Gatekeeper Systems (GSI) Stock Chart & Stock Price History C$2.82 -0.04 (-1.40%) As of 03:59 PM Eastern Add Compare Share Share Chart Stock AnalysisChartHeadlinesBuy This Stock Gatekeeper Systems Stock Price Performance The Gatekeeper Systems (GSI) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 340.63%, with a year-to-date return of 394.74%. In the past month, the stock has increased 53.26%, reflecting recent market activity. As of the latest close, Gatekeeper Systems traded at C$2.86 with a market cap of C$297.04 million and volume of 548,240 shares. Five years ago, the stock traded at C$0.84, representing a 235.71% increase over that period. At the time, it had a market cap of C$20.87 million and a volume of 17,219 shares. Receive GSI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Gatekeeper 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-0.70%1 Month Performance+53.26%3 Month Performance+108.89%Year-To-Date Performance+394.74%1 Year Performance+340.63%5 Year Performance+235.71% GSI Stock Chart for Wednesday, October, 15, 2025 GSI Chart by TradingView Gatekeeper 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 Capitalization10/15/2025C$2.86C$2.82-1.40%C$2.95C$2.77294,148 shsC$292.89 million10/14/2025C$2.84C$2.86+0.70%C$2.96C$2.70548,240 shsC$297.04 million10/13/2025C$2.84C$2.84C$3.06C$2.77734,068 shsC$294.96 million10/10/2025C$2.99C$2.84-5.02%C$3.06C$2.77734,068 shsC$294.96 million10/09/2025C$3.05C$2.99-1.97%C$3.06C$2.93569,992 shsC$310.54 million10/08/2025C$2.92C$3.05+4.45%C$3.08C$2.82742,157 shsC$316.77 million10/07/2025C$2.42C$2.92+20.66%C$3.14C$2.651.19 million shsC$303.27 million10/06/2025C$2.44C$2.42-0.82%C$2.60C$2.42334,490 shsC$251.34 million10/03/2025C$2.33C$2.44+4.95%C$2.55C$2.32712,433 shsC$253.42 million10/02/2025C$2.38C$2.33-2.31%C$2.40C$2.29434,596 shsC$241.48 million Get the Latest News and Ratings for GSI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Gatekeeper Systems and its competitors with MarketBeat's FREE daily newsletter. 10/01/2025C$2.10C$2.38+13.33%C$2.38C$2.11745,302 shsC$247.19 million09/30/2025C$1.89C$2.10+11.11%C$2.32C$1.931.87 million shsC$218.11 million09/29/2025C$1.90C$1.89-0.53%C$1.98C$1.87261,337 shsC$196.30 million09/26/2025C$1.89C$1.90+0.53%C$1.95C$1.88182,454 shsC$197.33 million09/25/2025C$1.85C$1.89+2.16%C$1.95C$1.79522,739 shsC$196.30 million09/24/2025C$1.85C$1.85C$1.86C$1.79348,170 shsC$192.14 million09/23/2025C$1.98C$1.85-6.57%C$2.00C$1.82377,024 shsC$192.14 million09/22/2025C$1.87C$1.98+5.88%C$2.02C$1.85859,961 shsC$205.64 million09/19/2025C$1.77C$1.87+5.65%C$1.88C$1.77668,944 shsC$194.22 million09/18/2025C$1.74C$1.77+1.72%C$1.80C$1.73216,728 shsC$183.83 million09/17/2025C$1.75C$1.74-0.57%C$1.78C$1.72259,588 shsC$180.72 million09/16/2025C$1.84C$1.75-4.89%C$1.85C$1.72331,733 shsC$181.76 million09/15/2025C$1.89C$1.84-2.65%C$1.90C$1.82169,896 shsC$191.10 million Related Companies ZDC Stock Chart XX Stock Chart PTE Stock Chart MAL Stock Chart BDI Stock Chart ADEN Stock Chart DBM Stock Chart AFN Stock Chart ALC Stock Chart GDI Stock Chart Receive GSI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Gatekeeper Systems and its competitors with MarketBeat's FREE daily newsletter. 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