Ribbon Communications (RBBN) Stock Chart & Stock Price History $3.97 +0.23 (+6.15%) Closing price 08/22/2025 04:00 PM EasternExtended Trading$3.96 -0.02 (-0.38%) As of 08/22/2025 07:40 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 Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy 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 increased 17.46%, with a year-to-date return of -4.57%. In the past month, the stock has decreased 6.59%, reflecting recent market activity. As of the latest close, Ribbon Communications traded at $3.97 with a market cap of $703.01 million and volume of 507,719 shares. Five years ago, the stock traded at $4.43, representing a 10.38% decrease over that period. At the time, it had a market cap of $663.33 million and a volume of 137,500 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. Email Address 5 Day Performance+1.79%1 Month Performance-6.59%3 Month Performance+13.11%Year-To-Date Performance-4.57%1 Year Performance+17.46%5 Year Performance-10.38% RBBN Stock Chart for Saturday, August, 23, 2025 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 to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization08/22/2025$3.74$3.97+6.15%$3.99$3.76507,719 shs$703.01 million08/21/2025$3.71$3.74+0.81%$3.76$3.68253,005 shs$662.28 million08/20/2025$3.74$3.71-0.80%$3.72$3.63606,097 shs$656.97 million08/19/2025$3.90$3.74-4.10%$3.93$3.73403,292 shs$662.28 million08/18/2025$3.87$3.90+0.78%$3.94$3.86256,793 shs$690.61 million08/15/2025$3.95$3.87-2.03%$3.96$3.82492,722 shs$685.30 million08/14/2025$4.08$3.95-3.19%$4.07$3.88473,884 shs$699.47 million08/13/2025$4.06$4.08+0.49%$4.11$3.97531,057 shs$722.49 million08/12/2025$4.02$4.06+1.00%$4.11$4.00685,176 shs$718.95 million08/11/2025$3.79$4.02+6.07%$4.04$3.79948,072 shs$711.87 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. 08/08/2025$3.78$3.79+0.26%$3.83$3.74236,456 shs$671.14 million08/07/2025$3.79$3.78-0.26%$3.85$3.73360,967 shs$669.36 million08/06/2025$3.58$3.79+5.87%$3.81$3.57456,595 shs$671.13 million08/05/2025$3.63$3.58-1.38%$3.70$3.57398,639 shs$633.95 million08/04/2025$3.60$3.63+0.83%$3.69$3.58616,168 shs$642.80 million08/01/2025$3.76$3.60-4.26%$3.72$3.60656,503 shs$637.49 million07/31/2025$3.80$3.76-1.05%$3.80$3.72490,518 shs$665.82 million07/30/2025$3.87$3.80-1.81%$3.90$3.77640,126 shs$670.87 million07/29/2025$3.83$3.87+1.04%$3.93$3.76696,392 shs$683.21 million07/28/2025$3.83$3.83$3.85$3.76772,027 shs$676.15 million07/25/2025$3.89$3.83-1.54%$3.89$3.79521,458 shs$676.15 million07/24/2025$4.25$3.89-8.47%$4.23$3.601.55 million shs$686.74 million07/23/2025$4.03$4.25+5.46%$4.29$4.06814,124 shs$750.30 million07/22/2025$4.07$4.03-0.98%$4.10$4.01660,978 shs$711.46 million Related Companies EXTR Stock Price Chart BELFB Stock Price Chart DGII Stock Price Chart HLIT Stock Price Chart NTGR Stock Price Chart ADTN Stock Price Chart AVNW Stock Price Chart KVHI Stock Price Chart CMTL Stock Price Chart AWRE 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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