RBBN
Ribbon Communications Inc.
NASDAQ · Communication Services · Telecommunications Services · US
$1.36
−3.55%Price chart
Sep 22Sep 25Sep 30Oct 5Oct 8Oct 13Oct 16Oct 21
Key dataOct 21, 2026
Open$1.42
From 52W high−66.34%
Volume731148.00
Market cap$243.20M
P/E (TTM)14.9x
P/S (TTM)0.3x
Div yield—
Key dataOct 21, 2026
Open
$1.42
From 52W high
−66.34%
Volume
731148.00
Market cap
$243.20M
ValuationView details →
P/E (Fwd)
8.8x
EV/EBITDA
15.5x
P/E (TTM)
14.9x
RSI (14)
35.0
MomentumView details →
1D Return
−3.55%
YTD Return
−51.91%
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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Latest newsMore news →
Ribbon Communications announced Ribbon Call Trust Deepfake Detection, a network-based solution for detecting calls containing AI-generated synthetic audio.14h agoRibbon Communications announced that it will report its third-quarter 2026 financial results after market close on October 27, 2026, followed by a conference call at 4:30 p.m.8d ago