AON (AON) Stock Chart & Stock Price History $379.04 -5.30 (-1.38%) Closing price 04/15/2025 03:59 PM EasternExtended Trading$379.10 +0.06 (+0.02%) As of 04/15/2025 06:33 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock AON Stock Price Performance 5 Day Performance+1.01%1 Month Performance-5.08%3 Month Performance+2.93%6 Month Performance+5.73%Year-To-Date Performance+5.53%1 Year Performance+24.65% Receive AON Stock News and Ratings via EmailSign-up to receive the latest news and ratings for AON and its competitors with MarketBeat's FREE daily newsletter. Email Address AON Stock Chart for Wednesday, April, 16, 2025 AON Chart by TradingViewRemove Ads AON Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/15/2025$384.15$379.04-1.33%$386.45$378.86845,424 shs$81.87 billion04/14/2025$375.26$384.15+2.37%$387.69$378.051.54 million shs$82.98 billion04/11/2025$368.27$375.26+1.90%$377.20$365.341.76 million shs$81.06 billion04/10/2025$373.79$368.27-1.48%$373.94$362.791.43 million shs$79.55 billion04/09/2025$359.41$373.79+4.00%$374.77$351.362.95 million shs$80.74 billion04/09/2025$359.41$373.79+4.00%$374.77$351.362.95 million shs$80.74 billion04/08/2025$364.15$359.41-1.30%$376.39$355.201.95 million shs$77.63 billion04/08/2025$364.15$359.41-1.30%$376.39$355.201.95 million shs$77.63 billion04/07/2025$375.94$364.15-3.14%$375.96$358.501.86 million shs$78.66 billion04/04/2025$394.41$375.94-4.68%$395.75$373.772.39 million shs$81.20 billion Get the Latest News and Ratings for AON and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AON and its competitors with MarketBeat's FREE daily newsletter. 04/03/2025$396.11$394.41-0.43%$400.59$391.381.22 million shs$85.19 billion04/02/2025$398.95$396.11-0.71%$397.88$390.231.01 million shs$85.56 billion04/01/2025$398.63$398.95+0.08%$401.03$395.70765,195 shs$86.17 billion03/31/2025$394.22$398.63+1.12%$401.00$394.241.34 million shs$86.10 billion03/28/2025$398.67$394.22-1.12%$402.49$393.851.14 million shs$85.15 billion03/27/2025$396.29$398.67+0.60%$400.07$395.421.53 million shs$86.11 billion03/26/2025$396.03$396.29+0.06%$399.43$394.77884,094 shs$85.60 billion03/25/2025$393.28$396.03+0.70%$398.55$392.55839,229 shs$85.54 billion03/24/2025$390.02$393.28+0.84%$394.85$391.051.14 million shs$84.95 billion03/21/2025$393.10$390.02-0.78%$395.00$388.941.36 million shs$84.24 billion03/20/2025$390.70$393.10+0.61%$395.35$388.74855,329 shs$84.91 billion03/19/2025$389.79$390.70+0.23%$391.83$387.80933,303 shs$84.39 billion03/18/2025$390.90$389.79-0.28%$391.98$387.701.58 million shs$84.19 billion03/17/2025$399.34$390.90-2.12%$398.00$387.161.83 million shs$84.43 billion Related Companies MMC Stock Price Chart AJG Stock Price Chart BRO Stock Price Chart EHTH Stock Price Chart WTW Stock Price Chart RYAN Stock Price Chart ERIE Stock Price Chart EQH Stock Price Chart CRVL Stock Price Chart BRP Stock Price Chart Receive AON Stock News and Ratings via EmailSign-up to receive the latest news and ratings for AON and its competitors with MarketBeat's FREE daily newsletter. 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