Spirent Communications (SPMYY) Stock Chart & Stock Price History $10.19 -0.37 (-3.46%) As of 08/21/2025 12:12 PM Eastern Add Compare Share Share Chart Stock AnalysisChartDividendHeadlinesShort InterestBuy This Stock Spirent Communications Stock Price Performance The Spirent Communications (SPMYY) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 10.76%, with a year-to-date return of 8.87%. In the past month, the stock has increased 1.39%, reflecting recent market activity. As of the latest close, Spirent Communications traded at $10.19 with a market cap of $1.47 billion and volume of 922 shares. Five years ago, the stock traded at $14.90, representing a 31.61% decrease over that period. At the time, it had a market cap of $2.29 billion and a volume of 400 shares. 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Email Address 5 Day PerformanceN/A1 Month PerformanceN/A3 Month Performance+1.70%Year-To-Date PerformanceN/A1 Year Performance+10.76%5 Year Performance-31.61% SPMYY Stock Chart for Saturday, August, 23, 2025 SPMYY Chart by TradingView Spirent 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$10.19$10.19$10.59$10.19922 shs$1.47 billion08/21/2025$10.56$10.19-3.46%$10.59$10.19922 shs$1.47 billion08/20/2025$9.95$10.56+6.08%$10.56$10.56130 shs$1.53 billion08/08/2025$9.95$9.95$9.95$9.951,224 shs$1.44 billion08/07/2025$9.95$9.95$9.95$9.951,224 shs$1.44 billion08/06/2025$10.05$9.95-1.03%$9.95$9.951,224 shs$1.44 billion07/31/2025$9.88$9.88$9.88$9.8810 shs$1.43 billion07/30/2025$9.88$9.88$9.88$9.8810 shs$1.43 billion07/29/2025$9.88$9.88$9.88$9.8810 shs$1.43 billion07/28/2025$9.88$9.88$9.88$9.8810 shs$1.43 billion07/22/2025$9.88$9.88$9.88$9.881 shs$1.43 billion Related Companies VIAV Stock Price Chart KN Stock Price Chart ATUS Stock Price Chart HLIT Stock Price Chart OOMA Stock Price Chart AUDC Stock Price Chart KVHI Stock Price Chart AMPG Stock Price Chart AIRG Stock Price Chart UTSI Stock Price Chart Receive SPMYY Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Spirent Communications and its competitors with MarketBeat's FREE daily newsletter. 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