Hydro One (H) Stock Chart & Stock Price History C$49.18 +0.32 (+0.65%) As of 04:00 PM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsHeadlinesBuy This Stock Hydro One Stock Price Performance The Hydro One (H) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 5.97%, with a year-to-date return of 11.09%. In the past month, the stock has decreased 2.90%, reflecting recent market activity. As of the latest close, Hydro One traded at C$48.86 with a market cap of C$29.31 billion and volume of 843,986 shares. Five years ago, the stock traded at C$27.67, representing a 77.74% increase over that period. At the time, it had a market cap of C$16.53 billion and a volume of 452,759 shares. Receive H Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Hydro One 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+1.91%1 Month Performance-2.90%3 Month Performance+0.06%Year-To-Date Performance+11.09%1 Year Performance+5.97%5 Year Performance+77.74% H Stock Chart for Tuesday, September, 23, 2025 H Chart by TradingView Hydro One 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 Capitalization09/22/2025C$48.88C$48.86-0.04%C$49.24C$48.69843,986 shsC$29.31 billion09/19/2025C$48.26C$48.88+1.28%C$49.04C$48.422.46 million shsC$29.32 billion09/18/2025C$48.49C$48.26-0.47%C$48.69C$48.22895,415 shsC$28.95 billion09/17/2025C$48.46C$48.49+0.06%C$48.90C$48.45555,417 shsC$29.08 billion09/16/2025C$48.87C$48.46-0.84%C$48.86C$48.361.04 million shsC$29.07 billion09/15/2025C$49.28C$48.87-0.83%C$49.24C$48.651.10 million shsC$29.31 billion09/12/2025C$49.02C$49.28+0.53%C$49.37C$48.91523,814 shsC$29.56 billion09/11/2025C$48.97C$49.02+0.10%C$49.12C$48.872.67 million shsC$29.40 billion09/10/2025C$49.59C$48.97-1.25%C$49.19C$48.712.90 million shsC$29.37 billion09/09/2025C$49.48C$49.59+0.22%C$49.82C$49.312.61 million shsC$29.74 billion Get the Latest News and Ratings for H and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Hydro One and its competitors with MarketBeat's FREE daily newsletter. 09/08/2025C$49.99C$49.48-1.02%C$50.03C$49.423.53 million shsC$29.68 billion09/05/2025C$49.92C$49.99+0.14%C$50.16C$49.831.07 million shsC$29.98 billion09/04/2025C$49.84C$49.92+0.16%C$50.22C$49.66647,993 shsC$29.94 billion09/03/2025C$49.71C$49.84+0.26%C$49.96C$49.40702,165 shsC$29.89 billion09/02/2025C$50.01C$49.71-0.60%C$50.00C$49.43738,197 shsC$29.81 billion09/01/2025C$50.01C$50.01C$50.23C$49.72751,315 shsC$29.99 billion08/29/2025C$49.93C$50.01+0.16%C$50.23C$49.72751,315 shsC$29.98 billion08/28/2025C$50.38C$49.93-0.89%C$50.29C$49.73495,621 shsC$29.94 billion08/27/2025C$50.36C$50.38+0.04%C$50.70C$50.121.11 million shsC$30.21 billion08/26/2025C$50.57C$50.36-0.42%C$50.61C$49.981.99 million shsC$30.19 billion08/25/2025C$50.65C$50.57-0.16%C$50.65C$50.31547,910 shsC$30.32 billion08/22/2025C$51.00C$50.65-0.69%C$51.31C$50.42735,613 shsC$30.37 billion Related Companies Restaurant Brands International Stock Price Chart Boyd Group Services Stock Price Chart MTY Food Group Stock Price Chart Computer Modelling Group Stock Price Chart Theratechnologies Stock Price Chart Maple Gold Mines Stock Price Chart Fortis Stock Price Chart Emera Stock Price Chart Caribbean Utilities Stock Price Chart Brookfield Infrastructure Partners Stock Price Chart Receive H Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Hydro One and its competitors with MarketBeat's FREE daily newsletter. 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