ClearSign Technologies Corporation (CLIR:NASDAQ) closed at $2.36 on November 6, 2026, up 2.61% on the day. The stock trades 75.9% below its 52-week high of $9.80 and 11.3% above its 52-week low of $2.12. Over the past year, it lost 74.6%. ClearSign Technologies Corporation is part of the Capital Goods sector (Industrial Machinery/Components).
In 252 trading sessions since November 6, 2025, CLIR closed higher on 92 days (37%). Its best day was April 6, 2026 (+43.69%) and its worst was March 11, 2026 (-21.05%). The stock moved 10% or more in a single session 15 times. It opened at least 5% above the previous day's high 3 times.
ClearSign Combustion Corporation designs and develops technologies to enhance emission and operational performance, energy efficiency, and overall cost-effectiveness of combustion systems the United States. Its Duplex and Electrodynamic Combustion Control platform technologies enhance the performance of combustion systems in a range of markets, including energy, commercial/industrial boiler, chemical, petrochemical, and power industries. ClearSign Combustion Corporation was founded in 2008 and is headquartered in Seattle, Washington.
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Based on end-of-day data. For information only, not investment advice.