Symphony Environmental Technologies (SYM) Stock Chart & Stock Price History GBX 7.45 +0.70 (+10.37%) As of 09:53 AM Eastern Add Compare Share Share Chart Stock AnalysisChartCompetitorsEarningsHeadlinesBuy This Stock Symphony Environmental Technologies Stock Price Performance The Symphony Environmental Technologies (SYM) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 88.13%, with a year-to-date return of 150.84%. In the past month, the stock has decreased 28.37%, reflecting recent market activity. As of the latest close, Symphony Environmental Technologies traded at GBX 6.99 with a market cap of £16.52 million and volume of 68,171 shares. Five years ago, the stock traded at GBX 26, representing a 71.35% decrease over that period. At the time, it had a market cap of £45.07 million and a volume of 343,059 shares. 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Read our full terms of service and privacy policy. 5 Day Performance+0.74%1 Month Performance-28.37%3 Month Performance-33.00%Year-To-Date Performance+150.84%1 Year Performance+88.13%5 Year Performance-71.35% SYM Stock Chart for Thursday, October, 9, 2025 SYM Chart by TradingView Symphony Environmental Technologies 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 Capitalization10/08/2025GBX 7GBX 6.99-0.11%GBX 6.99GBX 6.6068,171 shs£16.52 million10/07/2025GBX 7.35GBX 7-4.76%GBX 7.35GBX 71,837 shs£16.54 million10/06/2025GBX 7.40GBX 7.35-0.64%GBX 7.38GBX 6.8368,800 shs£17.37 million10/03/2025GBX 7.40GBX 7.40-0.07%GBX 7.40GBX 6.7069,172 shs£17.48 million10/02/2025GBX 7.24GBX 7.40+2.21%GBX 7.50GBX 7.06137,825 shs£17.49 million10/01/2025GBX 7GBX 7.24+3.43%GBX 7.24GBX 6.65486,851 shs£17.11 million09/30/2025GBX 7GBX 7GBX 7.40GBX 6.60194,120 shs£16.55 million09/29/2025GBX 7.80GBX 7-10.26%GBX 7.50GBX 7223,406 shs£16.55 million09/26/2025GBX 6.99GBX 7.80+11.59%GBX 8GBX 6.70161,968 shs£18.44 million09/25/2025GBX 7.48GBX 6.99-6.55%GBX 7.40GBX 6.65189,015 shs£16.52 million Get the Latest News and Ratings for SYM and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Symphony Environmental Technologies and its competitors with MarketBeat's FREE daily newsletter. 09/24/2025GBX 7.51GBX 7.48-0.40%GBX 7.88GBX 6.65717,973 shs£17.68 million09/23/2025GBX 8.01GBX 7.51-6.24%GBX 8.25GBX 7.50385,575 shs£17.75 million09/22/2025GBX 8.83GBX 8.01-9.29%GBX 8.95GBX 8640,565 shs£18.93 million09/19/2025GBX 8.85GBX 8.83-0.23%GBX 8.85GBX 8.5037,086 shs£20.87 million09/18/2025GBX 9.65GBX 8.85-8.29%GBX 9.60GBX 8.50171,407 shs£20.92 million09/17/2025GBX 9GBX 9.65+7.22%GBX 9.98GBX 998,943 shs£22.81 million09/16/2025GBX 9.75GBX 9-7.69%GBX 10.20GBX 9114,943 shs£21.27 million09/15/2025GBX 9.87GBX 9.75-1.24%GBX 10.30GBX 9.03168,806 shs£23.05 million09/12/2025GBX 9GBX 9.87+9.69%GBX 10.30GBX 9.1581,541 shs£23.33 million09/11/2025GBX 10.40GBX 9-13.46%GBX 10.40GBX 914,948 shs£21.27 million09/10/2025GBX 10.40GBX 10.40GBX 10.40GBX 9.158,966 shs£24.58 million09/09/2025GBX 9.45GBX 10.40+10.05%GBX 10.40GBX 9.1522,338 shs£24.58 million09/08/2025GBX 9.90GBX 9.45-4.55%GBX 9.90GBX 9212,682 shs£22.34 million Related Companies Carr's Group Stock Price Chart DCI Advisors Stock Price Chart Transense Technologies Stock Price Chart Rolls-Royce Holdings plc Stock Price Chart Kainos Group Stock Price Chart Schroder Oriental Income Stock Price Chart Northern Venture Trust Stock Price Chart Robinson Stock Price Chart Coral Products Stock Price Chart Macfarlane Group Stock Price Chart Receive SYM Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Symphony Environmental Technologies and its competitors with MarketBeat's FREE daily newsletter. 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