Alpha and Omega Semiconductor (AOSL) Stock Chart & Stock Price History $27.64 -0.40 (-1.43%) Closing price 07/11/2025 04:00 PM EasternExtended Trading$27.65 +0.01 (+0.04%) As of 07/11/2025 06:00 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 ForecastsChartCompetitorsEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Alpha and Omega Semiconductor Stock Price Performance The Alpha and Omega Semiconductor (AOSL) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 34.67%, with a year-to-date return of -25.36%. In the past month, the stock has increased 21.82%, reflecting recent market activity. As of the latest close, Alpha and Omega Semiconductor traded at $27.64 with a market cap of $813.03 million and volume of 289,773 shares. Five years ago, the stock traded at $10.33, representing a 167.57% increase over that period. At the time, it had a market cap of $264.34 million and a volume of 91,354 shares. Receive AOSL Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Alpha and Omega Semiconductor and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-1.18%1 Month Performance+21.82%3 Month Performance+46.09%Year-To-Date Performance-25.36%1 Year Performance-34.67%5 Year Performance+167.57% AOSL Stock Chart for Sunday, July, 13, 2025 AOSL Chart by TradingView Alpha and Omega Semiconductor 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 Capitalization07/11/2025$28.04$27.64-1.43%$28.44$27.26289,773 shs$813.03 million07/10/2025$27.61$28.04+1.56%$28.90$27.51236,666 shs$824.94 million07/09/2025$27.97$27.61-1.29%$28.46$27.10218,073 shs$812.29 million07/08/2025$26.57$27.97+5.27%$28.44$26.92235,855 shs$822.74 million07/07/2025$27.81$26.57-4.44%$27.66$26.41177,645 shs$781.69 million07/04/2025$27.81$27.81$28.22$27.50104,447 shs$817.88 million07/03/2025$27.71$27.81+0.34%$28.22$27.50104,447 shs$818.02 million07/02/2025$26.55$27.71+4.37%$27.78$26.64224,941 shs$815.23 million07/01/2025$25.66$26.55+3.47%$26.93$25.01238,990 shs$781.10 million06/30/2025$25.71$25.66-0.19%$26.72$25.13272,174 shs$754.92 million Get the Latest News and Ratings for AOSL and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Alpha and Omega Semiconductor and its competitors with MarketBeat's FREE daily newsletter. 06/27/2025$25.80$25.71-0.35%$26.15$25.14471,498 shs$756.39 million06/26/2025$25.37$25.80+1.69%$25.97$25.29273,775 shs$759.04 million06/25/2025$25.41$25.37-0.16%$25.76$24.75228,344 shs$746.26 million06/24/2025$24.39$25.41+4.18%$25.63$24.69280,779 shs$747.56 million06/23/2025$24.12$24.39+1.12%$24.45$23.54186,878 shs$717.55 million06/20/2025$24.40$24.12-1.15%$24.70$23.72629,696 shs$709.49 million06/19/2025$24.40$24.40$24.87$23.83224,743 shs$717.85 million06/18/2025$23.80$24.40+2.52%$24.87$23.83224,743 shs$717.85 million06/17/2025$23.68$23.80+0.51%$24.29$22.79220,282 shs$700.08 million06/16/2025$22.69$23.68+4.36%$24.23$22.89333,315 shs$696.55 million06/13/2025$24.80$22.69-8.51%$24.28$22.65383,350 shs$667.43 million06/12/2025$25.08$24.80-1.12%$25.09$24.22232,379 shs$729.49 million Related Companies Advanced Energy Industries Stock Price Chart Applied Materials Stock Price Chart Amkor Technology Stock Price Chart Diodes Stock Price Chart Lam Research Stock Price Chart Microchip Technology Stock Price Chart MKS Stock Price Chart NXP Semiconductors Stock Price Chart Power Integrations Stock Price Chart Ultra Clean Stock Price Chart Receive AOSL Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Alpha and Omega Semiconductor and its competitors with MarketBeat's FREE daily newsletter. 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