Amprius Technologies (AMPX) Stock Chart & Stock Price History $8.69 +0.63 (+7.82%) Closing price 07/18/2025 03:59 PM EasternExtended Trading$8.85 +0.16 (+1.78%) As of 07/18/2025 08:00 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 Amprius Technologies Stock Price Performance The Amprius Technologies (AMPX) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 578.91%, with a year-to-date return of 210.36%. In the past month, the stock has increased 129.59%, reflecting recent market activity. As of the latest close, Amprius Technologies traded at $8.69 with a market cap of $1.02 billion and volume of 19.87 million shares. Receive AMPX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Amprius Technologies and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+28.84%1 Month Performance+129.59%3 Month Performance+305.13%Year-To-Date Performance+210.36%1 Year Performance+578.91% AMPX Stock Chart for Saturday, July, 19, 2025 AMPX Chart by TradingView Amprius Technologies 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 Capitalization07/18/2025$8.06$8.69+7.84%$9.00$8.0119.87 million shs$1.02 billion07/17/2025$7.49$8.06+7.54%$8.12$7.2114.40 million shs$950.26 million07/16/2025$7.49$7.49+0.11%$7.80$7.2212.06 million shs$883.65 million07/15/2025$6.75$7.49+10.97%$7.77$7.2916.82 million shs$882.68 million07/14/2025$6.46$6.75+4.41%$6.75$6.237.96 million shs$795.42 million07/11/2025$6.53$6.46-1.13%$6.50$5.8810.40 million shs$761.83 million07/10/2025$6.00$6.53+8.90%$6.96$6.3117.19 million shs$770.56 million07/09/2025$5.57$6.00+7.72%$6.10$5.3915.87 million shs$707.58 million07/08/2025$4.96$5.57+12.30%$5.60$4.9615.93 million shs$656.87 million07/07/2025$4.67$4.96+6.21%$4.98$4.498.89 million shs$584.92 million Get the Latest News and Ratings for AMPX and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Amprius Technologies and its competitors with MarketBeat's FREE daily newsletter. 07/04/2025$4.67$4.67$4.83$4.375.67 million shs$550.72 million07/03/2025$4.38$4.67+6.62%$4.83$4.375.67 million shs$550.73 million07/02/2025$3.92$4.38+11.73%$4.39$3.926.32 million shs$516.53 million07/01/2025$4.24$3.92-7.55%$4.23$3.805.70 million shs$462.29 million06/30/2025$4.05$4.24+4.82%$4.34$4.054.34 million shs$500.02 million06/27/2025$4.27$4.05-5.27%$4.35$4.0015.82 million shs$477.03 million06/26/2025$3.80$4.27+12.37%$4.30$3.769.66 million shs$503.56 million06/25/2025$3.81$3.80-0.13%$3.93$3.643.43 million shs$448.13 million06/24/2025$3.46$3.81+9.97%$3.83$3.573.95 million shs$448.72 million06/23/2025$3.86$3.46-10.25%$3.77$3.434.79 million shs$408.04 million06/20/2025$3.79$3.86+1.85%$3.90$3.435.71 million shs$454.62 million06/19/2025$3.79$3.79$3.92$3.723.37 million shs$444.59 million06/18/2025$3.78$3.79+0.24%$3.92$3.723.37 million shs$446.37 million Related Companies PLUG Stock Price Chart ENR Stock Price Chart FLNC Stock Price Chart EOSE Stock Price Chart MVST Stock Price Chart BYRN Stock Price Chart NPWR Stock Price Chart BLDP Stock Price Chart SLDP Stock Price Chart RONI Stock Price Chart Receive AMPX Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Amprius Technologies and its competitors with MarketBeat's FREE daily newsletter. 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