Onex (ONEX) Stock Chart & Stock Price History C$119.06 -2.55 (-2.10%) As of 04:00 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsEarningsHeadlinesBuy This Stock Onex Stock Price Performance The Onex (ONEX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 20.86%, with a year-to-date return of 6.04%. In the past month, the stock has decreased 1.20%, reflecting recent market activity. As of the latest close, Onex traded at C$121.61 with a market cap of C$8.31 billion and volume of 71,287 shares. Five years ago, the stock traded at C$61.15, representing a 94.70% increase over that period. At the time, it had a market cap of C$5.92 billion and a volume of 118,709 shares. Receive ONEX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Onex 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-3.01%1 Month Performance-1.20%3 Month Performance+5.70%Year-To-Date Performance+6.04%1 Year Performance+20.86%5 Year Performance+94.70% ONEX Stock Chart for Thursday, October, 9, 2025 ONEX Chart by TradingView Onex 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 Capitalization10/08/2025C$121.08C$121.61+0.44%C$121.75C$119.9871,287 shsC$8.31 billion10/07/2025C$121.27C$121.08-0.16%C$121.39C$120.1382,467 shsC$8.31 billion10/06/2025C$122.76C$121.27-1.21%C$123.21C$121.0138,678 shsC$8.32 billion10/03/2025C$121.56C$122.76+0.99%C$123.60C$122.0753,482 shsC$8.42 billion10/02/2025C$120.57C$121.56+0.82%C$122.99C$120.5364,045 shsC$8.34 billion10/01/2025C$123.49C$120.57-2.36%C$123.48C$120.0168,228 shsC$8.27 billion09/30/2025C$124.42C$123.49-0.75%C$125.16C$122.19108,091 shsC$8.47 billion09/29/2025C$123.14C$124.42+1.04%C$125.61C$123.5942,109 shsC$8.54 billion09/26/2025C$121.88C$123.14+1.03%C$123.52C$122.0176,991 shsC$8.45 billion09/25/2025C$122.63C$121.88-0.61%C$124.71C$120.7561,784 shsC$8.36 billion Get the Latest News and Ratings for ONEX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Onex and its competitors with MarketBeat's FREE daily newsletter. 09/24/2025C$122.74C$122.63-0.09%C$123.80C$121.9255,266 shsC$8.41 billion09/23/2025C$123.82C$122.74-0.87%C$124.35C$122.4654,218 shsC$8.42 billion09/22/2025C$123.29C$123.82+0.43%C$123.84C$121.0086,391 shsC$8.49 billion09/19/2025C$123.35C$123.29-0.05%C$124.23C$122.53321,820 shsC$8.46 billion09/18/2025C$122.35C$123.35+0.82%C$124.00C$122.2638,195 shsC$8.46 billion09/17/2025C$123.85C$122.35-1.21%C$124.68C$122.1457,510 shsC$8.39 billion09/16/2025C$125.78C$123.85-1.53%C$126.51C$123.4453,265 shsC$8.50 billion09/15/2025C$124.33C$125.78+1.17%C$125.99C$124.5859,881 shsC$8.63 billion09/12/2025C$123.75C$124.33+0.47%C$124.84C$121.3068,112 shsC$8.53 billion09/11/2025C$122.08C$123.75+1.37%C$124.73C$120.7675,046 shsC$8.49 billion09/10/2025C$120.50C$122.08+1.31%C$122.95C$120.7756,816 shsC$8.38 billion09/09/2025C$121.53C$120.50-0.85%C$122.06C$120.2269,677 shsC$8.27 billion09/08/2025C$119.64C$121.53+1.58%C$121.87C$118.54111,677 shsC$8.34 billion Related Companies IGM Stock Price Chart CIX Stock Price Chart SII Stock Price Chart FIH.U Stock Price Chart GCG.A Stock Price Chart UNC Stock Price Chart GCG Stock Price Chart CVG Stock Price Chart LBS Stock Price Chart CGI Stock Price Chart Receive ONEX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Onex and its competitors with MarketBeat's FREE daily newsletter. 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