Hyliion (HYLN) Stock Chart & Stock Price History $1.76 +0.18 (+11.39%) Closing price 04:00 PM EasternExtended Trading$1.74 -0.02 (-1.08%) As of 07:58 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 ForecastsChartCompetitorsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock Hyliion Stock Price Performance The Hyliion (HYLN) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 9.74%, with a year-to-date return of -32.57%. In the past month, the stock has increased 6.02%, reflecting recent market activity. As of the latest close, Hyliion traded at $1.58 with a market cap of $276.22 million and volume of 1.76 million shares. 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Email Address 5 Day Performance+6.67%1 Month Performance+6.02%3 Month Performance+54.39%Year-To-Date Performance-32.57%1 Year Performance-9.74% HYLN Stock Chart for Friday, August, 22, 2025 HYLN Chart by TradingView Hyliion 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 Capitalization08/22/2025$1.58$1.76+11.39%$1.80$1.652.25 million shs$307.68 million08/21/2025$1.53$1.58+3.27%$1.63$1.491.76 million shs$276.22 million08/20/2025$1.57$1.53-2.55%$1.57$1.47979,049 shs$267.48 million08/19/2025$1.65$1.57-4.85%$1.65$1.55876,522 shs$274.47 million08/18/2025$1.65$1.65$1.68$1.59854,213 shs$288.45 million08/15/2025$1.69$1.65-2.37%$1.71$1.611.27 million shs$288.45 million08/14/2025$1.66$1.69+1.81%$1.69$1.571.26 million shs$295.45 million08/13/2025$1.69$1.66-1.78%$1.66$1.471.72 million shs$290.20 million08/12/2025$1.57$1.69+7.64%$1.69$1.541.22 million shs$295.45 million08/11/2025$1.53$1.57+2.61%$1.58$1.53565,717 shs$274.47 million Get the Latest News and Ratings for HYLN and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Hyliion and its competitors with MarketBeat's FREE daily newsletter. 08/08/2025$1.49$1.53+2.68%$1.56$1.48727,087 shs$267.48 million08/07/2025$1.51$1.49-1.32%$1.54$1.47824,218 shs$260.48 million08/06/2025$1.53$1.51-1.31%$1.54$1.47731,708 shs$263.98 million08/05/2025$1.49$1.53+2.68%$1.58$1.49664,359 shs$267.48 million08/04/2025$1.40$1.49+6.43%$1.58$1.43805,953 shs$260.48 million08/01/2025$1.50$1.40-6.67%$1.51$1.401.09 million shs$244.75 million07/31/2025$1.55$1.50-3.23%$1.60$1.49866,306 shs$262.23 million07/30/2025$1.54$1.55+0.65%$1.60$1.531.07 million shs$270.97 million07/29/2025$1.63$1.54-5.52%$1.64$1.54725,262 shs$269.22 million07/28/2025$1.70$1.63-4.12%$1.73$1.63625,487 shs$284.96 million07/25/2025$1.75$1.70-2.86%$1.75$1.66712,741 shs$297.19 million07/24/2025$1.81$1.75-3.31%$1.85$1.75748,454 shs$305.94 million07/23/2025$1.66$1.81+9.04%$1.84$1.701.58 million shs$316.42 million07/22/2025$1.58$1.66+5.06%$1.68$1.54773,352 shs$290.20 million07/21/2025$1.66$1.58-4.82%$1.70$1.57933,322 shs$276.22 million Related Companies Aeva Technologies Stock Price Chart ADS-TEC Energy Stock Price Chart Serve Robotics Stock Price Chart Cooper-Standard Stock Price Chart Holley Stock Price Chart Niu Technologies Stock Price Chart Innoviz Technologies Stock Price Chart Strattec Security Stock Price Chart NWTN Stock Price Chart ChargePoint Stock Price Chart Receive HYLN Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Hyliion and its competitors with MarketBeat's FREE daily newsletter. 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