Spirent Communications (SPT) Stock Chart & Stock Price History GBX 196.84 -0.16 (-0.08%) As of 09/12/2025 12:24 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendHeadlinesInsider TradesBuy This Stock Spirent Communications Stock Price Performance The Spirent Communications (SPT) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 13.13%, with a year-to-date return of 11.21%. In the past month, the stock has increased 0.63%, reflecting recent market activity. As of the latest close, Spirent Communications traded at GBX 196.84 with a market cap of £1.14 billion and volume of 7.14 million shares. Five years ago, the stock traded at GBX 270.50, representing a 27.23% decrease over that period. At the time, it had a market cap of £1.65 billion and a volume of 615,137 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+0.74%1 Month Performance+0.63%3 Month Performance+2.60%Year-To-Date Performance+11.21%1 Year Performance+13.13%5 Year Performance-27.23% SPT Stock Chart for Saturday, September, 13, 2025 SPT 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 Capitalization09/12/2025GBX 196.94GBX 196.84-0.05%GBX 197.20GBX 196.607.14 million shs£1.14 billion09/11/2025GBX 196.70GBX 196.94+0.12%GBX 197GBX 196.203.96 million shs£1.14 billion09/10/2025GBX 196.94GBX 196.70-0.12%GBX 197.40GBX 196.4025.88 million shs£1.14 billion09/09/2025GBX 195.40GBX 196.94+0.79%GBX 197.40GBX 19614.37 million shs£1.14 billion09/08/2025GBX 195.06GBX 195.40+0.17%GBX 195.80GBX 195231,041 shs£1.13 billion09/05/2025GBX 194.20GBX 195.06+0.44%GBX 195.40GBX 194.2020.65 million shs£1.13 billion09/04/2025GBX 195.60GBX 194.20-0.72%GBX 196.80GBX 192.801.69 million shs£1.12 billion09/03/2025GBX 195.60GBX 195.60GBX 196.40GBX 195.60705,965 shs£1.13 billion09/02/2025GBX 195.40GBX 195.60+0.10%GBX 196.80GBX 195.604.08 million shs£1.13 billion09/01/2025GBX 195.60GBX 195.40-0.10%GBX 196.20GBX 195.20742,406 shs£1.13 billion Get the Latest News and Ratings for SPT and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Spirent Communications and its competitors with MarketBeat's FREE daily newsletter. 08/29/2025GBX 196.40GBX 195.60-0.41%GBX 197GBX 195.601.11 million shs£1.40 billion08/28/2025GBX 196.80GBX 196.40-0.20%GBX 197GBX 196.40589,301 shs£1.41 billion08/27/2025GBX 197.40GBX 196.80-0.30%GBX 197.60GBX 196.401.17 million shs£1.41 billion08/26/2025GBX 196.60GBX 197.40+0.41%GBX 197.60GBX 196.40979,983 shs£1.42 billion08/25/2025GBX 196.60GBX 196.60GBX 196.80GBX 1963.45 million shs£1.41 billion08/22/2025GBX 196.27GBX 196.60+0.17%GBX 196.80GBX 1963.45 million shs£1.41 billion08/21/2025GBX 195.72GBX 196.27+0.28%GBX 196.60GBX 19510.32 million shs£1.41 billion08/20/2025GBX 196.60GBX 195.72-0.45%GBX 196.80GBX 194.801.20 million shs£1.40 billion08/19/2025GBX 196.40GBX 196.60+0.10%GBX 197.40GBX 196744,633 shs£1.41 billion08/18/2025GBX 196.20GBX 196.40+0.10%GBX 196.60GBX 195.60393,141 shs£1.41 billion08/15/2025GBX 196.20GBX 196.20GBX 197.20GBX 195.602.44 million shs£1.41 billion08/14/2025GBX 195.60GBX 196.20+0.30%GBX 196.60GBX 195.40503,884 shs£1.41 billion08/13/2025GBX 194GBX 195.60+0.82%GBX 197GBX 193.40865,644 shs£1.40 billion08/12/2025GBX 194.39GBX 194-0.20%GBX 194.80GBX 194383,594 shs£1.39 billion Related Companies PSN Stock Price Chart BLND Stock Price Chart TEM Stock Price Chart VTY Stock Price Chart DOCS Stock Price Chart GEN Stock Price Chart WIX Stock Price Chart YOU Stock Price Chart SST Stock Price Chart SRAD Stock Price Chart Receive SPT 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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