AmpliTech Group (AMPG) Stock Chart & Stock Price History $2.96 -0.19 (-6.03%) Closing price 08/19/2025 04:00 PM EasternExtended Trading$2.99 +0.03 (+1.01%) As of 08/19/2025 07:51 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 TradesOwnershipSEC FilingsShort InterestTrendsBuy This Stock AmpliTech Group Stock Price Performance The AmpliTech Group (AMPG) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 244.15%, with a year-to-date return of -42.41%. In the past month, the stock has increased 3.50%, reflecting recent market activity. As of the latest close, AmpliTech Group traded at $2.96 with a market cap of $60.90 million and volume of 609,928 shares. Five years ago, the stock traded at $0.08, representing a 3,651.58% increase over that period. At the time, it had a market cap of $0.00 and a volume of 268,765 shares. Receive AMPG Stock News and Ratings via EmailSign-up to receive the latest news and ratings for AmpliTech Group and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance-4.52%1 Month Performance+3.50%3 Month Performance+36.41%Year-To-Date Performance-42.41%1 Year Performance+244.15%5 Year Performance+3,651.58% AMPG Stock Chart for Wednesday, August, 20, 2025 AMPG Chart by TradingView AmpliTech Group 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 Capitalization08/19/2025$3.15$2.96-6.03%$3.30$2.96609,928 shs$60.90 million08/18/2025$3.10$3.15+1.61%$3.19$2.94779,396 shs$64.80 million08/15/2025$3.55$3.10-12.68%$3.60$3.002.13 million shs$63.77 million08/14/2025$3.66$3.55-3.01%$3.60$3.392.68 million shs$73.02 million08/13/2025$3.40$3.66+7.65%$3.72$3.421.36 million shs$75.30 million08/12/2025$3.29$3.40+3.34%$3.66$3.191.26 million shs$69.94 million08/11/2025$2.91$3.29+13.06%$3.29$2.89562,419 shs$67.68 million08/08/2025$2.82$2.91+3.19%$3.00$2.79174,090 shs$59.86 million08/07/2025$2.92$2.82-3.42%$2.90$2.78262,839 shs$58.02 million08/06/2025$2.96$2.92-1.35%$2.98$2.83295,854 shs$60.06 million Get the Latest News and Ratings for AMPG and Related StocksEnter your email address below to receive the latest news and analysts' ratings for AmpliTech Group and its competitors with MarketBeat's FREE daily newsletter. 08/05/2025$3.07$2.96-3.58%$3.19$2.91310,550 shs$60.89 million08/04/2025$2.85$3.07+7.72%$3.13$2.80553,721 shs$63.16 million08/01/2025$2.95$2.85-3.39%$2.89$2.55640,113 shs$58.62 million07/31/2025$3.02$2.95-2.32%$3.09$2.90399,912 shs$60.69 million07/30/2025$3.12$3.02-3.21%$3.20$2.91459,317 shs$62.12 million07/29/2025$3.19$3.12-2.19%$3.35$3.06508,433 shs$64.18 million07/28/2025$3.07$3.19+3.91%$3.40$3.00809,000 shs$65.63 million07/25/2025$3.16$3.07-2.85%$3.22$2.97425,250 shs$63.16 million07/24/2025$2.69$3.16+17.47%$3.20$2.711.17 million shs$65.00 million07/23/2025$2.79$2.69-3.58%$2.78$2.61360,150 shs$55.33 million07/22/2025$2.93$2.79-4.78%$2.97$2.76401,424 shs$57.40 million07/21/2025$2.86$2.93+2.45%$3.03$2.83607,347 shs$60.27 million07/18/2025$2.93$2.86-2.39%$2.95$2.72601,876 shs$58.83 million Related Companies Wolfspeed Stock Chart Valens Semiconductor Stock Chart Ceragon Networks Stock Chart LightPath Technologies Stock Chart Vuzix Stock Chart Intchains Group Stock Chart EVERSPIN TECH Stock Chart Nano Labs Stock Chart Rekor Systems Stock Chart ESPEY MFG & ELECTRONICS Stock Chart Receive AMPG Stock News and Ratings via EmailSign-up to receive the latest news and ratings for AmpliTech Group and its competitors with MarketBeat's FREE daily newsletter. 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