ClearSign Technologies (CLIR) Stock Chart & Stock Price History $0.58 +0.05 (+9.63%) Closing price 01:24 PM EasternExtended Trading$0.58 -0.01 (-0.86%) As of 04:17 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 TradesOptions ChainOwnershipSEC FilingsShort InterestTrendsBuy This Stock ClearSign Technologies Stock Price Performance The ClearSign Technologies (CLIR) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 33.73%, with a year-to-date return of -59.51%. In the past month, the stock has decreased 7.74%, reflecting recent market activity. As of the latest close, ClearSign Technologies traded at $0.53 with a market cap of $27.88 million and volume of 22,208 shares. Five years ago, the stock traded at $2.20, representing a 73.50% decrease over that period. At the time, it had a market cap of $55.56 million and a volume of 912,400 shares. Receive CLIR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ClearSign Technologies and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+4.14%1 Month Performance-7.74%3 Month Performance-4.89%Year-To-Date Performance-59.51%1 Year Performance-33.73%5 Year Performance-73.50% CLIR Stock Chart for Thursday, July, 3, 2025 CLIR Chart by TradingView ClearSign 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 Capitalization07/03/2025$0.53$0.58+9.63%$0.60$0.5356,582 shs$30.56 million07/02/2025$0.54$0.53-1.52%$0.54$0.5222,208 shs$27.88 million07/01/2025$0.56$0.54-3.55%$0.57$0.51113,656 shs$28.31 million06/30/2025$0.56$0.56+0.02%$0.58$0.5223,453 shs$29.35 million06/27/2025$0.57$0.56-1.79%$0.59$0.5237,236 shs$29.35 million06/26/2025$0.56$0.57+1.35%$0.60$0.5331,449 shs$29.88 million06/25/2025$0.60$0.56-5.86%$0.61$0.5525,286 shs$29.48 million06/24/2025$0.58$0.60+3.57%$0.60$0.5521,377 shs$31.32 million06/23/2025$0.62$0.58-7.03%$0.63$0.53165,190 shs$30.24 million06/20/2025$0.61$0.62+1.92%$0.64$0.6038,313 shs$32.52 million Get the Latest News and Ratings for CLIR and Related StocksEnter your email address below to receive the latest news and analysts' ratings for ClearSign Technologies and its competitors with MarketBeat's FREE daily newsletter. 06/19/2025$0.61$0.61$0.64$0.5743,160 shs$31.91 million06/18/2025$0.62$0.61-1.47%$0.64$0.5743,160 shs$31.91 million06/17/2025$0.61$0.62+1.28%$0.64$0.6033,980 shs$32.39 million06/16/2025$0.60$0.61+1.65%$0.63$0.6113,204 shs$31.98 million06/13/2025$0.60$0.60-0.07%$0.62$0.6019,682 shs$31.46 million06/12/2025$0.61$0.60-0.87%$0.64$0.6030,471 shs$31.48 million06/11/2025$0.62$0.61-1.97%$0.66$0.6064,693 shs$31.76 million06/10/2025$0.62$0.62+0.23%$0.65$0.5830,325 shs$32.40 million06/09/2025$0.66$0.62-6.58%$0.67$0.5576,716 shs$32.32 million06/06/2025$0.65$0.66+1.66%$0.68$0.6145,757 shs$34.60 million06/05/2025$0.61$0.65+6.43%$0.67$0.6144,513 shs$34.03 million06/04/2025$0.63$0.61-3.47%$0.65$0.6055,961 shs$31.98 million06/03/2025$0.67$0.63-5.69%$0.70$0.6330,909 shs$33.13 million06/02/2025$0.67$0.67+0.15%$0.70$0.5969,654 shs$35.12 million Related Companies PRE Stock Chart NAUT Stock Chart INTT Stock Chart ODYS Stock Chart OPXS Stock Chart AKYA Stock Chart OMIC Stock Chart OPTX Stock Chart AATC Stock Chart DAIO Stock Chart Receive CLIR Stock News and Ratings via EmailSign-up to receive the latest news and ratings for ClearSign Technologies and its competitors with MarketBeat's FREE daily newsletter. 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