A. O. Smith (AOS) Stock Chart & Stock Price History $72.18 -0.34 (-0.47%) Closing price 08/15/2025 03:59 PM EasternExtended Trading$72.21 +0.03 (+0.04%) As of 08/15/2025 04:20 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 A. O. Smith Stock Price Performance The A. O. Smith (AOS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 9.38%, with a year-to-date return of 5.82%. In the past month, the stock has increased 6.06%, reflecting recent market activity. As of the latest close, A. O. Smith traded at $72.18 with a market cap of $10.11 billion and volume of 1.25 million shares. Five years ago, the stock traded at $49.76, representing a 45.06% increase over that period. At the time, it had a market cap of $7.91 billion and a volume of 758,963 shares. Receive AOS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for A. O. Smith and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+2.31%1 Month Performance+6.06%3 Month Performance+2.37%Year-To-Date Performance+5.82%1 Year Performance-9.38%5 Year Performance+45.06% AOS Stock Chart for Saturday, August, 16, 2025 AOS Chart by TradingView A. O. Smith 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 Capitalization08/15/2025$72.57$72.18-0.53%$72.73$71.881.25 million shs$10.11 billion08/14/2025$73.66$72.57-1.49%$73.18$72.21908,747 shs$10.17 billion08/13/2025$71.38$73.66+3.20%$73.81$71.301.25 million shs$10.32 billion08/12/2025$70.55$71.38+1.17%$71.42$70.35946,079 shs$10.00 billion08/11/2025$70.79$70.55-0.34%$71.13$69.531.10 million shs$9.89 billion08/08/2025$70.62$70.79+0.25%$70.93$70.281.36 million shs$9.92 billion08/07/2025$70.56$70.62+0.08%$71.57$70.38861,200 shs$9.90 billion08/06/2025$70.32$70.56+0.35%$71.26$70.361.02 million shs$9.89 billion08/05/2025$70.34$70.32-0.03%$70.82$69.741.13 million shs$9.85 billion08/04/2025$70.41$70.34-0.11%$70.59$69.891.11 million shs$9.86 billion Get the Latest News and Ratings for AOS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for A. O. Smith and its competitors with MarketBeat's FREE daily newsletter. 08/01/2025$70.80$70.41-0.56%$70.79$69.551.26 million shs$10.01 billion07/31/2025$70.82$70.80-0.02%$71.14$69.892.46 million shs$10.06 billion07/30/2025$71.66$70.82-1.17%$71.68$70.321.45 million shs$10.06 billion07/29/2025$71.04$71.66+0.87%$71.72$70.701.38 million shs$10.18 billion07/28/2025$72.06$71.04-1.42%$71.93$70.871.40 million shs$10.10 billion07/25/2025$74.00$72.06-2.62%$74.38$71.491.92 million shs$10.24 billion07/24/2025$71.37$74.00+3.69%$77.31$72.554.19 million shs$10.52 billion07/23/2025$71.11$71.37+0.36%$72.07$71.191.82 million shs$10.14 billion07/22/2025$69.06$71.11+2.97%$71.15$69.021.67 million shs$10.11 billion07/21/2025$70.22$69.06-1.65%$70.73$69.031.76 million shs$9.81 billion07/18/2025$70.68$70.22-0.65%$71.05$69.902.49 million shs$9.98 billion07/17/2025$68.06$70.68+3.86%$70.80$68.212.21 million shs$10.04 billion07/16/2025$67.23$68.06+1.23%$68.09$66.791.71 million shs$9.67 billion07/15/2025$68.86$67.23-2.36%$69.43$67.131.20 million shs$9.55 billion07/14/2025$69.11$68.86-0.37%$69.14$68.22864,643 shs$9.78 billion Related Companies AIT Stock Chart ALG Stock Chart ALLE Stock Chart AZZ Stock Chart ENS Stock Chart FLS Stock Chart GGG Stock Chart GWW Stock Chart IEX Stock Chart IR Stock Chart Receive AOS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for A. O. Smith and its competitors with MarketBeat's FREE daily newsletter. This page (NYSE:AOS) was last updated on 8/16/2025 by MarketBeat.com Staff From Our PartnersGENIUS Act: Cancel Your Money?A new law called the GENIUS Act could quietly trigger the most radical shift in American finance in decades. B...Priority Gold | SponsoredGenerate up to $5,000/month with 10X less money?The secret to retiring without a million-dollar nest egg. 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