CGI (GIB.A) Stock Chart & Stock Price History C$127.54 -1.46 (-1.13%) As of 03:37 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendHeadlinesBuy This Stock CGI Stock Price Performance The CGI (GIB.A) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 18.21%, with a year-to-date return of -18.91%. In the past month, the stock has decreased 1.73%, reflecting recent market activity. As of the latest close, CGI traded at C$129.00 with a market cap of C$28.76 billion and volume of 384,311 shares. Five years ago, the stock traded at C$89.38, representing a 42.69% increase over that period. At the time, it had a market cap of C$23.18 billion and a volume of 418,805 shares. Receive GIB.A Stock News and Ratings via EmailSign-up to receive the latest news and ratings for CGI 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-1.36%1 Month Performance-1.73%3 Month Performance-13.27%Year-To-Date Performance-18.91%1 Year Performance-18.21%5 Year Performance+42.69% GIB.A Stock Chart for Wednesday, September, 17, 2025 GIB.A Chart by TradingView CGI 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 Capitalization09/16/2025C$128.26C$129.00+0.58%C$129.30C$127.69384,311 shsC$28.76 billion09/15/2025C$129.30C$128.26-0.80%C$129.74C$127.53356,452 shsC$28.59 billion09/12/2025C$130.35C$129.30-0.81%C$130.47C$129.25312,983 shsC$28.82 billion09/11/2025C$128.67C$130.35+1.31%C$130.37C$127.73440,171 shsC$29.06 billion09/10/2025C$132.51C$128.67-2.90%C$132.83C$128.40668,651 shsC$28.68 billion09/09/2025C$133.40C$132.51-0.67%C$133.57C$132.27417,171 shsC$29.54 billion09/08/2025C$133.93C$133.40-0.40%C$134.25C$132.56375,286 shsC$29.74 billion09/05/2025C$131.83C$133.93+1.59%C$134.74C$132.29259,808 shsC$29.86 billion09/04/2025C$133.13C$131.83-0.98%C$134.00C$131.72288,188 shsC$29.39 billion09/03/2025C$133.39C$133.13-0.19%C$133.84C$132.59339,631 shsC$29.68 billion Get the Latest News and Ratings for GIB.A and Related StocksEnter your email address below to receive the latest news and analysts' ratings for CGI and its competitors with MarketBeat's FREE daily newsletter. 09/02/2025C$133.36C$133.39+0.02%C$133.47C$131.73394,326 shsC$29.74 billion09/01/2025C$133.36C$133.36C$133.56C$131.79321,086 shsC$29.73 billion08/29/2025C$132.67C$133.36+0.52%C$133.56C$131.79321,086 shsC$27.18 billion08/28/2025C$133.14C$132.67-0.35%C$133.40C$132.45367,321 shsC$27.04 billion08/27/2025C$131.63C$133.14+1.15%C$133.24C$131.50399,680 shsC$27.13 billion08/26/2025C$132.75C$131.63-0.84%C$133.23C$131.53934,052 shsC$26.82 billion08/25/2025C$134.08C$132.75-0.99%C$134.46C$131.53428,918 shsC$27.05 billion08/22/2025C$131.83C$134.08+1.71%C$134.87C$131.70502,451 shsC$27.32 billion08/21/2025C$131.36C$131.83+0.36%C$131.85C$130.23264,970 shsC$26.87 billion08/20/2025C$131.92C$131.36-0.42%C$132.63C$130.95386,672 shsC$26.77 billion08/19/2025C$129.93C$131.92+1.53%C$132.03C$130.19440,390 shsC$26.88 billion08/18/2025C$129.79C$129.93+0.11%C$130.61C$129.45349,346 shsC$26.48 billion Related Companies Waste Connections Stock Chart Cameco Stock Chart RB Global Stock Chart GFL Environmental Stock Chart Stantec Stock Chart Quebecor Stock Chart Quebecor Stock Chart MEG Energy Stock Chart Stella-Jones Stock Chart Labrador Iron Ore Royalty Stock Chart Receive GIB.A Stock News and Ratings via EmailSign-up to receive the latest news and ratings for CGI and its competitors with MarketBeat's FREE daily newsletter. 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