Hydro One (HRNNF) Stock Chart & Stock Price History $37.20 +0.85 (+2.34%) As of 09:42 AM Eastern Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartHeadlinesSEC FilingsShort InterestBuy This Stock Hydro One Stock Price Performance The Hydro One (HRNNF) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 17.09%, with a year-to-date return of 21.69%. In the past month, the stock has increased 3.99%, reflecting recent market activity. As of the latest close, Hydro One traded at $36.35 with a market cap of and volume of 116 shares. Five years ago, the stock traded at $20.64, representing a 80.23% increase over that period. At the time, it had a market cap of and a volume of 29,977 shares. Receive HRNNF 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. Email Address 5 Day Performance+3.82%1 Month Performance+3.99%3 Month Performance-1.76%Year-To-Date Performance+21.69%1 Year Performance+17.09%5 Year Performance+80.23% HRNNF Stock Chart for Friday, August, 8, 2025 HRNNF 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 Capitalization08/07/2025$36.35$36.35$36.35$36.35116 shs$0.0008/06/2025$36.20$36.35+0.41%$36.35$36.35116 shs$0.0008/05/2025$35.83$36.20+1.03%$36.20$36.201,383 shs$0.0008/04/2025$35.83$35.83$35.91$35.83755 shs$0.0008/01/2025$35.38$35.83+1.27%$35.91$35.83755 shs$0.0007/31/2025$35.66$35.38-0.79%$35.40$35.38601 shs$0.0007/30/2025$35.64$35.66+0.06%$35.66$35.66222 shs$0.0007/29/2025$35.34$35.64+0.85%$35.66$35.6221,907 shs$0.0007/28/2025$35.53$35.34-0.53%$35.34$35.3425,443 shs$0.0007/25/2025$35.82$35.53-0.81%$35.53$35.536,009 shs$0.00 Get the Latest News and Ratings for HRNNF 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. 07/24/2025$35.82$35.82$35.82$35.81281 shs$0.0007/23/2025$35.86$35.82-0.11%$35.82$35.81281 shs$0.0007/22/2025$35.08$35.86+2.22%$35.86$33.56342 shs$0.0007/21/2025$34.85$35.08+0.66%$35.08$35.081,054 shs$0.0007/18/2025$34.85$34.85$35.45$34.851,161 shs$0.0007/17/2025$35.58$34.85-2.05%$35.45$34.851,161 shs$0.0007/16/2025$35.76$35.58-0.50%$35.98$35.58607 shs$0.0007/15/2025$36.06$35.76-0.83%$35.84$35.75817 shs$0.0007/14/2025$36.06$36.06$36.06$36.063 shs$0.0007/11/2025$36.06$36.06$36.06$36.0532,294 shs$0.0007/10/2025$35.88$36.06+0.50%$36.06$36.0532,294 shs$0.0007/09/2025$35.77$35.88+0.30%$35.88$35.762,730 shs$0.0007/08/2025$36.03$35.77-0.71%$35.81$35.77288 shs$0.0007/07/2025$35.55$36.03+1.34%$36.03$35.91273 shs$0.00 Related Companies BRLXF Stock Chart CDZIP Stock Chart CZAVF Stock Chart CGEI Stock Chart CHNGQ Stock Chart CWEN.A Stock Chart CMNR Stock Chart CIG.C Stock Chart ENAKF Stock Chart ELCPF Stock Chart Receive HRNNF 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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