Tantalus Systems (GRID) Stock Chart & Stock Price History C$3.65 -0.10 (-2.67%) As of 03:56 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsHeadlinesInsider TradesBuy This Stock Tantalus Systems Stock Price Performance The Tantalus Systems (GRID) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 141.72%, with a year-to-date return of 93.12%. In the past month, the stock has increased 17.74%, reflecting recent market activity. As of the latest close, Tantalus Systems traded at C$3.75 with a market cap of C$192.18 million and volume of 148,433 shares. Receive GRID Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Tantalus Systems and its competitors with MarketBeat's FREE daily newsletter. 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Read our full terms of service and privacy policy. 5 Day Performance+7.35%1 Month Performance+17.74%3 Month Performance+8.96%Year-To-Date Performance+93.12%1 Year Performance+141.72% GRID Stock Chart for Tuesday, October, 14, 2025 GRID Chart by TradingView Tantalus Systems 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 Capitalization10/13/2025C$3.75C$3.75C$3.79C$3.49148,433 shsC$192.18 million10/10/2025C$3.40C$3.75+10.29%C$3.79C$3.49148,433 shsC$192.18 million10/09/2025C$3.54C$3.40-3.95%C$3.66C$3.3462,978 shsC$174.24 million10/08/2025C$3.53C$3.54+0.28%C$3.55C$3.4537,292 shsC$181.41 million10/07/2025C$3.76C$3.53-6.12%C$3.75C$3.4669,675 shsC$180.90 million10/06/2025C$3.89C$3.76-3.34%C$3.90C$3.6891,160 shsC$192.69 million10/03/2025C$3.79C$3.89+2.64%C$3.89C$3.6868,173 shsC$199.35 million10/02/2025C$3.65C$3.79+3.84%C$3.80C$3.62154,596 shsC$194.23 million10/01/2025C$3.48C$3.65+4.89%C$3.76C$3.44297,682 shsC$187.05 million09/30/2025C$3.50C$3.48-0.57%C$3.55C$3.4076,073 shsC$178.34 million Get the Latest News and Ratings for GRID and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Tantalus Systems and its competitors with MarketBeat's FREE daily newsletter. 09/29/2025C$3.54C$3.50-1.13%C$3.60C$3.45102,850 shsC$179.36 million09/26/2025C$3.30C$3.54+7.27%C$3.54C$3.29539,348 shsC$169.11 million09/25/2025C$3.25C$3.30+1.54%C$3.38C$3.18111,765 shsC$169.12 million09/24/2025C$3.19C$3.25+1.88%C$3.25C$3.1538,524 shsC$166.55 million09/23/2025C$3.22C$3.19-0.93%C$3.22C$3.1753,460 shsC$163.48 million09/22/2025C$3.25C$3.22-0.92%C$3.29C$3.2052,643 shsC$165.02 million09/19/2025C$3.14C$3.25+3.50%C$3.30C$3.1588,016 shsC$166.55 million09/18/2025C$3.20C$3.14-1.88%C$3.23C$3.1437,821 shsC$160.92 million09/17/2025C$3.17C$3.20+0.95%C$3.20C$3.1222,080 shsC$163.99 million09/16/2025C$3.20C$3.17-0.94%C$3.21C$3.0558,355 shsC$162.45 million09/15/2025C$3.10C$3.20+3.23%C$3.23C$3.1576,933 shsC$163.99 million Related Companies Legend Power Systems Stock Chart Eguana Technologies Stock Chart Algoma Central Stock Chart Ag Growth International Stock Chart GDI Integrated Facility Services Stock Chart Diversified Royalty Stock Chart Dexterra Group Stock Chart Zedcor Stock Chart Calian Group Stock Chart Chorus Aviation Stock Chart Receive GRID Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Tantalus Systems and its competitors with MarketBeat's FREE daily newsletter. 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