Rambus (RMBS) Stock Chart & Stock Price History $70.44 +0.76 (+1.09%) Closing price 08/21/2025 04:00 PM EasternExtended Trading$70.16 -0.28 (-0.40%) As of 07:56 AM 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 ForecastsChartCompetitorsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Rambus Stock Price Performance The Rambus (RMBS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 54.64%, with a year-to-date return of 33.26%. In the past month, the stock has increased 5.75%, reflecting recent market activity. As of the latest close, Rambus traded at $70.44 with a market cap of $7.58 billion and volume of 640,900 shares. Five years ago, the stock traded at $13.38, representing a 426.46% increase over that period. At the time, it had a market cap of $1.62 billion and a volume of 1.97 million shares. Receive RMBS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Rambus and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-5.08%1 Month Performance+5.75%3 Month Performance+29.20%Year-To-Date Performance+33.26%1 Year Performance+54.64%5 Year Performance+426.46% RMBS Stock Chart for Friday, August, 22, 2025 RMBS Chart by TradingView Rambus 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 Capitalization08/21/2025$69.68$70.44+1.09%$71.13$69.37640,900 shs$7.58 billion08/20/2025$69.78$69.68-0.14%$69.87$67.151.55 million shs$7.50 billion08/19/2025$75.77$69.78-7.91%$75.37$69.641.75 million shs$7.51 billion08/18/2025$74.21$75.77+2.10%$75.79$73.75605,446 shs$8.15 billion08/15/2025$76.00$74.21-2.36%$75.58$73.60867,580 shs$7.98 billion08/14/2025$76.79$76.00-1.03%$76.70$75.21797,658 shs$8.18 billion08/13/2025$76.44$76.79+0.46%$78.16$75.401.01 million shs$8.26 billion08/12/2025$72.77$76.44+5.04%$76.63$72.341.11 million shs$8.22 billion08/11/2025$72.86$72.77-0.12%$74.87$72.431.24 million shs$7.83 billion08/08/2025$71.95$72.86+1.26%$73.97$72.03896,116 shs$7.84 billion Get the Latest News and Ratings for RMBS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Rambus and its competitors with MarketBeat's FREE daily newsletter. 08/07/2025$71.56$71.95+0.54%$73.83$70.581.07 million shs$7.74 billion08/06/2025$73.79$71.56-3.02%$73.42$70.911.12 million shs$7.70 billion08/05/2025$75.73$73.79-2.56%$76.20$73.081.46 million shs$7.94 billion08/04/2025$72.41$75.73+4.59%$75.77$72.411.32 million shs$8.15 billion08/01/2025$73.93$72.41-2.06%$73.19$69.511.91 million shs$7.78 billion07/31/2025$75.09$73.93-1.54%$74.94$73.151.94 million shs$7.94 billion07/30/2025$73.15$75.09+2.65%$76.07$73.032.29 million shs$8.07 billion07/29/2025$64.24$73.15+13.87%$73.30$65.313.63 million shs$7.86 billion07/28/2025$62.85$64.24+2.21%$65.38$63.301.86 million shs$6.90 billion07/25/2025$64.21$62.85-2.12%$64.34$62.81973,954 shs$6.75 billion07/24/2025$65.95$64.21-2.64%$65.92$63.001.21 million shs$6.90 billion07/23/2025$66.61$65.95-0.99%$66.69$64.841.09 million shs$7.08 billion07/22/2025$68.91$66.61-3.34%$68.70$65.181.24 million shs$7.15 billion07/21/2025$68.21$68.91+1.03%$70.05$68.311.73 million shs$7.40 billion Related Companies Axcelis Technologies Stock Price Chart Applied Materials Stock Price Chart Amkor Technology Stock Price Chart KLA Stock Price Chart Lam Research Stock Price Chart MKS Stock Price Chart Monolithic Power Systems Stock Price Chart MACOM Technology Solutions Stock Price Chart NXP Semiconductors Stock Price Chart Onto Innovation Stock Price Chart Receive RMBS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Rambus and its competitors with MarketBeat's FREE daily newsletter. 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