Summer Energy (SUME) Stock Chart & Stock Price History $0.65 +0.10 (+18.18%) As of 08/12/2025 02:07 PM Eastern Add Compare Share Share Chart Stock AnalysisChartHeadlinesSEC FilingsShort InterestBuy This Stock Summer Energy Stock Price Performance The Summer Energy (SUME) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has increased 44.41%, with a year-to-date return of -22.62%. In the past month, the stock has decreased 22.62%, reflecting recent market activity. As of the latest close, Summer Energy traded at $0.65 with a market cap of $24.22 million and volume of 1,900 shares. Five years ago, the stock traded at $1.35, representing a 51.85% decrease over that period. At the time, it had a market cap of $42.88 million and a volume of 0 shares. Receive SUME Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Summer Energy and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+27.43%1 Month Performance-22.62%3 Month Performance-27.98%Year-To-Date PerformanceN/A1 Year Performance+44.41%5 Year PerformanceN/A SUME Stock Chart for Wednesday, August, 13, 2025 SUME Chart by TradingView Summer 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 Capitalization08/12/2025$0.55$0.65+18.18%$0.65$0.641,900 shs$24.22 million08/11/2025$0.51$0.55+7.82%$0.57$0.551,420 shs$20.49 million08/08/2025$0.47$0.51+7.48%$0.90$0.51700 shs$19.01 million08/07/2025$0.50$0.47-5.08%$0.47$0.47150 shs$17.68 million08/06/2025$0.50$0.50$0.56$0.501,400 shs$18.63 million08/05/2025$0.98$0.50-48.85%$0.51$0.493,180 shs$18.63 million08/04/2025$0.51$0.98+91.67%$0.98$0.98249 shs$19.00 million08/01/2025$0.51$0.51$0.51$0.51100 shs$19.00 million07/31/2025$0.56$0.51-9.25%$0.51$0.51100 shs$19.00 million07/30/2025$0.98$0.56-42.51%$0.56$0.56271 shs$20.94 million Get the Latest News and Ratings for SUME and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Summer Energy and its competitors with MarketBeat's FREE daily newsletter. 07/29/2025$0.98$0.98-0.04%$0.98$0.98100 shs$36.42 million07/24/2025$0.98$0.98$0.98$0.98100 shs$36.44 million07/23/2025$0.80$0.98+22.24%$0.98$0.98100 shs$36.44 million07/18/2025$0.80$0.80$0.80$0.8011 shs$29.81 million07/17/2025$0.80$0.80$0.80$0.8011 shs$29.81 million07/16/2025$0.80$0.80$0.80$0.374,055 shs$29.81 million07/15/2025$0.84$0.80-4.76%$0.80$0.374,055 shs$29.81 million Related Companies SolarBank Stock Chart Eco Wave Power Global AB (publ) Stock Chart Vivopower International Stock Chart Spruce Power Stock Chart Clean Energy Technologies Stock Chart Crown LNG Stock Chart Alternus Clean Energy Stock Chart Eurosite Power Stock Chart Aqua Power Systems Stock Chart Principal Solar Stock Chart Receive SUME Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Summer Energy and its competitors with MarketBeat's FREE daily newsletter. 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