Ribbon Communications Inc (RBBN) fair value: what the stock is really worth
As of Nov 6, 2026: fair value (intrinsic value) of Ribbon Communications Inc stock $3.33, price $1.35, upside +146.7%, quality 52 out of 100. Rating: strongly undervalued. Calculated from audited financials with 24 of our 26 valuation models and 37 quality factors, updated daily.
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Ribbon Communications Inc
RBBN · USThe stock costs 59% less than our calculation considers fair.
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Price vs Fair Value
White line = price, green steps = our fair value per fiscal year. As of Nov 6, 2026.
How to read this chart
60‑month range $1.32 – $7.40 · fair‑value band $1.84 – $4.70 · the $1.35 price screens below the $3.33 fair value. Green steps = our fair value per fiscal year (point-in-time, no hindsight). 1 fiscal year is left out: there the valuation rested on only a fraction of the usual models. As of Nov 6, 2026.
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Company profile
Ribbon Communications Inc. provides communications technology in the United States, Europe, the Middle East, Africa, the Asia Pacific, and internationally. It operates through two segments, Cloud and Edge, and IP Optical Networks.
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The Cloud and Edge segment provides software and hardware products, solutions, and services for voice over internet protocol communications, voice over long-term evolution, and voice over 5G communications, and unified communications and collaboration.
It also offers session border controllers; and network transformation products, such as call controllers, media gateways, and application servers. This segment serves private, public, hybrid cloud infrastructures, as well as data centers, enterprise premises, and service provider networks.
The IP Optical Networks segment provides hardware and software products and solutions for IP networking, switching, routing, and optical transport for technologies comprising 5G, distributed cloud computing, and corresponding applications.
It also offers multiple solutions, including 5G-native solutions for mobile-backhaul, metro and edge aggregation, core networking, data center interconnect, multi-service access, and transport solutions for wholesale carriers.
This segment serves utilities, government, defense, finance, transportation, and education and research industries, as well as service providers and enterprises. The company was formerly known as Sonus Networks, Inc. and changed its name to Ribbon Communications Inc. in November 2017.
Ribbon Communications Inc. was founded in 1997 and is headquartered in Plano, Texas.
Stock analysis
Ribbon Communications Inc (RBBN) currently trades at $1.35, while our model-based Fair Value estimate is $3.33, implying the stock looks roughly 59% undervalued today.
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Valuation
Bull case: the Growth Earnings group reads highest at a median of $5.42 per share, and 16 of the 23 models we run sit above the $1.35 price.
Bear case: the Earnings-Based group reads lowest at $1.56, and 7 of the 23 models stay below the price. Data coverage for this calculation is medium.
Scenario range: $1.84 (bear) to $4.70 (bull), the price of $1.35 sits below it. Bear and bull are the same models on cautious and optimistic assumptions, a range, not a price target.
Quality & growth
The Quality Score stands at 52/100 (solid quality), in the Technology sector.
Weak Growth: Growth has flattened: the last year, three and five years all grew more slowly than the long-term average.
Ribbon Communications Inc reported revenue of $845M in FY2025 versus $845M in FY2021, a compound 0.0%/yr. Reported net income was $39.6M in FY2025.
Key figures
Market cap $292M Micro · P/S ratio 0.37 · EPS (TTM) $0.1000 · Dividend yield 0.9% · Net margin 2.3% · Return on equity 5.0% · Return on assets (EBIT) −1.9% (5-year average) · Revenue (TTM) $798M.
Competitive moat
Our AI-assisted moat analysis scores the competitive advantage at 33 out of 100 (low confidence).
What moves the price
The share trades about 60% below its 52-week high and 2% above its 52-week low, currently below its 200-day average.
For context, the median of 10 Technology peers we cover trades at 10% fair-value upside, at 147%, RBBN screens cheaper than that median.
Fair Value models
All 24 models by family
Quality Score breakdown
It rates the business: profits, how they develop, real cash, balance sheet, investing and share count.
Insider trades
In the last 6 months, one officer or director bought shares worth $96,240, on Oct 30, 2026.
- BuyBruce William McClellandPresident & CEO, Director2× since Feb 10, 2026: 97,000 shares, avg. $1.76$170,585Oct 30, 2026
Plus 16 other filings such as grants, option exercises or tax withholding. They are not market purchases or sales.
Sales are often planned (taxes, diversification, 10b5-1 plans). Purchases with their own money are seen as the stronger sign. For information only: not part of the quality score or Fair Value.
Source: SEC Form 4, as of Nov 6, 2026. All filings at the SEC ↗
Revenue & earnings trend
Growth Forecast
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Compare Ribbon Communications Inc with another stock
Price, fair value, quality and upside side by side.
Peer GroupⓘHow this stock ranks against its industry: the green marker is this stock, the band is the typical 25–75% peer range, and the tick is the median.Software - Application · 621 stocks
Valuation Multiplesvs Software - Application median · lower = cheaper
Strength profile in five axes (Snowflake)
Context: sector, industry, market
- Is the Information Technology sector expensive or cheap?
- P/E, EV/EBITDA and margins by industry (reference tables)
- Return on equity by industry
- Quality Score by industry
- Stock screener with 62 metrics
- Undervalued stocks: US Stocks
- Valuation of the USA market
Values & ESG
Does this company touch areas you may want to avoid? The classification is inferred from sector and industry.
Similar stocks
10 more Software - Application stocks, each showing price versus our Fair Value estimate.
| Stock | Price | Fair Value | vs Fair Value | Compare |
|---|---|---|---|---|
| Adobe Inc ADBE | $239.30 | $463.72 | +94% | vs RBBN |
| Salesforce, Inc CRM | $213.65 | $342.73 | +60% | vs RBBN |
| Uber Technologies, Inc UBER | $68.59 | $101.28 | +48% | vs RBBN |
| Intuit Inc INTU | $341.50 | $459.14 | +34% | vs RBBN |
| ServiceNow, Inc NOW | $101.97 | $112.17 | +10% | vs RBBN |
| SAP SE SAP | €211.65 | €173.59 | −18% | vs RBBN |
| Cadence Design Systems, Inc CDNS | $319.92 | $225.48 | −30% | vs RBBN |
| Automatic Data Processing, Inc ADP | $303.35 | $150.40 | −50% | vs RBBN |
| Shopify Inc SHOP | $148.91 | $64.96 | −56% | vs RBBN |
| Snowflake Inc SNOW | $275.88 | $73.81 | −73% | vs RBBN |
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Key figures of Ribbon Communications Inc
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