RBBN
Ribbon Communications Inc.
NASDAQ · Communication Services · Telecommunications Services · US
$1.72
+2.99%Price chart
Aug 19Aug 24Aug 27Sep 1Sep 4Sep 10Sep 15Sep 18
Key dataSep 18, 2026
Open$1.68
From 52W high−57.43%
Volume1.67M
Market cap$307.58M
P/E (TTM)18.8x
P/S (TTM)0.4x
Div yield—
Key dataSep 18, 2026
Open
$1.68
From 52W high
−57.43%
Volume
1.67M
Market cap
$307.58M
ValuationView details →
P/E (Fwd)
12.5x
EV/EBITDA
17.2x
P/E (TTM)
18.8x
RSI (14)
26.3
MomentumView details →
1D Return
+2.99%
YTD Return
−42.71%
SummaryUpdated Jun 1, 2026
Ribbon Communications Inc. (NASDAQ:RBBN) is a telecommunications technology company founded in 1997 and headquartered in Plano, Texas. Originally established as Sonus Networks, the company rebranded to Ribbon Communications in November 2017 following strategic acquisitions and business expansion. Ribbon provides critical communications infrastructure solutions that enable voice, data, and video communications across traditional and next-generation networks. The company serves telecommunications service providers, enterprises, and government agencies globally, helping them modernize their networks and transition to cloud-based communications platforms.
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Ribbon Communications Inc. reported its financial results for the second quarter of 2026, with revenue of $192 million and non-GAAP adjusted EBITDA of $12 million.54d agoComporium selected Ribbon Communications' technology to modernize its voice infrastructure.94d agoRibbon Communications Inc. introduces network solutions for rapid deployment for mobile data centers, defense agencies, and critical infrastructure operators.103d ago