Amtech Systems (ASYS) Stock Chart & Stock Price History $9.17 +0.27 (+3.03%) Closing price 10/3/2025 04:00 PM EasternExtended Trading$9.34 +0.17 (+1.80%) As of 10/3/2025 07:42 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 ForecastsChartCompetitorsEarningsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Amtech Systems Stock Price Performance The Amtech Systems (ASYS) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 57.29%, with a year-to-date return of 68.26%. In the past month, the stock has increased 42.83%, reflecting recent market activity. As of the latest close, Amtech Systems traded at $9.17 with a market cap of $131.26 million and volume of 278,019 shares. Five years ago, the stock traded at $5.45, representing a 68.26% increase over that period. At the time, it had a market cap of $76.56 million and a volume of 26,349 shares. Receive ASYS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Amtech Systems and its competitors with MarketBeat's FREE daily newsletter. Subscribe Now View SMS TermsBy entering your phone number and clicking the sign-up button, you agree to receive periodic text messages from MarketBeat at the phone number you submitted, including texts that may be sent using an automatic telephone dialing system. Message and data rates may apply. Message frequency will vary. Messages will consist of stock alerts, news stories, and partner advertisements/offers. Consent is not a condition of the purchase of any goods or services. Text HELP for help/customer support. 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Read our full terms of service and privacy policy. 5 Day Performance-0.97%1 Month Performance+42.83%3 Month Performance+101.54%Year-To-Date Performance+68.26%1 Year Performance+57.29%5 Year Performance+68.26% ASYS Stock Chart for Sunday, October, 5, 2025 ASYS Chart by TradingView Amtech Systems 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 Capitalization10/03/2025$8.90$9.17+3.03%$9.50$8.94278,019 shs$131.26 million10/02/2025$9.68$8.90-8.06%$9.91$8.28669,679 shs$127.36 million10/01/2025$9.26$9.68+4.54%$10.09$9.10502,137 shs$138.52 million09/30/2025$9.24$9.26+0.22%$9.47$9.01134,528 shs$132.55 million09/29/2025$9.44$9.24-2.12%$9.61$9.20188,214 shs$132.22 million09/26/2025$8.97$9.44+5.24%$9.47$8.86320,549 shs$135.09 million09/25/2025$9.04$8.97-0.77%$9.23$8.75210,071 shs$128.36 million09/24/2025$9.65$9.04-6.32%$10.06$9.04248,302 shs$129.40 million09/23/2025$8.93$9.65+8.06%$10.25$8.81521,288 shs$138.09 million09/22/2025$9.04$8.93-1.22%$9.40$8.75325,646 shs$127.79 million Get the Latest News and Ratings for ASYS and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Amtech Systems and its competitors with MarketBeat's FREE daily newsletter. 09/19/2025$9.50$9.04-4.84%$9.70$9.00306,409 shs$129.36 million09/18/2025$8.74$9.50+8.70%$9.70$8.91450,122 shs$135.98 million09/17/2025$9.30$8.74-6.02%$9.40$8.41458,067 shs$125.07 million09/16/2025$9.28$9.30+0.22%$9.40$9.03251,282 shs$133.08 million09/15/2025$9.24$9.28+0.43%$9.61$8.74461,955 shs$132.83 million09/12/2025$8.80$9.24+5.00%$9.50$8.80503,792 shs$132.26 million09/11/2025$8.07$8.80+9.05%$9.28$8.15957,065 shs$125.93 million09/10/2025$7.94$8.07+1.64%$8.24$7.87303,234 shs$115.48 million09/09/2025$7.93$7.94+0.13%$8.30$7.77468,852 shs$113.65 million09/08/2025$6.42$7.93+23.52%$8.00$6.361.94 million shs$113.48 million09/05/2025$6.41$6.42+0.16%$6.68$6.18232,620 shs$91.87 million09/04/2025$5.80$6.41+10.52%$6.44$5.63136,061 shs$91.73 million Related Companies A2Z Cust2Mate Solutions Stock Price Chart Palladyne AI Stock Price Chart AirJoule Technologies Stock Price Chart Gencor Industries Stock Price Chart OMS Energy Technologies Stock Price Chart Perma-Pipe International Stock Price Chart Taylor Devices Stock Price Chart Fuel Tech Stock Price Chart Leishen Energy Stock Price Chart Drilling Tools International Stock Price Chart Receive ASYS Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Amtech Systems and its competitors with MarketBeat's FREE daily newsletter. 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