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Daily valuation snapshot
Ribbon Communications Inc. Common Stock: source evidence dated 2026-10-09.
- Daily close (USD)
- $1.7
- Market capitalization (USD)
- $303,999,698.4
- Price / earnings (TTM)
- 19.49
- Price / book
- 0.77
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Company overview
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. 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 signaling products, call controllers, media gateways, and application servers. This segment serves private, public, or 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.
Daily valuation snapshot
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These values come from the daily market snapshot dated 2026-10-09. TTM means trailing twelve months. Use the market date when comparing RBBN with another company.
| Daily close (USD) | $1.7 |
| Market capitalization (USD) | $303,999,698.4 |
| Price / earnings (TTM) | 19.49 |
| Price / book | 0.77 |
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Company size
Ribbon Communications Inc. Common Stock's recorded market capitalization is $303,999,698.4. It measures the market value of the company's equity, rather than its revenue or cash balance.
Price relative to earnings
RBBN's recorded P/E is 19.49: about $19.49 of share price for each $1 of trailing annual earnings per share. Compare that multiple with earnings growth and companies in the same business.
Price relative to book equity
RBBN's recorded price-to-book ratio is 0.77. That compares its market equity value with recorded book equity. Examine its business and balance sheet to understand why those values differ.
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