Ribbon Communications (RBBN) Stock Chart & Stock Price History $2.61 -0.05 (-1.88%) Closing price 04:00 PM EasternExtended Trading$2.59 -0.02 (-0.92%) As of 04:48 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Massive. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Ribbon Communications Stock Price Performance The Ribbon Communications (RBBN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 28.10%, with a year-to-date return of -9.38%. In the past month, the stock has decreased 9.06%, reflecting recent market activity. As of the latest close, Ribbon Communications traded at $2.66 with a market cap of $468.53 million and volume of 837,728 shares. Five years ago, the stock traded at $7.32, representing a 64.34% decrease over that period. At the time, it had a market cap of $1.08 billion and a volume of 292,717 shares. Receive RBBN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Ribbon Communications and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsSMS is currently available in Australia, Belgium, Canada, France, Germany, Ireland, Italy, New Zealand, the Netherlands, Singapore, South Africa, Spain, Switzerland, the United Kingdom, and the United States. By entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. 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Read our full terms of service and privacy policy. 5 Day Performance+1.56%1 Month Performance-9.06%3 Month Performance+25.48%Year-To-Date Performance-9.38%1 Year Performance-28.10%5 Year Performance-64.34% RBBN Stock Chart for Wednesday, May, 20, 2026 RBBN Chart by TradingView Ribbon Communications Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization05/19/2026$2.64$2.66+0.76%$2.77$2.60837,728 shs$468.53 million05/18/2026$2.57$2.64+2.72%$2.73$2.55890,515 shs$465.01 million05/15/2026$2.63$2.57-2.28%$2.58$2.431.00 million shs$452.68 million05/14/2026$2.60$2.63+1.15%$2.76$2.62715,861 shs$463.25 million05/13/2026$2.55$2.60+1.96%$2.63$2.53523,811 shs$457.96 million05/12/2026$2.63$2.55-3.04%$2.67$2.48663,675 shs$449.16 million05/11/2026$2.78$2.63-5.40%$2.77$2.63868,784 shs$463.25 million05/08/2026$2.69$2.78+3.35%$2.80$2.65673,529 shs$473.81 million05/07/2026$2.68$2.69+0.37%$2.78$2.65538,657 shs$472.12 million05/06/2026$2.73$2.68-1.83%$2.77$2.66520,422 shs$470.37 million Get the Latest News and Ratings for RBBN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Ribbon Communications and its competitors with MarketBeat's FREE daily newsletter. 05/05/2026N/A$2.73$2.76$2.67501,324 shs$479.14 million04/30/2026$2.38$2.64+10.92%$2.64$2.391.31 million shs$463.35 million04/29/2026$2.60$2.38-8.46%$2.59$2.292.06 million shs$417.71 million04/28/2026$2.66$2.60-2.26%$2.66$2.56930,763 shs$456.32 million04/27/2026$2.78$2.66-4.32%$2.80$2.64596,979 shs$466.86 million04/24/2026$2.71$2.78+2.58%$2.81$2.70960,608 shs$487.92 million04/23/2026$2.75$2.71-1.45%$2.78$2.65652,393 shs$475.63 million04/22/2026$3.06$2.75-10.13%$3.13$2.731.93 million shs$482.91 million04/21/2026$2.87$3.06+6.62%$3.08$2.861.32 million shs$537.34 million04/20/2026$2.81$2.87+2.14%$2.88$2.77757,194 shs$503.97 million Related Companies HLIT Stock Price Chart ADTN Stock Price Chart NTGR Stock Price Chart CAMP Stock Price Chart KVHI Stock Price Chart AVNW Stock Price Chart CMTL Stock Price Chart AWRE Stock Price Chart CSCO Stock Price Chart QCOM Stock Price Chart Receive RBBN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Ribbon Communications and its competitors with MarketBeat's FREE daily newsletter. 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