ClearSign Technologies (CLIR) Stock Chart & Stock Price History $0.56 -0.02 (-2.95%) Closing price 08/1/2025 03:32 PM EasternExtended Trading$0.55 -0.01 (-1.61%) As of 08/1/2025 04:23 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 26.32%, with a year-to-date return of -61.11%. In the past month, the stock has increased 5.30%, reflecting recent market activity. As of the latest close, ClearSign Technologies traded at $0.56 with a market cap of $29.36 million and volume of 45,097 shares. Five years ago, the stock traded at $2.26, representing a 75.22% decrease over that period. At the time, it had a market cap of $58.79 million and a volume of 142,714 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-11.11%1 Month Performance+5.30%3 Month Performance-5.41%Year-To-Date Performance-61.11%1 Year Performance-26.32%5 Year Performance-75.22% CLIR Stock Chart for Saturday, August, 2, 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 Capitalization08/01/2025$0.58$0.56-2.95%$0.58$0.5445,097 shs$29.36 million07/31/2025$0.57$0.58+1.75%$0.60$0.5713,530 shs$30.25 million07/30/2025$0.60$0.57-4.71%$0.63$0.5765,041 shs$29.73 million07/29/2025$0.63$0.60-5.54%$0.65$0.6054,542 shs$31.20 million07/28/2025$0.60$0.63+5.78%$0.65$0.61204,371 shs$33.03 million07/25/2025$0.59$0.60+1.74%$0.62$0.5795,171 shs$31.23 million07/24/2025$0.58$0.59+1.54%$0.60$0.5772,691 shs$30.69 million07/23/2025$0.60$0.58-3.11%$0.62$0.5795,994 shs$30.23 million07/22/2025$0.60$0.60-0.50%$0.63$0.57132,326 shs$31.19 million07/21/2025$0.58$0.60+3.03%$0.61$0.5782,838 shs$31.35 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. 07/18/2025$0.54$0.58+7.48%$0.63$0.57148,403 shs$30.43 million07/17/2025$0.50$0.54+8.00%$0.57$0.49132,937 shs$28.31 million07/16/2025$0.53$0.50-4.76%$0.54$0.4967,457 shs$26.21 million07/15/2025$0.53$0.53-0.98%$0.55$0.5325,204 shs$27.52 million07/14/2025$0.54$0.53-1.81%$0.56$0.5336,063 shs$27.79 million07/11/2025$0.55$0.54-1.82%$0.56$0.5348,707 shs$28.31 million07/10/2025$0.55$0.55-0.83%$0.58$0.5351,561 shs$28.83 million07/09/2025$0.54$0.55+3.41%$0.58$0.50154,071 shs$29.07 million07/08/2025$0.54$0.54-0.15%$0.56$0.5439,085 shs$28.11 million07/07/2025$0.58$0.54-7.87%$0.58$0.50131,778 shs$28.16 million07/04/2025$0.58$0.58$0.60$0.5356,582 shs$30.56 million07/03/2025$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 million Related Companies OWLT Stock Chart PRE Stock Chart NAUT Stock Chart INTT Stock Chart OPXS Stock Chart ODYS Stock Chart OPTX Stock Chart AKYA 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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