and hardware used by phone and data networks. The business looks weak right now: it earned a profit in fiscal 2025, but it has posted large losses in the first half of fiscal 2026 and revenue is falling. The stock price looks cheap compared with the company's stated net worth and a conservative value estimate, but that cheapness comes with clear risk.

The full AI analysis, bull and bear case and key monitorables are in FairStock Pro.

Data as of 2026-10-13 close · note generated 2026-10-15 · model deepseek-flash

Sources (SEC EDGAR): fiscal Q2 2026 10-Q (period ended 2026-06-30) · fiscal Q1 2026 10-Q (period ended 2026-03-31) · fiscal Q3 2025 10-Q (period ended 2025-09-30) · fiscal Q2 2025 10-Q (period ended 2025-06-30) · FY2025 10-K (period ended 2025-12-31) · FY2024 10-K (period ended 2024-12-31) · FY2023 10-K (period ended 2023-12-31)

Fundamentals from company filings and market-data providers; prices are end-of-day, not real-time. AI-generated analysis is general and educational — not personal investment advice. Scoring methodology · Score test · Disclaimer