Acorn Energy (ACFN) Stock Chart & Stock Price History $27.50 +0.79 (+2.96%) As of 09:45 AM Eastern Add Compare Share Share Chart Stock AnalysisChartEarningsHeadlinesSEC FilingsShort InterestBuy This Stock Acorn Energy Stock Price Performance The Acorn Energy (ACFN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 152.29%, with a year-to-date return of 53.72%. In the past month, the stock has decreased 8.76%, reflecting recent market activity. As of the latest close, Acorn Energy traded at $26.71 with a market cap of $66.80 million and volume of 3,508 shares. Five years ago, the stock traded at a split-adjusted price of $5.12, representing a 437.11% increase over that period. At the time, it had a market cap of $12.74 million and a volume of 1,078 shares. 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Read our full terms of service and privacy policy. 5 Day Performance-6.08%1 Month Performance-8.76%3 Month Performance+72.09%Year-To-Date Performance+53.72%1 Year Performance+152.29%5 Year Performance+437.11% ACFN Stock Chart for Friday, October, 10, 2025 ACFN Chart by TradingView Acorn Energy 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 Capitalization10/09/2025$27.34$26.71-2.30%$27.22$26.653,508 shs$66.80 million10/08/2025$26.81$27.34+1.98%$27.71$26.5010,281 shs$68.38 million10/07/2025$27.64$26.81-3.00%$27.86$26.5019,110 shs$67.05 million10/06/2025$29.28$27.64-5.60%$29.55$27.0018,332 shs$69.13 million10/03/2025$28.30$29.28+3.46%$29.93$28.5515,002 shs$73.23 million10/02/2025$28.07$28.30+0.82%$28.56$27.915,954 shs$70.78 million10/01/2025$28.60$28.07-1.85%$29.00$27.509,186 shs$70.20 million09/30/2025$28.30$28.60+1.06%$29.12$27.5016,016 shs$71.53 million09/29/2025$28.55$28.30-0.88%$30.10$28.3016,817 shs$70.78 million09/26/2025$28.56$28.55-0.04%$29.51$27.6315,241 shs$71.40 million Get the Latest News and Ratings for ACFN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Acorn Energy and its competitors with MarketBeat's FREE daily newsletter. 09/25/2025$28.51$28.56+0.18%$29.98$28.568,009 shs$71.43 million09/24/2025$29.51$28.51-3.39%$30.01$28.1217,038 shs$71.30 million09/23/2025$30.58$29.51-3.50%$31.12$28.0122,188 shs$73.81 million09/22/2025$28.80$30.58+6.18%$31.88$28.5941,824 shs$76.48 million09/19/2025$28.88$28.80-0.28%$31.47$28.0379,144 shs$72.03 million09/18/2025$29.29$28.88-1.40%$31.16$28.8814,996 shs$72.23 million09/17/2025$28.75$29.29+1.88%$30.19$28.5018,841 shs$73.25 million09/16/2025$30.09$28.75-4.45%$30.09$28.0110,776 shs$71.90 million09/15/2025$29.76$30.09+1.11%$30.55$29.3319,850 shs$75.26 million09/12/2025$30.40$29.76-2.11%$30.96$29.5014,070 shs$74.43 million09/11/2025$30.14$30.40+0.86%$31.50$29.7114,942 shs$76.03 million09/10/2025$29.20$30.14+3.22%$30.50$28.3911,083 shs$75.38 million09/09/2025$30.58$29.20-4.51%$31.94$28.5330,724 shs$73.03 million Related Companies Team Stock Price Chart Waste Management Stock Price Chart Republic Services Stock Price Chart Rollins Stock Price Chart Clean Harbors Stock Price Chart Tetra Tech Stock Price Chart Casella Waste Systems Stock Price Chart ABM Industries Stock Price Chart Electrovaya Stock Price Chart NOVONIX Stock Price Chart Receive ACFN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Acorn Energy and its competitors with MarketBeat's FREE daily newsletter. 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